qucs_s/qucs/components/ampere_noise.cpp
2023-06-09 13:54:29 +03:00

107 lines
3.7 KiB
C++

/***************************************************************************
ampere_noise.cpp
------------------
begin : Sat Aug 23 2003
copyright : (C) 2003 by Michael Margraf
email : michael.margraf@alumni.tu-berlin.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "ampere_noise.h"
#include "node.h"
#include "extsimkernels/verilogawriter.h"
#include "extsimkernels/spicecompat.h"
Ampere_noise::Ampere_noise()
{
Description = QObject::tr("noise current source");
Simulator = spicecompat::simQucsator;
Arcs.append(new qucs::Arc(-12,-12, 24, 24, 0, 16*360,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line(-30, 0,-12, 0,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( 30, 0, 12, 0,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( -7, 0, 7, 0,QPen(Qt::darkBlue,3)));
Lines.append(new qucs::Line( 6, 0, 0, -4,QPen(Qt::darkBlue,3)));
Lines.append(new qucs::Line( 6, 0, 0, 4,QPen(Qt::darkBlue,3)));
Lines.append(new qucs::Line(-12, 1, 1,-12,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line(-10, 6, -7, 3,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( 3, -7, 6,-10,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( -7, 10, -2, 5,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( 7, -4, 10, -7,QPen(Qt::darkBlue,2)));
Lines.append(new qucs::Line( -1, 12, 12, -1,QPen(Qt::darkBlue,2)));
Ports.append(new Port( 30, 0));
Ports.append(new Port(-30, 0));
x1 = -30; y1 = -15;
x2 = 30; y2 = 15;
tx = x1+4;
ty = y2+4;
Model = "Inoise";
Name = "I";
Props.append(new Property("i", "1e-6", true,
QObject::tr("current power spectral density in A^2/Hz")));
Props.append(new Property("e", "0", false,
QObject::tr("frequency exponent")));
Props.append(new Property("c", "1", false,
QObject::tr("frequency coefficient")));
Props.append(new Property("a", "0", false,
QObject::tr("additive frequency term")));
rotate(); // fix historical flaw
}
Ampere_noise::~Ampere_noise()
{
}
Component* Ampere_noise::newOne()
{
return new Ampere_noise();
}
Element* Ampere_noise::info(QString& Name, char* &BitmapFile, bool getNewOne)
{
Name = QObject::tr("Noise Current Source");
BitmapFile = (char *) "noise_current";
if(getNewOne) return new Ampere_noise();
return 0;
}
QString Ampere_noise::va_code()
{
QString u = vacompat::normalize_value(getProperty("i")->Value);
QString e = vacompat::normalize_value(getProperty("e")->Value);
QString c = vacompat::normalize_value(getProperty("c")->Value);
QString a = vacompat::normalize_value(getProperty("a")->Value);
QString plus = Ports.at(0)->Connection->Name;
QString minus = Ports.at(1)->Connection->Name;
QString s = "";
QString Ipm = vacompat::normalize_current(plus,minus,true);
if ( e == "0" )
{
s += QString("%1 <+ white_noise(%2,\"shot\" );\n").arg(Ipm).arg(u);
}
else
{
s += QString("%1 <+ flicker_noise(%2, %3, \"flicker\" );\n" ).arg(Ipm).arg(u).arg(e);
}
return s;
}