Low noise amplifiers for MetOp-SG
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AuthorRösch, Markus; Tessmann, Axel; Leuther, Arnulf; Weber, Rainer; Moschetti, Giuseppe; Aja Abelán, Beatriz; Kotiranta, Mikko; Massler, Hermann; Kangas, Ville; Perichaud, Marie-Genevieve; Schlechtweg, Michael; Ambacher, Oliver
We present low-noise amplifiers (LNA) that have been developed in the framework of two pre-qualification ESA projects for frequencies between 54 and 229 GHz for the METOP-SG satellite program. The main goal of these satellites is water vapor detection in atmospheric science and weather forecasting which advances the current state of the art for the metamorphic high electron mobility transistor (mHEMT) technology. The MMIC amplifiers are based on the In0.52Al0.48As/In0.8Ga0.2As/In0.53Ga0.47As heterostructure and utilize transistors with a gate length of 50 nm. On-wafer measurements will be presented for all frequency bands as well as results of packaged LNAs.
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