[img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\2418953896\QQ\WinTemp\RichOle\CO[DYK6A{8B79T3XI$K%S~D.png[/img][img=0,1]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\2418953896\QQ\WinTemp\RichOle\CO[DYK6A{8B79T3XI$K%S~D.png[/img][img=0,1]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\2418953896\QQ\WinTemp\RichOle\CO[DYK6A{8B79T3XI$K%S~D.png[/img]
上图右边输入1KHZ 1V 正弦波，用示波器测试IC101A的2,3脚没波形，测试AINL+，AINL-也没波形。
请求大神赐教！
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