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Precision differential sampling measurements of low frequency voltages synthesized with an AC Programmable Josephson Voltage Standard

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6 Author(s)
Rufenacht, A. ; Nat. Inst. of Stand. & Technol., Boulder, CO ; Burroughs, C.J. ; Benz, S.P. ; Dresselhaus, P.D.
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Sampling is a promising technique for comparing the stepwise-approximated sine waves synthesized by an AC Programmable Josephson Voltage Standard to the sinusoidal voltages of a secondary source at low frequencies (a few hundred hertz or less). This paper describes a differential method that uses an integrating sampling voltmeter to precisely determine the amplitude and phase of high purity sine wave voltages by comparing them to quantum-accurate waveforms.

Published in:

Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on

Date of Conference:

8-13 June 2008