Question: Question # 6 : A message signal m ( t ) is normalized to peak voltages of + - 1 V . The average message

Question #

6

A message signal

m (t)

is normalized to peak voltages of

+ - 1 V .

The average message power equals

120

.

To transmit this signal by binary PCM without compression, uniform quantization is adopted. To achieve a required SNR of at least

39

,

determine the minimum number of bits required to code the uniform quantizer. Determine the actual SNR obtained with this newly designed uniform quantizer.

Question # 6 : A message signal m ( t ) is

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