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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The modulating signal that is the input into an FM modulator is m(t)=2cos(10??).a) Express the time domain expression of ?(?) signal.b) Express FM signal in terms of Bessel functions.c) Sketch the frequency spectrum of the modulated signal.d) Determine the bandwidth of ?(?) occupies 98% of the total power (Carson Rule) in the acquired spectrum.e) Determine the condition of required bandwidth of ideal BPF if at least 80% of the total power appears at the output of the filter?
Write the equation for the Power Spectral Density of the filtered signal ?
For an Armstrong indirect FM transmitter with the crystal carrier oscillating at 210 kHz, the crystal reference oscillating at 10.2 MHz, the sideband voltage is 0.018 V, the carrier input voltage to the combiner is 5V, the first and second multipliers are both 40, and the modulating signal frequency is 2 kHz, determine: a.) modulation index at the output of the combining network and the power amplifier; b.) frequency deviation at the same two points; and c.) the transmit carrier frequency.
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
The SNRi of an FM transmitter is determined to be 24.093dBV. Solve for the peak frequency deviation caused by the noise if the transmitter sensitivity is determined to be 368.903Hz/V, and a modulating signal of 13.926V and the modulating index is kept at 4
What are the relative amplitudes of the fourth pair of sidebands for an FM signal with a deviation ratio of 8?
Calculate the first two pairs of sidebands for an FM signal, if the carrier frequency is 107MHz, and modulating signal frequency is 3kHz
H.W A) An amplitude modulated signal has a carrier frequency 10KHZ. The upper sideband is transmitted at 11KHZ. plot the frequency spectrum and determine the Bandwidth required for the AM signal? B) compute the Signal Energy
What is the bandwidth of a narrowband FM signal generated by a 2 kHz audio signal and 110 MHz FM carrier?
A 162-MHz carrier is deviated by 12 kHz by a 2-kHz modulating signal. The maximum deviation of an FM carrier with a 2.5-kHz signal is 4 kHz. Compute the bandwidth occupied by the signal, by using the conventional method and Carson’s rule. Sketch the spectrum of each signal, showing all significant sidebands and their exact amplitude.
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)…
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,

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