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上波形图看一下
亲；你的OUT3应该是前级的输出，是低阻抗源，电阻近似为0。这样；在5脚做信号加时；完全以你的输入为准了。
建议亲在OUT3串个电阻。
亲，，刚在OUT3串上100k电阻还是不行
亲；50k电位器调在啥位置？
