Abstract
The article deals with the issues of matching a waveguide transmission line with millimeter wave diodes . The implementation of the transition of a rectangular waveguide to a microstrip switching line in the form of a line of the fin-line type is described . The computer simulation results of the transmission coefficient module of the developed element and the standing wave coefficient by voltage separately for the transition from a rectangular waveguide to a microstrip transmission line and as part of an amplitude detector are shown . A joint application of the developed element with a microstrip detector based on a Schottky diode in the frequency range from 118.1 to 178.4 GHz is proposed . The results of measuring its parameters and the results of determining the sensitivity are given , as well as the evaluation of the results obtained is performed . The obtained results proved the possibility of using the matching element of a waveguide transmission line with a diode in the millimeter wavelength range .
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