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Q1. Consider a message signal m(t) = 20 cos(2Ħt) and a carrier signal c(t)=50 cos (100 z t), both in volts. (1) Find and sketch the resulting AM waveform for 75% modulation (DSB-TC) (2) Sketch the spectrum of this AM wave. (3) show and write down the bandwidth of the AM wave. (4) Find the total power dissipated across a load of 1 2 for the modulated signal.

Q1. Consider a message signal m(t) = 20 cos(2Ħt) and a carrier signal c(t)=50 cos (100 z t), both in volts. (1) Find and sketch the resulting AM waveform for 75% modulation (DSB-TC) (2) Sketch the spectrum of this AM wave. (3) show and write down the bandwidth of the AM wave. (4) Find the total power dissipated across a load of 1 2 for the modulated signal.

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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Q1. Consider a message signal m(t) = 20 cos(2Tt) and a carrier signal c(t)=50 cos (100 z t), both in volts. (1) Find and sketch the resulting AM waveform for 75% modulation (DSB-TC) (2) Sketch the spectrum of this AM wave. (3) show and write down the bandwidth of the AM wave. (4) Find the total power dissipated across a load of 1 Q for the modulated signal.
Transcribed Image Text:Q1. Consider a message signal m(t) = 20 cos(2Tt) and a carrier signal c(t)=50 cos (100 z t), both in volts. (1) Find and sketch the resulting AM waveform for 75% modulation (DSB-TC) (2) Sketch the spectrum of this AM wave. (3) show and write down the bandwidth of the AM wave. (4) Find the total power dissipated across a load of 1 Q for the modulated signal.
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