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Interfacing to the Analog World
What is the purpose of a sample-and-hold circuit?
To keep temporary memory
To hold a voltage constant so an ADC has time to produce an output
To hold a voltage constant so a DAC has time to produce an output
To hold data after a multiplexer has selected an output
Correct Answer:
To hold a voltage constant so an ADC has time to produce an output
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Interfacing to the Analog World
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