Correction of Systematic Errors Due to the Voltage Leads in an AC Josephson Voltage Standard

被引:22
|
作者
Filipski, Piotr S. [1 ]
Kinard, Joseph R. [2 ]
Lipe, Thomas E. [2 ]
Tang, Yi-Hua [2 ]
Benz, Samuel P. [3 ]
机构
[1] Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada
[2] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA
[3] Natl Inst Stand & Technol, Boulder, CO 80305 USA
关键词
Josephson arrays; quantization; quantum-based standard; signal synthesis; standards; superconductor-normal-superconductor devices; voltage measurement; DC TRANSFER-STANDARD;
D O I
10.1109/TIM.2008.2008086
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The National Institute of Standards and Technology (NIST) has recently reported the first application of a quantum ac Josephson voltage standard for the calibration of thermal transfer standards In the 1- to 10-kHz frequency range. This paper describes preliminary work on extending its frequency calibration range up to 100 kHz by correcting the systematic errors due to voltage leads. A ground loop created by the de blocks, which is a previously unaccounted source of high-frequency systematic error, hits been identified, and its effects are partially mitigated.
引用
收藏
页码:853 / 858
页数:6
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