如何在6号脚上也加上A点的2.5V电压,直接加的话负直流电压会影响到A点的电压。如何不影响A点的电压 让5,6脚上都加上2.5V的偏置电压,在线等 谢谢啦 负直流是-600MV的电压
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在Pin6同样接一个类似于5脚的分压电阻,保证接入Pin6的电压为2.5V+(-0.6V)=1.9V,因此Vout=[(Vin+)-(Vin-)]*5=3V.