Course Details
Subject {L-T-P / C} : EC3002 : Advanced Electronics Circuits and Applications { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Sougata Kumar Kar
Syllabus
Transistor Modelling and Circuits: Ebers Moll Model for the bipolar transistor and its modifications. - Hybrid pi model and high frequency effects. - SPICE parameters for bipolar transistors. - Common emitter, common base and common collector amplifiers. - Bode Diagram, Bandwidth, low and high frequency effects. - Miller effect - Amplifier design. - Differential pair. Oscillators: Feedback principle, Effect of feedback, Classification of oscillators, Barkhausen Criterion - Mechanism for start of oscillation and stabilization of amplitude, General form of an Oscillator, Analysis of LC oscillators – Hartley and Colpitts, Tuned collector oscillators, RC oscillators - phase shift –Wien bridge - Twin-T Oscillators, Frequency range of RC and LC Oscillators, Quartz Crystal Construction, Electrical equivalent circuit of Crystal, Miller and Pierce Crystal oscillators, frequency stability of oscillators. Wave Shaping and Multivibrator Circuits: RC & RL Integrator and Differentiator circuits – Storage, Delay and Calculation of Transistor Switching Times – Speed-up Capaitor - Diode clippers, Diode comparator - Clampers. 555 Timer, Astable multivibrator – Monostable multivibrator - Bistable multivibrators - Triggering methods for Bistable multivibrators - Schmitt trigger circuit, Filters: Introduction to filters and filter specifications. The Butterworth, Chebyshev, Bessel and Elliptic filters, Realisation of active filters. Data Conversion - Basic specs of converters: Sampling (relation to Nyquist), linearity, resolution (relation to SNR), Introduction to Analogue-to-Digital Conversion - Sample and Hold, analogue multiplexing - Anti-alias filter requirements, Topologies - Successive Approximation, Dual Slope, Binary Weighted, Introduction to Digital-to-Analogue Conversion - Properties of DACs - R/2R ladder topology - The need for reconstruction filters.
Course Objectives
- Revision of transistor modelling and basic amplifiers and feedback.
- Understanding advanced electronic circuits like oscillators, timer circuits, filters and ADCs, DACs.
Course Outcomes
A graduate student should able to understand the basic principles and design of oscillators, multivibrator circuits along with various filter topologies and data converters.
Essential Reading
- Schilling and Belove, Electronic Circuits, TMH , 3rd Edition, 2002.
- Millman J. and Taub H., Pulse Digital and Switching Waveforms, TMH , 3rd Edition, 2017.
Supplementary Reading
- Robert L. Boylestad and Louis Nasheresky, Electronic Devices and Circuit Theory, Pearson Education India , 11th Edition, 2015
- David A. Bell, Electronic Devices and Circuits, Oxford Higher Education , 5th Edition, 2008.