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Other Parts Discussed in Thread: THS3201
输入分别为10M,100M,200M放大倍数2倍
这是因为THS3201是一款电流反馈运放，Rf的设置不当造成的。
我用同相输入和反相输入分别试了下，按照同相输入RF=RG=768ohm，不管频率为10M,100M还是200M，Gain不变，输出幅值不变。
反相输入的话，按照datasheet中推荐的Rf=576Ohm,Rg=287.在改变三种频率的情况下，输出幅值也不变。
好的 谢谢了 我再试试
