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CD4052输出通道干扰问题

Other Parts Discussed in Thread: CD74HC4052, CD4052B

求教。我用CD4052做多路开关,通道间会相互干扰,发现在XCOM,YCOM任意一同到有大幅度信号通过的的时候,另一路信号会输出会减小。

CD4052 采用正负5V供电,A=L,B=H选通X1,Y1,如果X1通过一个1Khz的正负 4.3V的方波,Y1通过一个0.2V正弦,Ycom信号会衰减一点。如果X1也是一个2.5V以下的信号,则不会。这个过程X,Y通道反之亦然。