Question: 3 . Pulse Code Modulation ( PCM ) A continuous data signal is quantized and transmitted using PCM system. If each data sample at the

3 .

Pulse Code Modulation

(

PCM

)

A continuous data signal is quantized and transmitted using PCM system. If each data sample at the receiving end of the system must be known to within

0.125 %

of the peak

-

-

peak full scale value. a

.

How many binary symbols must each transmitted digital word contain? b

.

Assume that the message signal is speech for telephone, which has a bandwidth of

4

KHz

.

What is the minimum sampling rate per second without aliasing effect for this PCM system?

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