2 TERMINAL DUAL SOURCE IMPEDANCE BRDIGE

Dan Bee Kim, Kyu-Tae Kim, Mun-Seog Kim, Kwang Min Yu, Wan-Seop Kim, Young Gyun Kim

Abstract

Two terminal dual source low frequency impedance bridge was configured using commercial voltage calibrators. The bridge performance was evaluated by measuring 1 to 1 resistance ratio at 1 kHz using 1 kΩ and 10 kΩ resistors. The AC resistance ratio was also measured at frequencies from 100 Hz to 100 kHz. The same bridge was used for measuring ratios of other impedance combinations by adjusting the phase between the voltage sources. This simple two terminal dual source impedance bridge proved its reliable and versatile measurement capability.

Keywords

dual source bridge, LF impedance ratio

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IMEKO-WC-2012-TC4-P15.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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