A message signal is given by m(t) = 2cos(2mf;t) + 4 cos(2mf2t) where fi= 1 kHz and fi=2 kHz. The signal modulates an SSB modulator with a carrier requency of f.= 10 kHz. a) Sketch the spectrum of m(t) and that of the corresponding DSB-SC signal p(t) = 2m(t) cos(2nf.t). b) Sketch the spectrum of the lower sideband (LSB) signal. Write the mathematical expression of the LSB signal.

A message signal is given by m(t) = 2cos(2mf;t) + 4 cos(2mf2t) where fi= 1 kHz and fi=2 kHz. The signal modulates an SSB modulator with a carrier requency of f.= 10 kHz. a) Sketch the spectrum of m(t) and that of the corresponding DSB-SC signal p(t) = 2m(t) cos(2nf.t). b) Sketch the spectrum of the lower sideband (LSB) signal. Write the mathematical expression of the LSB signal.

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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