A 183 GHz Metamorphic HEMT Low-Noise Amplifier With 3.5 dB Noise Figure

被引:28
作者
Moschetti, Giuseppe [1 ]
Leuther, Arnulf [1 ]
Massler, Herman [1 ]
Aja, Beatriz [1 ]
Roesch, Markus [1 ]
Schlechtweg, Michael [1 ]
Ambacher, Oliver [1 ]
Kangas, Ville [2 ]
Genevieve-Perichaud, Marie [2 ]
机构
[1] Fraunhofer Inst Appl Solid State Phys IAF, D-79108 Freiburg, Germany
[2] European Space Agcy ESTEC, NL-2200 AG Noordwijk, Netherlands
关键词
G-band; low-noise amplifiers (LNAs); metamorphic high electron mobility transistor (mHEMT); monolithic microwave integrated circuit (MMIC);
D O I
10.1109/LMWC.2015.2451355
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This letter presents a 183 wGHz low-noise amplifier (LNA), designed primarily for water vapor detection in atmosphere. The LNA requirements were defined by MetOp Second Generation (MetOp-SG) Microwave Sounder, Microwave Imager and Ice Cloud Imager instruments. MetOp-SG is the European contribution to operational meteorological observations from polar orbit. This LNA advances the current state-of-the-art for the InGaAs metamorphic high electron mobility transistor (mHEMT) technology. The five-stage common-source MMIC amplifier utilizes transistors with a gate length of 50 nm. On-wafer measurements show a noise figure of 3.5 dB at the operative frequency, about 1 dB lower than previously reported mHEMT LNAs, and a gain of 24 +/- 2 dB over the bandwidth 160-200 GHz. The input and output matching are -11 dB and -10 dB , respectively. Moreover, the dc power dissipation at the optimal bias for noise is as low as 24 mW.
引用
收藏
页码:618 / 620
页数:3
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