{"title":"一种采用t型开隙的5ghz波段共面波导高温超导滤波器","authors":"D. Koizumi, K. Satoh, S. Narahashi","doi":"10.1109/RWS.2006.1615224","DOIUrl":null,"url":null,"abstract":"This paper presents a coplanar-waveguide (CPW) high-temperature superconducting (HTS) filter that has a T-form open gap as an input/output coupling structure to reduce the fluctuation in filter characteristics caused by dimension errors originating from the manufacturing processes of the filter. Numerical and experimental investigations based on a 5-GHz band CPW HTS filter confirm that T-form structure suppresses the fluctuation to a level lower than the existing structure. The fabricated filter has a center frequency of 5.006 GHz, a 3.5% (175 MHz) equal ripple bandwidth, a 0.11-dB ripple, and a 0.11-dB average insertion loss, all measured at 60 K.","PeriodicalId":244560,"journal":{"name":"2006 IEEE Radio and Wireless Symposium","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A 5-GHz band coplanar-waveguide high temperature superconducting filter employing T-form open gap\",\"authors\":\"D. Koizumi, K. Satoh, S. Narahashi\",\"doi\":\"10.1109/RWS.2006.1615224\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a coplanar-waveguide (CPW) high-temperature superconducting (HTS) filter that has a T-form open gap as an input/output coupling structure to reduce the fluctuation in filter characteristics caused by dimension errors originating from the manufacturing processes of the filter. Numerical and experimental investigations based on a 5-GHz band CPW HTS filter confirm that T-form structure suppresses the fluctuation to a level lower than the existing structure. The fabricated filter has a center frequency of 5.006 GHz, a 3.5% (175 MHz) equal ripple bandwidth, a 0.11-dB ripple, and a 0.11-dB average insertion loss, all measured at 60 K.\",\"PeriodicalId\":244560,\"journal\":{\"name\":\"2006 IEEE Radio and Wireless Symposium\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-04-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 IEEE Radio and Wireless Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RWS.2006.1615224\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 IEEE Radio and Wireless Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RWS.2006.1615224","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 5-GHz band coplanar-waveguide high temperature superconducting filter employing T-form open gap
This paper presents a coplanar-waveguide (CPW) high-temperature superconducting (HTS) filter that has a T-form open gap as an input/output coupling structure to reduce the fluctuation in filter characteristics caused by dimension errors originating from the manufacturing processes of the filter. Numerical and experimental investigations based on a 5-GHz band CPW HTS filter confirm that T-form structure suppresses the fluctuation to a level lower than the existing structure. The fabricated filter has a center frequency of 5.006 GHz, a 3.5% (175 MHz) equal ripple bandwidth, a 0.11-dB ripple, and a 0.11-dB average insertion loss, all measured at 60 K.
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