Home Work:For each of the baseband signals: (1) m(t cos 1000rr; (i m(t) = 2 cos 1000rt +sin 2000r r: (i) m() cos 1000mtcos 3000mr, do the following(a) Sketch the spectrum of m(t).(b) Sketch the spectrum of the DSB-SC signal m(t) cos 10,000t.(e) Identify the upper sideband (USB) and the lower sideband (LSB) spectra.(d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC,USB, and LSB spectra. Explain the nature of frequency shifting in each case.

Answered: Image /qna-images/answer/9dfd48c0-682e-49c0-a701-d1e4d474e802.jpg

Home Work: For cach of the baseband signals: (6) m(t) - cos 1000rr; (i) m(t) = 2cos 1000rr + sin 2000rr; (iii) m(t) cos 1000rrcos 3000t, do the following (a) Sketch the spectrum of m(t). (b) Sketch the spectrum of the DSB-SC signal mit) cos 10.000xr. (e) Identify the upper sideband (USB) and the lower sideband (LSB) spectra. (d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC, USB, and LSB spectra. Explain the nature of frequency shifting in each case.

Home Work: For cach of the baseband signals: (6) m(t) - cos 1000rr; (i) m(t) = 2cos 1000rr + sin 2000rr; (iii) m(t) cos 1000rrcos 3000t, do the following (a) Sketch the spectrum of m(t). (b) Sketch the spectrum of the DSB-SC signal mit) cos 10.000xr. (e) Identify the upper sideband (USB) and the lower sideband (LSB) spectra. (d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC, USB, and LSB spectra. Explain the nature of frequency shifting in each case.

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...

See similar textbooks

Similar questions

Consider only the coupling and by-pass capacitors in the following circuit. (No parasitic capacitor effects) - +Vcc Rc3.9k2 Rp. 1MQ +V Ce2 RL 6.2 Rg. Vg RE For the BJT, B=200 (Vr=25.9mV) (You will not need value of Vcc) Assume Ic=1.2mA for DC. Magnitude response of A,(s)=Vo/Vg is plotted partly below. 40 9 30 20 10 0- - 10 -20 -30 -40 101 102 frequency 103 104 105 [Hz] Examine the curve to determine important gain, frequency and slope values to answer the following: a) Calculate the value of R, (Hint; Use medium frequency AC gain). b) Determine low-frequency poles and/or zero of A,(s)=vo/Vg to calculate values of Ce1, C2 and CĘ. c) Complete the magnitude response curve of A,(5)=v/vg. Indicate important gain, frequency and slope values on your curve. (Redraw the curve roughly on a paper by showing the missing part as well) IMPORIANT: BELOW you should upload photo(s) of your solution notes for THIS problem (If you upload it somewhere else, it will not be valid). 20 log |Av [dB]
Q1 Consider an amplitude modulated signal u(t) = [10+ 4 cos 2000nt + 10 cos 4000nt] cos 2nfct where fc = 105Hz. (a) Express and plot the spectrum of u(t). (b) Determine the power in the sidebands, the total power, and the ratio of the sidebands' power to the total power.
A random signal with a random phase is given as in the following. The phase has a uniform distribution. Computecorrelation function and power spectral density of the random variable X (t).
A carrier signal is amplitude modulated by a sinusoid. The resulting AM equation is: VAM = 20sin[21(800x10³)t] + 8sin[21(800.6x103)t] + 8sin[2n(799.4x10³)t] a) What is the equation of the modulating signal? b) Sketch the AM wave and label the maximum and minimum voltage c) Calculate the bandwidth of the AM signal d) Calculate the power dissipated by the AM signal to a 75-ohm load
Question 7: The signal x(t) = =2 cos(60nt) +3 cos(100nt) is sampled at S = 120 Hz. a. Find the minimum number N of samples necessary to prevent leakage. b. Find the frequency spacing (resolution). C. Determine the amplitude values of the DFT.
A signal with real components at 25, 70, 160 and 510 Hz is sampled at 100 Hz. represent the magnitude spectrum?
For given BJT, B=200. The applied input frequency is 20 Mhz and net internal capacitance is 100 pF. What is the CE short circuit current gain at ẞ cut-off frequency?
(a) For each of the following signals, determine and sketch its magnitude spectrum. i. x[n] = 0.258[n] sin 0.25 an πη ii. x[n] = 0.28[n] + [n-2] +0.28[n - 4] iii. x[n] = 1 + sin n (b) Determine the N-point DFT coefficients of the following signal for N = 8. Describe the relation between the DFT coefficients and DTFT of the signal. 1.0 w● N 0 -1.0 03 6 x[n]
Problem 1: The frequency modulated signal is expressed as = 10 cos (2n fet + 2n fa m(a)da ² ST where fe fa = 50 Hz/V. c(t) = 10 MHz. The modulating signal is m(t) = 10 cos (27 fmt), where fm = 5 KHz. Consider that Consider that the above FM signal xe(t) is narrowband and converted to a wideband using a frequency multiplier with n = 25. d) Calculate the peak frequency deviation (in Hz) and the carrier frequency of the wideband FM. . e) Calculate Carson's bandwidth of the wideband FM?
text only else downvote
given a descrete signal x[n]={...0,10,8,6,4,2,0,...} find even component and odd component
Q2. The modulating signal that is the input into an FM modulator is m(t)=2cos(10*pi*t)a) Express the time domain expression of u(t) signal.b) Express FM signal in terms of Bessel functions.c) Sketch the frequency spectrum of the modulated signal.