发明授权
- 专利标题: Skew detection system and method to remove unwanted noise due to skewed signals
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申请号: US17474209申请日: 2021-09-14
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公开(公告)号: US11573268B1公开(公告)日: 2023-02-07
- 发明人: Siamak Delshadpour , Xu Zhang , Xiaoqun Liu , Kenneth Jaramillo
- 申请人: NXP USA, Inc.
- 申请人地址: US TX Austin
- 专利权人: NXP USA, Inc.
- 当前专利权人: NXP USA, Inc.
- 当前专利权人地址: US TX Austin
- 主分类号: H03K19/094
- IPC分类号: H03K19/094 ; G01R31/317 ; H03K19/20 ; H03K19/0185
摘要:
Various embodiments relate to a skew detector circuit, including: a logic circuit having two inputs configured to generate a logic 1 output when the two inputs have a logic 0 value and generator a logic 0 output when the two input have a logic 1 value; a first level shifter configured to increase the output of the logic circuit to a higher voltage; a second level shifter configured to increase the output of the first level shifter to a higher voltage; and a voltage regulator configured to produce a first voltage for the logic circuit, a second voltage for the first level shifter, and a third voltage for the second level shift.
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