Electronic Devices and Circuits — What This Subject Is About
To develop the skills required to use basic electronic devices in various electronic circuits, and to understand the construction, working, characteristics and applications of semiconductor devices such as diodes and transistors — the basic building blocks of amplifiers, oscillators, switching circuits, wave shaping circuits and power supplies.
Subject 3.1 (Theory) + 3.5 (Lab) • Total 200 Marks • 5 Credits • 3rd Semester — Electronics Engineering • Session 2026–27
About this document: Electronic Devices and Circuits appears twice in the 3rd semester — as a theory paper (3.1) and as a lab (3.5). Both are covered here, completely, in the official order.
What You Will Study
Unit 1 — Semiconductor Diodes Circuit and Applications (6 Periods, 14%)
Definition, Extrinsic/Intrinsic, N-type & p-type, P-N junction diode forward & reverse bias characteristics. Different types of diodes, Diode (P-N Junction) as rectifier, Half wave rectifier, full wave rectifier. Construction & Working Principle of Positive, Negative, and Biased Clippers - Construction & Working Principle of Positive and Negative Clampers
How a semiconductor diode works, how it turns AC into DC (rectifiers), and how clippers and clampers shape waveforms.
Unit 2 — Bipolar Junction Transistor (11 Periods, 25%)
PNP and NPN transistor- Operation and characteristics. CB, CE and CC configurations: working, characteristics and their comparison. Concept of leakage current, effect of temperature on leakage current, standard notation for current and voltage polarity. Transistor Biasing, Transistor as an amplifier in CE configuration, DC load line.
The transistor: how it works in its three configurations, how to bias it correctly, and how it amplifies a signal.
Unit 3 — Unipolar Junction and Field Effect Transistor (9 Periods, 21%)
Junction Field Effect Transistor: Construction, operation, characteristics and Biasing. MOSFET: Construction, operation, Characteristics. CMOS: Construction, operation and Characteristics. Comparison of JEET, MOSFET and Bipolar Transistor. Introduction to advance non-planer devices like FinFET, GAA.
Field-effect transistors (JFET and MOSFET), the CMOS pair that runs modern chips, and a first look at newer devices like FinFET and GAA.
Unit 4 — Amplifiers and Oscillators (11 Periods, 25%)
Single Stage Transistor Amplifier: Analysis of Single Stage CE, CB and CC amplifier. Multistage Amplifiers: Need of multistage amplifier, gain of multistage amplifier, RC coupled, and transformer coupled, direct coupled Amplifier, their frequency response and bandwidth. Large Signal Amplifier: Difference between voltage and power amplifiers - Importance of impedance matching in amplifiers - Class A, Class B, Class AB, and Class C amplifiers, Push-pull amplifier. Feedback Amplifiers: Properties of negative Feedback, impact of feedback on different parameters, Basic Feedback Amplifier Topologies. Basic Principles, different types of Oscillator-LC, RC and crystal oscillator.
Making signals bigger (amplifiers of several kinds) and making signals from nothing (oscillators) — including feedback, which trades gain for stability.
Unit 5 — SCR, DIAC, TRIAC and IGBT (5 Periods, 14%)
Construction, working and characteristics, SCR as a Switch, DIAC as bidirectional switch, Comparison of SCR, DIAC, TRIAC, MOSFET and IGBT.
Power switching devices: how SCRs, DIACs, TRIACs and IGBTs turn heavy loads on and off, and how they compare.
Practical Work
- Construct the circuit and plot the VI characteristics of the PN Junction Diode, find the cut in voltage.
- Plot the V-I Characteristic of Zener Diode.
- Plot the V-I Characteristic of Photo Diode.
- Plot the V-I Characteristic of Light emitting Diode.
- Simulate half wave, full wave and bridge rectifier using simulation tool like P Spice/ Orcad/ Multisim.
- Construct a Half Wave Rectifier and obtain regulation characteristics – Without Filters and with Filters Compare the results.
And more — the complete list of 15 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 |
|---|---|---|---|---|---|---|---|
| 3.1 | Electronic Devices and Circuits | Theory | 3 – 0 | 3 | Theory 40 | Theory 60 (3 hrs) | 100 |
| 3.5 | Electronic Devices and Circuits (Lab) | Practical | 0 – 4 | 2 | Practical 60 | Practical 40 (3 hrs) | 100 |
| Electronic Devices and Circuits Total | 5 | 100 | 100 | 200 | |||
Units at a Glance
| Unit | Topic | Periods | Marks Share |
|---|---|---|---|
| 1 | Semiconductor Diodes Circuit and Applications | 6 | 14% |
| 2 | Bipolar Junction Transistor | 11 | 25% |
| 3 | Unipolar Junction and Field Effect Transistor | 9 | 21% |
| 4 | Amplifiers and Oscillators | 11 | 25% |
| 5 | SCR, DIAC, TRIAC and IGBT | 5 | 14% |
Complete Practicals List
This is the complete list of practicals from the official syllabus.
- Construct the circuit and plot the VI characteristics of the PN Junction Diode, find the cut in voltage.
- Plot the V-I Characteristic of Zener Diode.
- Plot the V-I Characteristic of Photo Diode.
- Plot the V-I Characteristic of Light emitting Diode.
- Simulate half wave, full wave and bridge rectifier using simulation tool like P Spice/ Orcad/ Multisim.
- Construct a Half Wave Rectifier and obtain regulation characteristics – Without Filters and with Filters Compare the results.
- Construct a Full Wave Rectifier and obtain regulation characteristics – Without Filters and with Filters Compare the results.
- Plot input and output characteristics of transistor in CB /CE/CC configuration.
- Build and test voltage divider biased type amplifier & measure voltage at different points on the circuit and observe waveforms.
- Obtain the characteristics of DIAC and TRIAC.
- Obtain frequency response of Single stage RC/RL -coupled amplifier.
- Develop a simulation model for Voltage Series and Voltage Shunt Feedback Amplifiers.
- Develop circuits for Voltage Series and Voltage Shunt Feedback Amplifiers and obtain output plots. Compare the results with the simulation model.
- Develop a simulation model for Current Series and Current Shunt Feedback Amplifiers.
- Develop circuits for Current Series and Current Shunt Feedback Amplifiers and obtain output plots. Compare the results with the simulation model.
Reference Books
As listed in the syllabus:
- Analog Circuits A.K. Maini Khanna Publishing House Ed. 2018 (ISBN: 978-93-86173-584)
- Electronic Devices and Circuits. Salivahanan and N. Suresh Kumar McGraw Hill Education; Fourth edition (1 July 2017) ISBN: 978-9339219505
- Electronics Devices and circuit theory Boyestad & Nashelsky Pearson Education India; 11 edition (2015) ISBN: 978-9332542600
- Electronic Principles Albert Malvino & David Bates Tata McGraw Hill Publication 2010 ISBN: 978-0070634244
- Rahul Wadhwa, Electronics Devices & Circuits, Asian Publishers, Muzaffarnagar. ISBN: 978-93-91541-74-3
- Electronics Devices & Circuits Jacob Millman McGraw Hill Education; 4 editions (2015) ISBN: 978-9339219543
Frequently Asked Questions
How many marks is Electronic Devices and Circuits worth in the 3rd semester?
Electronic Devices and Circuits (3.1) is 100 marks; Electronic Devices and Circuits (Lab) (3.5) is 100 marks. Total: 200 marks, 5 credits. The full scheme table is in the Complete Syllabus section above.
Which units carry the most weightage in Electronic Devices and Circuits?
Bipolar Junction Transistor and Amplifiers and Oscillators, 25% each. The full unit-wise weightage table is in the Complete Syllabus section above. Note: the weightages in the official table add to 99% (14+25+21+25+14), although the table's Total row prints 100% — reproduced as printed in the official syllabus.
What practical work is there in Electronic Devices and Circuits?
15 practicals/experiments, including: Construct the circuit and plot the VI characteristics of the PN Junction Diode, find the cut in voltage.; Plot the V-I Characteristic of Zener Diode.; Plot the V-I Characteristic of Photo Diode.. The complete list is in the Complete Syllabus section above.
Which books should I refer to for Electronic Devices and Circuits?
The syllabus lists Analog Circuits A.K. Maini Khanna Publishing House Ed. 2018 (ISBN: 978-93-86173-584), and Electronic Devices and Circuits. Salivahanan and N. Suresh Kumar McGraw Hill Education; Fourth edition (1 July 2017) ISBN: 978-9339219505, among others. The full list is in the Complete Syllabus section above.
Is Electronic Devices and Circuits a theory subject or a practical subject?
It is assessed as practical and theory — see the examination scheme in the Complete Syllabus section above.
How can I download the Electronic Devices and Circuits 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 Electronic Devices and Circuits Syllabus PDF
Download the complete Electronic Devices and Circuits syllabus PDF below — prepared by KAMALDNP Academy, with the full topic list, practicals and reference books.
Download the Electronic Devices and Circuits 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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