Q.1- For this signal,Find the complex exponential Fourier series.X(t) = 5 cos 30Tt - 8 sin 20t +7Q.2- For AM-DSB-LC signal which is represented byXc(t) = 3 [ 4+ 2 cos (2n-10°t)] cos (2r -10°t),Find:-1- The value of modulation index. a =2- The efficiency of the system. E=4- Draw the D.S.B. amplitude spectrum.

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Q.1- For this signal, Find the complex exponential Fourier series. X(t) = 5 cos 30Tt - 8 sin? 20Tt +7

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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Question

Q.1- For this signal,
Find the complex exponential Fourier series.
X(t) = 5 cos 30Tt - 8 sin 20t +7
Q.2- For AM-DSB-LC signal which is represented by
Xc(t) = 3 [ 4+ 2 cos (2n-10°t)] cos (2r -10°t),
Find:-
1- The value of modulation index. a =
2- The efficiency of the system. E=
4- Draw the D.S.B. amplitude spectrum.

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