Collins-Filter

Collins-filter (Pi-Filter) resonance transformation

There are different solutions for calculating a PI-filter. Here one with 2 Boucherot-circuits. First we transformate to a low help resistance, then we transformate to the destination resistance. By changing the help resistance it is possible to adjust Ca, Cb or L. Maybe the automatic search works for a chosen Ca, Cb or L. First calculate the Pi-filter manually, then choose a value close to the value shown. Automatic search is a beta program version. More information [here]

Collins-filter calculator
frequency in mcy input power in Watt source resistance in Ohm load resistance in Ohm help resistance in Ohm inductivity in mH Ca capacity in Farad Cb capacity in Farad peak capacitor voltage Ca in Volt peak capacitor voltage Cb in Volt rms inductivity current in Ampere	standard capacity for Ca chosen capacity Ca in Farad standard capacity for Cb chosen capacity Cb in Farad standard inductivity for L chosen inductivity in Henry search precision regula falsi iterations show graphic solution past calculation

Collins-filter (Pi-Filter) resonance transformation

There are different solutions for calculating a PI-filter. Here the mathematically exact solution with the Q factor. Try a start value for Q between 5...20. Automatic search for Ca, Cb and L is a beta program version. More information [here]

Collins-filter calculator
frequency in mcy input power in Watt source resistance in Ohm load resistance in Ohm Q factor bandwidth in Hz inductivity in mH Ca capacity in Farad Cb capacity in Farad peak capacitor voltage Ca in Volt peak capacitor voltage Cb in Volt rms inductivity current in Ampere help resistance in Ohm	standard capacity for Ca chosen capacity Ca in Farad standard capacity for Cb chosen capacity Cb in Farad standard inductivity for L chosen inductivity in Henry search precision regula falsi iterations show graphic solution past calculation

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trend of solution - zero point is solution for Rh respectively Q

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