Q4: Choose the correct answers for the follow 1- Which of the following analogue modulation scheme requires the minimum transmitted power and minimum channel bandwidth: a) VSB b) DSB c) SSB d) AM 2- Consider the frequency modulated signal 10 cos[2m x 105t + 5 sin(2m x 1500t) + 7.5 sin(2 x 1000t)] with carrier frequency of 10' Hz. The modulation index is : a) 12.5 b) 10 c) 7.5 d) 5

Q4: Choose the correct answers for the follow 1- Which of the following analogue modulation scheme requires the minimum transmitted power and minimum channel bandwidth: a) VSB b) DSB c) SSB d) AM 2- Consider the frequency modulated signal 10 cos[2m x 105t + 5 sin(2m x 1500t) + 7.5 sin(2 x 1000t)] with carrier frequency of 10' Hz. The modulation index is : a) 12.5 b) 10 c) 7.5 d) 5

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

Q4: Choose the correct answers for the following:
1- Which of the following analogue modulation scheme requires the minimum transmitted
power and minimum channel bandwidth:
a) VSB
b) DSB
c) SSB
d) AM
2- Consider the frequency modulated signal 10 cos[2m x 10³t + 5 sin(2m x 1500t) +
7.5 sin(2 x 1000t)] with carrier frequency of 10' Hz. The modulation index is :
a) 12.5
b) 10
c) 7.5
d) 5

= Fill the blanks of the following:
1- The main methods of AM generation are.....
- The best case of modulation index (m) value when m ......
and
1.
- The bandwidth of FM modulation can be divided in to two types
The disadvantages of the balanced slope detector is.
.and......

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