{"title":"S-parameter measurements yielding the characteristic matrices of MTLs","authors":"J. van der Merwe, H. Reader, J. Cloete","doi":"10.1109/COMSIG.1998.736966","DOIUrl":null,"url":null,"abstract":"A frequency domain method is presented which yields accurate characteristic matrices of uniform multiconductor transmission lines (MTLs). It uses simple two-port network analyzer S-parameter measurements of a set of open-circuit and short-circuited MTL configurations. Transversely inhomogeneous MTLs can be characterized accurately in their quasi-TEM propagation regime. The technique was used to determine the inductance and capacitance matrices of a low loss three conductor ribbon cable above a ground plane. Comparisons with numerically and analytically obtained data are given. Measurements are found to be repeatable for lines of length l</spl lambda//4. The /spl lambda//4 requirement is not found to be a restriction in the MHz regime and only plays a role as line end effects become significant at GHz frequencies. The obtained accuracy is significantly better than previously reported results.","PeriodicalId":294473,"journal":{"name":"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMSIG.1998.736966","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A frequency domain method is presented which yields accurate characteristic matrices of uniform multiconductor transmission lines (MTLs). It uses simple two-port network analyzer S-parameter measurements of a set of open-circuit and short-circuited MTL configurations. Transversely inhomogeneous MTLs can be characterized accurately in their quasi-TEM propagation regime. The technique was used to determine the inductance and capacitance matrices of a low loss three conductor ribbon cable above a ground plane. Comparisons with numerically and analytically obtained data are given. Measurements are found to be repeatable for lines of length l
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