Dambrine, G. ; Parenty, Thierry ; Bollaert, S. ; Happy, Henri ; Cappy, A. ; Mateos, Javier ; Nahri, Tapani ; Orlhac, Jean Claude ; Trier, Marc ; Baudet, Pierre ; Landry, Patrice
(2003)
An overview of low noise devices and associated circuits for 100-200 GHz space applications.
In: Gallium Arsenide applications symposium. GAAS 2003, 6-10 October 2003, Munich.
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Abstract
This paper relates the state of the art of the HEMT low noise technologies for the space applications at millimeter wave and specially for the earth observation in the G-band (140 – 220 GHz)).The different III-V technologies (HEMT and LNA)and their associated performance are presented.Parameters limiting the improvement of high frequency characteristics for HEMTs with the downscaling process are studied.
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