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27th June 2009, 10:16 PM
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#12 |
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diyAudio Member
Join Date: Oct 2008
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I get it now
 I was just slow to see it in your equations. Instead of the gain being expressed in simple resistances it should be expressed as impedances of the Rf and Ri, Ci legs of the circuit.Gain = (Zf + Zi) / Zi, where Zf = X(Rf) = Rf ohms Zi = X(Ri) + X(Ci), where X(Ri) = Ri ohms and X(Ci) = 1/(2•pi•f•Ci) ohms Thanks! |
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