Q3) The output signal from an AM modulator is x(t) = 10 cos(1700nt) + 40 cos(2000rt) + 10 cos(2300rt) %3D a) Determine the modulating signal m(t) and the carrier signal c(t). b) Determine the modulation index. c) Compute the power efficiency(n).

Q3) The output signal from an AM modulator is x(t) = 10 cos(1700nt) + 40 cos(2000rt) + 10 cos(2300rt) %3D a) Determine the modulating signal m(t) and the carrier signal c(t). b) Determine the modulation index. c) Compute the power efficiency(n).

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter1: Residential Workplace Safety

Section: Chapter Questions

Problem 14RQ

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Q3) The output signal from an AM modulator is
x(t) = 10 cos(1700nt) + 40 cos(2000nt) + 10 cos(2300t)
%3D
a) Determine the modulating signal m(t) and the carrier signal c(t).
b) Determine the modulation index.
c) Compute the power efficiency(n).

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