{"title":"新型方形陷波双模微带带通滤波器","authors":"S. Li, Hong-tao Cai, Wei Wu, Ying Li, Zi-he Wang","doi":"10.1109/ICCT.2010.5688951","DOIUrl":null,"url":null,"abstract":"A new planar dua1-mode microstrip bandpass filter with a square notch is proposed. The proposed filter structure uses a single patch without coupling gaps. This filter has two transmission zeros on both sides of the passband. The insertion loss is < 1dB and return loss is > l0dB within 1.96–2.13GHz, and the minimum insertion loss is 0.07dB at about 2.05GHz. The 3dB fractional bandwidth is 12.73%. The effect on the filter's performance by changing filter parameters is studied. The results show that this new filter can provide a low insertion loss and reduce uncertainty in fabrication. It also makes miniaturization easy.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"New dual-mode microstrip bandpass Filter with a Square Notch\",\"authors\":\"S. Li, Hong-tao Cai, Wei Wu, Ying Li, Zi-he Wang\",\"doi\":\"10.1109/ICCT.2010.5688951\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new planar dua1-mode microstrip bandpass filter with a square notch is proposed. The proposed filter structure uses a single patch without coupling gaps. This filter has two transmission zeros on both sides of the passband. The insertion loss is < 1dB and return loss is > l0dB within 1.96–2.13GHz, and the minimum insertion loss is 0.07dB at about 2.05GHz. The 3dB fractional bandwidth is 12.73%. The effect on the filter's performance by changing filter parameters is studied. The results show that this new filter can provide a low insertion loss and reduce uncertainty in fabrication. It also makes miniaturization easy.\",\"PeriodicalId\":253478,\"journal\":{\"name\":\"2010 IEEE 12th International Conference on Communication Technology\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2010 IEEE 12th International Conference on Communication Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCT.2010.5688951\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 IEEE 12th International Conference on Communication Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCT.2010.5688951","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
New dual-mode microstrip bandpass Filter with a Square Notch
A new planar dua1-mode microstrip bandpass filter with a square notch is proposed. The proposed filter structure uses a single patch without coupling gaps. This filter has two transmission zeros on both sides of the passband. The insertion loss is < 1dB and return loss is > l0dB within 1.96–2.13GHz, and the minimum insertion loss is 0.07dB at about 2.05GHz. The 3dB fractional bandwidth is 12.73%. The effect on the filter's performance by changing filter parameters is studied. The results show that this new filter can provide a low insertion loss and reduce uncertainty in fabrication. It also makes miniaturization easy.
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