Question:-
A PCM system uses a uniform quatizer which has a range –V to + V and it is followed by a 7 bit binary encoder. A zero mean signal applied to the quantizer extends over its entire range and has uniform probability density the ratio of the signal power to the quantization nose power at the output of the quantizer is (Take log10 2 »0.3)
Option (A)
14 dB
Option (B)
28 dB
Option(C)
42 dB
Option(D)
56 dB
Correct Option:
(C)
question-answer-faq-2032