{"title":"A 1 to 5GHz adjustable active polyphase filter for LO quadrature generation","authors":"M. Kaltiokallio, Jussi Ryynnen","doi":"10.1109/RFIC.2011.5940652","DOIUrl":null,"url":null,"abstract":"This paper focuses on the design of a highly tunable active polyphase filter with IRR better than 40dB. The active polyphase filter is implemented as a part of a simple RF receiver to demonstrate its feasibility for wide variety of wireless systems. The design consists of a high frequency adjustable gm-element that is optimized for active PPF. The filter achieves a tuning range of 1 to 5GHz while consuming supply current of 0.7 to 4.4mA. The silicon area of the filter is 64×85µm.","PeriodicalId":448165,"journal":{"name":"2011 IEEE Radio Frequency Integrated Circuits Symposium","volume":"93 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE Radio Frequency Integrated Circuits Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIC.2011.5940652","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
This paper focuses on the design of a highly tunable active polyphase filter with IRR better than 40dB. The active polyphase filter is implemented as a part of a simple RF receiver to demonstrate its feasibility for wide variety of wireless systems. The design consists of a high frequency adjustable gm-element that is optimized for active PPF. The filter achieves a tuning range of 1 to 5GHz while consuming supply current of 0.7 to 4.4mA. The silicon area of the filter is 64×85µm.
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