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[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)
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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[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)/
Transcribed Image Text:[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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