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An Active High Conversion Gain W-Band Up-Converting Mixer for Space Applications

M. Hossain, M. Hrobak, D. Stoppel, W. Heinrich and V. Krozer

Published in:

IEEE MTT-S Int. Microw. Symp. Dig., Philadelphia, USA, Jun. 10-15, pp. 682-685 (2018).


This paper presents an active W-band up-converting double-balanced Gilbert mixer realized in 800 nm transferred substrate (TS) InP-DHBT technology. It consists of an active balun and a frequency doubler followed by a double-balanced Gilbert cell mixer. The local oscillator (LO) of the mixer operates from 39 to 45 GHz with an input power of less than 3 dBm. The mixer achieves a single sideband (SSB) conversion gain of 8 dB ± 2 dB in the frequency range 75 ... 96 GHz. The measured output 1 dB compression (OP1dB) reaches -7 dBm and -8.5 dBm at 75 GHz and 86 GHz, respectively. The up-converter offers more than 15 GHz IF bandwidth, at a DC consumption of only 80 mW.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (FBH), Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany

Index Terms:

InP double heterojunction bipolar transistor (DHBT), monolithic microwave integrated circuit (MMIC), millimeter wave up-converter, Marchand balun, transferred-substrate process (TS), Gilbert cell mixer (GC).

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