Semiconductor Devices

Part 1 Semiconductors and applications of semiconductor devices: semiconductor materials - pure semiconductors, doped semiconductors, recombination; typical applications of semiconductor devices - semiconductor diodes, field effect transistors (FETS), bipolar junction transistors (BJTS), thyristors. Part 2 PN junction diodes: the silicon pnjunction; current flow in semiconductors; the pn junction in equilibrium; current through a pn junction; transition region width and capacitance; breakdown diodes; recombination and generation in pn junctions; solar cells and photodiodes; charge storage and diffusion capacitance; small signal equivalent circuit of a diode; SPICE. Part 3 Field effect transistors: the junction field effect transistor (JFET); metal-oxide-silicon field effect transistors (MOSFETS); characteristic equation of a MOSFET; the formation of the channel and the threshold voltage; the small signal equivalent circuit. Part 4 Bipolar junction transistors: the principles of the operation of the bipolar transistor; the hybrid - small-signal equivalent circuit; practical design considerations; the dependence of fr, and B on the d.c. collector current; the bipolar transistor as a switch; thyristors. Part 5 Integrated circuits: introduction; silicon integrated circuits based on bipolar npn transistors; the processing steps; pnp transistors; diodes; resistors; capacitors; Schottky diodes; MOSFETs in silicon integrated circuits; charge-coupled devices. Part 6 New technologies: introduction; III-V compounds; the gallium arsenide MESFET; ternary and quaternary compound semiconductors; light-emitting diodes; heterojunction LEDs; semiconductor lasers; heterojunction bipolar transistors.