A Digital Five-Terminal Impedance Bridge

This paper describes a five-terminal (four terminal with shield) digital impedance bridge aided by digital adaptive phase regulation. It allows the comparison of ac resistances and capacitances with outstanding accuracy and with measurement uncertainties bearing only some 10 -6 Ω/Ω, as corroborated...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2017-06, Vol.66 (6), p.1546-1552
Main Authors: Kurten Ihlenfeld, Waldemar G., de Barros e Vasconcellos, Renata T.
Format: Article
Language:English
Subjects:
Adaptive signal processing
Bridge circuits
Capacitance
digital signal processing
electrical resistance measurements
electronic circuits
Generators
Impedance
Impedance bridges
Multiplexing
precision measurements
uncertainty
Voltage measurement
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Summary:This paper describes a five-terminal (four terminal with shield) digital impedance bridge aided by digital adaptive phase regulation. It allows the comparison of ac resistances and capacitances with outstanding accuracy and with measurement uncertainties bearing only some 10 -6 Ω/Ω, as corroborated by extensive experimental investigations.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2017.2659878