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电流反馈型运放的选择

Other Parts Discussed in Thread: LMH6714, THS3202

您好,我想找一款电流反馈型运放,将一个50mv左右,10ns的脉冲信号放大20倍到1V左右,有推荐的型号吗?

我找了lmh6714,实际测试调整Rf和Rg,怎么也达不到20倍,最多到13倍左右,而且Rf与Rg的取值是33KΩ和500Ω。如果再增大Rf或者减小Rg,就会自激。