An optimization algorithm for timing-error estimation in time-interleaved ADCs - 文章详情页

作者：

Wang, Jun-Shan (Wang, Jun-Shan.) | Liu, Su-Juan (Liu, Su-Juan.) | Qi, Pei-Pei (Qi, Pei-Pei.)

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EI Scopus

摘要：

One　of　the　biggest　challenges　in　time　interleaved　ADCs　are　its　extreme　sensitivity　to　timing-error.　For　estimation　of　timing-error,　the　tricky　thing　is　identification　model　parameters　and　computational　complexity.　A　new　optimization　algorithm　aimed　at　reducing　computational　complexity　of　timing-error　estimation　is　proposed　in　this　paper.　The　proposed　algorithm　employs　the　mean　square　algorithm　to　estimate　the　timing-error.　The　curve　fitting　algorithm　is　used　to　acquire　the　optimal　sampling　points　and　the　best　length　of　iterations.　Simulation　results　show　that　the　sampling　points　and　the　length　of　iterations　are　reduced　by　40%　and　75%　respectively.　©　2012　IEEE.

关键词：

Computational complexity Curve fitting Errors Integrated circuits Optimization Timing circuits

作者机构：

[ 1 ] [Wang, Jun-Shan]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Liu, Su-Juan]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Qi, Pei-Pei]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

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