{"title":"A compact 1.9–3.4GHz diplexer with controllable transmission zeros, improved isolation, and constant fractional bandwidth","authors":"Tao Yang, Gabriel M. Rebeiz","doi":"10.1109/MWSYM.2016.7540360","DOIUrl":null,"url":null,"abstract":"In this paper, a very compact tunable diplexer is proposed with controllable transmission zeros and controllable output isolation levels. The two channels in the diplexer can be independently tuned and cover a tuning range from 1.9GHz to 3.4 GHz. Controllable transmission zeros are introduced in each channel by using the source-to-loading coupling. The introduced transmission zeros cannot only be used to improve the channel selectivity, but also used to improve the output isolation levels during frequency tuning. An output isolation level of >48 dB is achieved during each tuning state.","PeriodicalId":6554,"journal":{"name":"2016 IEEE MTT-S International Microwave Symposium (IMS)","volume":"16 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE MTT-S International Microwave Symposium (IMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2016.7540360","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
In this paper, a very compact tunable diplexer is proposed with controllable transmission zeros and controllable output isolation levels. The two channels in the diplexer can be independently tuned and cover a tuning range from 1.9GHz to 3.4 GHz. Controllable transmission zeros are introduced in each channel by using the source-to-loading coupling. The introduced transmission zeros cannot only be used to improve the channel selectivity, but also used to improve the output isolation levels during frequency tuning. An output isolation level of >48 dB is achieved during each tuning state.
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