{"title":"A broadband pHEMT image-reject mixer","authors":"Zhengyu Sun, Yuepeng Yan","doi":"10.1109/IWEM.2013.6888777","DOIUrl":null,"url":null,"abstract":"This paper presents a broadband image-reject mixer consisting of a wideband image reject mixer with active baluns. A switched transconductor mixer embedded with an active balun for the local oscillator (LO) signal is designed. An active balun for RF input signal with a RC parallel network to reduce gain and phase imbalance is proposed. Implemented in a 0.5μm InGaAs E-mode pHEMT, the mixer can achieve conversion gain of 9 dB, image rejection of 32 dBc, single sideband noise figure of 13 dB, and third-order input intercept point (IIP3) of 9 dBm over the entire frequency range of 0.5 to 5.5 GHz.","PeriodicalId":119627,"journal":{"name":"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWEM.2013.6888777","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents a broadband image-reject mixer consisting of a wideband image reject mixer with active baluns. A switched transconductor mixer embedded with an active balun for the local oscillator (LO) signal is designed. An active balun for RF input signal with a RC parallel network to reduce gain and phase imbalance is proposed. Implemented in a 0.5μm InGaAs E-mode pHEMT, the mixer can achieve conversion gain of 9 dB, image rejection of 32 dBc, single sideband noise figure of 13 dB, and third-order input intercept point (IIP3) of 9 dBm over the entire frequency range of 0.5 to 5.5 GHz.
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