Rufenacht, A.
, Howe, L.
, Fox, A.
, Schwall, R.
, Dresselhaus, P.
, Burroughs, C.
and Benz, S.
(2014),
Cryocooled 10 V Programmable Josephson Voltage Standard, IEEE Transactions on Instrumentation and Measurement, [online], https://doi.org/10.1109/TIM.2014.2374697, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916564
(Accessed October 11, 2024)
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Cryocooled 10 V Programmable Josephson Voltage Standard
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Abstract
Implementation of programmable Josephson voltage standard (PJVS) circuits on cryocooler at 4 K is a challenge. The limited cooling power of the cryocoolers has to balance the heat dissipated by the PJVS circuit in order to maintain a stable temperature. Flat-spot measurements of various quantized voltages produced with all of the sub-arrays of the PJVS circuit current biased and operating at a temperature of 4.3 K produced a step width of 1.32 mA. This result was obtained with a cryostat that uses a 3 kW water-cooled compressor that generates about 270 mW of cooling power at the chip for this temperature.Citation
IEEE Transactions on Instrumentation and Measurement
Volume
64
Issue
6
Pub Type
Journals
Download Paper
Keywords
Josephson arrays, Quantization, Standards, Superconducting integrated circuits, Voltage measurement
Citation
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Created December 10, 2014, Updated October 12, 2021