DocumentCode
2944927
Title
Medium size cryogenic current comparator as very low current amplifier
Author
Gay, F. ; Piquemal, F. ; Geneves, G.
Author_Institution
Lab. Central des Ind. Electr., Bur. Nat. de Metrol., Fontenay-aux-Roses, France
fYear
1998
fDate
6-10 July 1998
Firstpage
217
Lastpage
218
Abstract
This paper describes the realisation of a medium size CCC (30000:1 windings ratio) and the experimental optimisation of its sensitivity. First results reported on give a sensitivity of 7.7 /spl mu/A. turn per flux quantum.
Keywords
amplifiers; cryogenic electronics; current comparators; sensitivity; cryogenic current comparator; current amplifier; sensitivity; Cryogenics; Electrons; Inductance; Josephson effect; Metrology; SQUIDs; Superconducting coils; Superconducting device noise; Superconductivity; Tunneling;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location
Washington, DC, USA
Print_ISBN
0-7803-5018-9
Type
conf
DOI
10.1109/CPEM.1998.699875
Filename
699875
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