Abstract

This paper presents a broadband Ka-band single balanced monolithic mixer with double intermediate frequency (IF) output configuration. Implemented on the AlGaAs/GaAs substrate, the mixer is produced by the 0.15μm low-niose pHEMT technology. The mixer covers radio frequency (RF)/local oscillator (LO) operating frequency range from 28 to 40 GHz and IF signal bandwidth from DC to 5 GHz. Conversion gain of each road is less than −2dB at RF frequency between 29GHz and 39GHz with 2GHz output IF frequency. The chip size is only 1.70mm ×1.55mm.

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