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A digitally programmable capacitance standard

Published

Author(s)

Yicheng Wang, Lai H. Lee

Abstract

We constructed a digitally programmable capacitance standard by modifying a commercial temperature-stabilized 100 pF capacitance standard which consists of 23 binary-weighted capacitor elements on a single fused-silica disk. The variable capacitor can be programmed through a computer from 0.0001154 pF to 113.0464964 pF with a resolution smaller than 0.0001154 pF over the entire range. Using proper combinations, we also demonstrate a method to calibrate the 23 capacitor elements against a 10 pF capacitance standard.
Citation
Review of Scientific Instruments
Volume
75
Issue
4

Keywords

capacitance calibration., capacitance standards, fused-silica capacitors, programmable capacitors, variable capacitors

Citation

Wang, Y. and Lee, L. (2004), A digitally programmable capacitance standard, Review of Scientific Instruments, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=31455 (Accessed October 11, 2025)

Issues

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Created March 31, 2004, Updated October 12, 2021
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