Description
开关量信号线与模拟量信号线也应分开布线,且后者应采用屏蔽线,并且将屏蔽层接地。数字传输线也要用屏蔽线,并且要将屏蔽层接地。由于双绞线中电流方向相反、大小相等,可将感应电流引起的噪声相瓦抵消,故信号线多采用双绞线或屏蔽线。
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