Zhewang Ma, Peng Cai, X. Guan, Y. Kobayashi, T. Anada
{"title":"一种新型毫米波超宽带带通滤波器，采用微带双模环形谐振器加载不同长度的开放调谐桩","authors":"Zhewang Ma, Peng Cai, X. Guan, Y. Kobayashi, T. Anada","doi":"10.1109/MWSYM.2007.380046","DOIUrl":null,"url":null,"abstract":"In this paper, a millimeter-wave ultra-wideband (UWB) bandpass filter is developed by cascading two microstrip dual-mode ring resonators loaded with lambda0/4 and 3lambda0/4 open tuning stubs, respectively. The ring resonators are analyzed by using the even-and odd-mode method, and closed-form formulas are derived to facilitate the design of transmission zeros of these resonators. The filter has a midband frequency of 25.5 GHz and a 3-dB bandwidth of 5 GHz (20%). Due to the multiple transmission zeros produced in both the lower and upper stopbands, the filter exhibits sharp attenuations near the passband and very wide stopbands. Over 13-35 GHz, the Federal Communications Commissions indoor limit is satisfied quite well.","PeriodicalId":213749,"journal":{"name":"2007 IEEE/MTT-S International Microwave Symposium","volume":"67 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"27","resultStr":"{\"title\":\"A Novel Millimeter-Wave Ultra-Wideband Bandpass Filter Using Microstrip Dual-Mode Ring Resonators Loaded with Open Tuning Stubs of Different Lengths\",\"authors\":\"Zhewang Ma, Peng Cai, X. Guan, Y. Kobayashi, T. Anada\",\"doi\":\"10.1109/MWSYM.2007.380046\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a millimeter-wave ultra-wideband (UWB) bandpass filter is developed by cascading two microstrip dual-mode ring resonators loaded with lambda0/4 and 3lambda0/4 open tuning stubs, respectively. The ring resonators are analyzed by using the even-and odd-mode method, and closed-form formulas are derived to facilitate the design of transmission zeros of these resonators. The filter has a midband frequency of 25.5 GHz and a 3-dB bandwidth of 5 GHz (20%). Due to the multiple transmission zeros produced in both the lower and upper stopbands, the filter exhibits sharp attenuations near the passband and very wide stopbands. Over 13-35 GHz, the Federal Communications Commissions indoor limit is satisfied quite well.\",\"PeriodicalId\":213749,\"journal\":{\"name\":\"2007 IEEE/MTT-S International Microwave Symposium\",\"volume\":\"67 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-06-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"27\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE/MTT-S International Microwave Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MWSYM.2007.380046\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE/MTT-S International Microwave Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2007.380046","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Novel Millimeter-Wave Ultra-Wideband Bandpass Filter Using Microstrip Dual-Mode Ring Resonators Loaded with Open Tuning Stubs of Different Lengths
In this paper, a millimeter-wave ultra-wideband (UWB) bandpass filter is developed by cascading two microstrip dual-mode ring resonators loaded with lambda0/4 and 3lambda0/4 open tuning stubs, respectively. The ring resonators are analyzed by using the even-and odd-mode method, and closed-form formulas are derived to facilitate the design of transmission zeros of these resonators. The filter has a midband frequency of 25.5 GHz and a 3-dB bandwidth of 5 GHz (20%). Due to the multiple transmission zeros produced in both the lower and upper stopbands, the filter exhibits sharp attenuations near the passband and very wide stopbands. Over 13-35 GHz, the Federal Communications Commissions indoor limit is satisfied quite well.
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