power electronics
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Transformerless LED Driver Circuit for Reliable Low Cost LED Bulb Designs
LED bulbs are said to be 80% more efficient than other conventional lighting options like fluorescent and incandescent bulbs.… |
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Mechanically powered Emergency Flashlight
Flashlight or Torch is very useful in emergency situations like power failure. These flashlights are battery-operated, and we… |
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What is Bleeder Resistor and where it is used?
Bleeder resistors are standard high value resistors which are used to discharge the capacitor in filter circuit. The… |
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Diode Clipper Circuits: Design & Demonstration
As the name suggests, Clipper circuit is used to “clip” a portion of input signal without distorting the remaining part of the… |
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How to Measure Current with an Oscilloscope
Measuring current is a simple task – all you need to do is hook up a multimeter to the circuit you want to measure and the… |
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Galvanic Isolation – Signal Isolation and Power Isolation
An average household microwave oven operating at 110/220V AC can produce upto 2800V inside it, which is… |
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New 500W-650W AC-DC Power Supplies for Medical Devices Including BF Applications
XP Power released PBR500 and PBR650 series, two new ranges of AC-DC power supplies that provide BF class insulation for… |
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Mains Power Supply Failure Alarm Circuit
Although there are inverters and generators to immediately start the AC power supply whenever there is a power cut but sometime… |
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Transimpedance Amplifier - Current to Voltage Converter
To explain in simple words a Transimpedance amplifier is a converter circuit which converts the input current to a… |
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4-20mA Current Loop Tester using Op-Amp as Voltage to Current Converter
Sensors are an integral part of any measurement system as they help in converting the real world parameters into electronic… |
