public static void Lmatch_Z(Complex ZA, Complex ZB, bool isLP, double freq, out double L, out double C)
{
//Calculate Xs s/t GA,new = GB.
//Add shunt susceptance s/t ZA = ZB.
Complex YA = 1 / ZA;
Complex YB = 1 / ZB;
double a = YB.Real;
double b = YB.Real * 2 * ZA.Imaginary;
double c = YB.Real * ZA.Imaginary * ZA.Imaginary + YB.Real * ZA.Real * ZA.Real - ZA.Real;
double Xs_Add;
double Xs_Sub;
MenialOperations.Quadratic(a, b, c, out Xs_Add, out Xs_Sub);
double Xs = 0;
//If this is a lowpass match, Xs needs > 0.
if (isLP)
{
Xs = Xs_Add > 0 ? Xs_Add : Xs_Sub;
Conversions.XtoComponent(Xs, freq, out L);
Complex YA_Prime = 1 / (ZA + new Complex(0, Xs));
double Bp = YB.Imaginary - YA_Prime.Imaginary;
Conversions.BtoComponent(Bp, freq, out C);
}
//If this is a highpass match, Xs needs < 0.
else
{
Xs = Xs_Add < 0 ? Xs_Add : Xs_Sub;
Conversions.XtoComponent(Xs, freq, out C);
Complex YA_Prime = 1 / (ZA + new Complex(0, Xs));
double Bp = YB.Imaginary - YA_Prime.Imaginary;
Conversions.BtoComponent(Bp, freq, out L);
}
}
public static void Lmatch_Y(Complex YA, Complex YB, bool isLP, double freq, out double L, out double C)
{
Complex ZA = 1 / YA;
Complex ZB = 1 / YB;
double a = ZB.Real;
double b = ZB.Real * 2 * YA.Imaginary;
double c = ZB.Real * YA.Imaginary * YA.Imaginary + ZB.Real * YA.Real * YA.Real - YA.Real;
double Bp_Add;
double Bp_Sub;
MenialOperations.Quadratic(a, b, c, out Bp_Add, out Bp_Sub);
double Bp = 0;
//If this is a lowpass match, Bp needs > 0.
if (isLP)
{
Bp = Bp_Add > 0 ? Bp_Add : Bp_Sub;
Conversions.BtoComponent(Bp, freq, out C);
Complex ZA_Prime = 1 / (YA + new Complex(0, Bp));
double Xs = ZB.Imaginary - ZA_Prime.Imaginary;
Conversions.XtoComponent(Xs, freq, out L);
}
//If this is a highpass match, Bp needs < 0.
else
{
Bp = Bp_Add < 0 ? Bp_Add : Bp_Sub;
Conversions.BtoComponent(Bp, freq, out L);
Complex ZA_Prime = 1 / (YA + new Complex(0, Bp));
double Xs = ZB.Imaginary - ZA_Prime.Imaginary;
Conversions.XtoComponent(Xs, freq, out C);
}
}