Objectives:
- To understand applications of diodes and transistors
- To understand working of MOSFET
- To provide an insight into the working, analysis and design of basic analog circuits using BJT and MOSFET.
Module I (10)
RC Circuits: Response of high pass and low pass RC circuits to sine wave, step, pulse and square wave inputs, Tilt, Rise time. Differentiator, Integrator. Small signal diode model for low and high frequencies, clipping and clamping circuits.
Analysis of half wave, full wave and bridge rectifiers. Analysis of L, C, LC & π filters. Zener voltage regulator, transistor series (with feedback) and shunt voltage regulators, short circuit and fold back protection.
Module II (14)
DC analysis of BJTs - BJT as amplifier. Small signal equivalent circuits (Low frequency π and h models only). Transistor Biasing circuits, Stability factors, Thermal runaway. Small signal analysis of CE, CB, CC configurations using approximate hybrid π model (gain, input and output impedance)
Module III (12)
MOSFET I-V relation, load lines, small signal parameters, small signal equivalent circuits, body effect. Biasing of MOSFETs amplifiers. Analysis of single stage discrete MOSFET amplifiers – small signal voltage and current gain, input and output impedance of Basic Common Source amplifier, Common Source amplifier with and without source bypass capacitor, Source follower amplifier, Common Gate amplifier.
Module IV (12)
High frequency equivalent circuits of BJTs, MOSFETs, Miller effect, short circuit current gain, s-domain analysis, amplifier transfer function. Analysis of high frequency response of CE, CB, CC and CS, CG, CD amplifiers.
Module V (12)
Power amplifiers: Class A, B, AB and C circuits - efficiency and distortion. Biasing of class AB circuits. Transformer less power amplifiers.
Feed back amplifiers - Properties of negative feed back. The four basic feed back topologies-Series-shunt, series-series, shunt-shunt, shunt-series. Analysis and design of discrete circuits in each feedback topology - Voltage, Current, Trans conductance and Trans resistance amplifiers, loop gain, input and output impedance. Stability of feedback circuits.
References:
- Sedra and Smith: Microelectronic Circuits, 4/e, Oxford University Press 1998.
- B. Razavi , “Fundamentals of Microelectronics”, Wiley
- Donald A Neamen. : Electronic Circuit Analysis and Design, 3/e, TMH.
4. Millman and Halkias: Integrated Electronics, TMH, 2004.
- Spencer & Ghausi: Introduction to Electronic Circuit Design, Pearson Education, 2003.
- Roger T. Howe, Charles G. Sodini: Microelectronics: An Integrated Approach, Pearson Education, 1997.
- R E Boylstead and L Nashelsky: Electronic Devices and Circuit Theory, 9/e, Pearson Education