Q. 71 A speed signal, band limited to 4 kHz and peak voltage varying between +5 V and -5 V, is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits.
If the bits 0 and 1 are transmitted using bipolar pulses, the minimum bandwidth required for distortion free transmission is
(A) 64 kHz
(B) 32 kHz
(C) 8 kHz
(D) 4 kHz
Answer: B
Explanation:
