Butterworth 12dB Lowpass

From HwB

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[[Image:cir_ActiveFilter2L.png]]
 
[[Image:cir_ActiveFilter2L.png]]
  
R=4.7k-10 kOhm<br>
+
R=4.7k-10 k&Omega;
Ca=1.414/(2*pi*Fc*R)<br>
+
Cb=0.7071/(2*pi*Fc*R)
+
  
Units: R [Ohm], Cx [F], Fc [Hz]
+
<math>Ca=\frac {1.414}{2\pi \times Fc \times R}</math>
 +
 
 +
<math>Cb=\frac {0.7071}{2\pi \times Fc \times R}</math>
 +
 
 +
''Units: R [&Omega;], Cx [F], Fc [Hz]''
  
 
== Contributions ==
 
== Contributions ==

Latest revision as of 20:36, 26 December 2006

(2nd order, 12 dB/octave, Lowpass)

Cir ActiveFilter2L.png

R=4.7k-10 kΩ

<math>Ca=\frac {1.414}{2\pi \times Fc \times R}</math>

<math>Cb=\frac {0.7071}{2\pi \times Fc \times R}</math>

Units: R [Ω], Cx [F], Fc [Hz]

Contributions

Sources

  •  ?