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Counter Type ADC and Flash Type ADC

The number of...

Question

The number of comparisons carried out in a $4 -$ bit flash-type A/D converter is

A

3

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B

16

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C

4

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D

15

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Solution

The correct option is D $15$
Number of commparators
$= 2^{N} - 1 = 2^{4} - 1 = 15$

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