{"title":"An 8 mA, 3.8 dB NF, 40 dB gain CMOS front-end for GPS applications","authors":"F. Svelto, S. Deantoni, G. Montagna, R. Castello","doi":"10.1109/LPE.2000.155299","DOIUrl":null,"url":null,"abstract":"A fully differential 0.35 /spl mu/m CMOS LNA plus mixer, tailored to a double conversion architecture, for GPS applications has been realized. The LNA makes use of an inductively degenerated input stage and a resonant LC load, featuring 12% frequency tuning, accomplished by an MOS varactor. The mixer is a Gilbert cell like, in which an NMOS and a PMOS differential pair, shunted together, realize the input stage. This topology allows one to save power, for given mixer gain and linearity. The front-end measured performances are: 40 dB gain, 3.8 dB NF,-25.5 dBm IIP3, 1.3 GHz input frequency, 140 MHz output frequency, with 8 mA from a 2.8 V voltage supply.","PeriodicalId":188020,"journal":{"name":"ISLPED'00: Proceedings of the 2000 International Symposium on Low Power Electronics and Design (Cat. No.00TH8514)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ISLPED'00: Proceedings of the 2000 International Symposium on Low Power Electronics and Design (Cat. No.00TH8514)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LPE.2000.155299","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A fully differential 0.35 /spl mu/m CMOS LNA plus mixer, tailored to a double conversion architecture, for GPS applications has been realized. The LNA makes use of an inductively degenerated input stage and a resonant LC load, featuring 12% frequency tuning, accomplished by an MOS varactor. The mixer is a Gilbert cell like, in which an NMOS and a PMOS differential pair, shunted together, realize the input stage. This topology allows one to save power, for given mixer gain and linearity. The front-end measured performances are: 40 dB gain, 3.8 dB NF,-25.5 dBm IIP3, 1.3 GHz input frequency, 140 MHz output frequency, with 8 mA from a 2.8 V voltage supply.
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