A Broadband Stripline Technique for Characterizing Relative Permittivity and Permeability

被引：13
|
作者：
Gallagher, C. P. [1 ]
Cole, N. [1 ]
Savage, P. P. [1 ]
McKeever, C. [1 ]
Sambles, J. R. [1 ]
Hibbins, A. P. [1 ]
机构：
[1] Univ Exeter, Dept Phys & Astron, Electromagnet & Acoust Mat Grp, Exeter EX4 4QL, Devon, England
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2019年 / 67卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Calibration techniques; coaxial; deembedding; device characterization; dieletric measurements; electromagnetic (EM) composite materials and measurements; impedance matching; instrumentation and measurement techniques; magnetic materials; transmission line theory; vector network analysis; COMPLEX PERMITTIVITY; DIELECTRIC-CONSTANT; POLYMER MATRIX; FUNCTIONALITY; COMPOSITES; PARAMETERS;
D O I：
10.1109/TMTT.2018.2851563
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 for magnetic samples, this paper demonstrates a reliable method for the broadband characterization of composite materials.
引用
收藏
页码：231 / 238
页数：8
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