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You are asked to design a DSB-SC modulator to generate a modulated signal Acm(t) cos wet with the carrier frequency fc= 300 kHz (wc= 2n x 300,000). The following equipment s available in the stockroom: A sinewave generator of frequency 100 kHz , A ring modulator and A bandpass filter with the tuning ranges from 100 kHz to 500 kHz a) Show how you can generate the desired signal b) Explain how to tune the bandpass filter c) If the output of the modulator must be 400. M(t)cost wet, what should be the amplifier gain to be used on the input m(t) to obtain the desired modulator output signal amplitude?

You are asked to design a DSB-SC modulator to generate a modulated signal Acm(t) cos wet with the carrier frequency fc= 300 kHz (wc= 2n x 300,000). The following equipment s available in the stockroom: A sinewave generator of frequency 100 kHz , A ring modulator and A bandpass filter with the tuning ranges from 100 kHz to 500 kHz a) Show how you can generate the desired signal b) Explain how to tune the bandpass filter c) If the output of the modulator must be 400. M(t)cost wet, what should be the amplifier gain to be used on the input m(t) to obtain the desired modulator output signal amplitude?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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You are asked to design a DSB-SC modulator to generate a modulated signal A.m(t) cos Wct with the carrier frequency fc= 300 kHz (wc= 2n x 300,000). The following equipment is available in the stockroom: A sinewave generator of frequency 100 kHz , A ring modulator and A bandpass filter with the tuning ranges from 100 kHz to 500 kHz a) Show how you can generate the desired signal b) Explain how to tune the bandpass filter c) If the output of the modulator must be 400. M(t)cost wet, what should be the amplifier gain to be used on the input m(t) to obtain the desired modulator output signal amplitude?
Transcribed Image Text:You are asked to design a DSB-SC modulator to generate a modulated signal A.m(t) cos Wct with the carrier frequency fc= 300 kHz (wc= 2n x 300,000). The following equipment is available in the stockroom: A sinewave generator of frequency 100 kHz , A ring modulator and A bandpass filter with the tuning ranges from 100 kHz to 500 kHz a) Show how you can generate the desired signal b) Explain how to tune the bandpass filter c) If the output of the modulator must be 400. M(t)cost wet, what should be the amplifier gain to be used on the input m(t) to obtain the desired modulator output signal amplitude?
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