Bodediagramm für 2Pol aktiv Hoch und Tiefpass

      function mkH(Type,GGain,XSize,XOffset,YGOffset,XStep,YGStep,XUr,YGUr,XFakt,YGFakt,GPhase,YPOffset,YPStep,YPUr,YPFakt){

        var posx;

        var Gpoints = '';

        var Ppoints = '';

        var Log10 = YGStep/YGFakt/Math.log(10);      

        for(posx=0;posx<(XSize+1);posx++){

          var Om = 2*Math.PI*Math.pow(10,((posx-XOffset)*XFakt/XStep)+XUr);

          Calc(Type,Om);

          var yG = Math.log(QBetrag)*Log10*5;<--HIER HABE ICH GESCHUMMELT

          Gpoints += posx.toString()+','+(YGOffset+(YGUr*YGStep) - yG).toString()+' ';

          var yP = Phase*YPStep/YPFakt;

          Ppoints += posx.toString()+','+(YPOffset+(YPUr*YPStep) - yP).toString()+' ';

        }

        document.getElementById(GGain).setAttribute('points', Gpoints);

        document.getElementById(GPhase).setAttribute('points', Ppoints);

      }

      function Calc(Type,Om){

        var Z1=document.getElementById('Z1').value/1000;

        var Z2=document.getElementById('Z2').value/1000;

        var Z3=document.getElementById('Z3').value/1000;

        var Z4=document.getElementById('Z4').value/1000;

        //document.getElementById('Debug').innerHTML+=Z1+'|';

        if (Type=='LP')CalcH(1,0,0,1,Z4*(Z1+Z2),Z1*Z2*Z3*Z4,Om);//Tiefpass

        if (Type=='HP')CalcH(0,0,Z1*Z2*Z3*Z4,1,Z1*(Z3+Z4),Z1*Z2*Z3*Z4,Om);//Tiefpass

      }

      function CalcH(A,B,C,D,E,F,Om1){

        var Om2=Om1*Om1;

        var Om3=Om2*Om1;

        var Om4=Om2*Om2;

        var Nenner = D*D + Om2*(E*E-2*D*F) + Om4*F*F;

        var ZRe = A*D + Om2*(B*E-A*F-C*D) + Om4*C*F;

        var ZIm = Om1*(B*D-A*E) + Om3*(C*E-B*F);

        var Re = ZRe/Nenner;

        var Im = ZIm/Nenner;

        QBetrag = Re*Re + Im*Im;

        //document.getElementById('Debug').innerHTML+=temp+'|';

        Phase = (Math.acos(Re/Math.sqrt(QBetrag))*180/Math.PI);

        if (Im<0)Phase *= -1;

      }