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OPA129 1mV-100mV的直流放大问题

Other Parts Discussed in Thread: LMP2021, OPA335, TLC2652A, OPA734

用OPA129搭了一个很简单的正向放大电路,正负12V供电,输入1mV-100mV的直流信号,但是电路不工作,输出端是10V左右。各位帮分析一下问题所在。谢谢。