Program : Diploma in Electronics / Electronics & Communication Engineering
Course Title: Principles of Electronic
Course Code :3042
Communication
Semester :3 Credits: 3
Course Category: Program Core
Periods per week: 3(L:2 T:1 P:0) Periods per semester:45
Course Objectives:
To introduce the concept of electronic communication.
To introduce the principle of amplitude modulation, frequency modulation, pulse
modulation schemes.
To summarize the working principles and role of antennas in communication.
To summarize the working principles of transmitters and receivers.
Course Prerequisites:
Course
Topic Course name Semester
code
Active and passive components. Fundamentals of
Electrical and Electronics 2
Power, rms values, peak values. Engineering
Integration, differentiation, trigonometry
and mathematical representation of Mathematics I & II 1&2
signals.
Amplifiers, Oscillators and Switching
Electronic Circuits 3
circuits
Course Outcomes:
On completion of the course, the student will be able to:
Duration
COn Description Cognitive level
(Hours)
Solve for various parameters of Amplitude Modulation
CO1 (AM) and Frequency Modulation (FM) techniques 11 Applying
from the given signal parameters
Explain pulse modulation techniques and role of
CO2 11 Understanding
antennas in communication.
CO3 Explain the working of AM and FM transmitters. 11 Understanding
Illustrate the working principle of AM and FM
CO4 10 Understanding
receivers.
Series Test 2
CO – PO Mapping:
Course
PO1 PO2 PO3 PO4 PO5 PO6 PO7
Outcomes
CO1 3
CO2 2
CO3 2
CO4 2
3-Strongly mapped, 2-Moderately mapped, 1-Weakly mapped
Course Outline:
Module Duration
Description Cognitive Level
Outcomes (Hours)
Solve for various parameters of Amplitude Modulation (AM) and
CO1
Frequency Modulation (FM) techniques from the given signal parameters
M1.01 Classify modulation techniques 1 Understanding.
Interpret modulation parameters of different
M1.02 5 Understanding.
AM techniques
Derive the expression for modulated signals
M1.03 3 Understanding.
and frequency spectrum of FM
Solve for modulation index, bandwidth and
M1.04 power for various modulation schemes for 2 Applying
given signal parameters
Contents:
Concept of modulation.
Amplitude Modulation: Definition, Expression of AM wave, Modulation index, AM
wave representation, Bandwidth and power calculation, Frequency spectrum of AM,
DSBSC, SSB and VSB.
Frequency Modulation: Definition, Mathematical representation of FM, Modulation
index, Frequency spectrum of FM.
Comparison of AM and FM, Applications of AM and FM.
Explain pulse modulation techniques and role of antennas in
CO2
communication.
M2.01 Explain the concept of sampling. 4 Understanding.
Compare various pulse modulation
M2.02 4 Understanding.
techniques.
Explain the role of antennas in
M2.03 3 Understanding.
communication system.
Series Test – I 1
Contents:
Sampling:Sampling theorem and its significance.
Pulse Modulation Schemes: PAM, PWM, PPM, PCM.
Antennas: physical concepts of radiation of electromagnetic wave, radiation
pattern,Antenna parameters, Microwave Antennas, Microstrip antennas and its applications.
CO3 Explain the working of AM and FM transmitters.
Explain the working of radio transmitters (AM
M3.01 5 Understanding
and FM).
M3.02 Illustrate AM modulator circuits. 3 Understanding
Explain noises in communication
M3.03 3 Understanding
Systems.
Contents:
AM transmitter: AM Transmitter - low level and high level, AM collector modulator,
Balanced modulator
FM transmitter: FM Transmitter(Armstrong method), Pre-Emphasis and De-Emphasis
circuits
Noise: Definition, Types of noises - External and Internal, Signal to noise ratio
CO4 Illustrate the working principle of AM and FM receivers.
M4.01 Define the characteristics of radio receiver 2 Remembering
M4.02 Explain the working of radio receiver 6 Understanding
M4.03 Illustrate AM demodulator circuit with AGC 2 Understanding
Series Test – II 1
Contents:
Characteristics of radio receiver - selectivity, sensitivity, fidelity and noise figure.
Superhetrodyne receiver, AM receiver(block diagram only), choice of IF in receivers , FM
receiver(block diagram only), comparison of FM and AM receiver
AM demodulator circuit: diode detector, simple and delayed AGC.
Text/Reference:
T/R Book Title/Author
T1 Electronic Communication Systems – George Kennedy – TMH
T2 Electronic communications - Roddy and Coolen – PHI
R1 Electronic Communication Systems - Frank R Dungan - 3rd Edition – Thomson
R2 Electronic Communication Systems - Wayne Thomasi.
R3 Communication Systems(Analog and Digital) – Sanjay Sharma
R4 Principles of Electronic Communications –Pradeep Kumar Ghosh
Online Resources:
Sl.No Website Link
1 https://nptel.ac.in/courses/117/105/117105143/
2 https://www.slideshare.net/bhavyaw/noise-13468777
