Rufenacht, A.
, Flowers-Jacobs, N.
, Fox, A.
, Waltman, S.
, Schwall, R.
, Dresselhaus, P.
, Benz, S.
and Burroughs, C.
(2018),
DC Comparison of a Programmable Josephson Voltage Standard and a Josephson Arbitrary Waveform Synthesizer, 2018 Conference on Precision Electromagnetic Measurements, Paris, FR, [online], https://doi.org/10.1109/CPEM.2018.8500955, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=925172
(Accessed October 11, 2024)
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DC Comparison of a Programmable Josephson Voltage Standard and a Josephson Arbitrary Waveform Synthesizer
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Abstract
We present the first dc comparison of a programmable Josephson voltage standards and a pulse- driven Josephson arbitrary waveform synthesizer (JAWS) at 3 V. Both devices are mounted side- by-side on the cold stage of a cryocooler. The relative agreement achieved was better than 1 part in 108. This measurement allowed us to identify systematic limitations of the JAWS system. An undesired current injection from the JAWS isolation amplifier in the measurement circuit is currently responsible for an error voltage of a few nanovolts.Proceedings Title
2018 Conference on Precision Electromagnetic Measurements
Conference Dates
July 8-13, 2018
Conference Location
Paris, FR
Pub Type
Conferences
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Keywords
Digital-analog conversion, Josephson arrays, standards, superconducting integrated circuits, voltage measurement
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Created July 7, 2018, Updated April 12, 2022