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再次发问OPA847输出直流问题,输出接电容无效也无效,无放大能力



按照芯片手册上面第十页 连接。前端就是信号发生器,输出接示波器

探测出来芯片输出直流,交流耦合显示信号没有被放大

输出端串接电容也不行

 

请问这个该怎么解决,问题出在哪里??????