An audio signal whose mathematical description is m(t) = 20 cos(2л × 1000t) modulates a carrier described as sc(t) = 60 сos (2π × 150000t). a) Determine the modulation index and percentage of modulation. b) Derive the mathematical expression of the modulated waveform showing the carrier band and sidebands, if Full AM modulation scheme is used. c) Sketch the time domain modulated waveform and its equivalent frequency domain magnitude spectrum showing all spectral amplitudes, if Full AM modulation scheme is used.

An audio signal whose mathematical description is m(t) = 20 cos(2л × 1000t) modulates a carrier described as sc(t) = 60 сos (2π × 150000t). a) Determine the modulation index and percentage of modulation. b) Derive the mathematical expression of the modulated waveform showing the carrier band and sidebands, if Full AM modulation scheme is used. c) Sketch the time domain modulated waveform and its equivalent frequency domain magnitude spectrum showing all spectral amplitudes, if Full AM modulation scheme is used.

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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