The design of 850GHz subharmonic mixer based on Schottky diodes

This paper presents the design and simulation investigation of a 850GHz low-loss subharmonical mixer based on GaAs Schottky barrier diodes. Our group analyzed the topology of subharmonic mixer, device modeling of Schottky diodes, the 3D electromagnetic passive circuits and the mixer circuitry with optimum performance. The antiparallel diodes pair is fabricated from China Electronics Technology Group Coporation-13 Institute, flip-chip mounted on a 25um-thick gallium-arsenide substrate.

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