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MOSFET body diode recovery mechanism in a phase
MOSFET body diode recovery mechanism in a phase

... investigate the freewheeling and the ZVS steps. During step 2 the current freewheels into the body-drain diode D2 (see Figure 4); since this is directly biased carriers are injected in the N- epi (holes) and P body (electrons) regions of the device. Once Q2 is turned on, a portion of the total curre ...
A voltage Source Simulation Model of a Solar Cell
A voltage Source Simulation Model of a Solar Cell

... 3]. Although some researchers model the cell (array) as a voltage source [4] especially for solar battery charging studies, the representation is used without proper validation. This paper is a report on the development of a generalised voltage source model. The model was developed using published d ...
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DN159 - New 14-Bit, 800ksps ADC Upgrades

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Switched Cap Circuits Provide Efficient and

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Portable Solar Power Supply

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... When performing the analysis of electrical circuits in order to determine the phase and total impedance, the technique is the same if the trigonometric (real) expressions are used or if the complex expressions are used. When using the complex expressions, all that must be done is to take the real pa ...
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... It is no doubt that connecting the PZT elements in series can increase sensitivity of the measurement, and in the energy-harvesting literature multiple elements are almost always connected in parallel in order to reduce the optimal load resistance to a lower value and increase current. But, when a c ...
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Introduction to Instrumental Analysis and Evaluation of Data

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... power factor allowed is only 1 assume that the input voltage is 350Vrms sine-wave. However, for a programmed CF of 2.0, the PF may range from 0.608 to 0.85, for a programmed CF of 3.0, the PF may range from 0.211 to 0.6 and so on. Thus, if a higher desired power factor the lower the range of crest f ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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