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An audio signal Xt is to be transmitted over an RF channel It is required that the destination signal to noise ratio be 50 dB Assume the following characteristics for the channel and the baseband

An audio signal X(t) is to be transmitted over an RF channel. It is required that the destination signal-to-noise ratio be >50 dB. Assume the following characteristics for the channel and the baseband signal:

Power loss in the channel = 60 dB

Noise 

And

Calculate the bandwidth and average transmitter power requirements

for:

(a) DSB modulation;

(b) AM with 100% modulation;

(c) PM with kp = 3;

(d) FM with a deviation ratio of 5.

Jul 29 2020 View more View Less

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