Week 1 : Introduction of this course; Objective of the course; Revisit to pre-requisite topics; Starting with simple diode circuit and its analysis.
Week 2 : Revisiting BJT - operation and characteristic equations. Revisiting MOSFET - operation and characteristic equations
Week 3 : Analysis of simple non-linear circuits (containing one transistor) and introducing the notion of signal amplification. Input-output transfer characteristic of a non-linear circuit. Linearization of input-output transfer characteristic of a non-linear circuit and introducing the notion of small signal equivalent circuit. Small signal models of transistors.
Week 4 : Amplifier models (equivalent circuits): voltage amplifier, current amplifier, trans-conductance amplifier and trans-resistance amplifier. Cascading of multiple amplifiers. Common emitter (CE) amplifier – biasing, operation, analysis numerical examples and design guidelines. Common source (CS) amplifier – biasing, operation, analysis, Numerical examples and design guidelines.
Week 5 : Frequency response of CE and CS amplifiers. Frequency response of CE and CS amplifiers considering High frequency models of BJT and MOSFET. Limitations of CE/CS amplifiers and hence the need of buffers.
Week 6 : Common Collector (CC) and Common Drain (CD) amplifiers– biasing, operation, analysis and design. Common Base (CB) and Common Gate (CG) amplifier – biasing, operation, analysis and design.
Week 7 : Multi transistor Amplifiers (operation and analysis): CE-CC; CS-CD; CC-CC; Darlington pair; Cascode amplifiers (CS-CB and CS-CG); Amplifier with active load
Week 8 : Single-ended signaling vs. differential signaling, Differential amplifier: Basic structure and principle of operation, analysis for differential mode gain, common mode gain, ICMR and output swing
Week 9 : Current mirror- operation and analysis, Use of current mirror as bias circuit in amplifiers such as in CE/CS, CC/CD, CB/CG and Differential amplifier. Use of current mirror as signal mirror.
Week 10 : Feedback system: Basic feedback theory; Four different feedback configurations and their characteristics. Effects of feedback on frequency response of an amplifier. Application of feedback in practical circuits.
Week 11 : Oscillation in feedback system and oscillation criterion, Stability analysis of a feedback system, Two-stage differential amplifier and its stability analysis in feedback configuration.
Week 12 : Oscillator: Phase-shift and LC based sinusoidal oscillators. Comparator. Square wave generator
(Optional) : Power efficiency of an amplifier, Different modes of operation of amplifiers and their power efficiency: Class A, Class B, Class AB and Class C
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