{"title":"Integration and system design trends of ADSL analog front ends and hybrid line interfaces","authors":"Sang-Soo Lee","doi":"10.1109/CICC.2002.1012762","DOIUrl":null,"url":null,"abstract":"System optimization of the Analog Front End (AFE) and hybrid line interface is a key contributor in achieving high data rate and long reach for Asymmetric Digital Subscriber Line (ADSL) modems. Following a brief review of the ADSL system, the basic building blocks in an AFE, analog line interface, and hybrid matching issues are introduced. Integration trends of a single-channel AFE and circuit design challenges for multi-channel AFE are then presented. Line driver technologies and line receiver design issues are discussed with emphasis on the tradeoff between noise and linearity. Finally, design challenges for a highly integrated ADSL modem chipset with minimal external components are addressed.","PeriodicalId":209025,"journal":{"name":"Proceedings of the IEEE 2002 Custom Integrated Circuits Conference (Cat. No.02CH37285)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the IEEE 2002 Custom Integrated Circuits Conference (Cat. No.02CH37285)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICC.2002.1012762","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
System optimization of the Analog Front End (AFE) and hybrid line interface is a key contributor in achieving high data rate and long reach for Asymmetric Digital Subscriber Line (ADSL) modems. Following a brief review of the ADSL system, the basic building blocks in an AFE, analog line interface, and hybrid matching issues are introduced. Integration trends of a single-channel AFE and circuit design challenges for multi-channel AFE are then presented. Line driver technologies and line receiver design issues are discussed with emphasis on the tradeoff between noise and linearity. Finally, design challenges for a highly integrated ADSL modem chipset with minimal external components are addressed.
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