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多重反馈带通滤波器自激问题

Other Parts Discussed in Thread: LM324

大家好,现在我用一个LM324搭一个带通滤波器,但是一接电源就自激了。芯片都良好的去耦了。大家帮忙看看。其中R1 6.6k R2 13.3k R3 33欧 设计的是要实现增益为-1,Q为10,中心频率为24KHz的带通滤波电路。