使用低温电流比较器的自平衡电阻比电桥

1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI:10.1109/CPEM.1988.671233

J. Kinoshita, K. Inagaki, C. Yamanouchi, K. Yoshihiro, S. Kawaji, N. Nagashima, N. Kikuchi, J. Wakabayashi

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引用次数: 29

摘要

描述了一种低温电流比较器电阻桥，用于测量1、10、100和6453.2 ω对1 ω的电阻比。结果表明，1- ω比较的精度优于0.01 p.p.m.，这是通过在二次电流源中使用改进的反馈系统实现的。>

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Self-Balancing Resistance Ratio Bridge Using a Cryogenic Current Comparator

A cryogenic current comparator resistance bridge, developed to measure the resistance ratios of 1, 10, 100, and 6453.2 Omega against 1 Omega , is described. It is shown that the precision of the 1- Omega comparison is better than 0.01 p.p.m. This is attained by using an improved feedback system in the secondary current source. >

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1988 Conference on Precision Electromagnetic Measurements

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