A 6 Ghz HEMT low-noise cooled amplifier for a radioastronomical submillimeter heterodyne receiver

Clélia Robert

doi:10.1117/12.2301420

1 December 1990 A 6 Ghz HEMT low-noise cooled amplifier for a radioastronomical submillimeter heterodyne receiver

Clélia Robert

Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 15140A (1990) https://doi.org/10.1117/12.2301420
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States

Abstract

A cooled HEMT low-noise amplifier has been designed for a submillimeter heterodyne balloon-borne receiver working at an intermediate frequency of 6 GHz. A minimum noise temperature of 16 K has been achieved at a cryogenic temperature of 27 K. Different methods for an accurate noise figure measurement in a cryogenic environment will be discussed.

Citation Download Citation

Clélia Robert "A 6 Ghz HEMT low-noise cooled amplifier for a radioastronomical submillimeter heterodyne receiver", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 15140A (1 December 1990); https://doi.org/10.1117/12.2301420

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