Timing recovery for the magnetic recording channel using the wave difference method

被引：0

作者：

Keane, JP ^{[1
]}

Hurst, PJ ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2004年 / 40卷 / 04期

关键词：

jitter; magnetic recording; timing circuits;

D O I：

10.1109/TMAG.2004.830187

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Timing recovery using the wave difference method is proposed for use in a magnetic recording read channel. The scheme uses an oversampling ratio of two and is suitable for mixed-signal or digital implementations. A simple class of prefilter that significantly improves the signal-to-interference ratio of the generated timing-error estimate is described. This prefilter also allows a simple implementation based on an absolute value, rather than squaring or fourth-order nonlinearity. Simulation results for this scheme are presented for a range of recording densities and channel noise levels.

引用

页码：3102 / 3104

页数：3

共 39 条

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