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CMOS VLSI
CMOS VLSI

IOSR Journal of Electrical and Electronics Engineering (IOSRJEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSRJEEE)

... existing system but also the potentially huge number of incident states, and, 2.) the problem of visualizing not just the impact of a solitary proposed power transfer but of a great number of such transactions. Johan Driesen et al. [10] have discussed the model of an flexible energy measurement syst ...
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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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