A signal m1(t) is band limited to 3.6 kHz and three other signals - m2(t), m3(t), m4(t) are band limited to 1.2 kHz each. These signals are to be transmitted by mean of time -division multiplexing (TDM)

1. Setup a scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nquist rate.

2. What must be the speed of the commutator (in samples per second) ?

Fundamentals of Communication 2014

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