New current probing method for superconducting integrated circuits
作者:
I. Hanyu,
H. Suzuki,
H. Tamura,
S. Hasuo,
期刊:
Journal of Applied Physics
(AIP Available online 1985)
卷期:
Volume 57,
issue 11
页码: 5078-5080
ISSN:0021-8979
年代: 1985
DOI:10.1063/1.335289
出版商: AIP
数据来源: AIP
摘要:
A new current probing method for measuring the current level in superconducting integrated circuits is proposed. In this method, a SQUID (superconductive quantum interference device) is used to pickup unknown superconductive current and a negative feedback loop is used to automatically compensate the unknown current. We have experimentally obtained a resolution of less than 2 &mgr;A and a high accuracy of better than 1%.
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