Abstract

A planar W-band single balanced mixer is designed and measured in this paper. This mixer is realized by using two novel IF- block, a rat-race ring with the flfth port, two beamlead GaAs Schottky diodes and two RF chokes. The novel IF-block which designed the flrst time in W-band is employed to provide re∞ection points for IF signal and to provide low loss path in wide bandwidth for the RF and LO signals. To our knowledge, the mixer shows the best conversion loss at 95GHz and the highest 1dB power compression (Pi1dB) point among the W-band planar hybrid microwave integrated circuit (HMIC) mixers.

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