Course Name : Electrical and Electronics Engineering Group
Course Code : EE/EP/ET/EJ/EN/EX/IE/IS/IC/DE/ED/EI/IU/MU
SUBJECT TITLE : Applied Electronics Subject Code: 9064
Semester : Fourth
Teaching and Examination Scheme:
Teaching Scheme Examination Scheme
PAPER
TH TU PR TH TEST PR TW TOTAL
HRS.
03 -- 02 3 80 20 50# 25@ 175
Rationale:
As a core technology subject, it intends to teach operating principle and
application of electronic circuits and devices like amplifiers, oscillators, switching
circuits, wave shaping circuits. The subject knowledge is required in Industrial
electronics, Instrumentation and Communication system. Understanding of the
subject will provide skill to the students for trouble shooting & testing of some of
circuits & devices.
Objectives:
1] Classify various amplifiers & oscillator circuits based on their
characteristics.
2] Classify different wave shaping circuits & multivibrators.
3] Configure regulated power supply using IC’s.
4] Test and repair various devices.
Learning Structure:
Applications Problem solving, fault finding, designing of simple circuits
Procedure Study circuits of Power Wave Time
s Amplifiers, FET Amplifier Shaping Base
and Tuned Amplifier circuits Generator
Time Based Generators
Power/ FET/Tuned Amplifiers Multivibrators &
Principle Feedback Amplifiers Oscillator
Facts Introduction of semiconductor
Devices
Contents: Theory
Chapter Name of the Topic Hours Marks
AMPLIFIERS
i) Power Amplifiers
01
Introduction, Classification – Class A, Class B, Class
AB & Class C, efficiency of each.
Single stage class A power amplifier:
Circuit operation, input & output waveforms ,
graphical Analysis and efficiency of
i] Transformer couple resistive load single stage
power amplifier
ii] Class A push pull amplifier
iii] Class B push pull amplifier
iv] Class AB push pull amplifier
Concept of cross over distortion
Advantages of push pull amplifier , collector power
dissipation requirement & specifications of power 16 24
transistor, need of heat sink.
ii) FET Amplifier
Biasing of FET: Source Self Bias, Drain to source Bias
Application of FET as V V R
Common Source Amplifier: Working & Applications
Introduction to MOSFET:Types, Construction,
Working & Applications
iii) Tuned Amplifiers
Introduction & necessity of tuned amplifier. Basic
tuned circuits, series & parallel resonance in tuned
circuits.
Operating principle, circuit working, resonance
frequency of single tuned, double tuned amplifiers.
Feedback Amplifiers & oscillators
General theory of feedback: Types of feedback –
negative & positive feedback.
Types of negative feedback – voltage shunt, voltage
series, current shunt & current series.
Advantages of negative feedback on voltage gain ,
bandwidth , input impedance , output impedance ,
stability , noise , distortion in amplifiers.
02 Introduction to oscillator , block diagram of sine 10 18
wave oscillator , requirement of oscillation –
Barkhausen criterion , operating principles of RC &
LC oscillators
RC oscillators – RC phase shift , Wien bridge
LC oscillators – Colpitts , Hartley , Crystal oscillators
Circuit diagram, equation for frequency of oscillation
& frequency stability.
Wave shaping circuits
Necessity of wave shaping circuits.
Linear circuits – RC integrator & differentiator – input /
output waveforms & frequency response.
03 06 12
Non-linear circuits - Clipper , diode series & shunt ,
positive & negative biased & unbiased &
combinational clipper.
Clampers – positive & negative clampers
Multivibrators
Transistor as switch. Definition & graphical
representation of different time periods .
04 Multivibrator classification , circuit working & 06 12
frequency with specific application . MMV , AMV ,
BMV & Schmitt trigger
Time base generator –
Voltage time base generator , exponential sweep
generator UJT Relaxation Oscillator, negative
05 06 10
resistance generator. working principle & operation .
Current time base generator , bootstrap & miller
sweep generator , applications in TV & CRO
Trouble shooting & Testing
Need for trouble shooting , Important steps for
testing
Visible testing – Observing circuits for visible faults
like broken component, open contacts etc.
06 04 04
Active testing – Voltage analysis, Resistance
analysis, signal analysis.
Trouble shootings of multivibrators, phase shift
oscillators, transistorised sweep generator, clipping &
clamping circuits.
Total 48 80
Practical:
Intellectual Skills:
1 To locate faults in circuits.
2. Interpret the waveforms.
Motor Skill:
1. Ability to Sketch circuit/block diagram.
2. Ability to interpret the circuit.
List of Practical:
1. Plot Frequency response of FET amplifier.
2. Plot Frequency response & bandwidth of negative feedback amplifier.
3. Study function of Colpitt’s oscillator.
4. Study function of RC Phase shift oscillator.
5. Study function of RC integrator and differentiator.
6. Study function of Clipping and clamping circuits.
7. Study function of Astable Multivibrators.
8. Study function of Monostable Multivibrator.
9. Study function of Bistable Multivibrator.
10. Study function of UJT relaxation oscillator.
Learning Resources:
Books:
Sr.
Author Title Publication
No
01 Paul Malvino Electronic Principles Tata McGraw-Hill
02 R.S.Sedha Applied Electronics S.Chand & Co.
Electronics Devices &
03 Allen Mottershed Prantice Hall India LTD.
Circuits
J.Millman and Pulse Digital & Switching
04 Tata McGraw-Hill
H.Taub Waveforms
G.K.Mittal and
05 Pulse & Digital Electronics Khanna Publication
A R.Vanvasai
