OPERATIONAL AMPLIFIERS AND LINEAR ICs (18EE46)

OPERATIONAL AMPLIFIERS AND LINEAR ICs

Course Code 18EE46 CIE Marks 40
Number of Lecture Hours/Week(L:T:P) 3:0:0 SEE Marks 60
Credits 03 Exam Hours 03

Course Learning Objectives:

· To understand the basics of Linear ICs such as Op-amp, Regulator, Timer & PLL.

· To learn the designing of various circuits using linear ICs.

· To use these linear ICs for specific applications.

· To understand the concept and various types of converters.

· To use these ICs, in Hardware projects.

Module-1

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. T1

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Module-2

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. T1

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Module-3

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. T1

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Module-4

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 R1

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Module-5

Phase Locked Loop (PLL): Basic PLL, components, performance factors.
Timer: Internal architecture of 555 timer, Mono stable multivibrators and applications. T1

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Important Links:

1. Click Here to Download Model Papers

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-amp 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