A sampled data acquisition sys

A sampled data acquisition system is being used to digitize an audio signal. Assume the sample frequency FS is 20 kHz. Determine the output frequency that will be heard for each of the following input frequencies.

(a)*Input signal = 5kHz

(b)*Input signal = 10.1kHz

(c) Input signal = 10.2kHz

(d) Input signal = 15kHz

(e) Input signal = 19.1kHz

(f) Input signal = 19.2kHz

 

Indicate whether each of the following statements refers to the digitalramp ADC, the successive-approximation ADC, or both.

(a) Produces a staircase signal at its DAC output

(b) Has a constant conversion time independent of VA

(c) Has a shorter average conversion time

(d) Uses an analog comparator

(e) Uses a DAC

(f) Uses a counter

(g) Has complex control logic

(h) Has an EOC output

 

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