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Methods and apparatus for determining threshold of one or more DFE transition latches based on incoming data eye
Methods and apparatus for determining threshold of one or more DFE transition latches based on incoming data eye
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机译:用于基于传入数据眼确定一个或多个DFE转换锁存器的阈值的方法和装置
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摘要
Methods and apparatus are provided for determining the threshold position of one or mote DFE latches using an evaluation of the incoming data eye. A threshold position is determined for one or more transition latches employed by a decision-feedback equalizer by obtaining a plurality of samples of a data eye using a data eye monitor; obtaining a vertical eye opening metric from the data eye monitor; and determining the threshold position for the one or more transition latches based on the vertical eye opening metric. A decision-feedback equalizer is also disclosed that comprises at least one data latch having a data threshold; and at least one transition latching having a transition threshold, wherein the transition threshold and the data threshold ate unequal.
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