设计电路图如上图,D6,D7想做共模保护,D9想做差模保护,但是现在两个同样的CAN通讯电路,接上TVS就不能通讯,但是去掉可以
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设计电路图如上图,D6,D7想做共模保护,D9想做差模保护,但是现在两个同样的CAN通讯电路,接上TVS就不能通讯,但是去掉可以
三个TVS需要都去掉才正常?
接上不能通讯,具体表现在哪里,是通讯不正常还是指的ISO1050没有输出波形?