发明授权
US07184503B2 Multi-loop circuit capable of providing a delayed clock in phase locked loops
失效
能够在锁相环中提供延迟时钟的多回路电路
- 专利标题: Multi-loop circuit capable of providing a delayed clock in phase locked loops
- 专利标题(中): 能够在锁相环中提供延迟时钟的多回路电路
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申请号: US11303682申请日: 2005-12-15
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公开(公告)号: US07184503B2公开(公告)日: 2007-02-27
- 发明人: Keng L. Wong , Chee How Lim
- 申请人: Keng L. Wong , Chee How Lim
- 申请人地址: US CA Santa Clara
- 专利权人: Intel Corporation
- 当前专利权人: Intel Corporation
- 当前专利权人地址: US CA Santa Clara
- 代理机构: Blakely, Sokoloff, Taylor & Zafman LLP
- 主分类号: H04L7/00
- IPC分类号: H04L7/00 ; H03L7/06 ; H03D3/24
摘要:
A multi-loop circuit includes a first switching device to receive a first clock pulse and a second delayed pulse and produce a first output pulse including either the first clock pulse or the second delayed pulse. A first delay device receives the first output pulse and produces a first delayed pulse. A second switching device receives a second clock pulse and the first delayed pulse and produces a second output pulse including either the second clock pulse or the first delayed pulse. A second delay device receives the second output pulse and produces the second delayed pulse. A third switching device receives the first and second delayed pulses and produces a first output signal. A fourth switching device receives the first and second delayed pulses and produces a second output signal. A controller is coupled to control the first, second, third, and fourth switching devices.
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