Backport tapered line from Qucs-0.0.20

qucs/components/CMakeLists.txt

@@ -58,6 +58,7 @@ mutualx.cpp
 indq.cpp
 capq.cpp
 circline.cpp
+taperedline.cpp
 )
 
 SET(COMPONENTS_HDRS
@@ -201,6 +202,7 @@ subcirport.h
 substrate.h
 switch.h
 symtrafo.h
+taperedline.h
 tff_SR.h
 thyristor.h
 tline_4port.h

qucs/components/components.h

@@ -143,6 +143,7 @@
 #include "rfedd2p.h"
 #include "indq.h"
 #include "capq.h"
+#include "taperedline.h"
 
 #include "mod_amp.h"
 #include "log_amp.h"

qucs/components/taperedline.cpp

@@ -0,0 +1,85 @@
+/*
+* taperedline.cpp - Exponentially tapered line implementation
+*
+* copyright (C) 2015 Andres Martinez-Mera <andresmartinezmera@gmail.com>
+*
+* This 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, or (at your option)
+* any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this package; see the file COPYING.  If not, write to
+* the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+* Boston, MA 02110-1301, USA.
+*
+*
+*/
+#include "taperedline.h"
+#include "extsimkernels/spicecompat.h"
+
+taperedline::taperedline()
+{
+  Description = QObject::tr("Exponential Tapered line");
+  Simulator = spicecompat::simQucsator;
+
+  //Lines connection device and ports
+  Lines.append(new qucs::Line(-30,  0,-17,  0,QPen(Qt::darkBlue,2)));
+  Lines.append(new qucs::Line( 18,  0, 30,  0,QPen(Qt::darkBlue,2)));
+
+  Lines.append(new qucs::Line(-17,  -6,-17, 6,QPen(Qt::darkBlue,2)));
+  Lines.append(new qucs::Line(18,  -12,18, 12,QPen(Qt::darkBlue,2)));
+
+  Lines.append(new qucs::Line(-17,  6, 18, 12,QPen(Qt::darkBlue,2)));
+  Lines.append(new qucs::Line(-17,  -6,18, -12,QPen(Qt::darkBlue,2)));
+
+
+  Ports.append(new Port(-30, 0));
+  Ports.append(new Port( 30, 0));
+
+  x1 = -30; y1 =-16;
+  x2 =  30; y2 = 14;
+
+  tx = x1+4;
+  ty = y2+4;
+  Model = "TAPEREDLINE";
+  Name  = "Line";
+
+  Props.append(new Property("Z1", "50 Ohm", true,
+		QObject::tr("Characteristic impedance at port 1")));
+  Props.append(new Property("Z2", "100 Ohm", true,
+		QObject::tr("Characteristic impedance at port 2")));
+  Props.append(new Property("L", "75 mm", true,
+		QObject::tr("Line length")));
+  Props.append(new Property("Weighting", "Exponential", true,
+		QObject::tr("Taper weighting")+
+		" [Exponential, Linear, Triangular, Klopfenstein]"));
+  Props.append(new Property("Gamma_max", "0.1", false,
+		QObject::tr("Maximum ripple (Klopfenstein taper only) ")));
+  Props.append(new Property("Alpha", "0 dB", false,
+		QObject::tr("attenuation factor per length in 1/m")));
+  Props.append(new Property("Temp", "26.85", false,
+		QObject::tr("simulation temperature in degree Celsius")));
+}
+taperedline::~taperedline()
+{
+}
+
+Component* taperedline::newOne()
+{
+  return new taperedline();
+}
+
+Element* taperedline::info(QString& Name, char* &BitmapFile, bool getNewOne)
+{
+  Name = QObject::tr("Tapered line");
+  BitmapFile = (char *) "taperedline";
+
+  if(getNewOne)  return new taperedline();
+  return 0;
+}

qucs/components/taperedline.h

@@ -0,0 +1,37 @@
+/*
+* taperedline.cpp - Exponentially tapered line definition
+*
+* copyright (C) 2015 Andres Martinez-Mera <andresmartinezmera@gmail.com>
+*
+* This 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, or (at your option)
+* any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this package; see the file COPYING.  If not, write to
+* the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+* Boston, MA 02110-1301, USA.
+*
+*
+*/
+#ifndef TAPEREDLINE_H
+#define TAPEREDLINE_H
+
+#include "component.h"
+
+
+class taperedline : public Component  {
+public:
+  taperedline();
+ ~taperedline();
+  Component* newOne();
+  static Element* info(QString&, char* &, bool getNewOne=false);
+};
+
+#endif

qucs/module.cpp

@@ -361,6 +361,7 @@ void Module::registerModules (void) {
       REGISTER_TRANS_1 (RectLine);
       REGISTER_TRANS_1 (CircLine);
       REGISTER_TRANS_1 (RLCG);
+      REGISTER_TRANS_1 (taperedline);
       REGISTER_TRANS_1 (Substrate);
       REGISTER_TRANS_1 (MSline);
       REGISTER_TRANS_1 (MScoupled);

qucs/qucs.qrc

@@ -194,6 +194,7 @@
         <file>bitmaps/switch.png</file>
         <file>bitmaps/symtrans.png</file>
         <file>bitmaps/tabular.png</file>
+        <file>bitmaps/taperedline.png</file>
         <file>bitmaps/text.png</file>
         <file>bitmaps/textnew.png</file>
         <file>bitmaps/tff_SR.png</file>