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OPA657跨阻放大器

Other Parts Discussed in Thread: OPA657, OPA847, OPA656

OPA657配合10pF节电容的光电二极管,噪声达到5mVpp(示波器全带宽观测),1mVpp(示波器20MHz带宽观测),推测噪声集中在50MHz~200MHz,请问是这样的吗?   

个人刚开始对这噪声水平表示怀疑,但经过TI仿真软件仿真后,结果也是这样的,100MHz的噪声水平达到1mV,200MHz的噪声水平达到3mV,求大神指教!

如果我要控制噪声到uV级别,应该怎样采取措施呀,或者大家有没有更好的方法可以推荐,感谢大家的宝贵意见!