J. Kenney, Faramarz Sabouri, V. Leung, J. Guido, E. Zimany, A. Agrillo, J. Trackim, J. Khoury, Reza Shariatdous
{"title":"A 4 channel analog front end for central office ADSL modems","authors":"J. Kenney, Faramarz Sabouri, V. Leung, J. Guido, E. Zimany, A. Agrillo, J. Trackim, J. Khoury, Reza Shariatdous","doi":"10.1109/CICC.2000.852673","DOIUrl":null,"url":null,"abstract":"This chip integrates a 4 channel analog front-end for central office ADSL modems. The receive path has a programmable gain amplifier (PGA) with 30 dB of range followed by a fourth-order 2-bit sigma-delta modulator clocking at 35 MHz. The transmit path uses a 14-bit current steering D/A converter followed by a fourth-order low-pass filter. The device is implemented in 0.35 /spl mu/m CMOS and consumes less than 160 mW per channel. It is packaged in a 100 pin MQFP package.","PeriodicalId":20702,"journal":{"name":"Proceedings of the IEEE 2000 Custom Integrated Circuits Conference (Cat. No.00CH37044)","volume":"105 ","pages":"307-310"},"PeriodicalIF":0.0000,"publicationDate":"2000-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the IEEE 2000 Custom Integrated Circuits Conference (Cat. No.00CH37044)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICC.2000.852673","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
This chip integrates a 4 channel analog front-end for central office ADSL modems. The receive path has a programmable gain amplifier (PGA) with 30 dB of range followed by a fourth-order 2-bit sigma-delta modulator clocking at 35 MHz. The transmit path uses a 14-bit current steering D/A converter followed by a fourth-order low-pass filter. The device is implemented in 0.35 /spl mu/m CMOS and consumes less than 160 mW per channel. It is packaged in a 100 pin MQFP package.
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