Part A B C|A) What will happen to a propagating signal when the interconnect has frequency-dependentlosses?B) What is the characteristic that is required in a signal for the even harmonics to be at nearlyzero?C) What is the feature that changes in a signal if its bandwidth is decreased?D) If there is –10 dB attenuation in an interconnect, but it is flat with frequency, what will happento the rise time of the signal as it propagates through the interconnect? To the signalamplitude?

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Answered: A) What will happen to a propagating…

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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A DSB-SC modulated signal is demodulated by applying it to a coherent detector. Evaluate the effect of a frequency error ∆f in the local carrier frequency of the detector, measured with respect to the carrier frequency of the incoming DSB- SC signal. b) For the case of a sinusoidal modulating wave, show that because of this frequency error, the demodulated signal exhibits beats at the error frequency. Illustrate you answer
A given FM transmitter is modulated with a single sinusoid, the output for no load power is 100W into 50Ω resistive load. Then, the frequency of the modulating signal is carefully adjusted from zero until the modulated carrier encountered its zero amplitude as observed in spectrum analyzer. Under these conditions, determine the: (Use the provided Bessel table) a. the modulation index and the number of significant sideband b. total power on its significant sidebands. c. relative total power of the carrier and each of sideband. Ans. (a) Mf =2.4, N=5; (b) 99.86 W; b Pc=0W, P1=27.04W, P2=18.49W, P3=4W, P4=0.36W, P5=0.04W
A DSB-SC modulated signal is demodulated by applying it to a coherent detector. (a) Evaluate the effect of a frequency error Δƒ in the local carrier frequency of the detector, measured with respect to the carrier frequency of the incoming DSB-SC signal. (b) For the case of a sinusoidal modulating wave show that because of this frequency error, the demodulated signal exhibits beat at the error frequency. Illustrate your answer with a sketch of this demodulated signal.
A given FM transmitter is modulated with a single sinusoid, the output for no load power is 100W into50Ω resistive load. Then, the frequency of the modulating signal is carefully adjusted from zero untilthe modulated carrier encountered its zero amplitude as observed in spectrum analyzer. Under theseconditions, determine the: (Use the provided Bessel table)a. the modulation index and the number of significant sideband. b. total power on its significant sidebands. c. relative total power of the carrier and each of sideband. Ans. (a) Mf =2.4, N=5; (b) 99.86 W; b Pc=0W, P1=27.04W, P2=18.49W, P3=4W,
1. Select the correct statement(s) regarding amplitude modulation (AM). a. If the AM Index is greater than 1 (i.e., µAM>1), then over modulation occurs leading to signal distortion b. With AM, the message is captured as amplitude changes to the carrier’s amplitude. c. The AM modulated carrier bandwidth is dependent upon the baseband signal’s frequency bandwidth d. All of the above are correct 2. What is true about the frequency bandwidth of a modulated electrical or electromagnetic (EM) signal? a. signal bandwidth is only determined by the frequency of the unmodulated carrier wave b. modulation technique and the amount of information transmitted determines the signal’s bandwidth c. only the baseband signal determines frequency bandwidth; i.e., modulation technique has no impact on bandwidth d. a and c are true 3.Regarding carrier modulation, identify the carrier signal variable(s)…
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A) What will happen to a propagating signal when the interconnect has frequency-dependent losses?