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振荡信号滤波

Other Parts Discussed in Thread: INA110

用线圈检测一个信号,前端使用了一个INA110仪表放大器,接成伪差分形式。线圈两端并了一个100p的电容和50k的可调电位器。电路搭好后,可以检测出信号,但是后面跟了一串振荡,不知道有没有什么滤波器可以把这种振荡给滤掉,类似就是附图里的效果,黑颜色的是我现在获得的信号,红颜色的就把除了检测信号之外的振荡基本滤掉了。