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Comparative Analysis of CMOS OTA
Comparative Analysis of CMOS OTA

... Transconductance amplifiers (OTA‟s) are important building blocks for various analog circuits and systems. The best suited component for design of modern OTA is CMOS devices which has less power requirements. CMOS provides the highest analog-digital on-chip integration. As the feature size of CMOS p ...
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A Single Board No-Tuning 23
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Undergraduate Admissions & College of Engineering
Undergraduate Admissions & College of Engineering

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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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