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Assume that voice signals (300 Hz to 3000 Hz) are sampled at frequencies f = 8 KHZ. (a) It is assumed that the Pam

Assume that voice signals (300 Hz to 3000 Hz) are sampled at frequencies f = 8 KHZ. (a) It is assumed that the Pam signal is pulsed using a Raised Cosine Filter with a roll-off argument of r-0.3. Find the minimum bandwidth of the system that allows PAM signals to be detected without ISI.. (b) Assuming quantizing PAM samples to 256 levels, find the minimum bandwidth of the system that allows binary PCM signals to be received without ISI.

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