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DIGITAL PHASE INTERPOLATION CONTROL FOR CLOCK AND DATA RECOVERY CIRCUIT
DIGITAL PHASE INTERPOLATION CONTROL FOR CLOCK AND DATA RECOVERY CIRCUIT
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机译:时钟和数据恢复电路的数字相位插值控制
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摘要
This invention discloses a phase interpolation controller for a clock and data recovery circuit receiving an indication of a phase relationship between a first and a second signal, the phase interpolation controller comprises a plurality of serially coupled bi-directional shift-registers, wherein when the received indication indicates the first signal is ahead of the second signal in phase, the plurality of serially coupled bi-directional shift-registers shifts in one of the bi-directions, and when the received indication indicates the first signal is behind the second signal in phase, the plurality of serially coupled bi-directional shift-registers shifts in the other of the bi-directions.
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