DIPLOMA PROGRAMME : DIPLOMA IN ELECTRONICS ENGINEERING
PROGRAMME CODE : DELNE
SEMESTER : FOURTH
COURSE TITLE : ANALOG COMMUNICATION
COURSE CODE : 233EX41
I. TEACHING AND EXAMINATION SCHEME
TEACHING SCHEME EXAMINATION SCHEME
FA-TH Based on LL & TL Based on Self-
(MST) learning
Practical
PAPER SA-TH (ESE) TOTAL TOTAL
CL TL LL Self- CR FA-PR (CA) SA-PR
HRS SLA MARKS
learning (PR/OR)
Max Max Min Max Min Max Min Max Min Max Min
3 - 2 - 2.5 3 30 70 28 100 40 25 10 25 10 - - 150
II. COURSE OBJECTIVE
To teach students facts, concepts and principles of analog communication system. To make
students study different techniques used in transmitter and receiver in communication systems. To
make student well versed in the prerequisites for further studies in advanced communication.
III. COURSE OUTCOMES (COS)
Students will be able to achieve the following COS on completion of course based learning
• CO1- Identify concepts of different analog communication techniques.
• CO2- Understand fundamentals working of different modulation /demodulation used in
communication.
• CO3- Analyze performance of various techniques in transmitter and receiver.
IV. COURSE CONTENTS WITH SPECIFICATION TABLE
SECTION - I
Unit & R U A
Topics/Sub-topics Hrs Marks COS
Sub-Unit Level Level Level
1 Introduction 3 5
Block Diagram of communication system, Need of 40 40 20
1.1 1 2 1
modulation
Types of Electronics communication system,
Simplex, Duplex, Full Half 40 40 20
1.2 1 2 1
The Electromagnetic Spectrum ((Different bands
and their Frequencies)
1.3 Concepts of bandwidth. 1 1 1 40 40 20
2 Amplitude Modulation and Demodulation 10 15
Basic Definition, Modulation index, its significant,
2.1 2 2 1, 2 40 40 20
simple Numerical.
Mathematical representation of amplitude
Modulated Wave and its meaning (Concept of Side
2.2 2 3 1, 2 40 40 20
Bands). Representation of AM signal in time and
frequency domain.
2.3 Bandwidth of AM wave, Simple numerical 1 2 1, 2 35 35 30
Different Types of AM Modulator and 1, 2,
2.4 3 6 3 30 30 40
Demodulator
Single Side Band, Double Side Band, and Its 1, 2,
2.5 2 2 3 30 30 40
Application
3 Frequency Modulation and Demodulation 11 15 40 40 20
3.1 Definition, Deviation Ratio 2 2 40 40 20
3.2 Mathematical representation of Frequency
Modulated Wave and its meaning. Representation
3 5 40 40 20
of FM signal in time and frequency domain.
Bandwidth in FM
3.3 Concepts of Pre emphasis and De-emphasis 2 2 35 35 30
3.4 Different Types of FM Modulator and Demodulator 4 6 30 30 40
SECTION - II
Unit & R U A
Topics/Sub-topics Hrs Marks CO
Sub-Unit Level Level Level
4 Radio Receiver 8 12 30 30 40
4.1 Introduction to radio Receiver 1 2 1, 2 40 40 20
Characteristics of Radio Receiver – Sensitivity,
4.2 selectivity and fidelity tunes radio receiver and its 1 2 2, 3 30 30 40
limitation.
AM Receiver: - Superheterodyne receiver- block
4.3 diagram, working, RF section and characteristics 3 4 2, 3 20 20 60
Intermediate frequency and IF amplifier
AM detector:- Simple diode detector, automatic gain
4.4 3 4 2, 3 25 25 50
control(AGC) its need and types.
5 Pulse Communication 6 9 35 35 30
Introduction, Comparison with Continuous wave
5.1 1 1,2 40 40 20
modulation
Sampling Theorem, Nyquist rate, aliasing ,natural
5.2 2 1,2 40 40 20
and flat top sampling.
PAM, definition, generation, block diagram wave
5.3 1 1,2 40 40 20
form analysis
PWM, definition, generation, block diagram wave
5.4 1 1,2 40 40 20
form analysis
PPM definition, generation, block diagram wave
5.5 1 1,2 40 40 20
form analysis
Antenna wave propagation and data
6 10 14
communication
6.1 Antenna fundamentals, radio waves, polarization 2 4 2,3 40 40 20
Antenna Parameter: Radiation pattern, directivity,
Gain , Effective radiated power, Antenna aperture,
6.2 2 2 2,3 40 40 20
antenna reciprocity, Antenna Intensity, Radiation
resistance
6.3 Basic Antenna: Half wave Dipole, Folded dipole 2 2 2,3 40 40 20
Type of propagation: Ground Wave, Ionosphere,
6.4 sky wave, space wave, Type of propagation: 2 4 2,3 40 40 20
Ground Wave, Ionosphere, sky wave, space wave,
Data communication concepts, Concept of
6.5 2 2 2,3 40 40 20
MODEM
V. LIST OF PRACTICALS/ASSIGNBMENTS/TUTORIALS
Sr. Practical/Assignment/Tutorial Title No. of Relevant
No. Hours COS
1 Study AM/FM signal using Arbitrary Function Generator 2 1
2 Generation of AM signal using BJT Amplifier. 2 1,2
3 To study Generation of AM signal using balanced modulator 2 1,2,3
IC AD633N
4 To study Demodulation of AM signal using peak detector 2 1,2,3
5 To study generation of FM signal using timer IC 2 1,2,3
6 To study generation of FM signal using timer VCO IC 2 1,2,3
7 To demodulate FM signal using PLC IC 2 2,3
8 To study selectivity of VCO IC 2 2,3
9 To study BJT as a mixer of different wave. 2 2,3
10 To study generation of PAM signal 2 1,2,3
11 To study generation of PWM signal 2 1,2,3
12 To study generation of PPM signal 2 1,2,3
13 To measure the directivity of radiation pattern of yagi uda 2 1,2,3
antenna.
14 To plot the directional pattern of a antenna 2 1,2,3
VI. ASSESMENTS METHODOLOGIES /TOOLS
Formative assessment (Assessment for Learning)
• Tutorials
• Midterm Test Exam
• Self-learning
• Term Work
• Seminar/Presentation
Summative Assessment (Assessment of Learning)
• End Term Exam
• Micro-project/Assignments
• Tutorial Performance
VII. SUGGESTED COS-POS MATRIX FORM
Programme
Specific
Programme Outcomes (POs)
Outcomes*
(PSOs)
Course PO-5
Outcomes PO-1 Basic Engineering
(COs) PO-7
and PO-2 PO-3 Design/ PO-4 Practices for
PO-6 Project Life PSO- PSO- PSO-
Discipline Problem Development Engineering Society,
Management Long 1 2 3
Specific Analysis of Solutions Tools Sustainability
Learning
Knowledge and
Environment
CO1 3 1 1 1 - 2 3 2 1 1
CO2 2 3 3 1 - 1 3 1 2 1
CO3 3 2 2 1 2 1 3 1 1 2
Legends :- High:03, Medium:02,Low:01, No Mapping: -
VIII. SUGGESTED LEARNING MATERIALS TEXTBOOKS/REFRENCE
BOOKS/WEBSITES
No Author Title Publisher
th
1. George Kennedy and Davis Electronics Communication System 4 Edition , Tata McGraw-Hill
2 Louis E. Frenzel Communication Electronics 4th Edition , Tata McGraw-Hill
4th Edition , Prentice Hall India
3 Roddy & Collen Electronics Communication
Pvt. Ltd.
4. Wayne Tomasi Electronics Communication System 5th Edition Pearson Education
Fundamental Through Advanced
5. Hsu & Mitra Analog & Digital Communication 1st Edition , Tata McGraw-Hill
Curriculum Coordinator Head of the Department Dean Diploma
BOS VJTI Approval Dt. 01/08/2023
