COURSE

CODE

COURSE NAME

L-T-P-

C

YEAR OF

INTRODUCTION

EC205

ELECTRONIC CIRCUITS

3-1-0-4

2016

Prerequisite: Nil

Course objectives:

·       To develop the skill of analysis and design of various analog circuits using discrete electronic devices as per the specifications.

Syllabus:

High pass and low pass RC circuits, Differentiator, Integrator, Analysis of BJT biasing circuits, small signal analysis of transistor configurations using small signal hybrid π model, low frequency and high frequency analysis of BJT amplifiers, Cascade amplifiers, Wide band amplifiers, Feedback amplifiers, Oscillators, Tuned amplifiers, Power amplifiers, Sweep circuits and multivibrators, transistor voltage regulator, DC analysis of MOSFET circuits, small signal

equivalent circuit, Small signal analysis of MOSFET amplifier circuits, Analysis of multistage MOSFET amplifiers

Expected outcome:

·       At the end of the course, students will be able to analyse and design the different electronic circuits using discrete electronic components.

Text Books:

·       Sedra A. S. and K. C. Smith, Microelectronic Circuits, 6/e, Oxford University Press, 2013

·       Millman J. and C. Halkias, Integrated Electronics, 2/e, McGraw-Hill, 2010

References:

1.        Neamen D., Electronic Circuits – Analysis and Design, 3/e, TMH, 2007

2.        Rashid M. H., Microelectronic Circuits – Analysis and Design, Cengage Learning, 2/e, 2011

3.        Spencer R. R. and M. S. Ghausi, Introduction to Electronic Circuit Design, Pearson, 2003

4.        Razavi B., Fundamentals of Microelectronics, Wiley, 2015

Course Plan

Module

Course content (48 hrs)

Hours

Sem. Exam Marks

I

RC Circuits: Response of high pass and low pass RC circuits to

sine, step, pulse and square wave inputs, Differentiator, Integrator

5

15

BJT biasing circuits: Types, Q point, Bias stability, Stability factors, RC coupled amplifier and effect of various components,

Concept of DC and AC load lines, Fixing of operating point, Classification of amplifiers

5

II

Small signal analysis of CE, CB and CC configurations using small signal hybrid π model (gain, input and output impedance). Small signal analysis of BJT amplifier circuits, Cascade amplifier

7

15

FIRST INTERNAL EXAM

III

High frequency equivalent circuits of BJT, Short circuit current gain, cutoff frequency, Miller effect, Analysis of high frequency

response of CE, CB and CC amplifiers

4

15

Wide band amplifier: Broad banding techniques, low frequency

and high frequency compensation, Cascode amplifier.

4

IV

Feedback  amplifiers:  Effect of positive  and negative feedback on

gain, frequency response and distortion, Feedback topologies and

3

15

its effect on input and output impedance, Feedback amplifier

circuits in each feedback topologies (no analysis required)

Oscillators & Tuned Amplifiers: Classification of oscillators, Barkhausen criterion, Analysis of RC phase shift and Wien bridge oscillators, Working of Hartley, Colpitts and Crystal oscillators;

Tuned amplifiers, synchronous and stagger tuning

6

SECOND INTERNAL EXAM

V

Power amplifiers: Classification, Transformer coupled class A power amplifier, push pull class B and class AB power amplifiers, efficiency and distortion, Transformer-less class B and Class AB

power amplifiers, Class C power amplifier (no analysis required)

6

20

Switching Circuits: Simple sweep circuit, Bootstrap sweep circuit, Astable, Bistable, and Monostable multivibrators, Schmitt Trigger

5

VI

Transistor based voltage regulator: Design and analysis of shunt and

series voltage regulator, load and line regulation, Short circuit protection

4

20

MOSFET amplifiers: Biasing of MOSFET amplifier, DC analysis of single stage MOSFET amplifier, small signal equivalent circuit. Small signal voltage and current gain, input and output impedances

of CS configuration, MOSFETCascade amplifier

5

END SEMESTER EXAM