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应该没问题，如果是参考电路的话。。。。不过我看你加了补偿电容。应该没问题
我把前期放大单独提出来测试了一下，发现OPA657不是放大10倍，不知道怎么调节
没有阻抗欧姆匹配吧
能详细点吗？哪里加电阻？
