主动低通滤波器电路(Active low-pass filt 作者:dolphin时间:2012-08-13 主动低通滤波器电路(Active low-pass filter)R1 = R2 = 16 KR3 = R4 = 100 KC1 = C2 = 0.01 uF放大倍数Av = R4 / (R3+R4)Freq = 1 KHz
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