发明名称 |
Using recorded data for auto calibration of fixed gain of a read amplifier in a data storage device |
摘要 |
A method and apparatus for using a varying amplitude data signal from a data storage medium such as a magnetic disk or magnetic tape to calibrate the gain of the data signal amplifier to an optimal fixed gain. At initialization, amplified data signal peaks are detected over a data region of the data storage medium. The amplified signal peaks are compared to a predetermined reference. The signal amplifier gain is adjusted until only a few amplified signal peaks exceed the reference. The amplifier gain is then fixed at the final adjusted value.
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申请公布号 |
US5467231(A) |
申请公布日期 |
1995.11.14 |
申请号 |
US19940322964 |
申请日期 |
1994.10.13 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
NASH, MARK E.;KENNEDY, RONALD R. |
分类号 |
G11B5/035;G11B20/10;(IPC1-7):G11B5/09;G11B5/02 |
主分类号 |
G11B5/035 |
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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