Let an analog voltage signal a(t) be multiplied by the impulse sampling waveform

Question

Let an analog voltage signal a(t) be multiplied by the impulse sampling waveform s (t) to give the impulse-sampled voltage signal a (t) = a(t) x s (t). Let the sampling frequency be fs = 5,000 Hz and let the signals a(t) and s (t) be given by a(t)= 20sinc(2000t), s (t)= (t-mTs) The signal a (t) is then input to the circuit below, in which R = 200 and C = 1.061(10)-7 F, to produce the voltage signal b(t): Do the following: Plot the spectrum |A (f)| over 0 f 22,000 Hz. Plot the spectrum |B(f)| over 0 f 22,000 Hz.

Explanation / Answer

http://www.eas.uccs.edu/wickert/ece2610/lecture_notes/ece2610_chap3.pdf

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