Microwave devices and components. Phase delay and propagation velocity. The propagation constant. Transmission line distortion. Wave reflection and the reflection. coefficient. Standing wave ratio. Fundamental waveguide characteristics. Microwave passive components. The directional coupler. Waveguide junctions. Cavity resonators. Circulators and isolators. Microwave active devices. Solid-state devices. Microwave tubes. Multicavity magnetrons.