CAPACITANCE MEASUREMENTS AT ULTRA-ACOUSTIC FREQUENCY: FIRST EXPERIMENTS AT IEN |
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| Luca Callegaro, Francesca Durbiano |
- Abstract:
- The Istituto Elettrotecnico Nazionale Galileo Ferraris (IEN), the Primary Metrological Institute for electrical quantities in Italy, started efforts toward traceable measurements of impedance standards at ultra-acoustic frequencies (up to 10 MHz). We report on the implementation of a calibration method for capacitance standards, first described by K. Suzuki. The method, starting from one-port impedance spectra measured with a commercial automatic network analyzer, predicts the frequency dependence of the corresponding four terminalpair impedance for the same standard, impossible to measure directly in a traceable way. First measurements on commercial capacitance standards (nominal value 100 and 1000 pF), suited for ighfrequency measurements and employed for calibration of commercial RLC bridges, have been carried out. The results are compared with published data from implementations of the same method.
- Keywords:
- capacitor stray impedance, dissipation factor, four terminal pair capacitor
- Download:
- IMEKO-TC4-2002-119.pdf
- DOI:
- -