Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
1. a. For a baseband signal m(t) = = cos wmt = cos 27 fint, Find the DSB-SC signal and sketch its spectrum. Identify the USB and LSB. b. For each of the baseband signal: (i) sketch the spectrum m(t), (ii) sketch the spectrum of the DSB-SC signal m(t)cos 10,000rtt, (iii) Identify the USB and LSB. (i) m(t) (iii) m(t) = = cos 1000r t; (ii) m(t) = cos 1000 i cos 300071, с. You are asked to design a DSB-SC modulator to generate a modulated signal km(t) cos (wet+0), where m(t) is a signal band-limited to B Hz. Figure P4.2-4 shows a DSB-SC modulator available in the stock room. The carrier generator available generates not cos wet, but cos wct. Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. (a) What kind of filter is required in Fig. P4.2-3? (b) Determine the signal spectra at points b and c, and indicate the frequency bands occupied by these spectra. io What is the minimum usable value nf ? M(f) m(t) km(t) cos wt Filter cos w.i B (a) (ь)

1. a. For a baseband signal m(t) = = cos wmt = cos 27 fint, Find the DSB-SC signal and sketch its spectrum. Identify the USB and LSB. b. For each of the baseband signal: (i) sketch the spectrum m(t), (ii) sketch the spectrum of the DSB-SC signal m(t)cos 10,000rtt, (iii) Identify the USB and LSB. (i) m(t) (iii) m(t) = = cos 1000r t; (ii) m(t) = cos 1000 i cos 300071, с. You are asked to design a DSB-SC modulator to generate a modulated signal km(t) cos (wet+0), where m(t) is a signal band-limited to B Hz. Figure P4.2-4 shows a DSB-SC modulator available in the stock room. The carrier generator available generates not cos wet, but cos wct. Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. (a) What kind of filter is required in Fig. P4.2-3? (b) Determine the signal spectra at points b and c, and indicate the frequency bands occupied by these spectra. io What is the minimum usable value nf ? M(f) m(t) km(t) cos wt Filter cos w.i B (a) (ь)

Introductory Circuit Analysis (13th Edition)
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
icon
Related questions
Question

Solve B part only.

1. a. For a baseband signal m(t) : = cos wm! = cos 2n fnt, Find the DSB-SC signal and sketch its spectrum. Identify the USB and LSB. b. For each of the baseband signal: (i) sketch the spectrum m(t), (ii) sketch the spectrum of the DSB-SC signal m(t)cos 10,000nt, (iii) Identify the USB and LSB. (i) m(t) (iii) m(t) = cos 1000ni cos 300071, - cos 1000x t; (ii) m(t) с. You are asked to design a DSB-SC modulator to generate a modulated signal km(t) cos (@et+0), where m(t) is a signal band-limited to BHz. Figure P4.2-4 shows a DSB-SC modulator available in the stock room. The carrier generator avaiłable generates not cos wet, but cos wet. Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. (a) What kind of filter is required in Fig. P4.2-3? (b) Determine the signal spectra at points b and e, and indicate the frequency bands occupied by these spectra. (ol What ie the minimum ueable value of . ? |M(S) m(t) km(t) cos .i Filter cos w̟t B B (a) (b}
Transcribed Image Text:1. a. For a baseband signal m(t) : = cos wm! = cos 2n fnt, Find the DSB-SC signal and sketch its spectrum. Identify the USB and LSB. b. For each of the baseband signal: (i) sketch the spectrum m(t), (ii) sketch the spectrum of the DSB-SC signal m(t)cos 10,000nt, (iii) Identify the USB and LSB. (i) m(t) (iii) m(t) = cos 1000ni cos 300071, - cos 1000x t; (ii) m(t) с. You are asked to design a DSB-SC modulator to generate a modulated signal km(t) cos (@et+0), where m(t) is a signal band-limited to BHz. Figure P4.2-4 shows a DSB-SC modulator available in the stock room. The carrier generator avaiłable generates not cos wet, but cos wet. Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. (a) What kind of filter is required in Fig. P4.2-3? (b) Determine the signal spectra at points b and e, and indicate the frequency bands occupied by these spectra. (ol What ie the minimum ueable value of . ? |M(S) m(t) km(t) cos .i Filter cos w̟t B B (a) (b}
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
RTD
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS