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Data slicer capable of automatically removing current mismatch between current pumps incorporated therein and its operating method
Data slicer capable of automatically removing current mismatch between current pumps incorporated therein and its operating method
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机译:能够自动消除内置电流泵之间的电流失配的数据切片器及其操作方法
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摘要
A data slicer capable of removing current mismatch between internal current pumps and its operating method is proposed. The data slicer includes a comparator for comparing an analog signal with a slice reference level to convert the analog signal into a digital signal, a counter electrically connected to the comparator for calculating a digital sum value according to logic values carried by the digital signal, and a voltage-adjusting circuit electrically connected to the comparator for adjusting the slice reference level. The voltage-adjusting circuit has two current pumps for shifting the slice reference level. The current generated by the current pumps can be adjusted according to the calculated digital sum value to reduce a difference between a first and a second binary values which are used to increase and decrease the slice reference level respectively.
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