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MMIC-based components for MM-wave instrumentation

: Vassilev, V.; Wadefalk, N.; Kozhuharov, R.; Abbasi, M.; Gunnarsson, S.E.; Zirath, H.; Pellikka, T.; Emrich, A.; Pantaleev, M.; Kallfass, I.; Leuther, A.


IEEE microwave and wireless components letters 20 (2010), No.10, pp.578-580
ISSN: 1051-8207
ISSN: 1531-1309
Journal Article
Fraunhofer IAF ()
frequency multiplier; MHEMT; millimeter wave circuit; millimeter wave receiver; monolithic microwave integrated circuit (MMIC); 118 GHz

In this letter, we present results of fully integrated 90-130 GHz receiver based on 100 nm mHEMT technology. The receiver contains a low noise amplifier (LNA), mixer and LO multiplier chain integrated into a single monolithic microwave integrated circuit (MMIC). The circuit is packaged into a waveguide block, characterized and compared to on-wafer measurements. Waveguide to microstrip transitions are used to interface the MMIC to the waveguide. A breakout LNA circuit is also packaged, and its performance is compared to the receiver. The LNA noise was characterized on a wafer and after packaging. The packaged module is measured at both room and cryogenic temperatures, NF of 3.7 dB is measured at 300 K and 0.9 dB at 20 K.