Fundamental semiconductor physics: electrons and holes, energy band diagram, Fermi energy, intrinsic and doped semiconductors, drift and diffusion currents. Physics of P-N junctions, bipolar and MOS transistors. Device performance measures: current efficiency, transit frequency and intrinsic gain. Frequency response of transistor amplifiers. Filters. Feedback principles, stability and frequency compensation. Oscillators. (Not for students who have taken ELEG2110 or ESTR3200; Prerequisite: ELEG2202 or BMEG2300 or with the consent of the instructor.)