III YEAR – V SEMESTER
COURSE CODE: 4BPH5C1
CORE COURSE IX – ANALOG ELECTRONICS
Unit I SEMICONDUCTOR DIODES AND REGULATED POWER SUPPLIES
Semiconductor diode – Crystal diode – Rectifiers – Half and full – Wave rectifiers – Bridge rectifier– Efficiency – Ripple factor – Filter circuits.
Zener diode – characteristics – Voltage regulator – Regulated power supply – Problems.
Unit II TRANSISTORS AND TRANSISTOR BIASING
Transistor action – CB, CE & CC modes – Comparison – Amplifier in CE arrangement – Load line analysis – Cut – off and Saturation – Power rating – Application of CB amplifier.
Transistor biasing – Various methods of transistor biasing: base resistor, feedback resistor, voltage divider methods – Hybrid parameters – Determination of h parameters – Analysis of a transistor CE amplifier using h parameters.
Unit III AMPLIFIERS – SINGLE STAGE & MULTISTAGE
Single stage amplifier – Phase reversal – DC & AC equivalent circuits – Load line analysis – Voltage gain – Classification of amplifiers – Input impedance of an amplifier.
Multistage transistor amplifier – RC, transformer, direct coupled amplifiers – Comparison of different types of amplifiers.
Unit IV AUDIO AMPLIFIERS AND OSCILLATORS
Transistor audio power amplifier – Difference between voltage and power amplifiers – Performance quantities of power amplifiers – Classification of power amplifiers – Expression for collector efficiency – Class A amplifier – Push – Pull amplifier – Heat sink.
Feedback principle – Negative and positive feedback – Current gain with negative feedback – Emitter follower – DC analysis – Types of oscillations – Undamped oscillations – Colpitt, Hartley, Phaseshift Oscillator.
Unit V OP AMPS
OP AMP: characteristics, OP AMP biasing – Non – inverting & Inverting amplifiers – Applications of OPAMP – adder, subtractor, differentiator, integrator – waveforms study, scale changer and sign changer – Instrumentation amplifier – Voltage level detector.
OP AMP signal generators: Phase shift, Colpitts', Hartley, Square wave and triangular wave generators.
Books for Study
1. V.K.Mehta, Principles of Electronics, S.Chand & Co Ltd.,10th Edition 2007.
2. R.S.Sedha – Text Book of Applied Electronics, S.Chand & Co Ltd., II Edition 2004.
Books for Reference
1. B.L. Theraja – Basic Electronics – S. Chand & Co, V Edition 2009.
2. Malvino & Leach – Transistor Approximations – International Publication – 2000.