Course Objective This is one of the fundamental courses meant to recall concepts of semiconductor physics and understand the behavior and working of semiconductor devices using mathematical models. Course Outcomes At the end of this course students will demonstrate the ability to 1. Understand the physics of semiconductors and behavior of charge carriers within semiconductors 2. Understand the working of semiconductor diodes supported with a mathematical explanation. 3. Understand the working of BJT and MOSFET with their equivalent small-signal models. 4. Understand the chemical processes used in the fabrication of integrated circuits. Unit 1: Semiconductor Physics Review of quantum mechanics; electrons in periodic lattices; e-k diagrams; energy bands in intrinsic and extrinsic silicon; diffusion current; drift current; mobility and resistivity; sheet resistance; design of resistors. Unit 2: Diodes Generation and recombination of carriers; Poisson and continuity equation p-n junction characteristics; V-I characteristics; small signal switching models; avalanche breakdown; Zener diode; Schottky diode; light-emitting diode; tunnel diode; varactor diode, solar cell, Rectifier & Regulator circuits. Unit 3: Transistors Bipolar junction transistor; V-I characteristics; Ebers-Moll model; Transistor Configurations - CE, CB, CC; MOS capacitor; MOSFET - Construction, and Working; I-V characteristics; Depletion-type and Enhancement-type MOS. Unit 4: Fabrication Processes Oxidation; diffusion; ion-implantation; Annealing; photolithography; etching; chemical vapour deposition (CVD); sputtering; twin-tub CMOS process.