Butterworth 12dB Highpass
From HwB
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[[Image:cir_ActiveFilter2H.png]] | [[Image:cir_ActiveFilter2H.png]] | ||
| − | C=4.7n-10nF | + | C=4.7n-10nF |
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| − | + | ||
| − | Units: Rx [Ohm], C [F], Fc [Hz] | + | <math>Ra=\frac {0.7071}{2\pi \times Fc \times C}</math> |
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| + | <math>Rb=\frac {1.414}{2\pi \times Fc \times C}</math> | ||
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| + | ''Units: Rx [Ohm], C [F], Fc [Hz]'' | ||
== Contributions == | == Contributions == | ||
Revision as of 20:28, 26 December 2006
(2st order, 12 dB/octave, Highpass)
C=4.7n-10nF
<math>Ra=\frac {0.7071}{2\pi \times Fc \times C}</math>
<math>Rb=\frac {1.414}{2\pi \times Fc \times C}</math>
Units: Rx [Ohm], C [F], Fc [Hz]
Contributions
Sources
- ?