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Measurement, Conversion and Control - Technical MCQs

Q1:

A sample-and-hold circuit consists of _________.

A an op-amp, an analog switch, and an inductor

B an op-amp, an analog switch, and a capacitor

C two op-amps, an analog switch, and a variable resistor

D two op-amps, an analog switch, and a capacitor

ANS:D - two op-amps, an analog switch, and a capacitor

There should be one op-amp only.