[Q1] If the signal 4 cos 4750mt Volt is used to modulate 12 cos 245600nt Volt carrier via theDSB-LC technique. (a) Draw the spectrum of the output. Find (b) the total transmittedpower, (c) the USB frequency, (d) the transmission efficiency[Q2] Answer the following: (a) Explain the effect of the value of μ on the modulation qualityof AM-DSB-LC. (b) Explain the frequency conversion of the carrier.[Q3] Two baseband signals m₁ (t) and m₂ (t) are to be multiplexed through the system shownbelow. Sketch signal spectra at points R, S, T, U and Y.QMQ245B-4B -3BBMXF)M₂(f)3B4B 5Bm₂(t)Avond2 cos 278Bsnamrol2 cos 275 BHPEf=9B Hz Tpints)/

As per Bartleby guideline we need to answer the first question only. Kindly repost the rest…

[Q1] If the signal 4 cos 4750Tt Volt is used to modulate 12 cos 245600nt Volt carrier via the DSB-LC technique. (a) Draw the spectrum of the output. Find (b) the total transmitted power, (c) the USB frequency, (d) the transmission efficiency. noire)

[Q1] If the signal 4 cos 4750Tt Volt is used to modulate 12 cos 245600nt Volt carrier via the DSB-LC technique. (a) Draw the spectrum of the output. Find (b) the total transmitted power, (c) the USB frequency, (d) the transmission efficiency. noire)

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

100%

[Q1] If the signal 4 cos 4750mt Volt is used to modulate 12 cos 245600nt Volt carrier via the
DSB-LC technique. (a) Draw the spectrum of the output. Find (b) the total transmitted
power, (c) the USB frequency, (d) the transmission efficiency
[Q2] Answer the following: (a) Explain the effect of the value of μ on the modulation quality
of AM-DSB-LC. (b) Explain the frequency conversion of the carrier.
[Q3] Two baseband signals m₁ (t) and m₂ (t) are to be multiplexed through the system shown
below. Sketch signal spectra at points R, S, T, U and Y.
QM
Q2
45B
-4B -3B
B
MXF)
M₂(f)
3B
4B 5B
m₂(t)
Avond
2 cos 278Bs
namrol
2 cos 275 B
HPE
f=9B Hz T
pints)/

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1) Compared to AM, frequency modulation (FM) is known for it's: a. efficient bandwidth utilization. b. efficient noise cancellation. c. efficient against channel non-linearity. d. both b and c.
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