NDLI: Stabilization of magnet current using Josephson voltage standard

Content Provider	IEEE Xplore Digital Library
Author	Kyu-Tae Kim Mun-Seog Kim Po Gyu Park
Copyright Year	2005
Description	Author affiliation: Electr. & Magnetism Group, Korean Res. Inst. of Stand. & Sci., Daejeon, South Korea (Kyu-Tae Kim; Mun-Seog Kim; Po Gyu Park)
Abstract	A feedback method is suggested, allowing the stabilization of a high current source by using the programmable Josephson voltage standard (PJVS) voltage reference. It is demonstrated that a current of 0.1 A from a calibrator with an inherent stability of 10/sup 5/ A/A to 10/sup 6/ A/A can be stabilized within a standard deviation of 2/spl times/10/sup 8/ A/A. The advantage of the feedback method is that in principle, any high current can be stabilized effectively if the appropriate current sensing resistors are available. The compliance voltage of the stabilized current to the load depends only on the compliance voltage of the main current source and of the voltage-to-current converter, regardless of the output level of the PJVS array.
Sponsorship	Magnetics Soc. of Japan Magnetics Soc. of the IEEE
Starting Page	823
Ending Page	824
File Size	192144
Page Count	2
File Format	PDF
ISBN	0780390091
DOI	10.1109/INTMAG.2005.1463840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-04-04
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistors Superconducting magnets Stability Detectors Josephson junctions Superconducting device noise Testing Output feedback Voltage control Microwave antenna arrays
Content Type	Text
Resource Type	Article

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