In a tdm communication example, 15 voice signals are badlimited to 5khz and transmitted simultaneously using pam. what is a preliminary estimate for the required system bandwidth?

(a) 10 khz
(b) 75 khz
(c) 80 khz
(d) 160 khz
(e) none of the above.

Option D

160 kHz

Explanation:

Since we must use at least one synchronization bit, total message signal is 15+1=16

The minimum sampling frequency, fs=2fm=2(5)=10 kHz

Bandwith, BW required is given by

BW=Nfs=16(10)=160 kHz

explanation:

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answer:

explanation:

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