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                | Equal Component Butterworth Low Pass Filter 
                  Calculator | | 
 |  |  |  |  |  | Enter value of Cutoff Frequency, any one value - Resistor or Capacitor,
		 any one value - Resistor Rc or Resistor Rd  and click on calculate. Result will be displayed. |  
 | Ra = Filter Resistor Rb = Filter Resistor
 (Ra = Rb)
 Ca = Filter Capacitor
 Cb = Filter Capacitor
 (Ca = Cb)
 Rc = Feedback Resistor
 Rd = Feedback Resistor
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