22: Suppose you have the following modulated signal with the output way hanges of ± 5.5 Vp: Vum (t) =15sin(27600×10³ )t – 4.25cos(27490×10' )t +3.75cos(27460 Сompute: 1- Calculate the modulation coefficient and percent modulation. 2- Calculate the peak amplitude of the modulated carrier, upper and low frequency voltages

22: Suppose you have the following modulated signal with the output way hanges of ± 5.5 Vp: Vum (t) =15sin(27600×10³ )t – 4.25cos(27490×10' )t +3.75cos(27460 Сompute: 1- Calculate the modulation coefficient and percent modulation. 2- Calculate the peak amplitude of the modulated carrier, upper and low frequency voltages

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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Q2. An FM transmitter is modulated with a single tone A, cos (2nA2t) and a carrier amplitude of A, volt. The output resistive load for no modulation is A, N and the modulation constant k, = A5 Hz / volt. For the given parameters, determine the following: 1- The average power in all sidebands. 2- The carrier power if the amplitude of modulating signal is reduced by 5 volts.
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1-Given the block diagram of Figure 1, if the modulation index m were equal to zero, what would be the output vout(t) of the modulator?
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