发明名称 |
Adjustment of pole frequency and boost settings of a filter in a channel |
摘要 |
A channel adjustment control adjusts a channel to reduce bit error rate in a disc drive. Variable gain register settings are read and compared to filter characteristics to provide an operational boost register setting for an adjustable gain amplifier in the channel. An operational pole register setting is provided based on the operational boost register setting and known parameters of the adjustable low pass filter. Low and high frequency data patterns are applied while the channel adjustment control reads the variable gain register settings.
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申请公布号 |
US6862152(B2) |
申请公布日期 |
2005.03.01 |
申请号 |
US20030374419 |
申请日期 |
2003.02.25 |
申请人 |
SEAGATE TECHNOLOGY LLC |
发明人 |
WU DETHAU;SENG EDMUN CHIANSONG;KAN UTT HENG |
分类号 |
G11B5/012;G11B20/10;(IPC1-7):G11B5/035;G11B5/02 |
主分类号 |
G11B5/012 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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