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Butterworth Pi Low Pass Filter Calculator

Enter Fc, Zo and n (all three are required) to calculate filter component values.

Cutoff Frequency (Fc):
Characteristic Impedance (Zo):
Number of Components (n): (1-9)
Butterworth Pi Low-Pass Filter

L1
L2
L3
L4

C1
C2
C3
C4
C5

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