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Low‐Noise ac Bridge for Resistance Thermometry at Low Temperatures

 

作者: A. C. Anderson,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1973）
卷期: Volume 44, issue 10  

页码: 1475-1477

 

ISSN:0034-6748

 

年代: 1973

 

DOI:10.1063/1.1685977

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A bridge circuit is described which provides an increase in signal/noise by a factor of 10–100 over previous designs frequently used to monitor very low temperature resistance thermometers. The four‐terminal arrangement reads directly in ohms and requires that only the thermometer be located in the cryostat.

 

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