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https://github.com/ra3xdh/qucs_s
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909f02340d
-introduced new type spicecompat::SpiceDialect to distinguish SPICE, Xyce and CDL -adapt dependent components accordingly Signed-off-by: ThomasZecha <zecha@ihp-microelectronics.com>
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/***************************************************************************
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opamp.cpp - description
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-------------------
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begin : Sun Oct 31 2004
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copyright : (C) 2004 by Michael Margraf
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email : michael.margraf@alumni.tu-berlin.de
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SPICE model added by Vadim Kuznetsov <ra3xdh@gmail.com>
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "opamp.h"
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#include "node.h"
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#include "extsimkernels/spicecompat.h"
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OpAmp::OpAmp()
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{
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Description = QObject::tr("operational amplifier");
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Lines.append(new qucs::Line(-30,-20,-20,-20,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-30, 20,-20, 20,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line( 30, 0, 40, 0,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-20,-35,-20, 35,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-20,-35, 30, 0,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-20, 35, 30, 0,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-16, 19, -9, 19,QPen(Qt::black,1)));
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Lines.append(new qucs::Line(-16,-19, -9,-19,QPen(Qt::red,1)));
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Lines.append(new qucs::Line(-13,-22,-13,-15,QPen(Qt::red,1)));
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Ports.append(new Port(-30, 20));
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Ports.append(new Port(-30,-20));
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Ports.append(new Port( 40, 0));
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x1 = -30; y1 = -38;
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x2 = 30; y2 = 38;
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tx = x1+4;
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ty = y2+4;
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Model = "OpAmp";
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Name = "OP";
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SpiceModel = "B";
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Props.append(new Property("G", "1e6", true,
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QObject::tr("voltage gain")));
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Props.append(new Property("Umax", "15 V", false,
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QObject::tr("absolute value of maximum and minimum output voltage")));
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}
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OpAmp::~OpAmp()
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{
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}
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Component* OpAmp::newOne()
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{
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return new OpAmp();
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}
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Element* OpAmp::info(QString& Name, char* &BitmapFile, bool getNewOne)
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{
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Name = QObject::tr("OpAmp");
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BitmapFile = (char *) "opamp";
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if(getNewOne) return new OpAmp();
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return 0;
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}
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QString OpAmp::spice_netlist(spicecompat::SpiceDialect dialect /* = spicecompat::SPICEDefault */)
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{
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QString in_m = Ports.at(0)->Connection->Name;
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if (in_m=="gnd") in_m="0";
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QString in_p = Ports.at(1)->Connection->Name;
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if (in_p=="gnd") in_p="0";
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QString out = Ports.at(2)->Connection->Name;
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if (out=="gnd") out="0";
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QString G = spicecompat::normalize_value(Props.at(0)->Value);
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QString Vmax = spicecompat::normalize_value(Props.at(1)->Value);
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QString s;
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s = QStringLiteral("B_%1 %2 0 V = ").arg(Name).arg(out);
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if (dialect == spicecompat::SPICEXyce) {
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s += QStringLiteral("%1*V(%2,%3)*stp(%4-%1*V(%2,%3))*stp(%1*V(%2,%3)-(-%4))"
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"+%4*stp(%1*V(%2,%3)-%4)"
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"+(-%4)*stp((-%4)-%1*V(%2,%3))\n").arg(G).arg(in_p).arg(in_m).arg(Vmax);
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} else {
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s += QStringLiteral("%1*V(%2,%3)*u(%4-%1*V(%2,%3))*u(%1*V(%2,%3)-(-%4))"
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"+%4*u(%1*V(%2,%3)-%4)"
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"+(-%4)*u((-%4)-%1*V(%2,%3))\n").arg(G).arg(in_p).arg(in_m).arg(Vmax);
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}
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return s;
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}
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