**PH-303 Circuits and Devices.**

- Ohm’s law, Kirchoff’s voltage and current laws, the superposition principle, multi-path circuits.
- Source transformation, maximum power transfer theorem, Thevenin-Norton equivalent circuits, linear system analysis basics.
- Introduction to semiconductors, intrinsic and extrinsic semiconductors, temperature dependence of carrier concentrations, electrons and holes.
- Basic principles of pn junctions, built-in potential, and space charge layers, forward and reverse bias, the diode equation.
- Ideal diodes, terminal characteristics of junction diodes, modeling the diode forward characteristic, operation in the reverse breakdown region.
- Rectifier circuits, limiting and clamping circuits, special diodes (Zener and tunnel diodes) and applications.
- Fully controlled single phase SCR bridge rectifier and rectifier circuits, switch mode power supplies.
- Bipolar Junction Transistors (BJT), device structure and physical operation, current-voltage characteristics, DC analysis and biasing techniques, small-signal operation and models, single stage amplifier, transfer functions, BJTs as a switch.
- Basic operational amplifiers, inverting and non-inverting, differential modes, gain and bandwidth, frequency response, nonlinear applications.
- Principles of feedback, stability, oscillator circuits, analysis in real time and frequency space.

**Recommended texts:**

*Microelectronic Circuits*, by A.S. Sedra and K.C. Smith, publisher: Oxford University Press, 5th Edition (2007).*Semiconductor Physics and Devices*, by DS. A. Neamen, publisher: McGraw – Hill Science/Engineering/Math, 3rd Edition (2002)*Electrical Circuit Theory and Technology*, by J. O. Bird, publisher: Newnes (an Imprint of Butterworth – Heinemann Ltd), 2nd Revised Edition (2003)