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|Author(s):||Alain Rufenacht; Charles J. Burroughs; Samuel P. Benz; Paul D. Dresselhaus;|
|Title:||Differential Sampling Measurement of a 7 V rms Sine Wave and a Programmable Josephson Voltage Standard|
|Published:||July 01, 2012|
|Abstract:||A 10 V programmable Josephson voltage standard has enabled sine waves with rms voltages up to 7 V to be accurately measured with differential sampling methods. This paper reviews the challenges and limitations of differential sampling that arise when rms voltages greater than a few volts are measured. Preliminary measurements confirmed the capability of the NIST 10 V Josephson array to perform this task and emphasize the need for highly stable and low-phase-noise ac sine wave voltage sources in order to further reduce the measurement uncertainty.|
|Conference:||Conference on Precision Electromagnetic Measurements|
|Proceedings:||Conference on Precision Electromagnetic Measurements Conference Digest|
|Pages:||pp. 174 - 175|
|Location:||National Harbor, MD|
|Dates:||July 1-6, 2012|
|Keywords:||Differential amplifiers, digital-analog conversion, Josephson arrays, standards, voltage measurement|
|Research Areas:||Instrumentation, Quantum Devices, Quantum Electrical Measurements, Measurements|
|DOI:||http://dx.doi.org/10.1109/CPEM.2012.6250857 (Note: May link to a non-U.S. Government webpage)|
|PDF version:||Click here to retrieve PDF version of paper (805KB)|