Q. 72 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.
Assuming the signal to be uniformly distributed between its peak to peak value, the signal to noise ratio at the quantizer output is
(A) 16 dB
(B) 32 dB
(C) 48 dB
(D) 4 kHz
Answer: C
Explanation: