发明名称 |
Band-pass filter and tracking signal processor circuit |
摘要 |
A band-pass filter includes two operational amplifiers. The gm values of the operational amplifiers are each determined by a current flowing through a corresponding transistor for inducing flow of the drive current. The current flowing through the transistor is adjusted by zapping.
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申请公布号 |
US2004135625(A1) |
申请公布日期 |
2004.07.15 |
申请号 |
US20030744626 |
申请日期 |
2003.12.23 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
INOUE HIDEKAZU |
分类号 |
G11B15/467;H03H11/12;(IPC1-7):H03B1/00 |
主分类号 |
G11B15/467 |
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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