NPTEL Courses

Basic Electronics

This course discusses basic concepts and applications of some of semiconductor devices: diodes, bipolar junction transistors, field effect transistors, and operation amplifiers. Semiconductor Diodes: Semiconductor materials- intrinsic and extrinsic types, Physics and structure of diodes, Diode small signal model, Zener diode, Rectifier circuits, Clipping and clamping circuits. Bipolar Junction Transistors: Physical structure and operation modes, Active region operation of transistor, DC analysis of transistor circuits, Transistor as an amplifier, Biasing the BJT, Transistor as a switch, High frequency model of BJT amplifier. Field Effect Transistors: Metal Oxide Semiconductor Field Effect Transistor, DC operation of MOSFET circuits, MOSFET as an amplifier, High frequency model of MOSFET amplifier. Operation Amplifiers: Ideal Op-Amp, Differential amplifier, Practical op-amp circuits, Large signal operation of op-amps, Applications of Op-Amps. Power Circuits and Systems: Class A large signal amplifiers, Transformer coupled audio power amplifier, Class B amplifier, Class AB operation, Power BJTs, Regulated power supplies. (from nptel.ac.in )


Dr. Chitralekha Mahanta, Department of Electronics and Communication Engineering, IIT Guwahati.

Record ID


Lecture 01 - Semiconductor Materials: Intrinsic and Extrinsic