| 用于快速以太网卡芯片的125MHz数模混合自适应均衡器 |
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| 引用本文： | 李海华,朱全庆,邹雪城,沈绪榜.用于快速以太网卡芯片的125MHz数模混合自适应均衡器[J].小型微型计算机系统,2004,25(12):2179-2181. |
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| 作者姓名： | 李海华 朱全庆 邹雪城 沈绪榜 |
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| 作者单位： | 华中科技大学,电子科学与技术系,湖北,武汉,430074 |
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| 摘 要： | 提出了一种快速以太网卡芯片自适应均衡器的体系结构 .该结构采用 Sign- Sign L MS算法 ,有效地补偿双绞线传输的损耗 ,消除向前码间干扰 ;具体实现采用数模混合电路 ,无须高速 A/ D转换器和数字乘法器 ,大大降低功耗和芯片面积 .该自适应均衡器已经过 TSMC0 .35 um1P5 M CMOS工艺验证 ,工作电压为 3.3伏
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| 关 键 词： | 自适应均衡器 LMS算法 码间干扰 |
| 文章编号： | 1000-1220(2004)12-2179-03 |
125 MHz Mixed-Signal Adaptive Equalizer for Fast Ethernet Applications |
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| LI Hai-hua,ZHU Quan-qing,ZOU Xue-cheng,SHEN Xu-bang.125 MHz Mixed-Signal Adaptive Equalizer for Fast Ethernet Applications[J].Mini-micro Systems,2004,25(12):2179-2181. |
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| Authors: | LI Hai-hua ZHU Quan-qing ZOU Xue-cheng SHEN Xu-bang |
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| Abstract: | This thesis presents a adaptive equalizer architecture for fast Ethernet applications. Sign-Sign LMS algorithm is adopted to efficiently compensates the twisted pair loss and cancel Intersymbol Interface. Mixed-signal implementation eliminates the need for 125Mb/s A/D converters and digital multipliers, which reduce the power and chip area. The adaptive equalizer has been verified by TSMC CMOS 0.35 1P5M process, VDD voltage is 3.3V. |
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| Keywords: | adaptive equalizer LMS algorithm intersymbol interface |
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