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Sallen-Key Low Pass Filter
½ØֹƵÂÊ(Fc):
Filter Resistor Values Â˲¨µç×èÖµ(R1 = R2)
Filter Capacitor Value Â˲¨µçÈÝÆ÷Öµ(C1):
Â˲¨µçÈÝÆ÷Öµ (C2):