{"title":"用于认知无线电应用的变容调谐耦合谐振器前端带通滤波器","authors":"N. Tanzi","doi":"10.1109/RWS.2006.1615118","DOIUrl":null,"url":null,"abstract":"The design, implementation and measurement results of varactor-tuned, three coupled resonator, bandpass filters for cognitive radio applications are described. Two distinct filters, one covering 176 MHz-216 MHz and the other covering 476 MHz-698 MHz is described. The filters were implemented using commercially available surface mount components on an FR-4 printed circuit board. The purpose of the bandpass filters is to provide selectivity in the front-end and provide protection from interferers. The two filters improved the intermodulation rejection of the receiver by 24 dB and 27 dB respectively.","PeriodicalId":244560,"journal":{"name":"2006 IEEE Radio and Wireless Symposium","volume":"89 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Varactor-tuned coupled resonator front-end bandpass filters for cognitive radio applications\",\"authors\":\"N. Tanzi\",\"doi\":\"10.1109/RWS.2006.1615118\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The design, implementation and measurement results of varactor-tuned, three coupled resonator, bandpass filters for cognitive radio applications are described. Two distinct filters, one covering 176 MHz-216 MHz and the other covering 476 MHz-698 MHz is described. The filters were implemented using commercially available surface mount components on an FR-4 printed circuit board. The purpose of the bandpass filters is to provide selectivity in the front-end and provide protection from interferers. The two filters improved the intermodulation rejection of the receiver by 24 dB and 27 dB respectively.\",\"PeriodicalId\":244560,\"journal\":{\"name\":\"2006 IEEE Radio and Wireless Symposium\",\"volume\":\"89 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-04-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 IEEE Radio and Wireless Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RWS.2006.1615118\",\"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.2006.1615118","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Varactor-tuned coupled resonator front-end bandpass filters for cognitive radio applications
The design, implementation and measurement results of varactor-tuned, three coupled resonator, bandpass filters for cognitive radio applications are described. Two distinct filters, one covering 176 MHz-216 MHz and the other covering 476 MHz-698 MHz is described. The filters were implemented using commercially available surface mount components on an FR-4 printed circuit board. The purpose of the bandpass filters is to provide selectivity in the front-end and provide protection from interferers. The two filters improved the intermodulation rejection of the receiver by 24 dB and 27 dB respectively.
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