3. () Find the power efficiency=% A DSB-C AM system has a carrier frequency of350 kHz with 4 volts amplitude. Let the messagesignal be a single sinusoid as followsm(t) = 2 × cos(25 × 10° rt)If the modulation index is u = 0.2 at thetransmitter and envelope detection is used atthe receiver, answer the following:1.Find the DSB-C transmitted signalin the time domain.s(t) =cos(x10, πί)+cos(x10° tt)+x10' πί )cos(2.Find the transmission bandwidth.B =kHz

DSB is the way to analyze the modulation system. . DSB-AM is the same as DSB but has the advantage…

Answered: 1. Find the DSB-C transmitted signal in…

1. Find the DSB-C transmitted signal in the time domain. s(t) x10° tt)+ cos( cos( x10° t)+ x10° rt) cos( x10³, 2. Find the transmission bandwidth. B = kHz %D

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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Concept explainers

Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

A DSB-C AM system has a carrier frequency of
350 kHz with 4 volts amplitude. Let the message
signal be a single sinusoid as follows
m(t) = 2 × cos(25 × 10° rt)
If the modulation index is u = 0.2 at the
transmitter and envelope detection is used at
the receiver, answer the following:
1.
Find the DSB-C transmitted signal
in the time domain.
s(t) =
cos(
x10, πί)+
cos(
x10° tt)+
x10' πί )
cos(
2.
Find the transmission bandwidth.
B =
kHz

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