Question: Q 4 . A periodic square wave m ( t ) ( shown below ) fequency - modulates a carrier of frequency f c =

Q4. A periodic square wave m(t)(shown below) fequency-modulates a carrier of frequency fc=10kHz with f=1kHz. The carrier amplitude is A. The resulting FM signal is demodulated, as shown below. Sketch the waveforms (in time-domain) at point b, c, d, and e.
(b)
Q 4 . A periodic square wave m ( t ) ( shown

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