A 122 GHz SiGe active subharmonic mixer

Muller, A. ; Thiel, M. ; Irion, H. ; Ruoß, H.-O. (2005) A 122 GHz SiGe active subharmonic mixer. In: Gallium Arsenide applications symposium. GAAS 2005, 3-7 ottobre 2005, Parigi.

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Abstract

A 122 GHz subharmonic mixer for a radar-based sensor has been realized.It is fabricated in SiGe: C-HBT technology with a transit frequency of about 200 GHz. The conversion gain of the mixer is 23 dB at aLO-frequency of 60GHz with +3 dBm of power and a RF-input of 122.5GHz.The measured SSB noise figure at 122.5GHz is 12 dB.

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