{"title":"带损耗补偿电路的组合可调谐滤波器","authors":"Arash Fouladi Azarnaminy, R. Mansour","doi":"10.1109/MWSYM.2018.8439360","DOIUrl":null,"url":null,"abstract":"This paper presents an implementation of a tunable combline filter using varactors with active loss compensation. The use of varactors results in a compact implementation with fast and continuous tuning. The active loss compensation mechanism helps to compensate for losses generated by the tuning elements. Nonlinear performance and power handling of the tuning circuits are characterized. The filter operates at 2.5GHz with a constant absolute bandwidth of $\\pmb{25\\pm 3\\mathrm{MHz}}$. Measurement results demonstrate a tuning range of 100 MHz while the insertion loss remains below 0.9dB over the tuning range.","PeriodicalId":6675,"journal":{"name":"2018 IEEE/MTT-S International Microwave Symposium - IMS","volume":"123 2 1","pages":"1367-1369"},"PeriodicalIF":0.0000,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"A Combline Tunable Filter with Loss Compensation Circuit\",\"authors\":\"Arash Fouladi Azarnaminy, R. Mansour\",\"doi\":\"10.1109/MWSYM.2018.8439360\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents an implementation of a tunable combline filter using varactors with active loss compensation. The use of varactors results in a compact implementation with fast and continuous tuning. The active loss compensation mechanism helps to compensate for losses generated by the tuning elements. Nonlinear performance and power handling of the tuning circuits are characterized. The filter operates at 2.5GHz with a constant absolute bandwidth of $\\\\pmb{25\\\\pm 3\\\\mathrm{MHz}}$. Measurement results demonstrate a tuning range of 100 MHz while the insertion loss remains below 0.9dB over the tuning range.\",\"PeriodicalId\":6675,\"journal\":{\"name\":\"2018 IEEE/MTT-S International Microwave Symposium - IMS\",\"volume\":\"123 2 1\",\"pages\":\"1367-1369\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE/MTT-S International Microwave Symposium - IMS\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MWSYM.2018.8439360\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE/MTT-S International Microwave Symposium - IMS","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2018.8439360","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Combline Tunable Filter with Loss Compensation Circuit
This paper presents an implementation of a tunable combline filter using varactors with active loss compensation. The use of varactors results in a compact implementation with fast and continuous tuning. The active loss compensation mechanism helps to compensate for losses generated by the tuning elements. Nonlinear performance and power handling of the tuning circuits are characterized. The filter operates at 2.5GHz with a constant absolute bandwidth of $\pmb{25\pm 3\mathrm{MHz}}$. Measurement results demonstrate a tuning range of 100 MHz while the insertion loss remains below 0.9dB over the tuning range.
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