DocumentCode
1406107
Title
Cryogenic microwave amplifiers for precision measurements
Author
Ivanov, Eugene N. ; Hartnett, John G. ; Tobar, Michael E.
Author_Institution
Dept. of Phys., Western Australia Univ., Nedlands, WA, Australia
Volume
47
Issue
6
fYear
2000
Firstpage
1273
Lastpage
1274
Abstract
The noise performance of two cryogenic HEMT amplifiers has been studied. The effective noise temperature for each amplifier is shown to be close to the 6 K thermodynamic temperature before a power threshold of about -70 dBm is achieved.
Keywords
HEMT circuits; cryogenic electronics; microwave amplifiers; microwave measurement; HEMT amplifiers; cryogenic microwave amplifiers; effective noise temperature; microwave measurement; power threshold; precision measurements; Circuit noise; Cryogenics; Fluctuations; HEMTs; Low-noise amplifiers; Microwave amplifiers; Microwave measurements; Noise measurement; Power amplifiers; Temperature;
fLanguage
English
Journal_Title
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
Publisher
ieee
ISSN
0885-3010
Type
jour
DOI
10.1109/58.883514
Filename
883514
Link To Document