| 摘要 |
A differential signaling system where a first wire and a second wire are connected to a sending end and a receiving end of a differential signal line. A termination resistor is connected between the first wire and the second wire adjacent to the receiving end. A programmable compensation circuit is connected to the termination resistor in parallel. The programmable compensation circuit includes: a plurality of switches for receiving each bit of an input digital control signal through a gate thereof; a plurality of first capacitors including a first electrode connected to a source electrode of each of the switches, and a second electrode connected to the first wire; and a plurality of second capacitors including a first electrode connected to a drain electrode of each of the switches, and a second electrode connected to the second wire.
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