{"title":"微波滤波器中的非均匀q因子分布","authors":"P. M. Iglesias, I. Hunter","doi":"10.23919/EUMC.2012.6459396","DOIUrl":null,"url":null,"abstract":"This paper presents the analysis for non-uniform Q-factor distributions in bandpass filter, particularly the case where the first and last resonators have reduced Q-factor compared with the rest of the resonators. It is shown that these have no effect on filter selectivity, only on overall loss. The theory is backed up with full-wave electromagnetic field simulation and measured data for a prototype filter.","PeriodicalId":243164,"journal":{"name":"2012 7th European Microwave Integrated Circuit Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"Non-uniform Q-factor distribution in microwave filters\",\"authors\":\"P. M. Iglesias, I. Hunter\",\"doi\":\"10.23919/EUMC.2012.6459396\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents the analysis for non-uniform Q-factor distributions in bandpass filter, particularly the case where the first and last resonators have reduced Q-factor compared with the rest of the resonators. It is shown that these have no effect on filter selectivity, only on overall loss. The theory is backed up with full-wave electromagnetic field simulation and measured data for a prototype filter.\",\"PeriodicalId\":243164,\"journal\":{\"name\":\"2012 7th European Microwave Integrated Circuit Conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 7th European Microwave Integrated Circuit Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/EUMC.2012.6459396\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 7th European Microwave Integrated Circuit Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/EUMC.2012.6459396","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Non-uniform Q-factor distribution in microwave filters
This paper presents the analysis for non-uniform Q-factor distributions in bandpass filter, particularly the case where the first and last resonators have reduced Q-factor compared with the rest of the resonators. It is shown that these have no effect on filter selectivity, only on overall loss. The theory is backed up with full-wave electromagnetic field simulation and measured data for a prototype filter.
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