mirror of
https://github.com/ra3xdh/qucs_s
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199 lines
6.4 KiB
C++
199 lines
6.4 KiB
C++
/***************************************************************************
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mosfet.cpp
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------------
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begin : Fri Jun 4 2004
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copyright : (C) 2003 by Michael Margraf
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email : michael.margraf@alumni.tu-berlin.de
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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 "mosfet.h"
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#include "node.h"
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#include "misc.h"
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#include "extsimkernels/spicecompat.h"
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MOSFET::MOSFET()
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{
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// properties obtained from "Basic_MOSFET" in mosfet_sub.cpp
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Description = QObject::tr("MOS field-effect transistor");
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createSymbol();
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tx = x2+4;
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ty = y1+4;
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Model = "_MOSFET";
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}
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// -------------------------------------------------------
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Component* MOSFET::newOne()
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{
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MOSFET* p = new MOSFET();
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p->Props.first()->Value = Props.first()->Value;
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p->Props.next()->Value = Props.next()->Value;
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p->recreate(0);
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return p;
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}
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// -------------------------------------------------------
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Element* MOSFET::info(QString& Name, char* &BitmapFile, bool getNewOne)
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{
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Name = QObject::tr("n-MOSFET");
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BitmapFile = (char *) "nmosfet";
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if(getNewOne) return new MOSFET();
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return 0;
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}
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// -------------------------------------------------------
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Element* MOSFET::info_p(QString& Name, char* &BitmapFile, bool getNewOne)
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{
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Name = QObject::tr("p-MOSFET");
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BitmapFile = (char *) "pmosfet";
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if(getNewOne) {
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MOSFET* p = new MOSFET();
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p->Props.first()->Value = "pfet";
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p->Props.next()->Value = "-1.0 V";
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p->recreate(0);
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return p;
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}
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return 0;
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}
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// -------------------------------------------------------
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Element* MOSFET::info_depl(QString& Name, char* &BitmapFile, bool getNewOne)
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{
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Name = QObject::tr("depletion MOSFET");
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BitmapFile = (char *) "dmosfet";
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if(getNewOne) {
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MOSFET* p = new MOSFET();
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p->Props.first();
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p->Props.next()->Value = "-1.0 V";
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p->recreate(0);
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return p;
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}
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return 0;
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}
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// -------------------------------------------------------
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void MOSFET::createSymbol()
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{
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Lines.append(new qucs::Line(-14,-13,-14, 13,QPen(Qt::darkBlue,3)));
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Lines.append(new qucs::Line(-30, 0,-14, 0,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-10,-11, 0,-11,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line( 0,-11, 0,-30,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-10, 11, 0, 11,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line( 0, 0, 0, 30,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-10, 0, 0, 0,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line(-10,-16,-10, -7,QPen(Qt::darkBlue,3)));
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Lines.append(new qucs::Line(-10, 7,-10, 16,QPen(Qt::darkBlue,3)));
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if(Props.first()->Value == "nfet") {
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Lines.append(new qucs::Line( -9, 0, -4, -5,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line( -9, 0, -4, 5,QPen(Qt::darkBlue,2)));
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}
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else {
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Lines.append(new qucs::Line( -1, 0, -6, -5,QPen(Qt::darkBlue,2)));
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Lines.append(new qucs::Line( -1, 0, -6, 5,QPen(Qt::darkBlue,2)));
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}
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if((Props.next()->Value.trimmed().at(0) == '-') ==
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(Props.first()->Value == "nfet"))
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Lines.append(new qucs::Line(-10, -8,-10, 8,QPen(Qt::darkBlue,3)));
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else
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Lines.append(new qucs::Line(-10, -4,-10, 4,QPen(Qt::darkBlue,3)));
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Ports.append(new Port(-30, 0));
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Ports.append(new Port( 0,-30));
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Ports.append(new Port( 0, 30));
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x1 = -30; y1 = -30;
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x2 = 4; y2 = 30;
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}
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// -------------------------------------------------------
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QString MOSFET::netlist()
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{
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QString s = "MOSFET:"+Name;
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// output all node names
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foreach(Port *p1, Ports)
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s += " "+p1->Connection->Name; // node names
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s += " "+Ports.at(2)->Connection->Name; // connect substrate to source
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// output all properties
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for(Property *p2 = Props.first(); p2 != 0; p2 = Props.next())
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s += " "+p2->Name+"=\""+p2->Value+"\"";
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return s + '\n';
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}
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QString MOSFET::spice_netlist(bool isXyce)
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{
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QString s = spicecompat::check_refdes(Name,SpiceModel);
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QList<int> pin_seq;
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pin_seq<<1<<0<<2<<2; // Pin sequence: DGS; coonect substrate to source
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// output all node names
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foreach(int pin, pin_seq) {
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QString nam = Ports.at(pin)->Connection->Name;
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if (nam=="gnd") nam = "0";
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s += " "+ nam; // node names
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}
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QStringList spice_incompat,spice_tr;
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spice_incompat<<"Type"<<"Temp"<<"L"<<"W"<<"Ad"<<"As"<<"Pd"<<"Ps"
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<<"Rg"<<"N"<<"Tt"<<"Nrd"<<"Nrs"<<"Ffe";
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// spice-incompatible parameters
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if (isXyce) {
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spice_tr<<"Vt0"<<"VtO"; // parameters that need conversion of names
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} else {
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spice_tr.clear();
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}
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QStringList check_defaults_list;
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QString unit;
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check_defaults_list<<"Nsub"<<"Nss";
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foreach (QString parnam,check_defaults_list) { // Check some parameters for default value (zero)
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double val,fac; // And reduce parameter list
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misc::str2num(getProperty(parnam)->Value,val,unit,fac);
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if ((val *= fac)==0.0) {
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spice_incompat.append(parnam);
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}
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}
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QString par_str = form_spice_param_list(spice_incompat,spice_tr);
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QString mosfet_type = getProperty("Type")->Value.at(0).toUpper();
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double l,w,as,ad,ps,pd,fac;
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misc::str2num(getProperty("L")->Value,l,unit,fac);
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l *= fac;
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misc::str2num(getProperty("W")->Value,w,unit,fac);
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w *= fac;
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misc::str2num(getProperty("Ad")->Value,ad,unit,fac);
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ad *= fac;
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misc::str2num(getProperty("As")->Value,as,unit,fac);
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as *= fac;
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misc::str2num(getProperty("Pd")->Value,pd,unit,fac);
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pd *= fac;
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misc::str2num(getProperty("Ps")->Value,ps,unit,fac);
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ps *= fac;
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s += QString(" MMOD_%1 L=%2 W=%3 Ad=%4 As=%5 Pd=%6 Ps=%7 Temp=%8\n")
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.arg(Name).arg(l).arg(w).arg(ad).arg(as).arg(pd).arg(ps).arg(getProperty("Temp")->Value);
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s += QString(".MODEL MMOD_%1 %2MOS (%3)\n").arg(Name).arg(mosfet_type).arg(par_str);
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return s;
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}
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