Linear Integrated Circuit — What This Subject Is About
To cover the fundamentals of operational amplifiers and their linear and non-linear applications — signal conditioning, medical electronics and instrumentation — and to build the skills to maintain linear electronic circuits based on integrated circuits.
Subject 3.3 (Practicum) • Total 100 Marks • 3 Credits • L 2 – P 2 • 3rd Semester — Electronics Engineering • Session 2026–27
What You Will Study
Unit 1 — Operational Amplifiers (6 Periods, 21%)
Symbol, pin diagram, ratings of IC 741, Electrical properties, transfer characteristics & parameters of ideal OP AMP, DC and AC performance characteristics, slew rate, Open and closed loop configurations, Block diagram & operating principle, OP-AMP with positive and negative feedback.
The op-amp itself: the 741 chip, what an ideal op-amp should do, what a real one actually does, and open-loop vs closed-loop operation.
Unit 2 — Applications of Operational Amplifiers (4 Periods, 16%)
Open loop configuration–Inverting, Non-inverting, Close loop configuration –Inverting, non- inverting, Differential amplifier, unity gain amplifier, Inverting & non-inverting configuration of Adders (summing, scaling, averaging amplifier), Subtractor, Integrator & Differentiator
The classic op-amp circuits: amplifiers, adders, subtractors, and circuits that integrate or differentiate a signal.
Unit 3 — Special Purpose Operational Amplifiers (6 Periods, 21%)
Bridge amplifier, instrumentation amplifier with two & three OP AMPS, V-I converters, I-V converters, logarithmic & Antilogarithmic amplifier, Astable, Monostable and Bistable Multivibrator using OP AMP.
More specialised op-amp circuits: instrumentation amplifiers for tiny sensor signals, converters between voltage and current, and multivibrators that generate square waves.
Unit 4 — Voltage Regulator (6 Periods, 21%)
Linear voltage regulator: Block schematic, pin diagrams, features, Specifications, rating and operating principle of IC 723, 78xx, 79xx series, switching regulator: Block schematic, pin diagram, features, specifications, ratings and operating, Principle of switching regulator IC LM 317, LM337 Regulator.
How to get a steady DC supply voltage: the 723, 78xx/79xx and adjustable LM317/LM337 regulator chips, and switching regulators.
Unit 5 — Comparator and Timers (6 Periods, 21%)
Op-Amp as comparator, Study of Op-amp peak to peak detector, phase detector circuit, voltage level detector circuit, Schmitt trigger using op-amp, Study of timer IC – 555, Block diagram, operating principle, pin diagram, Features of IC-555, IC-555 as Astable, Monostable, bi-stable & Schmitt Trigger, Sample and hold circuit, Phase Locked Loop- Principle & block diagram of PLL, Transfer characteristics, lock range & capture range.
Using an op-amp to compare voltages, the famous 555 timer chip in its three modes, and the phase-locked loop.
Practical Work
- To Interpret the parameters of given Op-Amplifier from data sheet.
- To test performance of OP_AMP as an inverting & Non inverting amplifier and observe input/output waveforms. To test performance of OP_AMP as unity gain amplifier.
- To design and test performance of OP_AMP as an Adder and Subtractor.
- To test performance of OP_AMP as an Integrator & Differentiator.
- To test performance of OP_AMP Instrumentation Amplifier calculate gain & frequency response.
- To build & test Astable multivibrator using IC 741 for different values of R and C.
And more — the complete list of 13 practicals is inside the PDF.
Complete Syllabus
The full examination scheme, the complete practicals list and the reference books from the official syllabus. The unit-wise topics are in the "What You Will Study" section above.
Examination Scheme
| Code | Paper | Type | L – P | Credits | Internal | External | Total |
|---|---|---|---|---|---|---|---|
| 3.3 | Linear Integrated Circuit | Practicum | 2 – 2 | 3 | Theory 40 | Theory 60 (3 hrs) | 100 |
| Linear Integrated Circuit Total | 3 | 40 | 60 | 100 | |||
Units at a Glance
| Unit | Topic | Periods | Marks Share |
|---|---|---|---|
| 1 | Operational Amplifiers | 6 | 21% |
| 2 | Applications of Operational Amplifiers | 4 | 16% |
| 3 | Special Purpose Operational Amplifiers | 6 | 21% |
| 4 | Voltage Regulator | 6 | 21% |
| 5 | Comparator and Timers | 6 | 21% |
Complete Practicals List
This is the complete list of practicals from the official syllabus.
- To Interpret the parameters of given Op-Amplifier from data sheet.
- To test performance of OP_AMP as an inverting & Non inverting amplifier and observe input/output waveforms. To test performance of OP_AMP as unity gain amplifier.
- To design and test performance of OP_AMP as an Adder and Subtractor.
- To test performance of OP_AMP as an Integrator & Differentiator.
- To test performance of OP_AMP Instrumentation Amplifier calculate gain & frequency response.
- To build & test Astable multivibrator using IC 741 for different values of R and C.
- To build/test Monostable multivibrator using IC 741 for different values of R and C.
- To build & test fixed/variable voltage regulator using LM723 & plot line/ load regulation characteristics.
- To build & test variable voltage regulator using LM317 & measure the dropout voltage & plot line/ load regulation characteristics.
- To build & test variable voltage regulator using LM337 & measure the dropout voltage & plot line/ load regulation characteristics.
- To build & test voltage regulator using 78xx and 79xx and measure the dropout voltage & plot line/ load regulation characteristics.
- To build Op-Amp as voltage Regulator- IC 723.
- Various applications of Timer IC555.
Reference Books
As listed in the syllabus:
- Design with operational amplifiers and analog integrated circuits, 3rd Edition Sergio Franco Tata McGraw-Hill, 2007
- Linear Integrated Circuits, D.Roy Choudhry, Shail Jain New Age International Pvt. Ltd
- System design using Integrated Circuits. B.S.Sonde New Age Pub, 2nd Edition, 2001
- Analysis and Design of Analog Integrated Circuits Gray and Meyer Wiley International, 2005.
- OP-AMP and Linear ICs Ramakant A. Gayakwad Prentice Hall / Pearson Education, 4th Edition, 2001
- Operational Amplifier and Linear Integrated Circuits K Lal Kishore, Pearson Education, 2006
Frequently Asked Questions
How many marks is Linear Integrated Circuit worth in the 3rd semester?
Linear Integrated Circuit (3.3) is 100 marks. Total: 100 marks, 3 credits. The full scheme table is in the Complete Syllabus section above.
Which units carry the most weightage in Linear Integrated Circuit?
Voltage Regulator and Special Purpose Operational Amplifiers and Operational Amplifiers and Comparator and Timers, 21% each. The full unit-wise weightage table is in the Complete Syllabus section above.
What practical work is there in Linear Integrated Circuit?
13 practicals/experiments, including: To Interpret the parameters of given Op-Amplifier from data sheet.; To test performance of OP_AMP as an inverting & Non inverting amplifier and observe input/output waveforms. To test performance of OP_AMP as unity gain amplifier.; To design and test performance of OP_AMP as an Adder and Subtractor.. The complete list is in the Complete Syllabus section above.
Which books should I refer to for Linear Integrated Circuit?
The syllabus lists Design with operational amplifiers and analog integrated circuits, 3rd Edition Sergio Franco Tata McGraw-Hill, 2007, and Linear Integrated Circuits, D.Roy Choudhry, Shail Jain New Age International Pvt. Ltd, among others. The full list is in the Complete Syllabus section above.
Is Linear Integrated Circuit a theory subject or a practical subject?
It is assessed as practicum — see the examination scheme in the Complete Syllabus section above.
How can I download the Linear Integrated Circuit syllabus PDF?
The PDF is free to download — use the download link in the Download section below. It is prepared by KAMALDNP Academy from the official BTEUP syllabus.
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Download the Linear Integrated Circuit Syllabus PDF
Download the complete Linear Integrated Circuit syllabus PDF below — prepared by KAMALDNP Academy, with the full topic list, practicals and reference books.
Download the Linear Integrated Circuit Syllabus PDF
Source: BTEUP 2nd Year curriculum (folder2627), approved in C.D.C. meeting held on 16.07.2026. Topic lists follow the official syllabus; short explanations are the author's own plain-English summaries, not syllabus text. Please confirm with your own polytechnic for any local changes.
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