一个180-Mb/s至3.2 gb /s，连续速率，快速锁定话单，不使用外部参考时钟

2007 IEEE Asian Solid-State Circuits Conference Pub Date : 2007-11-01 DOI:10.1109/ASSCC.2007.4425751

Moon-Sang Hwang, Sangyoon Lee, Jeong-Kyoum Kim, Suhwan Kim, D. Jeong

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引用次数: 28

摘要

提出了一种工作范围为180mb /s ~ 3.2 Gb/s的无参考、连续速率、快速锁定CDR。利用旋转频率检测器的谐波锁特性和8B10B编码数据的最大运行长度限制来检测谐波锁并加速采集过程。引入了一个单独的VCO控制方案，通过适度的片上电容来稳定环路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 180-Mb/s to 3.2-Gb/s, continuous-rate, fast-locking CDR without using external reference clock

A referenceless, continuous-rate, fast-locking CDR with an operating range of 180 Mb/s to 3.2 Gb/s is presented. The harmonic lock property of a rotational frequency detector and the maximum run-length limit of 8B10B encoded data are utilized to detect a harmonic lock and to accelerate acquisition process. A separate VCO control scheme is introduced to stabilize the loop with a modest amount of on-chip capacitance.

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2007 IEEE Asian Solid-State Circuits Conference

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