Find appropriate values of sampling rate - nyquist rate , Electrical Engineering

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1. Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000Πt cos 4000Πt (b)

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A binary channel with bit rate 36000 bps is available for PCM voice transmission. Find appropriate values of the sampling rate, the number of quantizing levels, and the binary digits, assuming a maximum frequency of 3.2 kHz.


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