Wang, Y.
, Schlamminger, S.
, Jarrett, D.
, Panna, A.
and Koffman, A.
(2024),
Comparison of a 1 nF Capacitor with a 1 kΩ Resistor Using a Digital Impedance Bridge, 2024 Conference on Precision Electromagnetic Measurements, Denver, CO, US
(Accessed October 9, 2025)
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Comparison of a 1 nF Capacitor with a 1 kΩ Resistor Using a Digital Impedance Bridge
Published
Author(s)
, , , ,
Abstract
This paper reports our effort to improve a digital impedance bridge. The limit of the bridge resolution and stability is less than 3 parts in 10^9 for the nominal 1:1 impedance comparison of two 100 pF capacitors. The type-A uncertainty for comparison of a 1 nF capacitor with a 1 kΩ resistor is about 1 part in 10^8, presently limited by the stability of the resistor.Conference Dates
July 8-12, 2024
Conference Location
Denver, CO, US
Conference Title
2024 Conference on Precision Electromagnetic Measurements
Pub Type
Conferences
Keywords
Digital bridge, capacitance unit, impedance standard, digital sampling, voltage ratio
Citation
Issues
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Created March 27, 2024, Updated April 2, 2024