An electronic circuit which holds the output of a circuit at some constant value. A clamp is used in some data sets to hold receiver output constant and avoid troublesome noise interference when no data signals are being received.

• 一种使电路输出保持为一个常量的电子线路。钳位电路用于某些数据设备可使接收器输出为常量，并且可在没有收到数据信号时避免噪音干扰。