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Prospects for the Application of Voltage Quantum Measures Based on the Josephson Effect for the Improvement of Volt Standards.

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Title: Prospects for the Application of Voltage Quantum Measures Based on the Josephson Effect for the Improvement of Volt Standards.
Authors: Katkov, A. S.1 (AUTHOR) a.s.katkov@vniim.ru, Petrovskaya, A. N.1 (AUTHOR), Gubler, G. B.1 (AUTHOR), Shevtsov, V. I.1 (AUTHOR)
Source: Measurement Techniques. Oct2022, Vol. 65 Issue 7, p493-499. 7p.
Subjects: Josephson effect, Delta-sigma modulation, Voltage, Primaries, Pulse modulation, Analog-to-digital converters
Abstract: This article describes the improvement of volt standards based on the Josephson effect as a development stage of VNIIM quantum volt standards. The equipment was created and improved based on the "superconductor– insulator–superconductor"-type Josephson array for reproducing direct current voltages up to 10 V. This work presents the development results of transportable quantum standards based on the "superconductor– normal metal–superconductor" and "superconductor–insulator–normal metal–insulator–superconductor" Josephson anhysteretic arrays. The findings reveal that anhysteretic arrays can be used to reproduce constant voltages and voltages of the arbitrary form by approximating signals with Josephson taps and pulsed sigma-delta modulation, which reproduces voltages with a given harmonics level. The results of the study on the transfer of a unit of volt to the measuring channels of alternating voltages with high-precision analog-to-digital converters from the state primary standard of electric power units in the frequency range from 1 to 2500 Hz GET 153-2019 are presented. [ABSTRACT FROM AUTHOR]
Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Prospects for the Application of Voltage Quantum Measures Based on the Josephson Effect for the Improvement of Volt Standards.
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  Data: <searchLink fieldCode="JN" term="%22Measurement+Techniques%22">Measurement Techniques</searchLink>. Oct2022, Vol. 65 Issue 7, p493-499. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Josephson+effect%22">Josephson effect</searchLink><br /><searchLink fieldCode="DE" term="%22Delta-sigma+modulation%22">Delta-sigma modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Voltage%22">Voltage</searchLink><br /><searchLink fieldCode="DE" term="%22Primaries%22">Primaries</searchLink><br /><searchLink fieldCode="DE" term="%22Pulse+modulation%22">Pulse modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Analog-to-digital+converters%22">Analog-to-digital converters</searchLink>
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  Data: This article describes the improvement of volt standards based on the Josephson effect as a development stage of VNIIM quantum volt standards. The equipment was created and improved based on the "superconductor– insulator–superconductor"-type Josephson array for reproducing direct current voltages up to 10 V. This work presents the development results of transportable quantum standards based on the "superconductor– normal metal–superconductor" and "superconductor–insulator–normal metal–insulator–superconductor" Josephson anhysteretic arrays. The findings reveal that anhysteretic arrays can be used to reproduce constant voltages and voltages of the arbitrary form by approximating signals with Josephson taps and pulsed sigma-delta modulation, which reproduces voltages with a given harmonics level. The results of the study on the transfer of a unit of volt to the measuring channels of alternating voltages with high-precision analog-to-digital converters from the state primary standard of electric power units in the frequency range from 1 to 2500 Hz GET 153-2019 are presented. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11018-023-02109-9
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