b(t) = 38(t) + signals 800 sinc(100t) cos(2000t) are summed up and passed through a LTI filter with an impulse response of h(t) = 100 sinc(100t) el1900t to produce the output signal y(t). a) Sketch the magnitude spectrums of the signals |A(f)\, \B(f)\, |H(f)| and |Y(f)|. b) Using the graph of |Y(f)\, find the expression of y(t). Two a(t) = 12 cos(20xt) cos(2000rt) and

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Two
signals a(t) = 12 cos(20t) cos(2000t)
and
b(t) = 38(t) +
%3D
800 sinc(100t) cos(2000nt) are summed up and passed through a LTI filter with an
impulse response of h(t) = 100 sinc(100t) e1900t to produce the output signal
y(t).
a) Sketch the magnitude spectrums of the signals |A(f)\, |B(f)\, \H(f)| and [Y(f)|.
b) Using the graph of |Y (f)\, find the expression of y(t).
%3D
Transcribed Image Text:Two signals a(t) = 12 cos(20t) cos(2000t) and b(t) = 38(t) + %3D 800 sinc(100t) cos(2000nt) are summed up and passed through a LTI filter with an impulse response of h(t) = 100 sinc(100t) e1900t to produce the output signal y(t). a) Sketch the magnitude spectrums of the signals |A(f)\, |B(f)\, \H(f)| and [Y(f)|. b) Using the graph of |Y (f)\, find the expression of y(t). %3D
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