发明授权
- 专利标题： Adaptively extending tunable range of frequency in a closed loop
- 专利标题（中）： 在闭环中自适应地扩展频率的可调范围
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申请号： US10985511申请日： 2004-11-10
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公开(公告)号： US07119628B2公开(公告)日： 2006-10-10
- 发明人: Ashoke Ravi , Krishnamurthy Soumyanath
- 申请人： Ashoke Ravi , Krishnamurthy Soumyanath
- 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： Trop, Pruner & Hu, P.C.
- 主分类号： H03L7/08
- IPC分类号： H03L7/08
摘要：
A semiconductor device or a circuit includes a controllable oscillator and circuitry that senses a voltage which may control the controllable oscillator and digitally controls a gain compensation, adaptively compensating for a drop in a gain against overall loop gain within a closed loop. In one embodiment, a single supply source may be used to power the closed loop while a variable gain stage that is digitally controllable may adjust the gain in a feed-forward manner based on the drop.
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