{"title":"双带带通滤波器采用同轴阶跃阻抗谐振器","authors":"Yahui Wu, R. Gajaweera, J. Everard","doi":"10.1109/ICSAE.2016.7810184","DOIUrl":null,"url":null,"abstract":"This paper presents the theory of Stepped Impedance Resonator (SIR) and modifies traditional coaxial lines into coaxial SIRs for dual-band bandpass filter design. A simple feeding structure and an inter-resonator coupling structure have been demonstrated, which simplifies fabrication as well as providing flexibility of tuning. Two Chebyshev dual-band bandpass filters working in the GSM band (900/1750 MHz) were designed and simulated. The 2nd order dual-band bandpass filter has been fabricated and tested, realizing 1.23% and 1.07% fractional bandwidth at 906.5 MHz and 1772.5 MHz, respectively.","PeriodicalId":214121,"journal":{"name":"2016 International Conference for Students on Applied Engineering (ICSAE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":"{\"title\":\"Dual-band bandpass filter using coaxial Stepped Impedance Resonators\",\"authors\":\"Yahui Wu, R. Gajaweera, J. Everard\",\"doi\":\"10.1109/ICSAE.2016.7810184\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents the theory of Stepped Impedance Resonator (SIR) and modifies traditional coaxial lines into coaxial SIRs for dual-band bandpass filter design. A simple feeding structure and an inter-resonator coupling structure have been demonstrated, which simplifies fabrication as well as providing flexibility of tuning. Two Chebyshev dual-band bandpass filters working in the GSM band (900/1750 MHz) were designed and simulated. The 2nd order dual-band bandpass filter has been fabricated and tested, realizing 1.23% and 1.07% fractional bandwidth at 906.5 MHz and 1772.5 MHz, respectively.\",\"PeriodicalId\":214121,\"journal\":{\"name\":\"2016 International Conference for Students on Applied Engineering (ICSAE)\",\"volume\":\"36 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 International Conference for Students on Applied Engineering (ICSAE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICSAE.2016.7810184\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 International Conference for Students on Applied Engineering (ICSAE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSAE.2016.7810184","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dual-band bandpass filter using coaxial Stepped Impedance Resonators
This paper presents the theory of Stepped Impedance Resonator (SIR) and modifies traditional coaxial lines into coaxial SIRs for dual-band bandpass filter design. A simple feeding structure and an inter-resonator coupling structure have been demonstrated, which simplifies fabrication as well as providing flexibility of tuning. Two Chebyshev dual-band bandpass filters working in the GSM band (900/1750 MHz) were designed and simulated. The 2nd order dual-band bandpass filter has been fabricated and tested, realizing 1.23% and 1.07% fractional bandwidth at 906.5 MHz and 1772.5 MHz, respectively.
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