A broadband stripline technique for characterizing relative permittivity and permeability (dataset)
Gallagher, Cameron Patrick; Cole, Nick; Savage, Peter P.; et al.McKeever, Conor; Sambles, J. R.; Hibbins, Alastair P.
Date: 11 July 2018
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University of Exeter
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Abstract
We present a stripline design and calibration method allowing the extraction of relative permittivity of single dielectric samples in the 200 MHz – 50 GHz range. The simultaneous extraction of relative permittivity and permeability is also illustrated by characterizing a set of samples comprising magnetic inclusions over the same ...
We present a stripline design and calibration method allowing the extraction of relative permittivity of single dielectric samples in the 200 MHz – 50 GHz range. The simultaneous extraction of relative permittivity and permeability is also illustrated by characterizing a set of samples comprising magnetic inclusions over the same frequency range. The calibration method involves the use of seven measurements of the stripline scattering parameters (S-parameters) with different length shorts inserted. From these measurements, it is possible to determine the reflections at the transition regions of the stripline to correct the measured S-parameters for characterization. By quantifying a range of samples with increasing percentage volume filling of barium titanate in polyurethane for the case of dielectric samples, and carbonyl iron powder (CIP) for magnetic samples, this work demonstrates a reliable method for the broadband characterization of composite materials.
Physics and Astronomy
Faculty of Environment, Science and Economy
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