Sallen-Key Butterworth High Pass Filter Calculator

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Ra = Filter Resistor
Rb = Filter Resistor
(Ra = Rb)
Ca = Filter Capacitor
Cb = Filter Capacitor
(Ca = Cb)

Enter value and click on calculate. Result will be displayed.

Enter your values:

Cutoff Frequency:

(Enter any one value – Ra or Rb or Capacitor)

Resistor Ra:
Resistor Rb:
Capacitor (Ca = Cb):

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