An SSB-AM signal is generated by modulating an 800 kHz carrier by the signalm (t) = cos 2000nt +2 sin 2000nt. The amplitude of the carrier is A. = 100.1. Determine the signal îm (t).2. Determine the (time-domain) expression for the lower sideband of the SSB-AMsignal.3. Determine the magnitude spectrum of the lower-sideband-SSB signal.

For any signal x(t), the Hilbert transform of x(t) can be obtained by introducing a phase shift of…

Answered: An SSB-AM signal is generated by…

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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D E F
A. Suppose that a modulated signal x(t) is created by taking a baseband signal and mixing it with a 250 Hz cosine signal, resulting in the passband spectrum X(f) shown below. Suppose that the modulated signal x(t) is mixed with a 200 Hz cosine signal c(t). The spectrum of the 200 Hz cosine is shown below as C(f). (Please look at the picture.) Which of the spectra above is the spectrum of the after mixing x(t) and c(t)? (Please pick among the choices in the picture) ============================================= B. Please look at the 2nd picture. Need help. Thank you.
Given that the maximum and minimum values of the envelope of an AM modulated sinusoidal signal are 3.5 V and 0.9 V, respectively, what would be the modulation index? Note that there is no over-modulation in this case.
Q 2 :J An audio signal given by 15sin(4000pi * t) + 20sin(8000pi * t) amplitude modulated(DSB-FC) a sinusoidal carrier wave 60sin(100, 000pi * t) a. Derive an expression for the modulated signal. b. Find the modulation index. c. Find the spectrum of the modulated signal. d. Sketch the spectrum of the modulated signal e. Which type of demodulation method you propose to reconstruct the audio at receiver. Why? to
digital communicationA signal was represented using Bipolar RZ with a bandwidth of 40 kHz, then thebandwidth will be …………. If Bipolar NRZ was used.
all 4
A sequence of alternating 1s and 0s is transmitted as a square wave. What is the fundamentalfrequency and how many harmonics can be used if the available BW is 100 MHz and a data rate of 56Mbps is desired? Express the signal as a mathematical function of time (s(t)) and sketch the resultingsignal in both the time and frequency domains. Is this a “good enough” representation of the squarewave? Why or why not?
(1-4) A sinusoid of the frequency 2100 Hz is sampled at the rate 8/7 samples per baseband cycle. (a) In time domain, draw one cycle of this sinusoid, the corresponding samples, and the reconstructed signal. What is the frequency of the reconstructed signal? (b) In frequency domain, draw this sinusoid, the corresponding samples, and the reconstructed signal. ?. (1-5) The signal r(t) = 100 sin(100)+75c(100m) in
Q- A carrier wave of frequency 2.5 GHz amplitude is modulated with two modulated with two modulating frequencies equal to 1 KHz and 2 KHz. Find the total bandwidth that the modulated wave will have.
Please provide a complete solution. Thank you.
Plot an AM modulated signal , that has an information signal m ( t ) = 10 sin ( 10nt ) and a carrier signal c ( t ) = 15 cos ( 1000nt ) . Calculate the modulation index ( u ) . Is it a good modulation ? If no , suggest a change in one of the signals above and calculate u again , so that it approaches ideal case

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