Amplifiers - Microwave semiconductor devices and models; Power gain equations, stability, impedance matching, constant gain and noise figure circles; Small signal, low noise, high-power and broadband amplifier designs.;Oscillators - One port, two port, YIG dielectric and Gunn-diode oscillators.;Two terminal microwave devices and circuits:;PIN diodes and uses as switches, phase shifters and limiters;Varactor diodes, IMPATT and TRAPATT devices, transferred electron devices.;Microwave BJTs. GaAs FETs, low noise and power GaAs FETs and their applications. Microwave Mixers.