public override void Analyze(Analysis Mna)
{
Expression P = VariableResistor.AdjustWipe(wipe, sweep);
Expression R1 = Resistance * P;
Expression R2 = Resistance * (1 - P);
Resistor.Analyze(Mna, Cathode, Wiper, R1);
Resistor.Analyze(Mna, Anode, Wiper, R2);
}
public override void Analyze(Analysis Mna)
{
// Implement Voltage gain.
Node pp1 = new Node()
{
Name = "pp1"
};
Node np1 = new Node()
{
Name = "np1"
};
Mna.PushContext(Name, pp1, np1);
// The input terminals are connected by a resistor Rin.
Resistor.Analyze(Mna, Negative, Positive, Rin);
Expression VRin = Negative.V - Positive.V;
Expression Rp1 = 1000;
CurrentSource.Analyze(Mna, pp1, np1, VRin * Aol / Rp1);
Resistor.Analyze(Mna, pp1, np1, Rp1);
Capacitor.Analyze(Mna, pp1, np1, 1 / (2 * Math.PI * Rp1 * GBP / Aol));
Ground.Analyze(Mna, np1);
// Implement voltage limiter.
if (vcc.IsConnected && vee.IsConnected)
{
Node ncc = new Node()
{
Name = "ncc"
};
Node nee = new Node()
{
Name = "nee"
};
Mna.DeclNodes(ncc, nee);
VoltageSource.Analyze(Mna, vcc, ncc, 2);
Diode.Analyze(Mna, pp1, ncc, 8e-16, 1, VT);
VoltageSource.Analyze(Mna, vee, nee, -2);
Diode.Analyze(Mna, nee, pp1, 8e-16, 1, VT);
}
// Output current is buffered.
Mna.AddTerminal(Out, (pp1.V - Out.V) / Rout);
Mna.PopContext();
}
public override void LayoutSymbol(SymbolLayout Sym)
{
base.LayoutSymbol(Sym);
Sym.AddWire(Anode, new Coord(0, 16));
Sym.AddWire(Cathode, new Coord(0, -16));
Sym.InBounds(new Coord(-10, 0), new Coord(10, 0));
Resistor.Draw(Sym, 0, -16, 16, 7);
Sym.DrawArrow(EdgeType.Black, new Coord(-6, -15), new Coord(6, 15), 0.1);
Sym.DrawText(() => Resistance.ToString(), new Coord(-7, 0), Alignment.Far, Alignment.Center);
Sym.DrawText(() => Wipe.ToString("G3"), new Coord(9, 3), Alignment.Near, Alignment.Near);
Sym.DrawText(() => Name, new Coord(9, -3), Alignment.Near, Alignment.Far);
}
public override sealed void LayoutSymbol(SymbolLayout Sym)
{
Sym.InBounds(new Coord(-20, -20), new Coord(10, 20));
Sym.AddTerminal(Anode, new Coord(-10, 20), new Coord(-10, 16));
Sym.DrawPositive(EdgeType.Black, new Coord(-16, 16));
Sym.AddTerminal(Cathode, new Coord(-10, -20), new Coord(-10, -16));
Sym.DrawNegative(EdgeType.Black, new Coord(-16, -16));
Sym.AddTerminal(Wiper, new Coord(10, 0));
Sym.DrawArrow(EdgeType.Black, new Coord(10, 0), new Coord(-6, 0), 0.2);
Resistor.Draw(Sym, -10, -16, 16, 7);
Sym.DrawText(() => Resistance.ToString(), new Coord(-17, 0), Alignment.Far, Alignment.Center);
Sym.DrawText(() => Wipe.ToString("G3"), new Coord(-4, 4), Alignment.Near, Alignment.Near);
Sym.DrawText(() => Name, new Coord(-4, -4), Alignment.Near, Alignment.Far);
}
public override void Analyze(Analysis Mna)
{
Expression P = AdjustWipe(wipe, sweep);
Resistor.Analyze(Mna, Name, Anode, Cathode, (Expression)Resistance * P);
}
public override void Analyze(Analysis Mna)
{
Resistor.Analyze(Mna, Name, Anode, Cathode, Impedance);
}
