A Precision Microvolt-Synthesizer Based on a Pulse-Driven Josephson Voltage Standard

被引：9
|
作者：
Behr, Ralf [1 ]
Kieler, Oliver [1 ]
Schumacher, Bernd [1 ]
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2017年 / 66卷 / 06期
关键词：
Josephson arbitrary waveform; synthesizer (JAWS); Josephson voltage standard (JVS); measurement techniques; measurement uncertainty;
D O I：
10.1109/TIM.2016.2619998
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：
In this paper, we describe the development of a precision microvolt-synthesizer, which could be part of a system that enables much larger amplitudes up to 1 V. The synthesizer is based on a pulse-driven Josephson arbitrary waveform synthesizer covering wide voltage ranges from nanovolt to millivolt and wide frequency ranges from dc to audio frequencies, respectively. We demonstrate 1.7-mA-wide current margins for the pulse-driven system that make automated calibration of typical null detectors, such as nanovoltmeters or lock-in amplifiers, easy. Uncertainties at the nanovolt level can be achieved within short measurement times, depending on the instruments being calibrated.
引用
收藏
页码：1385 / 1390
页数：6
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