Punjab Technical University | 3rd
electronic devices and circuits
📚 Syllabus - EDC (B-TECH Electronics and Communication Engineering 3rd)
1. Diode Circuits Quantitative analysis of the behavior of pn junction depletion layer,
capacitance and current; storage capacitance and conductance, diode equivalent circuit; barrier
potential at metal semiconductor interface, rectifying and ohmic contacts.
2. Bipolar Junction Transistors Junction Transistor, current components, transistor as an
amplifier, construction, CB, CE and EC configurations, analytical expressions for transistor
characteristics, transistor at low frequency, Hybrid model, H-para-meters conversion formulas,
analysis using h-parameters, cascading transistor amplifiers, transistor at high freq. And its hybrid
(pi) CE. Model, power transistor switching transistors, R. F. transistors, Pin-diode, L. E. D.,
L.C.D, Photo diode, photo transistors.
3. Field Effect Transistors The JFET, V-I characteristics, pinch off voltage small signal mode
MOSFET, Digital MOSFET circuits, low-frequency C-S and C-D amplifiers.
4. Transistor Biasing and Stablization Operating print, Bias stability, various biasing circuits,
stabilization against variation in Ico, Vbe and Beta, Bias compensation, Thermister and senistor
compensation. Thermal Runway, Thermal stability Biasing the FET, FET as a VVR, CS amp. At
high freq. CD amp. At high freq.
5. Power Amplifiers Classification of amplifier, analysis of class A,B,C and AB Amplifiers,
push pull amplifier, complementary symmetry and paraphase amp. Distortion in amp., Freq.
Response of an amp. Its graphical analysis, harivieau distortion, power distortion, heat sinks.
6. Multistage Amplifiers Types of Multistage amplifiers like RC, LC, transformer coupled, D.C.
amplifiers, their Freq. Response curves and analysis, tuned amplifiers and wideband amplifiers
and their analysis.
7. Feedback Amplifiers Feedback concept, transfer again with feedback characteristics of
negative feedback amplifiers, input and output resistance, method of analysis of feedback
amplifiers, voltage series, current series, voltage shunt and current shunt feedback.
8. Rectifiers and Power Supplies Oscillators: Different types of oscillators: RC Phase shift,
weight Bridge, Hanley, Colpitt, Crystal Oscillators using OPAMPS.
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About This Question Paper Collection
Browse EDC 3rd question papers for B-TECH Electronics and Communication Engineering students at Punjab Technical University. This page helps students review question patterns, prepare for exams, and understand how previous papers are structured.
Select a paper below to open year-wise question papers, solutions, or available answer content where listed on BRpaper.
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Previous year question papers for electronic devices and circuits at Punjab Technical University help students understand how questions were framed in earlier exams, spot commonly repeated topics, and check exam patterns.
Use these papers alongside the latest syllabus, class notes, and official university updates to revise efficiently, practice answering within time limits, and compare question styles across sessions.
FAQ
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Helpful answers about this subject, papers, and exam preparation.
01 Where can I find electronic devices and circuits previous year question papers for Bachelor of Technology Electronics and Communication Engineering, 3rd semester?
This page lists electronic devices and circuits question papers uploaded for Punjab Technical University Bachelor of Technology Electronics and Communication Engineering, 3rd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year electronic devices and circuits papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does electronic devices and circuits usually cover?
The question papers here relate to the official electronic devices and circuits syllabus set by the university for this course and semester.
05 Does this page include a electronic devices and circuits question bank with answers or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology Electronics and Communication Engineering?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology Electronics and Communication Engineering.
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Important Disclaimer
BRpaper is not the official website of Punjab Technical University or any institution. BRpaper organizes available question papers for student reference only. For official notices, date sheets, results, syllabus changes, and academic updates, students should visit the official university website.