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OPA847用于单端转差分的电阻设置

Other Parts Discussed in Thread: LMH6552, OPA847

当放大倍数设置为5时,RF=750,RG=150,输出波形很好;

当放大倍数设置为10时,RF=750,RG=75,输出严重失真;

于是我单独测试了RF=750,RG=75,放大倍数为10的反向放大,输出波形也很好;

所以为什么用作加法器差分转单端时,相同参数,输出失真呀

还有就是希望看到的人能解决下我之前发的那个有关LMH6552放大电路电阻设置的问题;