DiodeModel(DiodeModel copy)
{
flags = copy.flags;
SaturationCurrent = copy.SaturationCurrent;
SeriesResistance = copy.SeriesResistance;
EmissionCoefficient = copy.EmissionCoefficient;
BreakdownVoltage = copy.BreakdownVoltage;
updateModel();
}
static DiodeModel getModelWithName(string name)
{
createModelMap();
var lm = modelMap[name];
if (lm != null)
{
return(lm);
}
lm = new DiodeModel();
lm.Name = name;
modelMap.Add(name, lm);
return(lm);
}
public static DiodeModel GetModelWithNameOrCopy(string name, DiodeModel oldmodel)
{
createModelMap();
var lm = modelMap[name];
if (lm != null)
{
return(lm);
}
if (oldmodel == null)
{
Console.WriteLine("model not found: " + name);
return(GetDefaultModel());
}
lm = new DiodeModel(oldmodel);
lm.Name = name;
modelMap.Add(name, lm);
return(lm);
}
public void Setup(DiodeModel model)
{
leakage = model.SaturationCurrent;
zvoltage = model.BreakdownVoltage;
vscale = model.VScale;
vdcoef = model.VdCoef;
/* critical voltage for limiting; current is vscale/sqrt(2) at this voltage */
vcrit = vscale * Math.Log(vscale / (Math.Sqrt(2) * leakage));
/* translated, *positive* critical voltage for limiting in Zener breakdown region;
* limitstep() uses this with translated voltages in an analogous fashion to vcrit. */
vzcrit = VT * Math.Log(VT / (Math.Sqrt(2) * leakage));
if (zvoltage == 0)
{
zoffset = 0;
}
else
{
/* calculate offset which will give us 5mA at zvoltage */
double i = -0.005;
zoffset = zvoltage - Math.Log(-(1 + i / leakage)) / VZ_COEF;
}
}
int compareTo(DiodeModel dm)
{
return(Name.CompareTo(dm.Name));
}
static void addDefaultModel(string name, DiodeModel dm)
{
modelMap.Add(name, dm);
dm.ReadOnly = dm.BuiltIn = true;
dm.Name = name;
}
public void SetupForDefaultModel()
{
Setup(DiodeModel.GetDefaultModel());
}
