Progress toward a 1 V pulse-driven ac Josephson voltage standard

被引：3
|
作者：
Benz, S. P. [1 ]
Dresselhaus, P. D. [1 ]
Bergren, N. F. [1 ]
Landim, R. P. [1 ]
机构：
[1] Natl Inst Stand & Technol, Boulder, CO USA
来源：
2008 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS DIGEST | 2008年
关键词：
D O I：
10.1109/CPEM.2008.4574646
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：
We present a new record output voltage of 275 mV rms, which is a 25 % improvement over the maximum achieved with previous ac Josephson voltage standard circuits. We demonstrate operating margins for these circuits and use them to measure the harmonic distortion of a commercial digitizer. Having exceeded the threshold of 125 mV rms for a single array of Josephson junctions, we propose an eight-array circuit capable of achieving 1 V rms.
引用
收藏
页码：48 / 49
页数：2
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