Question

Sampling time of 16 bit PCM system will be 32 msec if four signals are sampled at a time. The minimum channel B.W required for transmission will be_______,

• A. 1 kHz
• B. 1.5 kHz
• C. 5 kHz
• D. 2.5 kHz

Answer 1

The correct option is A 1 kHz

(c)
$T_s=nN{T}_b\Rightarrow T_b=\frac{T_s}{nN}=\frac{32\times {10}^{-3}}{16\times 4}=\frac{1}{2\times {10}^3}\sec$

$MinimumB.W=\frac{R_b}{2}=\frac{1}{2T_b}=1kHz$