Problem 4:In this question, we will consider a nonlinear method for generating AM signals.Consider the system in the figure.x(t)y(t)g(t)->m(t)NonlinearFilterDeviceAcos(@ct)Assume that the nonlinear device has the input-output relationship of the formy(t) = a1x(t) + azx²(t). Assume that the message is normalized, i.e. Im(t)| < 1,and it has a bandwidth of "W".(a) Write the equation for y(t).(b) Describe the filter that yields an AM signal for g(t). Give the necessary filter typeand the frequencies of interest. (Center frequency, cutoff frequency).(c) Write the equation for g(t).(d) Find a condition on a, and az such that the signal generated, g(t), is notovermodulated. Problem 3:Based on the following block diagram answer the following questions.m,(0)b(t)c(1)-20kHz20kHz+m(1)a(t)4cos(105nt)4cos(60000rt)-10kHz10kHz(a) Sketch the amplitude spectra of the signals a(t), b(t), and c(t) in the block diagram,respectively. Label the amplitude spectra of the frequency axis.(b) Determine the bandwidths of the signals (t), b(t), and c(t) , respectively.(c) Design and sketch the block diagram of the receiver that will recover signals, m, (t)and m2 (t) from the modulated signal c(t). Specify the type and the cutofffrequency for every filter you use in your design, give the specifications for anyother component you might use.

Answered: Image /qna-images/answer/e977787f-dcf8-484f-baa3-8e29b57ef54a.jpg

Problem 4: In this question, we will consider a nonlinear method for generating AM signals. Consider the system in the figure. т(t) x(t) Nonlinear y(t) Filter g(t) -> Device Acos(wct) Assume that the nonlinear device has the input-output relationship of the form y(t) = a,x(t) + azx²(t). Assume that the message is normalized, i.e. Įm(t)| < 1, and it has a bandwidth of "W". (a) Write the equation for y(t). (b) Describe the filter that yields an AM signal for g(t). Give the necessary filter type and the frequencies of interest. (Center frequency, cutoff frequency). (c) Write the equation for g(t). (d) Find a condition on a, and a2 such that the signal generated, g(t), is not overmodulated.

Problem 4: In this question, we will consider a nonlinear method for generating AM signals. Consider the system in the figure. т(t) x(t) Nonlinear y(t) Filter g(t) -> Device Acos(wct) Assume that the nonlinear device has the input-output relationship of the form y(t) = a,x(t) + azx²(t). Assume that the message is normalized, i.e. Įm(t)| < 1, and it has a bandwidth of "W". (a) Write the equation for y(t). (b) Describe the filter that yields an AM signal for g(t). Give the necessary filter type and the frequencies of interest. (Center frequency, cutoff frequency). (c) Write the equation for g(t). (d) Find a condition on a, and a2 such that the signal generated, g(t), is not overmodulated.

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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