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Synthesis of precision waveforms using a SINIS Josephson junction array

delete2005-04-01
delete80
PRE
AI
R
R. Behr *
J
J.M. Williams
P
P. Patel
T
T. J. B. M. Janssen
T
T. Funck
M
M. Klonz
DOI：10.1109/TIM.2004.843084delete
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Abstract

Abstract

En 中文
A synthesizer of precision ac waveforms based on a binary superconductor insulator-normal metal-insulator-superconductor (SINIS) Josephson junction array has been developed. The array segments are individually biased using a high-speed bias source which gives a switching time of approximately 250 ns between voltage steps. The accuracy limitations of the system due to limited risetime and bandwidth are discussed. Comparisons between the synthesizer and a planar multijunction thermal converter (PMJTC) indicate that it is possible to synthesize sine waves with known rms value having an accuracy in the range of 1 part in 10(7).
Keywords:
AC-DC transfer
voltage
digital-analog conversion
precision source
programmable Josephson voltage standard
thermal converter
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Journal

IEEE Transactions on Instrumentation and Measurement cover
IEEE Transactions on Instrumentation and Measurement
IF:
5.9
Papers:
1.9W
Citations:
5.8W

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