This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

继电器连接问题

我最近在做09年电设国赛题,其中中间一级采用继电器选通放大器847,以实现增益可变。单测含继电器的847可用,但含继电器的847与后一级3091级联就出问题,输入输出做了匹配,请问是什么原因?换成没有继电器的847级联没有问题,请问继电器连接需要注意什么?