In this work, we present the results of an onsite trilateral comparison between a dual Josephson impedance bridge developed by METAS and the electronic fully-digital impedance bridges developed by CMI and INRIM-POLITO. The target accuracies of the bridges are at the 10 −8 level for the former and at the 10 −7 for the latter. Here we report the results of the calibration of a 10nF capacitance standard against a 12.9kΩ calculable resistance standard at 1233Hz, conditions suitable for the primary direct realization of the impedance units ohm and farad from AC quantum Hall resistance standards or from AC/DC calculable transfer resistance standards calibrated against DC quantum Hall resistance standards.
Trilateral comparison among digital and Josephson impedance bridges / Marzano, Martina; Ortolano, Massimo; Overney, Frédéric; Eichenberger, Ali L.; Kucera, Jan; D'Elia, Vincenzo; Bartova, Lucie; Medved, Juan; Callegaro, Luca. - ELETTRONICO. - (2024), pp. 1-2. (Intervento presentato al convegno Conference on Precision Electromagnetic Measurements (CPEM) tenutosi a Denver, CO (USA) nel 08-12 July 2024) [10.1109/cpem61406.2024.10646159].
Trilateral comparison among digital and Josephson impedance bridges
Ortolano, Massimo;Medved, Juan;
2024
Abstract
In this work, we present the results of an onsite trilateral comparison between a dual Josephson impedance bridge developed by METAS and the electronic fully-digital impedance bridges developed by CMI and INRIM-POLITO. The target accuracies of the bridges are at the 10 −8 level for the former and at the 10 −7 for the latter. Here we report the results of the calibration of a 10nF capacitance standard against a 12.9kΩ calculable resistance standard at 1233Hz, conditions suitable for the primary direct realization of the impedance units ohm and farad from AC quantum Hall resistance standards or from AC/DC calculable transfer resistance standards calibrated against DC quantum Hall resistance standards.File | Dimensione | Formato | |
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Marzano2024_CPEM_postprint.pdf
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Ortolano-Trilateral.pdf
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https://hdl.handle.net/11583/2992335