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我用芯片手册上+2增益的测试电路,14M的时候就衰减到-3dB了,有谁遇到过这样的问题吗,能帮忙解决下吗,谢谢
信号频率是多少？
还有测试条件怎样的？直接接入信号发生器以及示波器还是？
您好，
1， 请问负载是怎么接的？探头的输入阻抗是多少？
2， 请上传实际的测试电路图，和，测试结果图。谢谢！
