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For the message signal spectrum Fm(f) and the system given below, answer the following. ( fc >> B ) a) Find the Fourier transform of f2(t). ( F2(f) = ? ) b) Sketch the amplitude spectrum of f2(t), ( |F2(f)| ). c) Can this system be used as a modulator for DSB-SC AM (Double Side-Band Suppressed Carrier Amplitude Modulation). If so, explain how it can be used? What is the smallest value for fc for this purpose?

For the message signal spectrum Fm(f) and the system given below, answer the following. ( fc >> B ) a) Find the Fourier transform of f2(t). ( F2(f) = ? ) b) Sketch the amplitude spectrum of f2(t), ( |F2(f)| ). c) Can this system be used as a modulator for DSB-SC AM (Double Side-Band Suppressed Carrier Amplitude Modulation). If so, explain how it can be used? What is the smallest value for fc for this purpose?

Introductory Circuit Analysis (13th Edition)
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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For the message signal spectrum Fm(f) and the system given below, answer the following. ( fc >> B )

a) Find the Fourier transform of f2(t). ( F2(f) = ? )
b) Sketch the amplitude spectrum of f2(t), ( |F2(f)| ).
c) Can this system be used as a modulator for DSB-SC AM (Double Side-Band Suppressed Carrier Amplitude Modulation). If so, explain how it can be used? What is the smallest value for fc for this purpose?

For the message signal spectrum Fm(f) and the system given below, answer the following. ( f. >> B ) Fm(f) fm(t) fi(t) square-law element f:(t) = [fi(t)]? -B B f cos(2af.t) a) Find the Fourier transform of f2(t). ( F2(f) = ? ) b) Sketch the amplitude spectrum of f2(t), ( |F2(f)| ). c) Can this system be used as a modulator for DSB-SC AM (Double Side-Band Suppressed Carrier Amplitude Modulation). If so, explain how it can be used? What is the smallest value for fe for this purpose?
Transcribed Image Text:For the message signal spectrum Fm(f) and the system given below, answer the following. ( f. >> B ) Fm(f) fm(t) fi(t) square-law element f:(t) = [fi(t)]? -B B f cos(2af.t) a) Find the Fourier transform of f2(t). ( F2(f) = ? ) b) Sketch the amplitude spectrum of f2(t), ( |F2(f)| ). c) Can this system be used as a modulator for DSB-SC AM (Double Side-Band Suppressed Carrier Amplitude Modulation). If so, explain how it can be used? What is the smallest value for fe for this purpose?
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