Problem 2. Based on the figure below, which represents the spectrum of a DSB-LC signal, find the following. P(@) 47 2n -1200 -1100 -1000 -900 -800 800 900 1000 1100 1200° (a) What is the carrier and message signal frequencies in rad/sec. (b) Find the value of modulation index. (c) What is the message signal m(t). (d) Sketch the modulated signal in time domain p(t) and label the maximum and minimum of the waveform. (e) Calculate the average power for both the carrier (P) and side bands (P,). (f) Find the modulation efficiency (µ)
Problem 2. Based on the figure below, which represents the spectrum of a DSB-LC signal, find the following. P(@) 47 2n -1200 -1100 -1000 -900 -800 800 900 1000 1100 1200° (a) What is the carrier and message signal frequencies in rad/sec. (b) Find the value of modulation index. (c) What is the message signal m(t). (d) Sketch the modulated signal in time domain p(t) and label the maximum and minimum of the waveform. (e) Calculate the average power for both the carrier (P) and side bands (P,). (f) Find the modulation efficiency (µ)
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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Transcribed Image Text:Problem 2.
Based on the figure below, which represents the spectrum of a DSB-LC signal, find the following.
P(@)
-1200 -1100 -1000 -900
-800
800 900 1000 1100
1200
(a) What is the carrier and message signal frequencies in rad/sec.
(b) Find the value of modulation index.
(c) What is the message signal m(t).
(d) Sketch the modulated signal in time domain p(t) and label the maximum and minimum of the waveform.
(e) Calculate the average power for both the carrier (P) and side bands (P).
(f) Find the modulation efficiency (u)
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