Development of a Millimeter-Wave Band Integrated NRD-Guide R/T Block

A new type millimeter-wave receiving/transmitting front-end using nonradiativedielectric waveguide (NRD-guide) as internal transmission line is pressented in this paper. Thereceiving front-end consists of a NRD-guide crossbar balanced mixer, a NRD-guide LSE modelocal oscillator and impedance-converters. The transmitter is substantiated as two kinds, thevoltage controlled oscillator(VCO) and dual-diode power-combiner. The block, which possessescompact size, fine machinery and nice electric performances, is suitable for Ka-band system.