2/5 A sinusoidal message signal with frequency fm is applied to an FM modulator with modulation index B=3. Let the carrier be given by c(t) =10cos(27 f!). a. Find the effective bandwidth of the modulated signal. b. Determine how many harmonics should be selected to contain 75% of the modulated signal power. c. The output of the FM modulator is passed through an ideal bandpass filter centered at fe with bandwidth k.f, where k is some constant number. If k = 3, plot the spectrum of the output of the ideal bandpass filter. Also, determine the power at the filter output. Following Bessel function values may be useful: n 1 3 4 5 Jn (3) - 0.260 0.339 0.486 0.309 0.132 0.043 2.

2/5 A sinusoidal message signal with frequency fm is applied to an FM modulator with modulation index B=3. Let the carrier be given by c(t) =10cos(27 f!). a. Find the effective bandwidth of the modulated signal. b. Determine how many harmonics should be selected to contain 75% of the modulated signal power. c. The output of the FM modulator is passed through an ideal bandpass filter centered at fe with bandwidth k.f, where k is some constant number. If k = 3, plot the spectrum of the output of the ideal bandpass filter. Also, determine the power at the filter output. Following Bessel function values may be useful: n 1 3 4 5 Jn (3) - 0.260 0.339 0.486 0.309 0.132 0.043 2.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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