发明名称 |
Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit |
摘要 |
A signal processing circuit for a magnetic recording/reproducing apparatus, including at least an AGC, a PLL, a LPF, an equalizer circuit and a detection circuit, wherein a coefficient compensation circuit is formed by defining a constitution of the equalizer circuit, an error detection circuit is provided which operates by receiving input from the detection circuit, and the LSI is formed by a plurality of analog and digital chips, and the analog and digital chips are connected by current-output type D/A converters connected to at least the AGC and the PLL.
|
申请公布号 |
US5818655(A) |
申请公布日期 |
1998.10.06 |
申请号 |
US19950506635 |
申请日期 |
1995.07.25 |
申请人 |
HITACHI, LTD. |
发明人 |
SATOH, NAOKI;MITA, SEIICHI;MIYAZAWA, SHOICHI;TAKASHI, TERUMI;HORI, YOSUKE;WATANABE, YOSHIJU;HIRANO, AKIHIKO;MINOSHIMA, SATOSHI;MIYASAKA, HIDEKI;NITTA, TOSHIHIRO;HIRAI, TOMOAKI;SHIMOKAWA, RYUSHI;SHIDA, KOJI;OUCHI, YASUHIDE |
分类号 |
G11B5/035;G11B5/09;G11B20/10;(IPC1-7):G11B5/035 |
主分类号 |
G11B5/035 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|