Deployed in business buildings and campus microgrids, direct present (DC) power supply products minimizes the amount of necessary conversions involving alternating latest (AC) and DC energy, thereby escalating the overall setting up power efficiency. Considering that solar photovoltaic and wind electrical power are natively DC, the advantages of DC power systems grow to be specifically clear when thinking of the integration of renewable vitality generation. Click to tweet: According to a recent report from Navigant Analysis, DC power supply tools for industrial buildings will expand from $320 million in annual income in 2013 to in excess of $2.eight billion in 2020.
!§Commercial buildings are increasingly employing substitute tactics to draw significantly less vitality from the grid, both via efficiency gains from fewer AC/DC conversions, or through reducing the will need for inverters by using renewable or fuel cell power sources,!‥ says Noah Goldstein, study director with Navigant Investigate. !§DC-based techniques enable steady, large high quality power distribution to important companies in buildings which include protection, lighting, and environmental manage systems.!‥
When power provide tools forms a essential element of DC power methods, they are really not the sole 1. The market for DC setting up controls and performance, this kind of as powered and biometric door locks, safety cameras and sensors, networking units such as wireless entry points, and actuators and controls for heating, ventilation, and air conditioning, will probably be even more substantial, according towards the report, reaching $5 billion in annual revenue by 2020.
The report, !§DC Energy for Industrial Buildings!‥, analyzes the global market opportunity for DC electrical power technologies in business buildings. Five technologies classes are covered: DC building energy provide equipment, DC making controls and performance, DC lighting, DC plug loads, and DC constructing microgrid infrastructure. The report provides a detailed assessment in the demand drivers and barriers, trends, and technology issues associated with throughout the world DC energy systems. Global market place forecasts, segmented by engineering, area, and industrial developing form, extend via 2020. The research also examines the specifications and regulations related to DC electrical power distribution techniques, and delivers in-depth profiles of vital business players. An Executive Summary with the report is obtainable free of charge download within the Navigant Analysis web page.
2014年5月24日 星期六
2014年5月23日 星期五
Oscilloscope
If there's one particular course that each engineer ought to take it is actually Tom Dagostino!|s Fundamentals of Digital Oscilloscope Usage program. Not simply does this course touch to the fundamental distinctions concerning analog and digital oscilloscopes, it explains in much less than one hour virtually every thing you should learn about the principle attributes of digital oscilloscopes. And since it is pre-recorded and obtainable on line, you can view it from your desk at your leisure.
Tom is surely an electrical engineer with virtually 40 many years of acquired skills in lots of areas together with signal integrity and evaluation, EDA, board layout and circuit design and style. He is at present VP of device modeling at Teraspeed Consulting Group and is also a standard presenter and active community member of DesignCon. On this course, Tom does a fantastic career of describing complex digital oscilloscope characteristics in simplistic terms. He walks by way of real-world application examples employing an Agilent MSOX4154A X-Series Oscilloscope to show signals created from a DVD player in his lab.
Although the fundamental performance of each analog and digital oscilloscopes is always to measure and display voltage against time to get a certain input signal, digital scopes have come a long way from your traditional analog versions everyone knows and enjoy. Analog scopes just display signals, whereas a digital one particular digitizes the signal employing distinct acquisition and triggering modes. Digital scopes give increasingly innovative abilities and capabilities that make them exponentially more potent than an analog one particular.
Though these new options may possibly seem to be intimidating in the beginning, this program can help you find your comfort zone employing a digital oscilloscope because it explains the basics about analog-to-digital conversion, sampling procedures for instance peak detection, averaging and substantial resolution, and the way to properly use triggering. Actually, do you know that triggering is actually a crucial differentiator among analog and digital oscilloscopes? In an analog scope, the trigger is applied to start out the display, but within a digital scope, the trigger stops the acquisition. This may be specially practical to present what caused an event as opposed to what happened mainly because of an event.
I identified the troubleshooting a part of the program probably the most intriguing. For instance, I learned how the scope!|s display and triggering capabilities can be used to discover hidden issues in a serial data stream also as hard-to-find timing problems, such as intermittent failures.
Irrespective of whether you will be an engineer debugging new designs or fixing assembly concerns through manufacturing test, I am sure that you will uncover this program insightful and practical. Thanks to Tom for sharing his tricks in the trade with us. I invite you to take the program on your own and share your ideas with me.
Tom is surely an electrical engineer with virtually 40 many years of acquired skills in lots of areas together with signal integrity and evaluation, EDA, board layout and circuit design and style. He is at present VP of device modeling at Teraspeed Consulting Group and is also a standard presenter and active community member of DesignCon. On this course, Tom does a fantastic career of describing complex digital oscilloscope characteristics in simplistic terms. He walks by way of real-world application examples employing an Agilent MSOX4154A X-Series Oscilloscope to show signals created from a DVD player in his lab.
Although the fundamental performance of each analog and digital oscilloscopes is always to measure and display voltage against time to get a certain input signal, digital scopes have come a long way from your traditional analog versions everyone knows and enjoy. Analog scopes just display signals, whereas a digital one particular digitizes the signal employing distinct acquisition and triggering modes. Digital scopes give increasingly innovative abilities and capabilities that make them exponentially more potent than an analog one particular.
Though these new options may possibly seem to be intimidating in the beginning, this program can help you find your comfort zone employing a digital oscilloscope because it explains the basics about analog-to-digital conversion, sampling procedures for instance peak detection, averaging and substantial resolution, and the way to properly use triggering. Actually, do you know that triggering is actually a crucial differentiator among analog and digital oscilloscopes? In an analog scope, the trigger is applied to start out the display, but within a digital scope, the trigger stops the acquisition. This may be specially practical to present what caused an event as opposed to what happened mainly because of an event.
I identified the troubleshooting a part of the program probably the most intriguing. For instance, I learned how the scope!|s display and triggering capabilities can be used to discover hidden issues in a serial data stream also as hard-to-find timing problems, such as intermittent failures.
Irrespective of whether you will be an engineer debugging new designs or fixing assembly concerns through manufacturing test, I am sure that you will uncover this program insightful and practical. Thanks to Tom for sharing his tricks in the trade with us. I invite you to take the program on your own and share your ideas with me.
power supply
International revenue for digital power supplies is forecast to method $3.3 billion in 2014 and after that climb to $11.8 billion in 2018, according to !§The Planet Marketplace for Digital Energy - 2014.!‥ Meanwhile, international revenue for digital power ICs will top $605 million in 2014, then attain $3.1 billion by 2018.
!§The market place for digital energy options is previously well-established from the server and telecommunication markets,!‥ explained Jonathon Eykyn, energy provide and storage element analyst for IHS. !§However, IHS is now beginning to see increasing adoption across a substantially broader variety of items and applications, which can be driving fast growth.!‥
Digital electrical power features buyers numerous positive aspects above common analog electrical power, Eykyn mentioned, which include the reduction of the all round bill-of-materials expense. This can be performed by consolidating the quantity of discrete components, decreasing the carbon footprint, raising energy density, supplying the ability to keep track of and optimize power levels and process specifications when in operation, and speeding time for you to market place for merchandise.
For the very first time, IHS has compiled industry share rankings for firms operating within the digital energy provide and digital electrical power IC markets, that are integrated while in the report as well.
Delta Electronics held the largest share from the 2013 digital energy provide market place, with an estimated ten.3% of total marketplace income. It had been followed by Eltek and Emerson with 9.1% and 8.8% marketplace share, respectively.
In the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came subsequent, garnering 9.6% and eight.9% marketplace share, respectively.
!§Both the digital energy provide and digital power IC markets stay reasonably fragmented, without any suppliers having a dominant place,!‥ mentioned Eykyn. !§This signifies that competitors and innovation remain large as firms seek to win important clients.!‥
The report involves examination of the opportunities for AC-DC, DC-DC and DC-AC power supplies, at the same time as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by way of 2018.
!§The market place for digital energy options is previously well-established from the server and telecommunication markets,!‥ explained Jonathon Eykyn, energy provide and storage element analyst for IHS. !§However, IHS is now beginning to see increasing adoption across a substantially broader variety of items and applications, which can be driving fast growth.!‥
Digital electrical power features buyers numerous positive aspects above common analog electrical power, Eykyn mentioned, which include the reduction of the all round bill-of-materials expense. This can be performed by consolidating the quantity of discrete components, decreasing the carbon footprint, raising energy density, supplying the ability to keep track of and optimize power levels and process specifications when in operation, and speeding time for you to market place for merchandise.
For the very first time, IHS has compiled industry share rankings for firms operating within the digital energy provide and digital electrical power IC markets, that are integrated while in the report as well.
Delta Electronics held the largest share from the 2013 digital energy provide market place, with an estimated ten.3% of total marketplace income. It had been followed by Eltek and Emerson with 9.1% and 8.8% marketplace share, respectively.
In the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came subsequent, garnering 9.6% and eight.9% marketplace share, respectively.
!§Both the digital energy provide and digital power IC markets stay reasonably fragmented, without any suppliers having a dominant place,!‥ mentioned Eykyn. !§This signifies that competitors and innovation remain large as firms seek to win important clients.!‥
The report involves examination of the opportunities for AC-DC, DC-DC and DC-AC power supplies, at the same time as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by way of 2018.
2014年5月18日 星期日
UofT and Sendyne to supply gradual power supply form for cell phone products
A joint collaboration involving the University of Toronto and Sendyne Corp., Ny, has yielded a whole new circuit that permits a smaller, lighter battery and power subsystem for tablet PCs and also other moveable devices.
The volume occupied from the power supply circuit continues to be a limiting factor for miniaturization of your electronics in mobile units. Latest power supply types occupy anywhere among 20% and 80% of your volume of such devices, based upon the application. A significant portion of this volume is determined by the size of inductors and capacitors used in this kind of power supply circuits.
To get presented in the IEEE Utilized Power Electronics Conference (APEC) and Exhibition in Fort Really worth TX on Thursday, March 20th, the circuit addresses these problems. This topology consumes much less power than would usually be expected to preserve stable dc bus voltage output on the battery subsystem in transportable products, and achieves a 9X reduction in size and cost of your output capacitor. Since the trend in new gadget layout is always to make use of dual cell batteries for optimization of energy delivery and cell existence, the new architecture also offers for low-cost, lossless balancing of your batteries in dual cell systems. Experimental results obtained from an 8-12V, 20W, 250KHz prototype demonstrate a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Based Integrated Battery Management Program for Minimal Power Applications.!‥ Main the project group is Professor Aleksandar Prodic, from your Electrical and Computer system Engineering (ECE) Department of the University of Toronto. He's the founder in the Laboratory for Electrical power Management and Integrated SMPS, the place the improvement is taking place. Dr. Prodic, a recipient of a number of IEEE awards and distinctions, is surely an skilled in electrical power method layout.
The volume occupied from the power supply circuit continues to be a limiting factor for miniaturization of your electronics in mobile units. Latest power supply types occupy anywhere among 20% and 80% of your volume of such devices, based upon the application. A significant portion of this volume is determined by the size of inductors and capacitors used in this kind of power supply circuits.
To get presented in the IEEE Utilized Power Electronics Conference (APEC) and Exhibition in Fort Really worth TX on Thursday, March 20th, the circuit addresses these problems. This topology consumes much less power than would usually be expected to preserve stable dc bus voltage output on the battery subsystem in transportable products, and achieves a 9X reduction in size and cost of your output capacitor. Since the trend in new gadget layout is always to make use of dual cell batteries for optimization of energy delivery and cell existence, the new architecture also offers for low-cost, lossless balancing of your batteries in dual cell systems. Experimental results obtained from an 8-12V, 20W, 250KHz prototype demonstrate a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Based Integrated Battery Management Program for Minimal Power Applications.!‥ Main the project group is Professor Aleksandar Prodic, from your Electrical and Computer system Engineering (ECE) Department of the University of Toronto. He's the founder in the Laboratory for Electrical power Management and Integrated SMPS, the place the improvement is taking place. Dr. Prodic, a recipient of a number of IEEE awards and distinctions, is surely an skilled in electrical power method layout.
2014年5月17日 星期六
A conventional previous of oscilloscope development in Vilnius
Through the Soviet era that ended in 1991, trade between the Soviet Union along with the outdoors planet was largely blocked. Some check equipment managed to acquire in or out but by and huge, the Soviet Union created and produced its own oscilloscopes. The center of oscilloscope layout and manufacturing was, for a lot of years, in Vilnius, now the capital of Lithuania. As a result of the following photos, we have assembled a background of oscilloscopes developing and manufactured in Vilnius, both throughout and just after the Soviet era.
In advance of WWII: Poland
The very first electronics company in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The 1st Elektrit factory was developed in 1934 on Shepticky Street during the Naujamiestis district. Ahead of WWII, this was the biggest factory in Vilnius, creating and producing radio receivers for civil use. It occupied ten,000m2 and had its personal electrical power station, 6 assembly lines, and 1100 engineers and workers. The plant created 54,000 radio receivers annually at a complete price of USD 1.two million.
Elektrit was nationalized in 1939, at the starting of WWII and its equipment dismantled and transported to Minsk where a further factory was later on established. Facts in regards to the background of Elektrit is obtainable in [1]. Even now, these pre-war factory buildings are in pretty excellent affliction, but are used for other functions. The key creating in the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from the surrounding buildings.
The factory was restored at the end of the WWII when Vilnius grew to become a part of the USSR and the capital of Soviet Lithuania. It had been turned right into a plant for the Soviet Union!|s aviation business. The factory was named 555, which individuals known as The Fives, and for 5 decades it was the flagship of Lithuania!|s high-tech business. The many other Lithuanian electronic corporations (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) had been founded afterwards using the help of specialists through the 555 firm.
In March 1949, a whole new Experimental Layout Bureau was produced in the 555 factory. The oscilloscope business enterprise became considered one of its major routines. In 1948, the plant's professionals designed the industry's initially oscilloscope, the C1-1, with a bandwidth of 250 kHz . 1 year later on, the plant produced a five MHz oscilloscope, the C1 two, formulated by Moscow Exploration No. 17. The first oscilloscope designed from the Experimental Design Bureau was the C1-4 in 1954. In the same time the plant developed 1000s of exclusive OK- oscilloscopes that have been used in nuclear tests.
In 1960 the 555 factory and Analysis Institute presently existed. They developed and produced such goods as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic medical gear. The two firms have been owned through the military-industrial complex, but military applications accounted for only 25% of production. Within the 1980s the organizations employed 7000 folks in total. The turnover exceeded USD 250 million, while USD 80 million was created from oscilloscope production. The principle technical professionals have been graduates of the nation!|s most effective technical universities.
In advance of WWII: Poland
The very first electronics company in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The 1st Elektrit factory was developed in 1934 on Shepticky Street during the Naujamiestis district. Ahead of WWII, this was the biggest factory in Vilnius, creating and producing radio receivers for civil use. It occupied ten,000m2 and had its personal electrical power station, 6 assembly lines, and 1100 engineers and workers. The plant created 54,000 radio receivers annually at a complete price of USD 1.two million.
Elektrit was nationalized in 1939, at the starting of WWII and its equipment dismantled and transported to Minsk where a further factory was later on established. Facts in regards to the background of Elektrit is obtainable in [1]. Even now, these pre-war factory buildings are in pretty excellent affliction, but are used for other functions. The key creating in the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from the surrounding buildings.
The factory was restored at the end of the WWII when Vilnius grew to become a part of the USSR and the capital of Soviet Lithuania. It had been turned right into a plant for the Soviet Union!|s aviation business. The factory was named 555, which individuals known as The Fives, and for 5 decades it was the flagship of Lithuania!|s high-tech business. The many other Lithuanian electronic corporations (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) had been founded afterwards using the help of specialists through the 555 firm.
In March 1949, a whole new Experimental Layout Bureau was produced in the 555 factory. The oscilloscope business enterprise became considered one of its major routines. In 1948, the plant's professionals designed the industry's initially oscilloscope, the C1-1, with a bandwidth of 250 kHz . 1 year later on, the plant produced a five MHz oscilloscope, the C1 two, formulated by Moscow Exploration No. 17. The first oscilloscope designed from the Experimental Design Bureau was the C1-4 in 1954. In the same time the plant developed 1000s of exclusive OK- oscilloscopes that have been used in nuclear tests.
In 1960 the 555 factory and Analysis Institute presently existed. They developed and produced such goods as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic medical gear. The two firms have been owned through the military-industrial complex, but military applications accounted for only 25% of production. Within the 1980s the organizations employed 7000 folks in total. The turnover exceeded USD 250 million, while USD 80 million was created from oscilloscope production. The principle technical professionals have been graduates of the nation!|s most effective technical universities.
2014年5月16日 星期五
DC power producing it achievable for replenishable development
Public electric utilities supply alternating recent (AC) energy solely, even though electronics, LED lighting, and sure other common devices operate on direct present (DC) power. These gadgets need to convert power from AC to DC and phase down voltage to needed amounts. Regrettably, the conversion from AC to DC is usually inefficient and final results inside a loss of power. When using renewable wind or PV energy, extra AC/DC transformations are necessary, leading to more loss. Additional with each other more than many AC/DC conversions and voltage adjustments, total energy losses can surpass 20 percent in some techniques, according to Navigant Investigate.
DC power supply gear, deployed in business buildings and campus microgrids, cut down the quantity of required conversions among AC and DC electrical power, raising overall constructing energy efficiency. Considering that solar photovoltaic and wind power are natively DC, the advantages of DC power systems turn into clear when contemplating the integration of renewable vitality generation.
"Commercial buildings are more and more employing option techniques to draw much less power in the grid, both via efficiency gains from fewer AC/DC conversions, or as a result of decreasing the will need for inverters by utilizing renewable or fuel cell power sources," stated Noah Goldstein, analysis director with Navigant Investigate. "DC-based systems enable stable, high-quality power distribution to crucial providers in buildings like security, lighting, and environmental management methods."
Whilst power supply tools varieties a crucial element of DC power programs, they are not the sole one. A developing number of DC power technologies minimize AC/DC conversions and cut down the connected losses. According to Navigant, the market for DC making controls and functionality, such as powered and biometric door locks, security cameras and sensors, networking gadgets such as wireless access points, and actuators and controls for HVAC, are going to be even bigger -- reaching $5 billion in yearly income by 2020.
DC power supply gear, deployed in business buildings and campus microgrids, cut down the quantity of required conversions among AC and DC electrical power, raising overall constructing energy efficiency. Considering that solar photovoltaic and wind power are natively DC, the advantages of DC power systems turn into clear when contemplating the integration of renewable vitality generation.
"Commercial buildings are more and more employing option techniques to draw much less power in the grid, both via efficiency gains from fewer AC/DC conversions, or as a result of decreasing the will need for inverters by utilizing renewable or fuel cell power sources," stated Noah Goldstein, analysis director with Navigant Investigate. "DC-based systems enable stable, high-quality power distribution to crucial providers in buildings like security, lighting, and environmental management methods."
Whilst power supply tools varieties a crucial element of DC power programs, they are not the sole one. A developing number of DC power technologies minimize AC/DC conversions and cut down the connected losses. According to Navigant, the market for DC making controls and functionality, such as powered and biometric door locks, security cameras and sensors, networking gadgets such as wireless access points, and actuators and controls for HVAC, are going to be even bigger -- reaching $5 billion in yearly income by 2020.
2014年5月15日 星期四
Determine Your Supply of power Low Present For the A Shunt
Designers frequently use a existing shunt to measure very low present currently being sourced out of their electrical power provide due to the fact a lot of of now!|s power supplies don't offer adequate accuracy from their built-in measurement techniques. Employing a shunt is easy. Just choose a shunt resistor of a known resistance, measure the voltage drop throughout the shunt, and use Ohm!|s law to determine the present.
In practice, this implies you need to accurately know the resistance with the shunt, take into account any drift during the resistance worth, and be careful about sizing the shunt so that you don!|t have also a great deal burden voltage (the voltage drop across the shunt that requires far from the final voltage that seems on the gadget under check, or DUT).
The Choices
For static recent or current that changes more than a little range (ten:1), this method operates fine. But for dynamic currents, applying a shunt turns into more tough. When you dimension the shunt for that low current, the burden voltage turns into also huge at large current. When you dimension the shunt for higher existing, chances are you'll not get enough measureable voltage at low latest for an correct latest measurement.
This may force you to contemplate employing a number of shunts, which can perform nicely if you're able to handle once the recent is flowing. If you can management your DUT along with your test sequence which means you know you might be drawing substantial latest for a single test and reduced existing for a different, then you definately can use relays to switch in between the shunts to achieve wide dynamic variety of measurement. But switching shunts could take numerous milliseconds and adds complexity, so it may not be an appropriate answer for high-throughput automated test products (ATE).
You may would like to try out applying one shunt to cover the whole dynamic choice of latest, although measuring the two high and very low present from the similar shunt features its very own problems. As the dynamic variety of latest to get measured gets more substantial, to reduce burden voltage at substantial existing, you'll be forced to make use of a smaller sized shunt by using a smaller sized voltage drop at reduced existing.
Allow!|s say your DUT calls for ten A at total operation and 10 mA in standby mode. This can be a one thousand:one dynamic range of existing. Should you choose a 10-m￡[ shunt to maintain your burden voltage lower, you are going to possess a 100-mV drop at 10 A as well as a 100-￡gV drop at 10 mA. You may consider this ought to be easy to obtain an precise measurement, but there are various practical concerns (see the table). So, it isn!|t so quick to accurately measure very low recent applying a milliohm shunt, as there are plenty of elements to contemplate.
An additional method is usually to pick a electrical power supply which has the built-in latest measurement that you need. Within this situation, the test products vendor has completely engineered the option, accounting to the considerations in the table, leading to traceable, documented specs. Such a electrical power supply are going to be a lot more pricey than a less capable provide plus a existing shunt. But if accurately measuring recent is your objective, the extra price in the energy supply decreases complexity and considerably raises check self confidence and check throughput.
The Agilent Innovative Power Procedure N7900 Series Dynamic DC Power Supply is specifically made for measuring broad dynamic existing (see the figure). It provides rapidly, precise measurement of the 5000:1 dynamic choice of latest, like measuring from milliamps to dozens of amps.
In practice, this implies you need to accurately know the resistance with the shunt, take into account any drift during the resistance worth, and be careful about sizing the shunt so that you don!|t have also a great deal burden voltage (the voltage drop across the shunt that requires far from the final voltage that seems on the gadget under check, or DUT).
The Choices
For static recent or current that changes more than a little range (ten:1), this method operates fine. But for dynamic currents, applying a shunt turns into more tough. When you dimension the shunt for that low current, the burden voltage turns into also huge at large current. When you dimension the shunt for higher existing, chances are you'll not get enough measureable voltage at low latest for an correct latest measurement.
This may force you to contemplate employing a number of shunts, which can perform nicely if you're able to handle once the recent is flowing. If you can management your DUT along with your test sequence which means you know you might be drawing substantial latest for a single test and reduced existing for a different, then you definately can use relays to switch in between the shunts to achieve wide dynamic variety of measurement. But switching shunts could take numerous milliseconds and adds complexity, so it may not be an appropriate answer for high-throughput automated test products (ATE).
You may would like to try out applying one shunt to cover the whole dynamic choice of latest, although measuring the two high and very low present from the similar shunt features its very own problems. As the dynamic variety of latest to get measured gets more substantial, to reduce burden voltage at substantial existing, you'll be forced to make use of a smaller sized shunt by using a smaller sized voltage drop at reduced existing.
Allow!|s say your DUT calls for ten A at total operation and 10 mA in standby mode. This can be a one thousand:one dynamic range of existing. Should you choose a 10-m￡[ shunt to maintain your burden voltage lower, you are going to possess a 100-mV drop at 10 A as well as a 100-￡gV drop at 10 mA. You may consider this ought to be easy to obtain an precise measurement, but there are various practical concerns (see the table). So, it isn!|t so quick to accurately measure very low recent applying a milliohm shunt, as there are plenty of elements to contemplate.
An additional method is usually to pick a electrical power supply which has the built-in latest measurement that you need. Within this situation, the test products vendor has completely engineered the option, accounting to the considerations in the table, leading to traceable, documented specs. Such a electrical power supply are going to be a lot more pricey than a less capable provide plus a existing shunt. But if accurately measuring recent is your objective, the extra price in the energy supply decreases complexity and considerably raises check self confidence and check throughput.
The Agilent Innovative Power Procedure N7900 Series Dynamic DC Power Supply is specifically made for measuring broad dynamic existing (see the figure). It provides rapidly, precise measurement of the 5000:1 dynamic choice of latest, like measuring from milliamps to dozens of amps.
2014年5月14日 星期三
power supply
Sunpower has announced its new GSM18/25/36 series of 18 W, 25 W and 36 W substantial efficiency medical grade AC-DC energy adapters. These lengthen the preferred GSM40A/60A forty W and 60 W very low wattage series of green medical adapters. Complying with worldwide health-related security laws together with the 2*MOPP Usually means of Patient Safety degree, these versions function an extremely low leakage latest of 50 ￡gA or much less, a no-load power consumption below 0.one W along with a high efficiency of 88%. The complete series fulfils the stringent demands of patient get hold of health-related applications; in addition, it complies with the newest level V energy-saving laws such since the European Union!|s ErP Phase two along with the USA!|s EISA 2007 (Vitality Independence and Security Act of 2007).
The GSM18/25/36 series features a full array 80-264 VAC input, using a 2-pole IEC320-C8 typical plug ideal for globally mains supplies. Its output voltage possibilities vary from five to 48 VDC to suit the necessities of various compact health care units; a lock form DC plug is optional. The GSM18/25/36 versions are Class ll electrical power units without any Frame Ground, and enclosed by UL 94V-0 plastic scenarios which correctly guard end users from electrical shock. These adaptors have also acquired international security certificates per UL, CUL, TUL, CB, FCC and CE, which include the household healthcare health care regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly ensures user security.
The series!| normal functions involve short circuit, overload, and over voltage protection and an LED indicator. The units have an working temperature selection of -25￠XC to 60￠XC, with cooling by free air convection. Typical applications include health care products requiring very low leakage latest, portable health care products, dwelling healthcare units and any electrical methods possessing a minimal no-load electrical power consumption necessity.
!§Any gear that comes right into speak to with patients will have to obviously meet stringent safety specifications!‥ mentioned Andy Wall, CEO at Sunpower Technological innovation LLP, !§and these GSM goods definitely do so, as attested by their thorough certification. Their security effectiveness includes large efficiency operation crucial with today!|s power expenditures and Green legislative pressure, and each unit is backed by a 3-year warranty.!‥
About Sunpower
Sunpower Technologies LLP may be the Uk arm of a Taiwanese manufacturer that also enjoys extremely robust bonds with other, remarkably experienced factories and engineers in Taiwan and China. The company delivers a broad range of regular, customized and bespoke power supplies to companies and organisations throughout the United kingdom.
Sunpower Technology LLP is additionally an Authorised Distributor for Suggest Properly Enterprises, delivering prospects with cost-effective and direct accessibility to their dependable and substantial top quality power supplies. These goods are complemented by Sunpower!|s unsurpassed level of service, help and product or service understanding.
Sunpower Technologies LLP!|s total array of industrial and business power products involve DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. They can be used in rugged, data storage, health-related grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are remarkably professional in making custom design power supplies and their value extra services is centered on giving consumers !￥ready to go!| goods that resolve all their energy provide wants.
The GSM18/25/36 series features a full array 80-264 VAC input, using a 2-pole IEC320-C8 typical plug ideal for globally mains supplies. Its output voltage possibilities vary from five to 48 VDC to suit the necessities of various compact health care units; a lock form DC plug is optional. The GSM18/25/36 versions are Class ll electrical power units without any Frame Ground, and enclosed by UL 94V-0 plastic scenarios which correctly guard end users from electrical shock. These adaptors have also acquired international security certificates per UL, CUL, TUL, CB, FCC and CE, which include the household healthcare health care regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly ensures user security.
The series!| normal functions involve short circuit, overload, and over voltage protection and an LED indicator. The units have an working temperature selection of -25￠XC to 60￠XC, with cooling by free air convection. Typical applications include health care products requiring very low leakage latest, portable health care products, dwelling healthcare units and any electrical methods possessing a minimal no-load electrical power consumption necessity.
!§Any gear that comes right into speak to with patients will have to obviously meet stringent safety specifications!‥ mentioned Andy Wall, CEO at Sunpower Technological innovation LLP, !§and these GSM goods definitely do so, as attested by their thorough certification. Their security effectiveness includes large efficiency operation crucial with today!|s power expenditures and Green legislative pressure, and each unit is backed by a 3-year warranty.!‥
About Sunpower
Sunpower Technologies LLP may be the Uk arm of a Taiwanese manufacturer that also enjoys extremely robust bonds with other, remarkably experienced factories and engineers in Taiwan and China. The company delivers a broad range of regular, customized and bespoke power supplies to companies and organisations throughout the United kingdom.
Sunpower Technology LLP is additionally an Authorised Distributor for Suggest Properly Enterprises, delivering prospects with cost-effective and direct accessibility to their dependable and substantial top quality power supplies. These goods are complemented by Sunpower!|s unsurpassed level of service, help and product or service understanding.
Sunpower Technologies LLP!|s total array of industrial and business power products involve DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. They can be used in rugged, data storage, health-related grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are remarkably professional in making custom design power supplies and their value extra services is centered on giving consumers !￥ready to go!| goods that resolve all their energy provide wants.
2014年4月28日 星期一
A traditional past of oscilloscope progression in Vilnius
Through the Soviet era that ended in 1991, trade amongst the Soviet Union plus the outdoors globe was largely blocked. Some check gear managed to get in or out but by and big, the Soviet Union produced and produced its own oscilloscopes. The center of oscilloscope design and manufacturing was, for a lot of many years, in Vilnius, now the capital of Lithuania. As a result of the following photos, we've assembled a history of oscilloscopes developing and produced in Vilnius, each throughout and right after the Soviet era.
Before WWII: Poland
The primary electronics company in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The primary Elektrit factory was built in 1934 on Shepticky Street inside the Naujamiestis district. Before WWII, this was the largest factory in Vilnius, creating and producing radio receivers for civil use. It occupied ten,000m2 and had its own energy station, six assembly lines, and 1100 engineers and employees. The plant generated 54,000 radio receivers annually at a total price of USD one.2 million.
Elektrit was nationalized in 1939, in the beginning of WWII and its equipment dismantled and transported to Minsk where one more factory was later established. Facts about the background of Elektrit is available in [1]. Even now, these pre-war factory buildings are in fairly fantastic condition, but are utilised for other functions. The key building in the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from the surrounding buildings.
The factory was restored with the end of the WWII when Vilnius became a part of the USSR and the capital of Soviet Lithuania. It was turned right into a plant for the Soviet Union!|s aviation sector. The factory was named 555, which people today called The Fives, and for 5 decades it had been the flagship of Lithuania!|s high-tech sector. The many other Lithuanian electronic firms (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) had been founded afterwards together with the support of experts through the 555 organization.
In March 1949, a whole new Experimental Design Bureau was produced with the 555 factory. The oscilloscope business grew to become considered one of its primary pursuits. In 1948, the plant's experts designed the industry's initially oscilloscope, the C1-1, by using a bandwidth of 250 kHz . A single yr later, the plant created a five MHz oscilloscope, the C1 two, developed by Moscow Investigate No. 17. The primary oscilloscope built through the Experimental Layout Bureau was the C1-4 in 1954. At the exact same time the plant generated countless exclusive OK- oscilloscopes that have been employed in nuclear tests.
In 1960 the 555 factory and Investigate Institute presently existed. They intended and produced such items as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic health care equipment. The two companies had been owned through the military-industrial complicated, but military applications accounted for only 25% of manufacturing. During the 1980s the corporations employed 7000 people in total. The turnover exceeded USD 250 million, whilst USD 80 million was generated from oscilloscope manufacturing. The main technical specialists had been graduates from the country!|s best technical universities.
Before WWII: Poland
The primary electronics company in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The primary Elektrit factory was built in 1934 on Shepticky Street inside the Naujamiestis district. Before WWII, this was the largest factory in Vilnius, creating and producing radio receivers for civil use. It occupied ten,000m2 and had its own energy station, six assembly lines, and 1100 engineers and employees. The plant generated 54,000 radio receivers annually at a total price of USD one.2 million.
Elektrit was nationalized in 1939, in the beginning of WWII and its equipment dismantled and transported to Minsk where one more factory was later established. Facts about the background of Elektrit is available in [1]. Even now, these pre-war factory buildings are in fairly fantastic condition, but are utilised for other functions. The key building in the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from the surrounding buildings.
The factory was restored with the end of the WWII when Vilnius became a part of the USSR and the capital of Soviet Lithuania. It was turned right into a plant for the Soviet Union!|s aviation sector. The factory was named 555, which people today called The Fives, and for 5 decades it had been the flagship of Lithuania!|s high-tech sector. The many other Lithuanian electronic firms (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) had been founded afterwards together with the support of experts through the 555 organization.
In March 1949, a whole new Experimental Design Bureau was produced with the 555 factory. The oscilloscope business grew to become considered one of its primary pursuits. In 1948, the plant's experts designed the industry's initially oscilloscope, the C1-1, by using a bandwidth of 250 kHz . A single yr later, the plant created a five MHz oscilloscope, the C1 two, developed by Moscow Investigate No. 17. The primary oscilloscope built through the Experimental Layout Bureau was the C1-4 in 1954. At the exact same time the plant generated countless exclusive OK- oscilloscopes that have been employed in nuclear tests.
In 1960 the 555 factory and Investigate Institute presently existed. They intended and produced such items as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic health care equipment. The two companies had been owned through the military-industrial complicated, but military applications accounted for only 25% of manufacturing. During the 1980s the corporations employed 7000 people in total. The turnover exceeded USD 250 million, whilst USD 80 million was generated from oscilloscope manufacturing. The main technical specialists had been graduates from the country!|s best technical universities.
2014年4月22日 星期二
Progression of 65% for Electric Power Offers & Power ICs
International income for digital power supplies is forecast to strategy $3.three billion in 2014 then climb to $11.eight billion in 2018, according to !§The World Marketplace for Digital Energy - 2014.!‥ Meanwhile, global income for digital energy ICs will best $605 million in 2014, then attain $3.1 billion by 2018.
!§The marketplace for digital electrical power options is previously well-established while in the server and telecommunication markets,!‥ mentioned Jonathon Eykyn, energy provide and storage part analyst for IHS. !§However, IHS is now beginning to see growing adoption across a a great deal broader range of merchandise and applications, that's driving fast development.!‥
Digital power offers consumers several strengths more than standard analog power, Eykyn mentioned, like the reduction of your total bill-of-materials expense. This is completed by consolidating the quantity of discrete parts, reducing the carbon footprint, expanding power density, providing the capability to keep track of and optimize power levels and technique demands whilst in operation, and speeding time for you to industry for merchandise.
For your first time, IHS has compiled market share rankings for corporations working within the digital power supply and digital power IC markets, which are incorporated within the report as well.
Delta Electronics held the largest share in the 2013 digital power provide marketplace, with an estimated 10.3% of total sector income. It was followed by Eltek and Emerson with 9.1% and eight.8% market share, respectively.
During the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came subsequent, garnering 9.6% and 8.9% marketplace share, respectively.
!§Both the digital power provide and digital power IC markets remain relatively fragmented, without any suppliers owning a dominant position,!‥ mentioned Eykyn. !§This implies that competition and innovation remain large as corporations seek to win significant shoppers.!‥
The report includes evaluation in the possibilities for AC-DC, DC-DC and DC-AC power supplies, also as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by 2018.
!§The marketplace for digital electrical power options is previously well-established while in the server and telecommunication markets,!‥ mentioned Jonathon Eykyn, energy provide and storage part analyst for IHS. !§However, IHS is now beginning to see growing adoption across a a great deal broader range of merchandise and applications, that's driving fast development.!‥
Digital power offers consumers several strengths more than standard analog power, Eykyn mentioned, like the reduction of your total bill-of-materials expense. This is completed by consolidating the quantity of discrete parts, reducing the carbon footprint, expanding power density, providing the capability to keep track of and optimize power levels and technique demands whilst in operation, and speeding time for you to industry for merchandise.
For your first time, IHS has compiled market share rankings for corporations working within the digital power supply and digital power IC markets, which are incorporated within the report as well.
Delta Electronics held the largest share in the 2013 digital power provide marketplace, with an estimated 10.3% of total sector income. It was followed by Eltek and Emerson with 9.1% and eight.8% market share, respectively.
During the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came subsequent, garnering 9.6% and 8.9% marketplace share, respectively.
!§Both the digital power provide and digital power IC markets remain relatively fragmented, without any suppliers owning a dominant position,!‥ mentioned Eykyn. !§This implies that competition and innovation remain large as corporations seek to win significant shoppers.!‥
The report includes evaluation in the possibilities for AC-DC, DC-DC and DC-AC power supplies, also as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by 2018.
2014年4月20日 星期日
DC power making it possible for replenishable incorporation
Public electric utilities supply alternating present (AC) energy exclusively, whilst electronics, LED lighting, and specific other widespread gadgets operate on direct existing (DC) energy. These gadgets should convert energy from AC to DC and stage down voltage to required levels. Sad to say, the conversion from AC to DC is usually inefficient and final results within a reduction of power. When using renewable wind or PV power, extra AC/DC transformations are needed, triggering more reduction. Added collectively above numerous AC/DC conversions and voltage improvements, complete electrical power losses can surpass 20 % in some techniques, in accordance to Navigant Investigation.
DC power supply products, deployed in commercial buildings and campus microgrids, decrease the quantity of needed conversions between AC and DC energy, expanding overall developing energy efficiency. Due to the fact solar photovoltaic and wind electrical power are natively DC, the benefits of DC power techniques become clear when considering the integration of renewable power generation.
"Commercial buildings are more and more using alternative tactics to draw less power from the grid, either by efficiency gains from fewer AC/DC conversions, or by cutting down the want for inverters by utilizing renewable or fuel cell energy sources," explained Noah Goldstein, analysis director with Navigant Research. "DC-based programs allow steady, high-quality electrical power distribution to essential companies in buildings together with security, lighting, and environmental control methods."
While energy supply products types a critical component of DC energy techniques, they are not the sole one. A growing quantity of DC power technologies reduce AC/DC conversions and minimize the connected losses. According to Navigant, the market for DC developing controls and functionality, this kind of as powered and biometric door locks, security cameras and sensors, networking devices such as wireless entry factors, and actuators and controls for HVAC, might be even more substantial -- reaching $5 billion in annual revenue by 2020.
DC power supply products, deployed in commercial buildings and campus microgrids, decrease the quantity of needed conversions between AC and DC energy, expanding overall developing energy efficiency. Due to the fact solar photovoltaic and wind electrical power are natively DC, the benefits of DC power techniques become clear when considering the integration of renewable power generation.
"Commercial buildings are more and more using alternative tactics to draw less power from the grid, either by efficiency gains from fewer AC/DC conversions, or by cutting down the want for inverters by utilizing renewable or fuel cell energy sources," explained Noah Goldstein, analysis director with Navigant Research. "DC-based programs allow steady, high-quality electrical power distribution to essential companies in buildings together with security, lighting, and environmental control methods."
While energy supply products types a critical component of DC energy techniques, they are not the sole one. A growing quantity of DC power technologies reduce AC/DC conversions and minimize the connected losses. According to Navigant, the market for DC developing controls and functionality, this kind of as powered and biometric door locks, security cameras and sensors, networking devices such as wireless entry factors, and actuators and controls for HVAC, might be even more substantial -- reaching $5 billion in annual revenue by 2020.
2014年4月19日 星期六
Instant Current Power Supply Equipment for Business enterprise Structures Will Accomplish $2.8 Billion in Each year Earnings by 2020, Estimations Navigant Analysis
Deployed in industrial buildings and campus microgrids, direct current (DC) power supply tools minimizes the amount of demanded conversions concerning alternating latest (AC) and DC power, therefore growing the general developing vitality efficiency. Considering that solar photovoltaic and wind electrical power are natively DC, the benefits of DC electrical power methods turn out to be notably clear when thinking of the integration of renewable power generation. Click to tweet: According to a recent report from Navigant Investigation, DC energy supply equipment for business buildings will grow from $320 million in yearly income in 2013 to in excess of $2.8 billion in 2020.
!§Commercial buildings are more and more using option strategies to draw much less energy from the grid, both by efficiency gains from fewer AC/DC conversions, or as a result of lowering the need for inverters by utilizing renewable or fuel cell energy sources,!‥ says Noah Goldstein, exploration director with Navigant Investigation. !§DC-based methods allow secure, higher high-quality energy distribution to vital solutions in buildings which includes safety, lighting, and environmental handle systems.!‥
When power supply tools forms a critical component of DC electrical power programs, they are not the sole one particular. The market for DC constructing controls and performance, such as powered and biometric door locks, safety cameras and sensors, networking units this kind of as wireless accessibility factors, and actuators and controls for heating, ventilation, and air conditioning, will probably be even more substantial, in accordance to the report, reaching $5 billion in annual revenue by 2020.
The report, !§DC Electrical power for Commercial Buildings!‥, analyzes the international marketplace opportunity for DC energy technologies in industrial buildings. Five technological innovation classes are covered: DC developing power supply tools, DC constructing controls and functionality, DC lighting, DC plug loads, and DC developing microgrid infrastructure. The report delivers a detailed evaluation of the demand drivers and barriers, trends, and technologies difficulties connected with around the world DC electrical power methods. Global marketplace forecasts, segmented by engineering, region, and business making type, lengthen through 2020. The examine also examines the requirements and laws connected to DC power distribution methods, and presents in-depth profiles of vital industry gamers. An Executive Summary from the report is available without cost download within the Navigant Investigation web site.
!§Commercial buildings are more and more using option strategies to draw much less energy from the grid, both by efficiency gains from fewer AC/DC conversions, or as a result of lowering the need for inverters by utilizing renewable or fuel cell energy sources,!‥ says Noah Goldstein, exploration director with Navigant Investigation. !§DC-based methods allow secure, higher high-quality energy distribution to vital solutions in buildings which includes safety, lighting, and environmental handle systems.!‥
When power supply tools forms a critical component of DC electrical power programs, they are not the sole one particular. The market for DC constructing controls and performance, such as powered and biometric door locks, safety cameras and sensors, networking units this kind of as wireless accessibility factors, and actuators and controls for heating, ventilation, and air conditioning, will probably be even more substantial, in accordance to the report, reaching $5 billion in annual revenue by 2020.
The report, !§DC Electrical power for Commercial Buildings!‥, analyzes the international marketplace opportunity for DC energy technologies in industrial buildings. Five technological innovation classes are covered: DC developing power supply tools, DC constructing controls and functionality, DC lighting, DC plug loads, and DC developing microgrid infrastructure. The report delivers a detailed evaluation of the demand drivers and barriers, trends, and technologies difficulties connected with around the world DC electrical power methods. Global marketplace forecasts, segmented by engineering, region, and business making type, lengthen through 2020. The examine also examines the requirements and laws connected to DC power distribution methods, and presents in-depth profiles of vital industry gamers. An Executive Summary from the report is available without cost download within the Navigant Investigation web site.
2014年4月18日 星期五
Appraise Your Source of power Low Current With A Shunt
Designers usually use a latest shunt to measure lower present staying sourced out of their electrical power provide considering that many of now!|s power supplies never offer you adequate accuracy from their built-in measurement methods. Utilizing a shunt is easy. Just select a shunt resistor of a regarded resistance, measure the voltage drop across the shunt, and use Ohm!|s law to determine the present.
In practice, this implies you need to accurately know the resistance of your shunt, take into account any drift in the resistance worth, and be careful about sizing the shunt so that you don!|t have too considerably burden voltage (the voltage drop throughout the shunt that requires far from the ultimate voltage that seems on the device beneath check, or DUT).
The Options
For static existing or present that modifications in excess of a little array (10:1), this strategy performs fine. But for dynamic currents, utilizing a shunt gets to be extra difficult. Should you size the shunt for that very low present, the burden voltage gets too big at substantial current. In case you dimension the shunt for substantial current, you could possibly not get sufficient measureable voltage at minimal latest for an precise existing measurement.
This may force you to take into account utilizing several shunts, which might work well if you're able to manage when the existing is flowing. If you're able to handle your DUT as well as your check sequence which means you know you might be drawing substantial recent for a single test and lower present for a different, then you definately can use relays to switch in between the shunts to attain broad dynamic selection of measurement. But switching shunts could consider lots of milliseconds and adds complexity, so it might not be a suitable reply for high-throughput automated test gear (ATE).
You could possibly wish to check out applying one shunt to cover the entire dynamic range of recent, however measuring the two large and reduced recent in the same shunt provides its personal difficulties. Since the dynamic variety of current to become measured gets bigger, to decrease burden voltage at substantial existing, you will be forced to work with a smaller shunt with a smaller voltage drop at lower existing.
Allow!|s say your DUT needs ten A at total operation and ten mA in standby mode. This is a one thousand:1 dynamic choice of current. If you decide on a 10-m￡[ shunt to keep your burden voltage lower, you can possess a 100-mV drop at ten A and a 100-￡gV drop at 10 mA. You could think this must be uncomplicated to acquire an correct measurement, but you will find numerous sensible considerations (see the table). So, it isn!|t so easy to accurately measure lower existing working with a milliohm shunt, as there are lots of factors to contemplate.
Yet another approach is always to pick a power supply that has the built-in current measurement you want. On this situation, the test equipment vendor has fully engineered the alternative, accounting to the concerns while in the table, leading to traceable, documented specs. Such a electrical power supply will be more pricey than a less capable provide plus a present shunt. But if accurately measuring current is your aim, the additional price in the energy supply minimizes complexity and substantially raises test self-assurance and check throughput.
The Agilent State-of-the-art Electrical power Technique N7900 Series Dynamic DC Power Supply is particularly intended for measuring wide dynamic existing (see the figure). It presents quickly, precise measurement of a 5000:one dynamic variety of present, including measuring from milliamps to dozens of amps.
Low-wattage AC-DC Medical Quality Connects are Safety-guaranteed and Particularly Powerful
Sunpower has announced its new GSM18/25/36 series of 18 W, 25 W and 36 W substantial efficiency health-related grade AC-DC power adapters. These lengthen the common GSM40A/60A forty W and 60 W minimal wattage series of green medical adapters. Complying with international health care safety rules together with the 2*MOPP Signifies of Patient Safety level, these versions feature an really very low leakage latest of 50 ￡gA or much less, a no-load electrical power consumption beneath 0.1 W along with a higher efficiency of 88%. The whole series fulfils the stringent demands of patient speak to health care applications; furthermore, it complies using the hottest level V energy-saving regulations this kind of since the European Union!|s ErP Stage two and also the USA!|s EISA 2007 (Vitality Independence and Safety Act of 2007).
The GSM18/25/36 series characteristics a full variety 80-264 VAC input, utilizing a 2-pole IEC320-C8 typical plug appropriate for throughout the world mains supplies. Its output voltage solutions range from 5 to 48 VDC to suit the demands of different smaller healthcare units; a lock kind DC plug is optional. The GSM18/25/36 designs are Class ll power units without Frame Ground, and enclosed by UL 94V-0 plastic scenarios which correctly defend end users from electrical shock. These adaptors have also acquired global security certificates per UL, CUL, TUL, CB, FCC and CE, including the home healthcare healthcare regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly guarantees user safety.
The series!| standard functions include things like short circuit, overload, and over voltage safety and an LED indicator. The units have an operating temperature range of -25￠XC to 60￠XC, with cooling by no cost air convection. Common applications contain health-related equipment requiring minimal leakage existing, moveable health-related gear, house healthcare units and any electrical methods acquiring a low no-load power consumption requirement.
!§Any tools that comes directly into get hold of with patients need to plainly meet stringent safety standards!‥ said Andy Wall, CEO at Sunpower Engineering LLP, !§and these GSM items surely do so, as attested by their extensive certification. Their security performance includes large efficiency operation critical with right now!|s energy prices and Green legislative pressure, and each unit is backed by a 3-year warranty.!‥
About Sunpower
Sunpower Technology LLP may be the United kingdom arm of a Taiwanese manufacturer that also enjoys really robust bonds with other, remarkably skilled factories and engineers in Taiwan and China. The organization delivers a wide assortment of standard, customized and bespoke power supplies to businesses and organisations throughout the Uk.
Sunpower Technologies LLP can also be an Authorised Distributor for Mean Properly Enterprises, supplying customers with cost-effective and direct access to their dependable and large top quality power supplies. These merchandise are complemented by Sunpower!|s unsurpassed level of services, support and products understanding.
Sunpower Technologies LLP!|s all round range of industrial and business energy merchandise incorporate DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. They can be used in rugged, data storage, healthcare grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are highly skilled in creating custom design power supplies and their worth added service is focused on providing prospects !￥ready to go!| products that resolve all their power supply wants.
The GSM18/25/36 series characteristics a full variety 80-264 VAC input, utilizing a 2-pole IEC320-C8 typical plug appropriate for throughout the world mains supplies. Its output voltage solutions range from 5 to 48 VDC to suit the demands of different smaller healthcare units; a lock kind DC plug is optional. The GSM18/25/36 designs are Class ll power units without Frame Ground, and enclosed by UL 94V-0 plastic scenarios which correctly defend end users from electrical shock. These adaptors have also acquired global security certificates per UL, CUL, TUL, CB, FCC and CE, including the home healthcare healthcare regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly guarantees user safety.
The series!| standard functions include things like short circuit, overload, and over voltage safety and an LED indicator. The units have an operating temperature range of -25￠XC to 60￠XC, with cooling by no cost air convection. Common applications contain health-related equipment requiring minimal leakage existing, moveable health-related gear, house healthcare units and any electrical methods acquiring a low no-load power consumption requirement.
!§Any tools that comes directly into get hold of with patients need to plainly meet stringent safety standards!‥ said Andy Wall, CEO at Sunpower Engineering LLP, !§and these GSM items surely do so, as attested by their extensive certification. Their security performance includes large efficiency operation critical with right now!|s energy prices and Green legislative pressure, and each unit is backed by a 3-year warranty.!‥
About Sunpower
Sunpower Technology LLP may be the United kingdom arm of a Taiwanese manufacturer that also enjoys really robust bonds with other, remarkably skilled factories and engineers in Taiwan and China. The organization delivers a wide assortment of standard, customized and bespoke power supplies to businesses and organisations throughout the Uk.
Sunpower Technologies LLP can also be an Authorised Distributor for Mean Properly Enterprises, supplying customers with cost-effective and direct access to their dependable and large top quality power supplies. These merchandise are complemented by Sunpower!|s unsurpassed level of services, support and products understanding.
Sunpower Technologies LLP!|s all round range of industrial and business energy merchandise incorporate DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. They can be used in rugged, data storage, healthcare grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are highly skilled in creating custom design power supplies and their worth added service is focused on providing prospects !￥ready to go!| products that resolve all their power supply wants.
2014年4月16日 星期三
UofT and Sendyne to offer progressive power supply type for cell phone equipment
A joint collaboration involving the University of Toronto and Sendyne Corp., New york, has yielded a new circuit that enables a smaller sized, lighter battery and electrical power subsystem for tablet PCs together with other portable devices.
The volume occupied by the power supply circuit continues to be a limiting aspect for miniaturization of your electronics in mobile gadgets. Existing power supply patterns occupy anyplace in between 20% and 80% in the volume of this kind of products, based upon the application. A substantial portion of this volume is determined by the size of inductors and capacitors used in such power supply circuits.
For being presented on the IEEE Utilized Energy Electronics Conference (APEC) and Exhibition in Fort Well worth TX on Thursday, March 20th, the circuit addresses these troubles. This topology consumes significantly less power than would generally be needed to keep secure dc bus voltage output from the battery subsystem in portable devices, and achieves a 9X reduction in size and cost of your output capacitor. Since the trend in new gadget layout is usually to use dual cell batteries for optimization of energy delivery and cell life, the new architecture also supplies for economical, lossless balancing of your batteries in dual cell methods. Experimental success obtained from an 8-12V, 20W, 250KHz prototype demonstrate a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Based mostly Integrated Battery Management Process for Minimal Energy Applications.!‥ Main the venture group is Professor Aleksandar Prodic, from your Electrical and Computer Engineering (ECE) Department in the University of Toronto. He is the founder in the Laboratory for Energy Management and Integrated SMPS, exactly where the development is happening. Dr. Prodic, a recipient of a number of IEEE awards and distinctions, is surely an skilled in electrical power process design.
The volume occupied by the power supply circuit continues to be a limiting aspect for miniaturization of your electronics in mobile gadgets. Existing power supply patterns occupy anyplace in between 20% and 80% in the volume of this kind of products, based upon the application. A substantial portion of this volume is determined by the size of inductors and capacitors used in such power supply circuits.
For being presented on the IEEE Utilized Energy Electronics Conference (APEC) and Exhibition in Fort Well worth TX on Thursday, March 20th, the circuit addresses these troubles. This topology consumes significantly less power than would generally be needed to keep secure dc bus voltage output from the battery subsystem in portable devices, and achieves a 9X reduction in size and cost of your output capacitor. Since the trend in new gadget layout is usually to use dual cell batteries for optimization of energy delivery and cell life, the new architecture also supplies for economical, lossless balancing of your batteries in dual cell methods. Experimental success obtained from an 8-12V, 20W, 250KHz prototype demonstrate a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Based mostly Integrated Battery Management Process for Minimal Energy Applications.!‥ Main the venture group is Professor Aleksandar Prodic, from your Electrical and Computer Engineering (ECE) Department in the University of Toronto. He is the founder in the Laboratory for Energy Management and Integrated SMPS, exactly where the development is happening. Dr. Prodic, a recipient of a number of IEEE awards and distinctions, is surely an skilled in electrical power process design.
2014年4月12日 星期六
oscilloscopes 101
If there's one program that each engineer need to get it can be Tom Dagostino!|s Fundamentals of Digital Oscilloscope Usage program. Not simply does this course touch to the basic differences involving analog and digital oscilloscopes, it explains in much less than one hour pretty much every thing you might want to know about the primary attributes of digital oscilloscopes. And because it is pre-recorded and readily available on the net, it is possible to observe it from the desk at your leisure.
Tom is surely an electrical engineer with just about 40 many years of acquired expertise in lots of areas which includes signal integrity and analysis, EDA, board layout and circuit design. He's currently VP of gadget modeling at Teraspeed Consulting Group and is also a normal presenter and lively neighborhood member of DesignCon. Within this course, Tom does an awesome work of describing complicated digital oscilloscope features in simplistic terms. He walks by real-world application examples making use of an Agilent MSOX4154A X-Series Oscilloscope to show signals produced from a DVD player in his lab.
When the basic performance of each analog and digital oscilloscopes would be to measure and display voltage towards time to get a distinct input signal, digital scopes have come an extended way from the traditional analog versions everyone knows and love. Analog scopes just display signals, whereas a digital one digitizes the signal employing different acquisition and triggering modes. Digital scopes present increasingly advanced capabilities and options that make them exponentially additional highly effective than an analog a single.
While these new capabilities may look intimidating initially, this course can help you discover your comfort zone working with a digital oscilloscope as it explains the basics about analog-to-digital conversion, sampling approaches for example peak detection, averaging and substantial resolution, and how to proficiently use triggering. Actually, did you know that triggering is a crucial differentiator between analog and digital oscilloscopes? In an analog scope, the set off is made use of to start out the display, but within a digital scope, the set off stops the acquisition. This can be particularly handy to present what caused an event as opposed to what occurred because of an event.
I located the troubleshooting a part of the course quite possibly the most fascinating. For instance, I realized how the scope!|s display and triggering abilities is often employed to uncover hidden troubles inside a serial information stream as well as hard-to-find timing difficulties, for example intermittent failures.
Whether you will be an engineer debugging new patterns or fixing assembly problems for the duration of manufacturing check, I am certain that you'll uncover this program insightful and helpful. Because of Tom for sharing his tricks in the trade with us. I invite you to consider the course oneself and share your ideas with me.
Tom is surely an electrical engineer with just about 40 many years of acquired expertise in lots of areas which includes signal integrity and analysis, EDA, board layout and circuit design. He's currently VP of gadget modeling at Teraspeed Consulting Group and is also a normal presenter and lively neighborhood member of DesignCon. Within this course, Tom does an awesome work of describing complicated digital oscilloscope features in simplistic terms. He walks by real-world application examples making use of an Agilent MSOX4154A X-Series Oscilloscope to show signals produced from a DVD player in his lab.
When the basic performance of each analog and digital oscilloscopes would be to measure and display voltage towards time to get a distinct input signal, digital scopes have come an extended way from the traditional analog versions everyone knows and love. Analog scopes just display signals, whereas a digital one digitizes the signal employing different acquisition and triggering modes. Digital scopes present increasingly advanced capabilities and options that make them exponentially additional highly effective than an analog a single.
While these new capabilities may look intimidating initially, this course can help you discover your comfort zone working with a digital oscilloscope as it explains the basics about analog-to-digital conversion, sampling approaches for example peak detection, averaging and substantial resolution, and how to proficiently use triggering. Actually, did you know that triggering is a crucial differentiator between analog and digital oscilloscopes? In an analog scope, the set off is made use of to start out the display, but within a digital scope, the set off stops the acquisition. This can be particularly handy to present what caused an event as opposed to what occurred because of an event.
I located the troubleshooting a part of the course quite possibly the most fascinating. For instance, I realized how the scope!|s display and triggering abilities is often employed to uncover hidden troubles inside a serial information stream as well as hard-to-find timing difficulties, for example intermittent failures.
Whether you will be an engineer debugging new patterns or fixing assembly problems for the duration of manufacturing check, I am certain that you'll uncover this program insightful and helpful. Because of Tom for sharing his tricks in the trade with us. I invite you to consider the course oneself and share your ideas with me.
2014年3月28日 星期五
UofT and Sendyne to provide revolutionary power supply style for mobile phone devices
A joint collaboration among the University of Toronto and Sendyne Corp., Ny, has yielded a fresh circuit that permits a smaller, lighter battery and power subsystem for tablet PCs and various moveable products.
The volume occupied from the power supply circuit is a limiting aspect for miniaturization from the electronics in mobile devices. Existing power supply designs occupy anyplace concerning 20% and 80% from the volume of such products, determined by the application. A significant portion of this volume is determined by the size of inductors and capacitors used in such power supply circuits.
To get presented with the IEEE Applied Electrical power Electronics Conference (APEC) and Exhibition in Fort Really worth TX on Thursday, March 20th, the circuit addresses these challenges. This topology consumes significantly less energy than would commonly be expected to retain steady dc bus voltage output on the battery subsystem in moveable gadgets, and achieves a 9X reduction in size and expense with the output capacitor. As the trend in new gadget style should be to use dual cell batteries for optimization of power delivery and cell daily life, the new architecture also presents for economical, lossless balancing of the batteries in dual cell programs. Experimental results obtained from an 8-12V, 20W, 250KHz prototype show a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Primarily based Integrated Battery Management Program for Low Power Applications.!‥ Main the undertaking team is Professor Aleksandar Prodic, from the Electrical and Computer Engineering (ECE) Department with the University of Toronto. He is the founder with the Laboratory for Power Management and Integrated SMPS, wherever the advancement is taking place. Dr. Prodic, a recipient of various IEEE awards and distinctions, is surely an skilled in energy process style and design.
The volume occupied from the power supply circuit is a limiting aspect for miniaturization from the electronics in mobile devices. Existing power supply designs occupy anyplace concerning 20% and 80% from the volume of such products, determined by the application. A significant portion of this volume is determined by the size of inductors and capacitors used in such power supply circuits.
To get presented with the IEEE Applied Electrical power Electronics Conference (APEC) and Exhibition in Fort Really worth TX on Thursday, March 20th, the circuit addresses these challenges. This topology consumes significantly less energy than would commonly be expected to retain steady dc bus voltage output on the battery subsystem in moveable gadgets, and achieves a 9X reduction in size and expense with the output capacitor. As the trend in new gadget style should be to use dual cell batteries for optimization of power delivery and cell daily life, the new architecture also presents for economical, lossless balancing of the batteries in dual cell programs. Experimental results obtained from an 8-12V, 20W, 250KHz prototype show a peak efficiency of 93.4%.
The APEC presentation is entitled, !§Assisting Converter Primarily based Integrated Battery Management Program for Low Power Applications.!‥ Main the undertaking team is Professor Aleksandar Prodic, from the Electrical and Computer Engineering (ECE) Department with the University of Toronto. He is the founder with the Laboratory for Power Management and Integrated SMPS, wherever the advancement is taking place. Dr. Prodic, a recipient of various IEEE awards and distinctions, is surely an skilled in energy process style and design.
Evaluate Your Power source’s Low Present With A Shunt
Designers typically use a recent shunt to measure low current currently being sourced from their energy provide given that a lot of of now!|s power supplies do not supply satisfactory accuracy from their built-in measurement methods. Making use of a shunt is easy. Just decide on a shunt resistor of a identified resistance, measure the voltage drop across the shunt, and use Ohm!|s law to calculate the current.
In practice, this implies you have to accurately know the resistance from the shunt, take into account any drift during the resistance worth, and be cautious about sizing the shunt so you don!|t have also much burden voltage (the voltage drop across the shunt that takes far from the ultimate voltage that seems on the device under test, or DUT).
The Alternatives
For static present or present that modifications above a little variety (10:one), this process will work fine. But for dynamic currents, working with a shunt gets to be much more demanding. In case you size the shunt for your minimal present, the burden voltage gets as well big at higher recent. Should you dimension the shunt for high current, you may not get adequate measureable voltage at reduced latest for an correct recent measurement.
This could force you to consider using multiple shunts, which can operate very well if you can manage when the existing is flowing. If you're able to manage your DUT as well as your test sequence which means you know you happen to be drawing higher existing for a single test and low existing for an additional, then you definitely can use relays to switch in between the shunts to attain broad dynamic selection of measurement. But switching shunts could consider numerous milliseconds and adds complexity, so it may not be an appropriate answer for high-throughput automated test products (ATE).
You may need to try out working with a single shunt to cover the whole dynamic variety of current, though measuring the two large and minimal latest in the similar shunt delivers its own challenges. As the dynamic choice of latest to be measured will get more substantial, to lessen burden voltage at large present, you will be forced to make use of a smaller sized shunt by using a smaller voltage drop at very low present.
Let!|s say your DUT necessitates ten A at full operation and ten mA in standby mode. This is a 1000:one dynamic variety of latest. If you choose a 10-m￡[ shunt to help keep your burden voltage lower, you will possess a 100-mV drop at 10 A along with a 100-￡gV drop at ten mA. You might assume this should be quick to have an accurate measurement, but there are a number of sensible considerations (see the table). So, it isn!|t so simple to accurately measure very low recent applying a milliohm shunt, as there are many factors to take into account.
A different technique should be to decide on a energy provide that has the built-in present measurement that you just need to have. Within this case, the test equipment vendor has fully engineered the option, accounting for the concerns within the table, leading to traceable, documented specs. Such a power provide will be a lot more pricey than a much less capable supply plus a current shunt. But when accurately measuring present is your goal, the additional expense of your electrical power provide lowers complexity and considerably raises test self-assurance and test throughput.
The Agilent State-of-the-art Electrical power Technique N7900 Series Dynamic dc power supply is particularly built for measuring wide dynamic latest (see the figure). It features rapid, accurate measurement of a 5000:1 dynamic range of recent, which include measuring from milliamps to dozens of amps.
In practice, this implies you have to accurately know the resistance from the shunt, take into account any drift during the resistance worth, and be cautious about sizing the shunt so you don!|t have also much burden voltage (the voltage drop across the shunt that takes far from the ultimate voltage that seems on the device under test, or DUT).
The Alternatives
For static present or present that modifications above a little variety (10:one), this process will work fine. But for dynamic currents, working with a shunt gets to be much more demanding. In case you size the shunt for your minimal present, the burden voltage gets as well big at higher recent. Should you dimension the shunt for high current, you may not get adequate measureable voltage at reduced latest for an correct recent measurement.
This could force you to consider using multiple shunts, which can operate very well if you can manage when the existing is flowing. If you're able to manage your DUT as well as your test sequence which means you know you happen to be drawing higher existing for a single test and low existing for an additional, then you definitely can use relays to switch in between the shunts to attain broad dynamic selection of measurement. But switching shunts could consider numerous milliseconds and adds complexity, so it may not be an appropriate answer for high-throughput automated test products (ATE).
You may need to try out working with a single shunt to cover the whole dynamic variety of current, though measuring the two large and minimal latest in the similar shunt delivers its own challenges. As the dynamic choice of latest to be measured will get more substantial, to lessen burden voltage at large present, you will be forced to make use of a smaller sized shunt by using a smaller voltage drop at very low present.
Let!|s say your DUT necessitates ten A at full operation and ten mA in standby mode. This is a 1000:one dynamic variety of latest. If you choose a 10-m￡[ shunt to help keep your burden voltage lower, you will possess a 100-mV drop at 10 A along with a 100-￡gV drop at ten mA. You might assume this should be quick to have an accurate measurement, but there are a number of sensible considerations (see the table). So, it isn!|t so simple to accurately measure very low recent applying a milliohm shunt, as there are many factors to take into account.
A different technique should be to decide on a energy provide that has the built-in present measurement that you just need to have. Within this case, the test equipment vendor has fully engineered the option, accounting for the concerns within the table, leading to traceable, documented specs. Such a power provide will be a lot more pricey than a much less capable supply plus a current shunt. But when accurately measuring present is your goal, the additional expense of your electrical power provide lowers complexity and considerably raises test self-assurance and test throughput.
The Agilent State-of-the-art Electrical power Technique N7900 Series Dynamic dc power supply is particularly built for measuring wide dynamic latest (see the figure). It features rapid, accurate measurement of a 5000:1 dynamic range of recent, which include measuring from milliamps to dozens of amps.
2014年3月20日 星期四
DC power allowing replenishable integration
Public electrical utilities deliver alternating current (AC) power solely, while electronics, LED lighting, and particular other common gadgets operate on direct recent (DC) electrical power. These gadgets need to convert power from AC to DC and step down voltage to desired ranges. Sad to say, the conversion from AC to DC is often inefficient and outcomes inside a loss of power. When applying renewable wind or PV energy, supplemental AC/DC transformations are needed, creating extra reduction. Extra together above numerous AC/DC conversions and voltage alterations, complete energy losses can surpass 20 percent in some techniques, according to Navigant Exploration.
Dc power supply products, deployed in business buildings and campus microgrids, cut down the amount of expected conversions among AC and DC electrical power, increasing total making vitality efficiency. Considering that solar photovoltaic and wind power are natively DC, the benefits of DC energy methods turn out to be clear when looking at the integration of renewable energy generation.
"Commercial buildings are more and more employing alternate approaches to draw significantly less energy from your grid, both via efficiency gains from fewer AC/DC conversions, or as a result of reducing the will need for inverters by using renewable or fuel cell energy sources," said Noah Goldstein, exploration director with Navigant Investigation. "DC-based techniques allow stable, high-quality power distribution to vital solutions in buildings such as safety, lighting, and environmental manage methods."
Even though power provide equipment types a important element of DC power methods, they are not the sole 1. A expanding amount of DC power technologies decrease AC/DC conversions and lower the linked losses. According to Navigant, the market for DC making controls and functionality, this kind of as powered and biometric door locks, protection cameras and sensors, networking gadgets this kind of as wireless entry factors, and actuators and controls for HVAC, might be even greater -- reaching $5 billion in yearly revenue by 2020.
Dc power supply products, deployed in business buildings and campus microgrids, cut down the amount of expected conversions among AC and DC electrical power, increasing total making vitality efficiency. Considering that solar photovoltaic and wind power are natively DC, the benefits of DC energy methods turn out to be clear when looking at the integration of renewable energy generation.
"Commercial buildings are more and more employing alternate approaches to draw significantly less energy from your grid, both via efficiency gains from fewer AC/DC conversions, or as a result of reducing the will need for inverters by using renewable or fuel cell energy sources," said Noah Goldstein, exploration director with Navigant Investigation. "DC-based techniques allow stable, high-quality power distribution to vital solutions in buildings such as safety, lighting, and environmental manage methods."
Even though power provide equipment types a important element of DC power methods, they are not the sole 1. A expanding amount of DC power technologies decrease AC/DC conversions and lower the linked losses. According to Navigant, the market for DC making controls and functionality, this kind of as powered and biometric door locks, protection cameras and sensors, networking gadgets this kind of as wireless entry factors, and actuators and controls for HVAC, might be even greater -- reaching $5 billion in yearly revenue by 2020.
2014年3月19日 星期三
Electronic digital oscilloscopes 101
If there is one particular course that every engineer ought to take it truly is Tom Dagostino!|s Fundamentals of Digital Oscilloscope Utilization program. Not just does this course touch within the fundamental distinctions between analog and digital oscilloscopes, it explains in much less than one hour pretty much everything you need to know about the key capabilities of digital oscilloscopes. And since it is pre-recorded and accessible online, it is possible to view it from the desk at your leisure.
Tom is an electrical engineer with virtually forty many years of acquired knowledge in lots of locations which include signal integrity and evaluation, EDA, board layout and circuit layout. He is now VP of gadget modeling at Teraspeed Consulting Group and is also a normal presenter and lively neighborhood member of DesignCon. Within this program, Tom does an incredible occupation of describing complicated digital oscilloscope capabilities in simplistic terms. He walks as a result of real-world application examples utilizing an Agilent MSOX4154A X-Series Oscilloscope to display signals produced from a DVD player in his lab.
When the essential functionality of each analog and digital oscilloscopes is to measure and display voltage against time for a certain input signal, digital scopes have come an extended way in the classic analog designs we all know and like. Analog scopes just show signals, whereas a digital one particular digitizes the signal working with diverse acquisition and triggering modes. Digital scopes deliver more and more superior capabilities and functions that make them exponentially much more strong than an analog one particular.
Though these new functions may well seem to be intimidating to start with, this program will help you come across your comfort zone employing a digital oscilloscope because it explains the fundamentals about analog-to-digital conversion, sampling approaches for example peak detection, averaging and higher resolution, and the way to correctly use triggering. In fact, do you know that triggering is often a key differentiator amongst analog and digital oscilloscopes? In an analog scope, the trigger is utilised to start the display, but in a digital scope, the set off stops the acquisition. This could be especially useful to show what caused an event as opposed to what happened mainly because of an event.
I identified the troubleshooting part of the program the most fascinating. Such as, I realized how the scope!|s display and triggering capabilities can be made use of to locate hidden difficulties in a serial data stream also as hard-to-find timing problems, for instance intermittent failures.
No matter if you are an engineer debugging new designs or fixing assembly challenges in the course of manufacturing test, I'm absolutely sure that you will uncover this course insightful and handy. Thanks to Tom for sharing his tricks of your trade with us. I invite you to get the course by yourself and share your ideas with me.
Tom is an electrical engineer with virtually forty many years of acquired knowledge in lots of locations which include signal integrity and evaluation, EDA, board layout and circuit layout. He is now VP of gadget modeling at Teraspeed Consulting Group and is also a normal presenter and lively neighborhood member of DesignCon. Within this program, Tom does an incredible occupation of describing complicated digital oscilloscope capabilities in simplistic terms. He walks as a result of real-world application examples utilizing an Agilent MSOX4154A X-Series Oscilloscope to display signals produced from a DVD player in his lab.
When the essential functionality of each analog and digital oscilloscopes is to measure and display voltage against time for a certain input signal, digital scopes have come an extended way in the classic analog designs we all know and like. Analog scopes just show signals, whereas a digital one particular digitizes the signal working with diverse acquisition and triggering modes. Digital scopes deliver more and more superior capabilities and functions that make them exponentially much more strong than an analog one particular.
Though these new functions may well seem to be intimidating to start with, this program will help you come across your comfort zone employing a digital oscilloscope because it explains the fundamentals about analog-to-digital conversion, sampling approaches for example peak detection, averaging and higher resolution, and the way to correctly use triggering. In fact, do you know that triggering is often a key differentiator amongst analog and digital oscilloscopes? In an analog scope, the trigger is utilised to start the display, but in a digital scope, the set off stops the acquisition. This could be especially useful to show what caused an event as opposed to what happened mainly because of an event.
I identified the troubleshooting part of the program the most fascinating. Such as, I realized how the scope!|s display and triggering capabilities can be made use of to locate hidden difficulties in a serial data stream also as hard-to-find timing problems, for instance intermittent failures.
No matter if you are an engineer debugging new designs or fixing assembly challenges in the course of manufacturing test, I'm absolutely sure that you will uncover this course insightful and handy. Thanks to Tom for sharing his tricks of your trade with us. I invite you to get the course by yourself and share your ideas with me.
A historical past of oscilloscope advancement in Vilnius
Through the Soviet era that ended in 1991, trade between the Soviet Union as well as the outside globe was largely blocked. Some check gear managed to acquire in or out but by and massive, the Soviet Union created and manufactured its own Oscilloscopes. The center of oscilloscope layout and manufacturing was, for a lot of years, in Vilnius, now the capital of Lithuania. As a result of the next pictures, we have assembled a background of oscilloscopes developing and manufactured in Vilnius, both during and after the Soviet era.
In advance of WWII: Poland
The initial electronics business in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The primary Elektrit factory was constructed in 1934 on Shepticky Street during the Naujamiestis district. In advance of WWII, this was the largest factory in Vilnius, creating and making radio receivers for civil use. It occupied ten,000m2 and had its own energy station, six assembly lines, and 1100 engineers and staff. The plant generated 54,000 radio receivers yearly at a complete price of USD one.two million.
Elektrit was nationalized in 1939, in the beginning of WWII and its tools dismantled and transported to Minsk in which a further factory was later on established. Information concerning the history of Elektrit is available in [1]. Even now, these pre-war factory buildings are in very fantastic problem, but are made use of for other purposes. The principle building on the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from your surrounding buildings.
The factory was restored at the end with the WWII when Vilnius grew to become part of the USSR as well as the capital of Soviet Lithuania. It had been turned into a plant to the Soviet Union!|s aviation field. The factory was named 555, which people today known as The Fives, and for five decades it had been the flagship of Lithuania!|s high-tech sector. The many other Lithuanian electronic companies (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) were founded afterwards with all the assistance of specialists from your 555 firm.
In March 1949, a fresh Experimental Design and style Bureau was produced with the 555 factory. The oscilloscope business became one among its major routines. In 1948, the plant's professionals created the industry's initially oscilloscope, the C1-1, with a bandwidth of 250 kHz . One year later, the plant generated a five MHz oscilloscope, the C1 2, created by Moscow Study No. 17. The primary oscilloscope made from the Experimental Style Bureau was the C1-4 in 1954. In the exact same time the plant developed 1000s of special OK- oscilloscopes that have been utilized in nuclear tests.
In 1960 the 555 factory and Investigate Institute by now existed. They built and manufactured this kind of solutions as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic medical gear. Each companies were owned by the military-industrial complex, but military applications accounted for only 25% of manufacturing. From the 1980s the corporations employed 7000 folks in complete. The turnover exceeded USD 250 million, whilst USD 80 million was created from oscilloscope production. The primary technical experts have been graduates of your country!|s greatest technical universities.
In advance of WWII: Poland
The initial electronics business in Vilnius was established in 1925. At that time, Vilnius was a provincial capital of Poland. The primary Elektrit factory was constructed in 1934 on Shepticky Street during the Naujamiestis district. In advance of WWII, this was the largest factory in Vilnius, creating and making radio receivers for civil use. It occupied ten,000m2 and had its own energy station, six assembly lines, and 1100 engineers and staff. The plant generated 54,000 radio receivers yearly at a complete price of USD one.two million.
Elektrit was nationalized in 1939, in the beginning of WWII and its tools dismantled and transported to Minsk in which a further factory was later on established. Information concerning the history of Elektrit is available in [1]. Even now, these pre-war factory buildings are in very fantastic problem, but are made use of for other purposes. The principle building on the corner of Shvitrigailos Street and T. Shevchenkos Street stands out, as ever, from your surrounding buildings.
The factory was restored at the end with the WWII when Vilnius grew to become part of the USSR as well as the capital of Soviet Lithuania. It had been turned into a plant to the Soviet Union!|s aviation field. The factory was named 555, which people today known as The Fives, and for five decades it had been the flagship of Lithuania!|s high-tech sector. The many other Lithuanian electronic companies (this kind of as Elektrografija, Lyra, Nuklonas, Venta and Vilma) were founded afterwards with all the assistance of specialists from your 555 firm.
In March 1949, a fresh Experimental Design and style Bureau was produced with the 555 factory. The oscilloscope business became one among its major routines. In 1948, the plant's professionals created the industry's initially oscilloscope, the C1-1, with a bandwidth of 250 kHz . One year later, the plant generated a five MHz oscilloscope, the C1 2, created by Moscow Study No. 17. The primary oscilloscope made from the Experimental Style Bureau was the C1-4 in 1954. In the exact same time the plant developed 1000s of special OK- oscilloscopes that have been utilized in nuclear tests.
In 1960 the 555 factory and Investigate Institute by now existed. They built and manufactured this kind of solutions as oscilloscopes, microwave measuring instruments, and pulse generators, then came ultrasonic medical gear. Each companies were owned by the military-industrial complex, but military applications accounted for only 25% of manufacturing. From the 1980s the corporations employed 7000 folks in complete. The turnover exceeded USD 250 million, whilst USD 80 million was created from oscilloscope production. The primary technical experts have been graduates of your country!|s greatest technical universities.
2014年3月17日 星期一
Development of 65% for Electronic digital Power Provides & Power ICs
International income for digital power supplys is forecast to strategy $3.3 billion in 2014 then climb to $11.eight billion in 2018, in accordance to !§The Planet Market for Digital Energy - 2014.!‥ Meanwhile, worldwide income for digital energy ICs will top $605 million in 2014, then reach $3.one billion by 2018.
!§The marketplace for digital power options is currently well-established from the server and telecommunication markets,!‥ said Jonathon Eykyn, electrical power provide and storage element analyst for IHS. !§However, IHS is now starting to see expanding adoption across a significantly broader assortment of merchandise and applications, that's driving fast growth.!‥
Digital electrical power features customers many pros above regular analog power, Eykyn mentioned, such as the reduction with the overall bill-of-materials price. This is certainly completed by consolidating the quantity of discrete components, decreasing the carbon footprint, escalating electrical power density, providing the ability to keep track of and optimize electrical power levels and procedure specifications when in operation, and speeding time for you to market for items.
For your initial time, IHS has compiled marketplace share rankings for organizations operating inside the digital power provide and digital electrical power IC markets, which are included within the report also.
Delta Electronics held the largest share of your 2013 digital energy supply market place, with an estimated ten.3% of complete field income. It was followed by Eltek and Emerson with 9.1% and 8.8% industry share, respectively.
While in the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came following, garnering 9.6% and 8.9% industry share, respectively.
!§Both the digital energy provide and digital energy IC markets stay pretty fragmented, without suppliers owning a dominant place,!‥ mentioned Eykyn. !§This signifies that competitors and innovation remain substantial as providers seek to win significant shoppers.!‥
The report contains analysis from the possibilities for AC-DC, DC-DC and DC-AC power supplies, at the same time as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by means of 2018.
!§The marketplace for digital power options is currently well-established from the server and telecommunication markets,!‥ said Jonathon Eykyn, electrical power provide and storage element analyst for IHS. !§However, IHS is now starting to see expanding adoption across a significantly broader assortment of merchandise and applications, that's driving fast growth.!‥
Digital electrical power features customers many pros above regular analog power, Eykyn mentioned, such as the reduction with the overall bill-of-materials price. This is certainly completed by consolidating the quantity of discrete components, decreasing the carbon footprint, escalating electrical power density, providing the ability to keep track of and optimize electrical power levels and procedure specifications when in operation, and speeding time for you to market for items.
For your initial time, IHS has compiled marketplace share rankings for organizations operating inside the digital power provide and digital electrical power IC markets, which are included within the report also.
Delta Electronics held the largest share of your 2013 digital energy supply market place, with an estimated ten.3% of complete field income. It was followed by Eltek and Emerson with 9.1% and 8.8% industry share, respectively.
While in the digital electrical power IC market, Texas Instruments led with an estimated 9.8%. Infineon and Powervation came following, garnering 9.6% and 8.9% industry share, respectively.
!§Both the digital energy provide and digital energy IC markets stay pretty fragmented, without suppliers owning a dominant place,!‥ mentioned Eykyn. !§This signifies that competitors and innovation remain substantial as providers seek to win significant shoppers.!‥
The report contains analysis from the possibilities for AC-DC, DC-DC and DC-AC power supplies, at the same time as AC-DC, isolated DC-DC and non-isolated DC-DC switching regulators and converters across 16 applications--with forecasts by means of 2018.
2014年3月14日 星期五
Immediate Present Power Supply Devices for Business Buildings Will Achieve $2.8 Billion in Yearly Income by 2020, Predictions Navigant Research
Deployed in commercial buildings and campus microgrids, direct current dc power supply products lowers the number of necessary conversions among alternating existing (AC) and DC energy, thereby rising the overall building energy efficiency. Since solar photovoltaic and wind energy are natively DC, the benefits of DC electrical power techniques turn out to be notably clear when taking into consideration the integration of renewable energy generation. Click to tweet: In accordance to a current report from Navigant Research, DC power provide equipment for business buildings will increase from $320 million in annual revenue in 2013 to greater than $2.eight billion in 2020.
!§Commercial buildings are more and more using substitute approaches to draw much less power from your grid, both through efficiency gains from fewer AC/DC conversions, or by means of decreasing the require for inverters by utilizing renewable or fuel cell energy sources,!‥ says Noah Goldstein, investigation director with Navigant Analysis. !§DC-based programs enable secure, higher excellent power distribution to crucial services in buildings which include protection, lighting, and environmental management programs.!‥
Although electrical power supply products types a crucial component of DC energy methods, they are really not the sole a single. The market for DC building controls and performance, such as powered and biometric door locks, security cameras and sensors, networking products such as wireless accessibility points, and actuators and controls for heating, ventilation, and air conditioning, will likely be even bigger, in accordance for the report, reaching $5 billion in yearly income by 2020.
The report, !§DC Power for Business Buildings!‥, analyzes the worldwide market place chance for DC power technologies in business buildings. 5 technological innovation classes are covered: DC making energy supply equipment, DC making controls and functionality, DC lighting, DC plug loads, and DC developing microgrid infrastructure. The report offers a comprehensive assessment on the demand drivers and barriers, trends, and technology issues related with around the world DC electrical power systems. Global market forecasts, segmented by engineering, area, and business constructing variety, extend by way of 2020. The examine also examines the requirements and regulations associated to DC energy distribution systems, and supplies in-depth profiles of critical business players. An Executive Summary of the report is accessible without spending a dime download to the Navigant Study internet site.
!§Commercial buildings are more and more using substitute approaches to draw much less power from your grid, both through efficiency gains from fewer AC/DC conversions, or by means of decreasing the require for inverters by utilizing renewable or fuel cell energy sources,!‥ says Noah Goldstein, investigation director with Navigant Analysis. !§DC-based programs enable secure, higher excellent power distribution to crucial services in buildings which include protection, lighting, and environmental management programs.!‥
Although electrical power supply products types a crucial component of DC energy methods, they are really not the sole a single. The market for DC building controls and performance, such as powered and biometric door locks, security cameras and sensors, networking products such as wireless accessibility points, and actuators and controls for heating, ventilation, and air conditioning, will likely be even bigger, in accordance for the report, reaching $5 billion in yearly income by 2020.
The report, !§DC Power for Business Buildings!‥, analyzes the worldwide market place chance for DC power technologies in business buildings. 5 technological innovation classes are covered: DC making energy supply equipment, DC making controls and functionality, DC lighting, DC plug loads, and DC developing microgrid infrastructure. The report offers a comprehensive assessment on the demand drivers and barriers, trends, and technology issues related with around the world DC electrical power systems. Global market forecasts, segmented by engineering, area, and business constructing variety, extend by way of 2020. The examine also examines the requirements and regulations associated to DC energy distribution systems, and supplies in-depth profiles of critical business players. An Executive Summary of the report is accessible without spending a dime download to the Navigant Study internet site.
Low-wattage AC-DC Medical Quality Plugs are Safety-guaranteed and Extremely Effective
Sunpower has announced its new GSM18/25/36 series of 18 W, 25 W and 36 W high efficiency health care grade AC-DC electrical power adapters. These lengthen the well-known GSM40A/60A forty W and 60 W lower wattage series of green medical adapters. Complying with global health care security regulations including the 2*MOPP Means of Patient Safety degree, these versions function an really reduced leakage present of 50 ￡gA or less, a no-load power consumption under 0.one W and also a substantial efficiency of 88%. The whole series fulfils the stringent demands of patient contact medical applications; additionally, it complies together with the hottest degree V energy-saving rules such as the European Union!|s ErP Stage two plus the USA!|s EISA 2007 (Vitality Independence and Security Act of 2007).
The GSM18/25/36 series options a total range 80-264 VAC input, utilizing a 2-pole IEC320-C8 normal plug appropriate for throughout the world mains supplies. Its output voltage choices vary from 5 to 48 VDC to suit the needs of various modest health-related units; a lock form DC plug is optional. The GSM18/25/36 designs are Class ll power units without any Frame Ground, and enclosed by UL 94V-0 plastic instances which proficiently guard users from electrical shock. These adaptors have also acquired global safety certificates per UL, CUL, TUL, CB, FCC and CE, which include the house healthcare health care regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly ensures consumer security.
The series!| regular functions include short circuit, overload, and above voltage protection and an LED indicator. The units have an operating temperature array of -25￠XC to 60￠XC, with cooling by free air convection. Common applications contain health care products requiring very low leakage recent, portable health-related tools, house healthcare units and any electrical systems having a reduced no-load electrical power consumption necessity.
!§Any products that comes directly into get in touch with with patients should obviously meet stringent safety standards!‥ mentioned Andy Wall, CEO at Sunpower Technological innovation LLP, !§and these GSM items surely do so, as attested by their complete certification. Their safety performance includes substantial efficiency operation essential with now!|s vitality expenditures and Green legislative strain, and just about every unit is backed by a 3-year guarantee.!‥
About Sunpower
Sunpower Engineering LLP is definitely the Uk arm of the Taiwanese manufacturer that also enjoys extremely robust bonds with other, remarkably experienced factories and engineers in Taiwan and China. The organization delivers a broad variety of standard, custom and bespoke power supply to businesses and organisations throughout the Uk.
Sunpower Technologies LLP can be an Authorised Distributor for Imply Very well Enterprises, offering shoppers with cost-effective and direct access to their reliable and higher quality power supplies. These items are complemented by Sunpower!|s unsurpassed degree of support, help and solution understanding.
Sunpower Technologies LLP!|s general variety of industrial and industrial energy products include DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. These are used in rugged, information storage, medical grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are really expert in generating custom design power supplies and their value added service is targeted on offering customers !￥ready to go!| products that resolve all their electrical power provide demands.
The GSM18/25/36 series options a total range 80-264 VAC input, utilizing a 2-pole IEC320-C8 normal plug appropriate for throughout the world mains supplies. Its output voltage choices vary from 5 to 48 VDC to suit the needs of various modest health-related units; a lock form DC plug is optional. The GSM18/25/36 designs are Class ll power units without any Frame Ground, and enclosed by UL 94V-0 plastic instances which proficiently guard users from electrical shock. These adaptors have also acquired global safety certificates per UL, CUL, TUL, CB, FCC and CE, which include the house healthcare health care regulation IEC/EN60601-1-11, ANSI/AAMI ES60601-1-11; this certification strongly ensures consumer security.
The series!| regular functions include short circuit, overload, and above voltage protection and an LED indicator. The units have an operating temperature array of -25￠XC to 60￠XC, with cooling by free air convection. Common applications contain health care products requiring very low leakage recent, portable health-related tools, house healthcare units and any electrical systems having a reduced no-load electrical power consumption necessity.
!§Any products that comes directly into get in touch with with patients should obviously meet stringent safety standards!‥ mentioned Andy Wall, CEO at Sunpower Technological innovation LLP, !§and these GSM items surely do so, as attested by their complete certification. Their safety performance includes substantial efficiency operation essential with now!|s vitality expenditures and Green legislative strain, and just about every unit is backed by a 3-year guarantee.!‥
About Sunpower
Sunpower Engineering LLP is definitely the Uk arm of the Taiwanese manufacturer that also enjoys extremely robust bonds with other, remarkably experienced factories and engineers in Taiwan and China. The organization delivers a broad variety of standard, custom and bespoke power supply to businesses and organisations throughout the Uk.
Sunpower Technologies LLP can be an Authorised Distributor for Imply Very well Enterprises, offering shoppers with cost-effective and direct access to their reliable and higher quality power supplies. These items are complemented by Sunpower!|s unsurpassed degree of support, help and solution understanding.
Sunpower Technologies LLP!|s general variety of industrial and industrial energy products include DIN rail power supplies, industrial power supplies, led drivers, industrial battery chargers, marine power supplies, ac adapters and plugtops, and sine wave inverters. These are used in rugged, information storage, medical grade, laboratory, EPOS and lots of other applications. Sunpower!|s engineers are really expert in generating custom design power supplies and their value added service is targeted on offering customers !￥ready to go!| products that resolve all their electrical power provide demands.
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