The signal g(t) = 8 cos(400πt) cos(200, 000πt) + 18 cos(200, 000nt) is applied at the input of an ideal bandpass filter

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The signal g(t) = 8 cos(400πt) cos(200, 000πt) + 18 cos(200, 000nt) is applied at the input of an ideal bandpass filter

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The signal g(t) = 8 cos(400πt) cos(200, 000πt) + 18 cos(200, 000nt) is applied at the input of an ideal bandpass filter with unit gain and a bandwidth of 200 Hz centered at 100, 200 Hz. Sketch the amplitude spectrum of the signal at the output of the filter.
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