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激光脉冲信号放大,如何选择运放

Other Parts Discussed in Thread: OPA380, TLV3201, OPA355, LMH6642, OPA656

TI同仁们:

                 你们好!我手头有一PIN二极管的光电探测器,有光照时输出脉冲电流信号,脉宽大概在100ns左右,幅值在示波器(50OMH输入电阻)上看是40mv左右,不知道应该如何处理这个信号,是先放大电流还是直接放大电压,应该选择何种运放?

 谢谢!