18EE46 Operational Amplifiers and Linear ICs syllabus for EE

Operational Amplifiers:

Introduction, Block diagram representation of a typical Op-amp, schematic symbol, characteristics of an Op-amp, ideal op-amp, equivalent circuit, ideal voltage transfer curve, open loop configuration, differential amplifier, inverting & non –inverting amplifier, Op-amp with negative feedback(excluding derivations).

General Linear Applications:

A.C. amplifier, summing, scaling & averaging amplifier, inverting and non-inverting configuration, Instrumentation amplifier.

Active Filters:

First & Second order high pass & low pass Butterworth filters. Band pass filters, all pass filters.

DC Voltage Regulators:

voltage regulator basics, voltage follower regulator, adjustable output regulator, LM317 & LM337 Integrated circuits regulators.

Signal Generators:

Triangular / rectangular wave generator, phase shift oscillator, saw tooth oscillator.

Comparators & Converters:

Basic comparator, zero crossing detector, inverting & non-inverting Schmitt trigger circuit, voltage to current converter with grounded load, current to voltage converter and basics of voltage to frequency and frequency to voltage converters.

Signal processing circuits:

Precision half wave & full wave rectifiers

A/D & D/A Converters:

Basics, R–2R D/A Converter, Integrated circuit 8-bit D/A, successive approximation ADC, linear ramp ADC

Phase Locked Loop (PLL):

Basic PLL, components, performance factors.

Timer:

Internal architecture of 555 timer, Mono stable multivibrators and applications.

Course Outcomes:

At the end of the course the student will be able to:

• Describe the characteristics of ideal and practical operational amplifier.
• Design filters and signal generators using linear ICs.
• Demonstrate the application of Linear ICs as comparators and rectifiers.
• Analyze voltage regulators for given specification using op-amp and IC voltage regulators.
• Summarize the basics of PLL and Timer.

Question paper pattern:

• The question paper will have ten questions.
• Each full question is for 20 marks.
• There will be 2 full questions (with a maximum of three sub questions in one full question) from each module.
• Each full question with sub questions will cover the contents under a module.
• Students will have to answer 5 full questions, selecting one full question from each module.

Text Books:

1 Op-Amps and Linear Integrated Circuits Ramakant A Gayakwad Pearson 4thEdition 2015

Reference Books:

1 Operational Amplifiers and Linear ICs David A. Bell Oxford 3rd Edition 2011

2 Linear Integrated Circuits; Analysis, Design and Applications B. Somanthan Nair Wiley India 2013

3 Linear Integrated Circuits S. Salivahanan, et al McGraw Hill 2nd Edition,2014

4 Operational Amplifiers and Linear Integrated Circuits K. Lal Kishore Pearson 1st Edition, 2012