发明授权
- 专利标题: Oversampling rotational frequency detector
- 专利标题(中): 过采样旋转频率检测器
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申请号: US885368申请日: 1997-07-01
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公开(公告)号: US6055286A公开(公告)日: 2000-04-25
- 发明人: Bin Wu , Richard C Walker
- 申请人: Bin Wu , Richard C Walker
- 申请人地址: CA Palo Alto
- 专利权人: Hewlett-Packard Company
- 当前专利权人: Hewlett-Packard Company
- 当前专利权人地址: CA Palo Alto
- 主分类号: H03L7/085
- IPC分类号: H03L7/085 ; H03L7/08 ; H03L7/087 ; H03L7/091 ; H03L7/113 ; H03L7/14 ; H04L7/033 ; H03D3/24
摘要:
This invention provides a simple yet robust solution to the phase-locked loop frequency acquisition problem in clock and data recovery circuits by using a frequency detector with a deadband, which is constructed in part with an oversampling rotational frequency detector.
公开/授权文献
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