A 14/12GHz Harmonic Mixer

摘要

This paper describes the principle, design, simulation and experiment results of a 14/12GHz harmonic mixer used for satellite-borne microwave receiver. The mixer consists of a Lange coupler, an input filter, an output filter and matching networks etc. The conversion gain is -16.25dB in the 14.00-14.25GHz frequency region, the in-band flatness is less than 1 dB and the VSWR less than 2.