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Sallen-Key Active Butterworth High Pass Filter Calculator
Enter Fc (required) and ONE of the three component values: R1, R2, C1=C2 to calculate the remaining two filter component values.
Cutoff Frequency (Fc):
Hz
KHz
MHz
Filter Resistor Value (R1):
ohm
Kohm
Mohm
Filter Resistor Value (R2):
ohm
Kohm
Mohm
Filter Capacitor Values (C1=C2):
pF
nF
µF
mF
F
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