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An AM transmitter is modulated with an audio testing signal given by m(t) = 0.2 sin v1t + 0.5 cos ω2t, where Assume that the AM signal is fed into a 50-Ω load.
(a) Sketch the AM waveform.
(b) What is the modulation percentage?
(c) Evaluate and sketch the spectrum of the AM waveform.
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