In a standard amplitude modulation, determine the modulation index that provides a transmitted signal such as shown in the figure below.. s(t) Transmitted signal - Oscilloscope 1.5 0.5 V O -0.5 -1 -1.5 -2 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 us O a. m = 0 O b. m < 1 c. m > 1 O d, m 1

In a standard amplitude modulation, determine the modulation index that provides a transmitted signal such as shown in the figure below.. s(t) Transmitted signal - Oscilloscope 1.5 0.5 V O -0.5 -1 -1.5 -2 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 us O a. m = 0 O b. m < 1 c. m > 1 O d, m 1

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Amplitude modulation

A radio signal can carry information in the form of sound or image for broadcasting or communication. For it to be sent to a greater distance, the signal must be changed or modulated in some way. One of the easiest way is to change the amplitude of the signal with variations of the video or the audio signal. This is called Amplitude Modulaton. In this modulation information of message is carried in amplitude of carrier signal.

Question

In a standard amplitude modulation, determine the modulation
index that provides a transmitted signal such as shown in the figure
below..
s(t) Transmitted signal - Oscilloscope
2.
1.5
0.5
-0.5
-1
-1.5
-2
0.
0.2
0.4
0.6
0.8
1.2
1.4
1.6
1.8
O a.
m = 0
O b. m < 1
O c. m > 1
O d, m = 1
10

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