Development of four-terminal pair sampling-based digital impedance bridge

• Autorzy: Musioł Krzysztof , Kampik Marian

Identyfikatory

DOI

10.24425/mms.2025.152771

• Języki publikacji: EN

Abstrakty

EN

This paper describes recent hardware and software improvements of four-terminal pair (4TP) sampling-based digital impedance bridges being developed at the Silesian University of Technology and the Central Office of Measures. These improvements are based on the use of a new dual-output coaxial multiplexer and modified software responsible for complex voltage ratio measurement. The paper presents the advantages and construction of the new multiplexer. Errors caused by multiplexer switching and cross-capacitance measurements are discussed. The new setup offers improved accuracy of impedance measurements due to the good symmetry of the circuit and averaging results from two digitizers.

Słowa kluczowe

EN

impedance measurements; bridge circuits; precision measurements; multiplexing equipment

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2025
• Tom: Vol. 32, nr 1
• Strony: 1--9
• Opis fizyczny: Bibliogr. 17 poz., fot., rys., wykr., wzory

Twórcy

autor

Musioł Krzysztof

• Silesian University of Technology, Faculty of Electrical Engineering, Department of Measurements, Electronics and Control, Akademicka 10, 44-100 Gliwice, Poland

autor

Kampik Marian

• Silesian University of Technology, Faculty of Electrical Engineering, Department of Measurements, Electronics and Control, Akademicka 10, 44-100 Gliwice, Poland

Bibliografia

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Uwagi

The authors would like to thank the team from the Electricity and Radiation Department of the Central Office of Measures in Warsaw, Poland, for performed crosstalk measurements of the SUT MUX. This work was supported by the Ministry of Science and Higher Education, Poland (grant # PM/SP/0029/2021, programme “Polish Metrology”).