用于SONET应用的具有自适应环路带宽的线性高捕获范围CDR

Sajjad Sabbaghi Saber, M. Ehsanian
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引用次数: 2

摘要

提出了一种适用于OC-192 SONET收发器的具有自适应环路带宽的线性无参考CDR。该系统采用线性霍格PD与增强捕获范围技术,以获得更好的抖动性能。利用可调的环路带宽也获得了改进的抖动传输。提出的CDR工作在9 - 11gb /s, 3.5 - 7mhz可调环路带宽,并在27-1 PRBS输入下将抖动传输提高3db。话单系统的抖动参数满足OC-192的抖动要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A linear high capture range CDR with adaptive loop bandwidth for SONET application
A linear referenceless CDR with adaptive loop bandwidth suitable for OC-192 SONET transceiver is presented. The system employs a linear Hogge PD with enhanced capture range technique for a better jitter performance. Improved jitter transfer is also obtained utilizing an adjustable loop bandwidth. The proposed CDR Operates at 9–11 Gb/s with 3.5–7 MHz adjustable loop bandwidth and enhances jitter transfer by 3 dB for a 27-1 PRBS input. Jitter parameters of CDR system are compatible with OC-192 jitter requirements.
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