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DOC/LP/01/28.02.02
LESSON PLAN
Sub Code & Name: EC 2205 ELECTRONIC CIRCUITS-I
Unit : I
Branch : EC
Semester :III
LP – EC 2205
LP Rev. No: 02
Date: 01/07/13
Page 01 of 06
UNIT I TRANSISTOR BIAS STABILITY
9
Syllabus:
BJT – Need for biasing – Stability factor - Fixed bias circuit, Load line and quiescent point. Variation of
quiescent point due to hFE variation within manufacturers tolerance - Stability factors - Different types of
biasing circuits - Method of stabilizing the Q point - Advantage of Self bias (voltage divider bias) over other
types of biasing, Bias compensation – Diode, Thermister and Sensistor compensations, Biasing the FET and
MOSFET.
Objective:
The aim of this course is to familiarize the student with the methods of biasing transistors and design of
simple amplifier circuits.
Session
No.
Topics to be covered
Time
Ref
P.No
1(118-145)
Teaching
Method
1.
Introduction to BJT and different regions in the
output characteristics.
50m
2.
Need for biasing, Operating point and DC load line.
50m
1(282-285)
BB
50m
1(290-294)
BB
3.
4.
5.
6.
7.
8.
9.
Variation of quiescent point due to hFE variation
within manufacturer’s tolerance.
Different types of biasing circuitsFixed bias, Collector to base bias and self bias.
Derivation of stability factor for collector to base
bias.
Fixed bias circuit and derivation of its stability
factor S, S’ and S”.
Self bias circuit and derivation of its stability factor
S, S’ and S”.
Self bias and advantages of self bias over other types
of biasing.
Bias compensation using temperature sensitive
devices. Diode compensations for Ico and VBE .
Thermistor and Sensistor compensations and
Thermal runaway and thermal stability.
50m
2(181-185)
BB
BB
50m
1(283-285)
BB
50m
1(287-290)
BB
50m
2(193-195)
BB
50m
1(299-302)
BB
50m
1(302-306)
BB
10.
Biasing schemes for FET.
50m
1(335-339)
BB
11
The FET as a VVR (Voltage Variable Resistor).
50m
1(339-341)
BB
12.
Biasing schemes for MOSFET.
50m
2(215-220)
13.
Tutorial.
50m
1(294-308)
BB
BB
DOC/LP/01/28.02.02
LESSON PLAN
Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I
Unit : II
Branch : EC
Semester :III
LP – EC 2205
LP Rev. No: 02
Date: 01/07/13
Page 02 of 06
UNIT II MIDBAND ANALYSIS OF SMALL SIGNAL AMPLIFIER
9
Syllabus:
CE, CB and CC amplifiers - Method of drawing small-signal equivalent circuit - Midband analysis of
various types of single stage amplifiers to obtain gain, input impedance and output impedance - Miller’s
theorem - Comparison of CB, CE and CC amplifiers and their uses - Methods of increasing input impedance
using Darlington connection and bootstrapping - CS, CG and CD (FET) amplifiers - Multistage amplifiers.
Basic emitter coupled differential amplifier circuit - Bisection theorem. Differential gain–CMRR-Use of
constant current circuit to improve CMRR - Derivation of transfer characteristic.
Objective:
The aim of this course is to familiarize the student with Midband analysis of amplifier circuits using small signal equivalent circuits to determine gain input impedance and output impedance.
Session
No.
14.
15.
16.
50m
Ref
P.No
1(239-240)
Teaching
Method
BB
50m
1(239-251)
BB
50m
1(253-255)
BB
Topics to be covered
Time
Two port model of BJT amplifiers and its parameters.
Method of drawing small-signal equivalent circuit (h parameter model) Midband analysis of single stage CE
class A amplifier using fixed bias to obtain gain, input
impedance and output impedance.
Comparison of CE, CB, CC amplifiers in terms of
gain, input impedance and output impedance.
17.
Miller’s theorem for CE, CB, CC amplifier.
50m
1(255-258)
BB
18.
Methods of increasing input impedance using
Darlington connection and bootstrapping.
50m
1(274-278)
BB
19.
FET amplifiers and small signal model.
50m
2(313-323)
BB
50m
2(349-363)
BB
50m
2(363-387)
BB
50m
1(505-510)
BB
50m
1(510-512)
BB
50m
1(505-507)
BB
20.
21.
22.
23.
24.
Multistage amplifiers-Different coupling schemes used
in amplifiers and cascade Amplifier.
RC, Transformer coupled amplifier and Direct
Coupled amplifiers.
Differential amplifiers, Basic emitter coupled
differential amplifier circuit and its operation.
Bisection theorem and Transfer characteristics of
differential amplifier.
CMRR importance and methods for improvements.
DOC/LP/01/28.02.02
LESSON PLAN
Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I
Unit : III
Branch : EC
Semester :III
LP – EC 2205
LP Rev. No: 02
Date:01 /07/13
Page 03 of 06
UNIT III FREQUENCY RESPONSE OF AMPLIFIERS
9
Syllabus:
General shape of frequency response of amplifiers - Definition of cutoff frequencies and bandwidth - Low
frequency analysis of amplifiers to obtain lower cutoff frequency Hybrid –  equivalent circuit of BJTs High frequency analysis of BJT amplifiers to obtain upper cutoff frequency – Gain Bandwidth Product - High
frequency equivalent circuit of FETs - High frequency analysis of FET amplifiers - Gain-bandwidth product
of FETs - General expression for frequency response of multistage amplifiers - Calculation of overall upper
and lower cutoff frequencies of multistage amplifiers - Amplifier rise time and sag and their relation to
cutoff frequencies.
Objective The aim of this course is to familiarize the student with Method of calculating cutoff frequencies
and to determine bandwidth
Session
No.
Time
Ref
P.No
Teaching
Method
50m
2(389-391)
BB
50m
2(397-403)
BB
Hybrid  equivalent circuit of BJTs.
High frequency analysis of BJT amplifiers to obtain
upper cutoff frequency.
50m
2(403-412)
BB
50m
1(355-365)
BB
29.
Gain Bandwidth Product.
50m
1(365-367)
BB
30.
Tutorial.
50m
1(411)
BB
50m
2(412-417)
BB
50m
2(417-419)
BB
25.
26.
27.
28.
31.
32.
Topics to be covered
General shape of frequency response of amplifiers Definition of cutoff frequencies and bandwidth.
Low frequency analysis of amplifiers to obtain
lower cutoff frequency.
High frequency analysis of FET amplifiers –
Gain-bandwidth product of FETs.
General expression for frequency response of
multistage amplifiers -Calculation of overall upper
and lower cutoff frequencies.
33.
Tutorial.
50m
2(409)
BB
34.
Amplifier rise time and sag and their relation to
cutoff frequencies.
50m
1(382-385)
BB
35.
Problems.
50m
2(402)
BB
36.
Tutorial.
50m
2(395,397,401)
BB
DOC/LP/01/28.02.02
LP – EC 2205
LP Rev. No: 02
Date:01 /07/13
Page 04 of 06
LESSON PLAN
Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I
Unit : IV
Branch : EC
Semester :III
UNIT IV
LARGE SIGNAL AMPLIFIERS
9
Syllabus: Classification of amplifiers, Class A large signal amplifiers, second harmonic distortion, higher
order harmonic distortion, transformer-coupled class A audio power amplifier – efficiency of Class A
amplifiers. Class B amplifier – efficiency - push-pull amplifier - distortion in amplifiers - complementarysymmetry (Class B) push-pull amplifier, Class C, Class D amplifier – Class S amplifier – MOSFET power
amplifier, Thermal stability and heat sink.
Objective:
The aim of this course is to familiarize the student with design of power amplifiers.
Ref
Session
No.
Topics to be covered
P.No
Teaching
Method
37.
Classification of amplifiers, Nonlinear, frequency and
phase-shift distortion in amplifiers.
50m
1(372-374)
BB
38.
Class A large signal amplifiers, second harmonic
distortion, higher order harmonic generation.
50m
1(677-684)
BB
39.
Transformer-coupled class A audio power amplifier,
Impedance matching, maximum power output and
efficiency of Class A amplifiers.
50m
1(684-690)
BB
40.
Class B amplifier - push-pull amplifier, advantages
and distortion in push-pull amplifier.
50m
1(690-695)
BB
41.
Complementary-symmetry Class B push-pull
amplifier.
50m
1(695-696)
BB
42.
Class C, Class D and Class S amplifier.
50m
2(443-445)
BB
43.
MOSFET power amplifier.
50m
2(445-446)
BB
44.
Thermal stability, heat sink and types of heat sinks.
50m
2(446-449)
BB
45.
Problems.
50m
2(433-436)
BB
46.
Tutorial.
50m
2(447-449)
BB
CAT I.
180m
-
-
Time
DOC/LP/01/28.02.02
LP – EC 2205
LP Rev. No: 02
Date:01 /07/13
Page 05 of 06
LESSON PLAN
Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I
Unit : V
Branch : EC
Semester :III
UNIT V RECTIFIERS AND POWER SUPPLIES
9
Syllabus:
Classification of power supplies, Rectifiers - Half-wave, full-wave and bridge rectifiers with resistive load.
Analysis for Vdc and ripple voltage with C, L, LC and CLC filters. Voltage multipliers, Voltage regulators Zener diode regulator, principles of obtaining a regulated power supply, regulator with current limiting,
Over voltage protection, Switched mode power supply (SMPS), Power control using SCR.
Objective:
The aim of this course is to familiarize the student with Analysis and design of power supplies.
Ref
Session
No.
47.
48,49.
50,51.
Topics to be covered
P.No
Teaching
Method
Time
Rectifiers-HWR, Derivation of ripple factor,
efficiency, Peak Inverse Voltage and Transformer
Utilization Factor of Half Wave Rectifier.
50m
2(617-621)
BB
Full-wave and Bridge rectifiers with resistive load
and Derivation of ripple factor, efficiency, Peak
Inverse Voltage and Transformer Utilization Factor
of FWR,BR.
100m
2(623-627)
BB
100m
2(628-636)
BB
Analysis for Vdc and ripple voltage with C, L, LC,
CLC and multiple CLC filters.
52.
Voltage multipliers- tripler and quadrupler.
50m
2(636-637)
BB
53.
Voltage regulators – Line regulation, Load
regulation and Zener diode shunt regulator.
50m
2(638-639)
BB
54.
Principles of obtaining a regulated power supply,
regulator with current limiting, Over voltage
protection.
50m
2(644-648)
BB
55.
Switched mode power supply (SMPS), Different
types and advantages of SMPS.
50m
2(654-660)
BB
56.
Power control using SCR.
50m
2(232-235)
BB
2(622,625,632,
57.
Tutorial.
50m
639,645,648,
663-665)
BB
CAT II.
75m
-
-
DOC/LP/01/28.02.02
LESSON PLAN
Sub Code & Name: EC 2205 ELECTRONIC CIRCUITS-I
Unit : I-V
Branch : EC
Semester :III
LP – EC 2205
LP Rev. No: 02
Date: 01/07/13
Page 06 of 06
Course Delivery Plan:
Week
Units
1
2
3
4
5
6
8
9
10
11
12
13
14
15
I II
I II
I II
I II
I II
I II
I II
I II
7
I II I II I II I II I II I II I II
C
C
1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 A 5 5 5 5 5 A
T
T
1
2
TEXT BOOKS
1. Millman J and Halkias .C., Integrated Electronics, TMH, 2007.
2. S. Salivahanan, N. Suresh Kumar and A. Vallavaraj, Electronic Devices and Circuits, 2nd Edition,
TMH, 2007.
REFERENCES
3. Robert L. Boylestad and Louis Nashelsky, Electronic Devices and Circuit Theory, 9th Edition,
Pearson Education / PHI, 2007.
4. David A. Bell, Electronic Devices & Circuits, 4th Edition, PHI, 2007
5. Floyd, Electronic Devices, Sixth Edition, Pearson Education, 2002.
6. I.J. Nagrath, Electronic Devices and Circuits, PHI, 2007.
7. Anwar A. Khan and Kanchan K. Dey, A First Course on Electronics, PHI, 2006.
8. B.P. Singh and Rekha Singh, Electronic Devices and Integrated Circuits, Pearson Education, 2006.
9. Rashid M, Microelectronics Circuits, Thomson Learning, 2007.
Prepared by
Approved by
Signature
Name
Designation
Date
Mr.S.R.Balasubramanian/
Ms.S.M.Mehzabeen/
Mr.M.Athappan
Assistant Professor /EC
01/07/2013
Dr.S Ganesh Vaidyanathan
HOD, Department/EC
01/07/2013