DocumentCode
992630
Title
Cryogenic GaAs FET amplifier
Author
Withington, S.
Author_Institution
University of Cambridge, Mullard Radio Astronomy Observatory, Cavendish Laboratory, Cambridge, UK
Volume
20
Issue
12
fYear
1984
Firstpage
506
Lastpage
508
Abstract
An extremely low noise, cryogenic, gallium arsenide field-effect-transistor amplifier has been developed for the frequency range 3.7 to 4.2 GHz. The amplifier has an average noise temperature of 25 K, with an associated gain of 21 dB, when cooled to a physical temperature of 77 K.
Keywords
III-V semiconductors; cryogenics; field effect transistor circuits; gallium arsenide; microwave amplifiers; solid-state microwave circuits; 21 dB gain; 25K noise temperature; 3.7 to 4.2 GHz; 77K; FET amplifier; GaAs; III-V semiconductors; SHF; cryogenic type; solid-state microwave circuits;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19840352
Filename
4248817
Link To Document