{"title":"s参数测量产生mtl的特征矩阵","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":"{\"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}","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}
S-parameter measurements yielding the characteristic matrices of MTLs
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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