Communication Systems - Engineering

Q1:

In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor.

A 8/6

B 12

C 16

D 8

ANS:C - 16

Given n1 = 6, n2 = 8, then (SNR)Q = 22(n2 - n1)  16.