What is the purpose of a sample-and-hold circuit? – McqOptions

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1.	What is the purpose of a sample-and-hold circuit?
A.	To keep temporary memory
B.	To hold a voltage constant so an ADC has time to produce an output
C.	To hold a voltage constant so a DAC has time to produce an output
D.	To hold data after a multiplexer has selected an output
Answer» C. To hold a voltage constant so a DAC has time to produce an output

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