B.TechSemester 52022-23Analog And Digital CommunicationKEE058

Analog And Digital Communication (KEE058) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Analog And Digital Communication Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 5

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Analog And Digital Communication (KEE058) — extracted question text

Section AAttempt all questions in brief. 2 x 10 = 20

a
Draw the block diagram of communication channel
b
Define modulation index in Amplitude modulation wave
c
How noise effect on the Amplitude modulation (AM) wave?
d
Define bandwidth in Angle modulated signal
e
Explain the nyquist criteria for sampling
f
Write the advantages of pulse amplitude modulation
g
Explain the types of digital modulation technique
h
Explain bit rate and bandwidth of FSK (i) Write the advantages of time division multiplexing. (j) Define entropy in information theory

Section BAttempt any three of the following: 10 x 3 = 30

a
Briefly explain about the Super‐heterodyne receiver and its advantages
b
What is frequency modulation? Expl ain mathematical representati on of frequency modulation
c
Explain generation and detection methods of pulse amplitude modulation
d
Draw the block diagram of BPSK t ransmitter. Explain balanced ri ng modulator of BPSK
e
Give brief introduction about time division multiplexing? Expla in synchronous and asynchronous TDM

Section CAttempt any one part of the following: 10 x 1 = 10

a
With the help of diagram explain generation and detection of SSB-SC wave
b
What is the basic concept of mu ltiplexing? Explain frequency di vision multiplexing (FDM) hierarchy system
a
Explain the generation of FM wav e using indirect method and slo p detectorfor demodulation
b
Drive the mathematical expression of wide band frequency modula tion using Bessel function
a
What is delta modulation? Explain working of adaptive delta modulation with proper block diagram
b
Explain the generation and demodulation of pulse width modulation (PWM)?
a
Explain briefly about the transmitter and receiver of FSK with neat and clean diagram
b
Discuss about the 8-bit QAM transmitter.For an 8bit-PSK system, operating with an information bit rate of 24kbps, determine (a) baud, (b) minimum bandwidth, and (c)bandwidth efficiency
a
What should be the desirable feature of a T1 carrier system? Ex plain PCM-TDM system
b
Design a binary Huffman code for a discrete source having seven independent symbols having probabilities 0.25, 0.25, 0.125, 0.125, 0.125, 0 .0625 and 0.0625 respectively. Also, calculate the efficiency of this code

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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📘 Analog & Digital Communication — Unit-wise SyllabusBEE058 AKTU 3rd Year Syllabus AKTU 3rd Year PYQs — All Branches ELECTRICAL 3rd Year Syllabus EEE 3rd Year Syllabus