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A periodic square wave m(t) (shown below) frequency-modulates a carrier of frequency fc=10kHz with f=1kHz . the carrier amplitude is A . The resulting FM

A periodic square wave m(t) (shown below) frequency-modulates a carrier of frequency fc=10kHz with Δf=1kHz . the carrier amplitude is A . The resulting FM signal is demodulated , as shown below . sketch the waveform at point b,c,d and e .

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