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In this paper, a 273-GHz 2X subharmonic passive mixer is proposed for system-on-package applications. The mixer is designed and implemented using thin-film microstrip line on a three-layer package platform. The antiparallel-diode-pair-based mixer up-converts the 135-GHz IF input signal to 273 GHz with a 69-GHz local oscillator. The isolation between the IF and RF ports is achieved by a duplexer. The duplexer is composed of two dual-mode bandpass filters with uniform/nonuniform square ring resonators. The mixer is fabricated and measured, and the measured single-sideband conversion loss is 17.7 dB with an output RF of 270 GHz.
Components, Packaging and Manufacturing Technology, IEEE Transactions on (Volume:2 , Issue: 12 )
Date of Publication: Dec. 2012