Download Unit 2: Bipolar Junction Transistor (8 Lectures)

EC101 Elements of Electronics Engineering
L-T-P-Cr: 3-1-0-4;
Prerequisites: Circuit Analysis
Objective: The comprehensive idea of this course is to make students familiar with the
operational principle, analysis, design and application of semiconductor devices like
diodes, bipolar junction transistors, and field effect transistors, op-amps, digital logic
gates and SCR. After obtaining clear understating wide variety of circuits are analyzed
in analog circuits, digital circuits and communication systems.
Course Outcome: Upon successful completion of this course, students should be able
to:
Understand the principle of electronic devices, and develop skills to use and design
diodes as power supply rectifiers
Understand the operation of transistors in switching circuits
Design logic gates using diodes and transistor
Understand the main elements of power electronics devices, and the principles related
to its operation.
Topics Covered
Part I:
Unit 1: Semiconductor diodes (6 Lectures)
Semiconductor materials-Intrinsic and Extrinsic types, Ideal diode, Terminal
Characteristics of diodes: p-n junction diode under open circuit, forward bias, and
reverse bias conditions, Photodiode, LightEmitting Diode, Diode Applications-Half-wave
Rectifiers, Full-wave Rectifiers & Filters, Clipping & Clamping Circuits, Breakdown
mechanism in diode, Zener diode & its application as voltage regulator
Unit 2: Bipolar Junction Transistor (8 Lectures)
BJT Introduction: Basic theory and operation of PNP and NPN transistor, Basics of C-B,
C-E, C-C amplifier configuration, DC analysis of Transistor circuits, Transistor DC Biasing:
Load line analysis, operating point, Biasing of BJT: Emitter feedback bias, Voltage
Divider bias, Transistor as a switch: cut-off and saturation modes, High frequency
model of BJT amplifier (brief description)
Unit 3: Field Effect Transistor (8 Lectures)
FET: Introduction, operation, JFET parameters, JFET characteristics, JFET amplifiers,
MOSFET: introduction, Depletion type MOSFET and Enhancement type MOSFET,
MOSFET parameters, D.C. operation of MOSFET circuits, MOSFET as an amplifier, Brief
description of basic MOSFET amplifier configurations: common source, common gate
and common drain types, Biasing in MOSFET amplifiers, High frequency model of
MOSFET amplifier (brief description)
Unit 4: Operational Amplifier (4 Lectures)
Ideal Op-amp, CMRR, and its application as differential amplifier, Practical op amp
circuits: inverting and non-inverting amplifier, summer, integrator, differentiator
Unit5: Logic circuits and Applications (5 Lectures)
Logic gates and circuit, logic circuit implementation using diodes and transistors,
combinational logic circuit, SOS and POS minimization methods
Unit 6: Principles & application of SCR & UJT (4 Lectures)
Silicon Controlled Rectifier, Uni-junction Transistor and its applications
Unit 7: Measuring Instruments (3 Lectures)
Cathode Ray Oscilloscope & Multi-meter
Text Books:
1. Electronic Devices & Circuits, Mottorshed
2. Electronic Devices & Circuit Theory by Boylestad and Nashelsky, Pearson
3. Electronic Principles, Albert Malvino & Davis J.Bates, 7th Ed. TMH
Reference Books:
1. Electronic Circuit & System by R. J. Smith, Wiley
2. Microelectronics, Millman and Gabrial, McGrath Hill
3. Digital Electronics, Morris Manno