{"title":"Design of Broadband Waveguide Circulator at Ka-Band","authors":"S. K. Jain, Punam Pradeepkumar","doi":"10.1109/imarc49196.2021.9714569","DOIUrl":null,"url":null,"abstract":"This paper describes the design and implementation of a broadband (13% bandwidth) waveguide circulator at Ka band (29 GHz center frequency) for communication satellite payload. Design is based on three-port H-plane waveguide Yjunction circulator with a partial height ferrite posts in the junction region. RF and magnetic circuits simulation & optimization is performed using electromagnetic 3D CST software. Very low insertion loss of 0.13dB with better than 23dB return loss & Isolation has been achieved in the 27-31 GHz frequency band, measured performance are in close agleement with the simulation.","PeriodicalId":226787,"journal":{"name":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/imarc49196.2021.9714569","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
This paper describes the design and implementation of a broadband (13% bandwidth) waveguide circulator at Ka band (29 GHz center frequency) for communication satellite payload. Design is based on three-port H-plane waveguide Yjunction circulator with a partial height ferrite posts in the junction region. RF and magnetic circuits simulation & optimization is performed using electromagnetic 3D CST software. Very low insertion loss of 0.13dB with better than 23dB return loss & Isolation has been achieved in the 27-31 GHz frequency band, measured performance are in close agleement with the simulation.
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