用于0.125-2Gbps 0.18/spl mu/m CMOS发射机的多相锁相环

Yongsam Moon, Daeyun Shim
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引用次数: 1

摘要

一个0.18 μ m的CMOS DLL使用一个占空比校正器和一个锁定范围为32倍的锁相检测器,在31.25到500MHz的16倍范围内产生等间隔的多相时钟,与传统的多相DLL相比,锁相范围至少宽3.5倍。在数据速率为0.125 ~ 2Gbps的情况下,实测TX数据眼的眼不均匀度<4%,相当于时钟不均匀度<1%
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Multiphase Delay-Locked Loop for 0.125-2Gbps 0.18/spl mu/m CMOS Transmitter
A 0.18-mum CMOS DLL generates equally-spaced multiphase clocks over 16times range from 31.25 to 500MHz using a duty-cycle corrector and a lock detector with 32times lock range, which is at least 3.5times wider comparing with conventional multiphase DLL's. Measured TX data eyes have <4% eye unevenness, which is equivalent to <1% clock unevenness, over the data rates of 0.125 to 2Gbps
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