UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Assignment 1
Subjects:
Reading:
Review of Signals and Systems
Chapters 2-3
Problem 1.1 Energy of signals
Problems 2.1-2 in Lathi and Ding
Problem 1.2 Ener
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EEITE 33.50 — Communications Systems
Solutions 4 — Amplitude Modulation
Subjects: Amplitude Modulation
Reading: ChaEtcr 4
Solution 4.1
(i) m. (t) = cos wmt = cos Enfmt = cos 1000116. -—* f
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Solution 2 Fourier Series and Signal Operations
Subjects:
Fourier Series
Reading:
Chapter 3
Solution 2.1
Note that a scaling of g(at) will change the sign
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Solution 1 Signals and Systems
Subjects:
Reading:
Solution 1.1
Energy, Power, Signals, and Systems
Chapter 2
(b)
Solution 1.2
(a)(b), we can write
Solutio
4.2.43
/(a) We use the ring moduiator of Figure 458. with the carrier frequency f; 2 100 kHz (m 2 200a x 103) and tﬁ’
output bandpass ﬁlter centered at fc = Sfx m 500 kHz. The output vat) is:
um) 2: :1; {mm cos(w1t) ~ émﬂ) cos (3911:} + %m(t)cos(5w1t)
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Assignment 5 Amplitude Modulation
Subjects:
Review of Fourier Transform and Fourier Series
Reading:
Chapters 4 and 5
Problem 5.1
Problem 4.2-4 in Lathi an
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Assignment 5 Amplitude Modulation
Subjects:
Reading:
Amplitude Modulation
Chapter 4
Problem 4.1
Solve the problem Problem 4.2-1 (in Lathi and Ding) for th
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Assignment 6 PLL/FM/Sampling
Subjects:
Reading:
Sampling
Chapter 6
Problem 6.1
Problem 4.8-1 in Lathi and Ding
Problem 6.2
Problem 4.2-9 in Lathi and Ding
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
Subjects:
Reading:
EE/TE 3350 Communications Systems
Assignment 3
Fourier Series and Signal Operations
Chapters 4
Problem 3.1 Fourier Transform
Problems 3.1-2 in Lathi and Ding
Problem 3.2
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Assignment 2
Subjects:
Reading:
Fourier Series and Signal Operations
Chapters 3
Problem 1.1 Signal Operations
Problems 2.3-2 in Lathi and Ding
Problem 1.2
UNIVERSITY OF TEXAS AT DALLAS
Department of Electrical Engineering
EE/TE 3350 Communications Systems
Solution 3 Fourier Transform and Filtering
Subjects:
Fourier Transform and Filtering
Reading:
Chapter 4
Solution 3.1
Solution 3.2
Solution 3.3
Solution 3.