{"title":"Longitudinally magnetized left-handed cylindrical ferrite coupled line junction for nonreciprocal devices","authors":"A. Kusiek, W. Marynowski, J. Mazur","doi":"10.1109/EUCAP.2014.6901904","DOIUrl":null,"url":null,"abstract":"This paper presents investigations of longitudinally magnetized left-handed cylindrical ferrite coupled line junction for nonreciprocal devices. The proposed junction is formed as a quasi periodic arrangement of N unit cells. Each unit cell is realized as a cascade of short cylindrical ferrite coupled lines with reactance circuit composed of series capacitors and parallel inductors. The left-handed cylindrical junction with π/4 Faraday rotation was designed with the use of own software. Promising results concerning size reduction of the ferrite junction in comparison to known in literature conventional one were obtained. In order to examine nonreciprocal properties of the designed junction its calculated scattering parameters were used to predict the behavior of three-port circulator. The obtained results confirmed usefulness of the proposed left-handed cylindrical junction in the design of Faraday nonreciprocal devices.","PeriodicalId":22362,"journal":{"name":"The 8th European Conference on Antennas and Propagation (EuCAP 2014)","volume":"1203 1","pages":"885-888"},"PeriodicalIF":0.0000,"publicationDate":"2014-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The 8th European Conference on Antennas and Propagation (EuCAP 2014)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EUCAP.2014.6901904","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents investigations of longitudinally magnetized left-handed cylindrical ferrite coupled line junction for nonreciprocal devices. The proposed junction is formed as a quasi periodic arrangement of N unit cells. Each unit cell is realized as a cascade of short cylindrical ferrite coupled lines with reactance circuit composed of series capacitors and parallel inductors. The left-handed cylindrical junction with π/4 Faraday rotation was designed with the use of own software. Promising results concerning size reduction of the ferrite junction in comparison to known in literature conventional one were obtained. In order to examine nonreciprocal properties of the designed junction its calculated scattering parameters were used to predict the behavior of three-port circulator. The obtained results confirmed usefulness of the proposed left-handed cylindrical junction in the design of Faraday nonreciprocal devices.
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