Intercomparison of thermal converters at NIM, NIST, PTB, SIRI, and VSL from 10 to 100 MHz

Coaxial thermal voltage converters were compared among NIM, NIST, PTB, SIRI, and VSL in the frequency range from 10 MHz to 100 MHz. The comparisons were made from 1988 through 1990. The highly varied methods and underlying principles on which RF-DC difference determinations are based in each laborat...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 1993-04, Vol.42 (2), p.618-621
Main Authors: Kinard, Joseph R., Zhen, Zhen, Huang, De-Xiang, Rebuldela, Gregorio, Janik, Dieter, de Vreede, Jan
Format: Article
Language:English
Subjects:
Bolometers
Bridge circuits
Exact sciences and technology
Frequency conversion
Frequency response
Impedance measurement
Laboratories
Metrology
Metrology, measurements and laboratory procedures
NIST
Physics
Units and standards
US Department of Commerce
Voltage
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Summary:Coaxial thermal voltage converters were compared among NIM, NIST, PTB, SIRI, and VSL in the frequency range from 10 MHz to 100 MHz. The comparisons were made from 1988 through 1990. The highly varied methods and underlying principles on which RF-DC difference determinations are based in each laboratory, the transport standards used, and the results of the comparisons are described. The results from the participating laboratories are in very good agreement; therefore, the authors believe that the determinations of RF-DC difference in this frequency range are very well established.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.278640