Differential Sampling Measurement of a 7 V RMS Sine Wave With a Programmable Josephson Voltage Standard

被引：55
作者：
Ruefenacht, Alain [1 ]
Burroughs, Charles J., Jr. [1 ]
Dresselhaus, Paul D. [1 ]
Benz, Samuel P. [1 ]
机构：
[1] NIST, Boulder, CO 80305 USA
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2013年 / 62卷 / 06期
关键词：
Analog-digital conversion; Josephson arrays; power measurement; quantization; signal synthesis; standards; superconductor-normal-superconductor devices; voltage measurement; POWER STANDARD; ERROR;
D O I：
10.1109/TIM.2013.2237993
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：
A 10 V programmable Josephson voltage standard has enabled sine waves with voltages up to 7 V RMS to be accurately measured with a differential sampling measurement technique. Expanding the voltage range for this technique enables the direct calibration of the low-frequency ranges of commercial calibrators in the ac voltage mode. This paper reviews the practically achievable performance and challenges of the differential sampling measurement technique that arise when measuring RMS voltages greater than a few volts. A relative Type A uncertainty of 4 parts in 10(7) was achieved with the technique when measuring a 7 V RMS sine wave generated by a calibrator at 62.5 Hz.
引用
收藏
页码：1587 / 1593
页数：7
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