Expression for bandwidth of PCM

Q.  The expression for bandwidth BW of a PCM system, where v is the number of bits per sample and fm is the modulating frequency, is given by
- Published on 04 Nov 15

a. BW ≥ vfm
b. BW ≤ vfm
c. BW ≥ 2 vfm
d. BW ≥ 1/2 vfm

ANSWER: BW ≥ vfm

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