Sketch the spectrum of modulator output of impulse function

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Reference no: EM13272444

An AM modulator is operation with an index of 0.4. The modulation input is:

m(t) = 4cos (3πfmt) + 2cos (5πfmt) + 4cos (7πfmt)
What is the efficiency of the modulator?
Sketch the spectrum of the modulator output showing the weights of all impulse functions?

Reference no: EM13272444

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