Assignment 2 (CLO2-C2-PLO2)
DR. SHURJEEL WYNE
EEE351 Principles of Communication Systems (FA 2024)
COMSATS University Islamabad
Electrical and Computer Engineering Department
SUBMISSION DEADLINE: TUESDAY OCTOBER 22, 2024 (START OF LECTURE)
SUBMIT YOUR HANDWRITTEN SOLUTIONS TO THE FOLLOWING PROBLEMS
PART 1
End-of-chapter exercises from BP Lathi textbook (3rd edition):
1. Chapter 4: 4.3-2, 4.3-3, 4.3-4, 4.5-1
PART 2
2. (i) Describe the operation of a Superheterodyne receiver and give block diagram of RF chain
for this receiver, naming the different parts.
(ii) Explain the role of frequency mixer in above Superheterodyne receiver? Draw circuit
diagrams for two frequency mixer circuits clearly labeling where input signals applied, and
from where output signal is obtained?
Note: your answer to Question 2 must not exceed 2.5 A4-size pages, and total number of
figures should not exceed 04. make sure not to copy each other's answers.
