公开(公告)号：WO0180238A8

公开(公告)日：2003-06-19

申请号：PCT/US0111399

申请日：2001-04-05

Applicant: INFINEON TECHNOLOGIES CORP

Inventor： RAE JAMES WILSON ,  BLISS WILLIAM ,  ASHLEY JONATHAN ,  KARABED RAZMIK ,  FRANCK STEPHEN J ,  MISTLEBERGER FRITZ ,  DRILLER MATTHIAS ,  STOCKMANS HEINER ,  MARGRAF DOMINIK

IPC: G11B5/012 ,  G11B5/09 ,  G11B20/10

CPC classification number: G11B20/10055 ,  G11B5/012 ,  G11B5/09 ,  G11B5/59688 ,  G11B5/6076 ,  G11B20/10009 ,  G11B20/10037

Abstract: An improved sampled amplitude read/write channel is provided. The system is an integrated Generalized Partial Response Maximum Likelihood (GPRML) read channel incorporating Read, Write, and Servo modes of operation. One implementation includes a 32/34 rate parity code and matched Viterbi detector, a 32 state Viterbi detector optimal parity processor, robust frame synchronization, self-adaptive equalization, thermal asperity detection and compensation, adaptive magneto-resistive asymmetry compensation, low latency interpolated timing recovery and programmable write precompensation.

Abstract translation: 提供了一种改进的采样幅度读/写通道。 该系统是集成了读，写和伺服操作模式的集成广义部分响应最大似然（GPRML）读通道。 一个实现包括32/34速率奇偶校验码和匹配维特比检测器，32状态维特比检测器最佳奇偶校验处理器，鲁棒帧同步，自适应均衡，热粗糙度检测和补偿，自适应磁阻不对称补偿，低延迟内插时序 恢复和可编程预写。