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你好!下面是原理图和PCB设计。波形图片。
我测量了3P和3N 、8P 8N的阻抗和其他通道一样测量值大约1.8M。排除了虚焊的可能。（不知道这样判断是否正确）
我知道，原理上我这错误把呼吸挂在8通道了。不过调试呼吸的跨接电阻没有焊接。调试的12导联。
