### Find and sketch the spectrum of the information signal

Assignment Help Electrical Engineering
##### Reference no: EM13284176

An AM system has a carrier frequency of 20 kHz and carrier amplitude 10.
m(t) = Sa (4000πt)

(a) Find and sketch the spectrum of the information signal. What is the bandwidth of the information signal (choose an appropriatedefinition for the bandwidth in each case)?
(b) Write a time-domain expression for the modulated carrier.Include all known information.
(c) Find and sketch the spectrum of the modulated carrier. What is the bandwidth of the modulated carrier.
(d) Use MATLAB to plot the modulated carrier.

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