• Discussion:1. Define modulation.2. Explain why modulation is necessary or desirable.3. Define:a) The circuit that causes one signal to modulate another, and give thenames of the two signals applied to this circuit.b) What is the name given to the new signals generated by the modulationprocess.4. Are these statements true or false. Explain your answera) The carrier frequency is usually lower than the modulating frequency.b) The carrier frequency remains constant during AM.c) The carrier of an AM signal contains information.5. Explain why the modulation is linear in amplitude modulation system.6. Explain the reason for making the modulation index (m) less than unity inDSB_LC modulation.7. What percentage of the total power in an AM signal is in the carrier,one sideband, and both sidebands.8. Write the trigonometric expression for a sine wave carrier signal.

As per Bartleby guidelines we are supposed to solve only answer one question or maximum of three…

1. Define modulation. 2. Explain why modulation is necessary or desirable. 3. Define: a) The circuit that causes one signal to modulate another, and give the names of the two signals applied to this circuit. b) What is the name given to the new signals generated by the modulation process.

1. Define modulation. 2. Explain why modulation is necessary or desirable. 3. Define: a) The circuit that causes one signal to modulate another, and give the names of the two signals applied to this circuit. b) What is the name given to the new signals generated by the modulation process.

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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Question

• Discussion:
1. Define modulation.
2. Explain why modulation is necessary or desirable.
3. Define:
a) The circuit that causes one signal to modulate another, and give the
names of the two signals applied to this circuit.
b) What is the name given to the new signals generated by the modulation
process.
4. Are these statements true or false. Explain your answer
a) The carrier frequency is usually lower than the modulating frequency.
b) The carrier frequency remains constant during AM.
c) The carrier of an AM signal contains information.
5. Explain why the modulation is linear in amplitude modulation system.
6. Explain the reason for making the modulation index (m) less than unity in
DSB_LC modulation.
7. What percentage of the total power in an AM signal is in the carrier,
one sideband, and both sidebands.
8. Write the trigonometric expression for a sine wave carrier signal.

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