{"title":"A 20-Gb/s coaxial cable receiver analog front-end in 90-nm CMOS technology","authors":"P. Park, A. C. Carusone","doi":"10.1109/ASSCC.2008.4708769","DOIUrl":null,"url":null,"abstract":"A binary receiver analog front-end (AFE) targeting 20 Gb/s for use with coaxial cable channels is presented. To accommodate links of varying lengths, the AFE includes an analog peaking equalizer followed by a post-amplifier. The input preamplifier is important for achieving the required input sensitivity. A DC bias current is introduced through the feedback resistor in a conventional shunt-shunt feedback nMOS transimpedance amplifier (TIA) to level-shift the output, obviating a following level-shifting stage. The fabricated AFE occupies 0.89 mm2 in a 90-nm CMOS process and dissipates 138 mW from a 1.3-V supply. The AFE amplifies and opens the eye pattern of a 20-Gb/s data stream transmitted over coaxial cable with 7.5-dB loss at 10 GHz.","PeriodicalId":143173,"journal":{"name":"2008 IEEE Asian Solid-State Circuits Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 IEEE Asian Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ASSCC.2008.4708769","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
A binary receiver analog front-end (AFE) targeting 20 Gb/s for use with coaxial cable channels is presented. To accommodate links of varying lengths, the AFE includes an analog peaking equalizer followed by a post-amplifier. The input preamplifier is important for achieving the required input sensitivity. A DC bias current is introduced through the feedback resistor in a conventional shunt-shunt feedback nMOS transimpedance amplifier (TIA) to level-shift the output, obviating a following level-shifting stage. The fabricated AFE occupies 0.89 mm2 in a 90-nm CMOS process and dissipates 138 mW from a 1.3-V supply. The AFE amplifies and opens the eye pattern of a 20-Gb/s data stream transmitted over coaxial cable with 7.5-dB loss at 10 GHz.
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