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New drive system for programmable Josephson voltage standard using pulse packet bias

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3 Author(s)
Michitaka Maruyama ; National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Central 3, 1-1-1 Umezono, Tsukuba, 305-8563, Japan ; Chiharu Urano ; Nobu-hisa Kaneko

We propose a new method for transient-error-free AC voltage waveform synthesis using a programmable Josephson voltage standard (PJVS) array. Stepwise-approximated sinusoidal waveforms generated using PJVS can be potential tools for AC voltage calibration or related applications. However, the transient error caused by the transitions between quantized voltage steps is a crucial problem for some applications. By driving a PJVS array using high-speed periodical pulse packets and conventional DC biases, the influence of the transitions can essentially be eliminated. This paper describes the basic idea of our new method for driving a PJVS array.

Published in:

Precision Electromagnetic Measurements (CPEM), 2012 Conference on

Date of Conference:

1-6 July 2012