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Operating margins for a pulse-driven programmable voltage standard

被引：14
|
作者：
Benz, SP
Burroughs, CJ
Hamilton, CA
机构：
[1] National Institute of Standards and Technology, Boulder CO 80303-3328
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期
关键词：
D O I：
10.1109/77.621784
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 have designed and fabricated a Josephson voltage standard where the voltage can be rapidly and continuously programmed by changing the repetition frequency of a pulse drive. Simulations are made to optimize the operating margins of the circuit for different pulse waveforms. The response of a 1000-junction array of Nb-PdAu-Nb junctions is measured, and constant-voltage step heights are characterized as a function of the pulse amplitude, pulse width, and frequency. A dc bias range of 0.62 mA is demonstrated over a continuous voltage-tunable range from -6.2 mV to +6.5 mV.
引用
收藏
页码：2653 / 2656
页数：4
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