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LM567C技术问题

Other Parts Discussed in Thread: LM567C

1、LM567C的datasheet中,中心频率的计算公式为:f0=1.1/RC,而LM567C的百度百科中,中心频率的计算公式为:f0=1/1.1RC,那么LM567C的真正的中心频率计算公式是什么?

2、LM567C的datasheet中,带宽的计算式:Bw=1040*Sqrt(Vi/(f0*C2))中,其C2的的计算单位是uF还是F?

3、信号需要最小cycles数多少个,LM567C才能识别到,并输出有效信号?

4、当噪声频率与信号频率接近,如果噪声幅值大于20mV,是不是噪声也会被LM567C识别并输出?