UNIT - I Multistage Amplifiers : Classification of Amplifiers, Distortion in amplifiers, Different coupling schemes used in amplifiers, Frequency response and Analysis of multistage amplifiers, Casca RC Coupled amplifiers, Cascode amplifier, Darlington pair. Transistor at High Frequency : Hybrid - π model of Common Emitter transistor model, fα, fβ and unity gain bandwidth, Gain-bandwidth product. (Chapters - 1, 2) UNIT - II Feedback Amplifiers : Concepts of feedback - Classification of feedback amplifiers - General characteristics of Negative feedback amplifiers - Effect of Feedback on Amplifier characteristics - Voltage series, Voltage shunt, Current series and Current shunt Feedback configurations - Simple problems. (Chapter - 3) UNIT - III Oscillators : Condition for Oscillations, RC type Oscillators - RC phase shift and Wien-bridge Oscillators, LC type Oscillators - Generalized analysis of LC Oscillators, Hartley and Colpitts Oscillators, Frequency and amplitude stability of Oscillators, Crystal Oscillator. (Chapter - 4) UNIT - IV Large Signal Amplifiers : Class A Power Amplifier - Series fed and Transformer coupled, Conversion Efficiency, Class B Power Amplifier - Push Pull and Complimentary Symmetry configurations, Conversion Efficiency, Principle of operation of Class AB and Class - C Amplifiers. Tuned Amplifiers : Introduction, single Tuned Amplifiers - Q-factor, frequency response of tuned amplifiers, Concept of stagger tuning and synchronous tuning. (Chapters - 5, 6) UNIT - V Multivibrators : Analysis and Design of Bistable, Monostable, Astable Multivibrators and Schmitt trigger using Transistors. Time Base Generators : General features of a Time base Signal, Methods of Generating Time Base Waveform, concepts of Transistor Miller and Bootstrap Time Base Generator, Methods of Linearity improvement. (Chapters - 7, 8)
