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S-parameter viewer - Initial development (squashed)

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This commit contains the first draft of the user interface
Read Touchstone files

It was implemented a basic function to read Touchstone files.

It can only read Touchstone files up to 4 ports and only S-parameter data.


Please see "Touchstone Specification, Version 2.1, ratified January 26 2024 by the IBIS Open Forum": https://ibis.org/touchstone_ver2.1/ 
Add QScrollArea widgets to the files and traces lists

Large number of files and traces are expected, so there is a need for scrollable areas in the files and traces lists.
Basic plotting structure


Add default behaviour when loading one single s2p

A default behavior is added. When a single s2p file is selected, the program automatically displays S21, S11 and S22
Replace the "Delete" message by a trash image

The delete image was taken from here

https://commons.wikimedia.org/wiki/File:Delete-button.svg

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

    You are free:

        to share – to copy, distribute and transmit the work
        to remix – to adapt the work

    Under the following conditions:

        attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
        share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Read Touchstone files with more than two ports


Update traces combobox depending on the selected dataset

If the user has loaded data with different number of ports, the traces combobox must be refreshed each time the user changes the dataset selection. Otherwise, this may cause that the user selects a non existing trace
Fix style in buttons for removing files

The QPushButtons were replaced by QToolButtons. With the QPushButtons the widget was too wide
Fix style in buttons for removing traces

QPushButton was converted into QToolButton
Delete dataset and its traces when the user decides to remove a file


Remove files and traces

Rework on the logic on how to remove datasets and traces
After removing a file, remove the associated widgets


Remove trace from Chart


Update file widget position in the grid after removing


Function handler for changing the color of a trace


Change linestyle depending on the combo selection


Set initial color of the color pickers


Added a spinbox control to control the trace width

It was added a spinbox that controls the width of the traces displayed. This is very convenient when a bunch of traces are being displayed and the user wants to highlight one of them easily
Added function  handler for controlling the x-axis

A handler function was added to control the x-axis settings as the user changes the minimum, maximum or the tick interval
Update traces when changing the axis settings


Fix trace plotting refresh


Fix frequency limits when loading a GHz range file


Dockable widgets


Autoadjust y-axis settings


Automatically add K, delta, mu_s, m_p, MAG and MSG traces in S2P files

When a Touchtone file has two ports, the stability metrics are automatically computed and added to the dataset
Add marker table feature

It was added a new dock consisting on a marker table and some widgets for its management
Add dot marker and vertical lines in the QChart


Make case insensitive the frequency scale

Files were found were the frequency scale is all in capital letters. This creates a problem when reading the spar data. This commit fixes this by putting the frequency scale in lower case
Auto adjust x-axis when changing the units


Put x_div values as a ComboBox

It makes no much sense in having a decimal spinbox for defining the tick interval. It leads to decimal ticks. It's better to have a closed list of possible values
y axis tick in combobox


Fix vertical line markers


Fix bad "About Qt" connection 

The "About Qt" message was not properly connected. As a consequence, when the user went to "Help-> About Qt..." nothing showed up.

This commit is intended to fix this by connecting the menu with the handler as it's done in the filter design tool
Link S-parameter viewer to Qucs-S


Add Re{Zin}, Im{Zin} traces to s1p and s2p files


Hide y-axis units

It makes no much sense for now to have it since it may happen that the y-axis represent dB, Ohm or simply its unitless (e.g. K, mu, ...)
Fix segfault when removing one single file

In previous commits, it was observed a segfault when removing one single s-par file. This happened because the program was freeing widgets already freed. This situation is avoided by ordering the list of widgets to remove
Autoadjust y-axis


Remove widgets for marker placement

They are actually not needed. The SpinBox and the combo with units just add clutter. The user can set the marker freq once added
Update x-axis limits after removing file


Increase maximum x-ticks


Get suffix using Qt method

This is more robust than the previous approach
Fix frequency scale in markers


Enable drag and drop to open files


Fix segfault when removing file


Readjust frequency limits when dataset has no traces


Fix read touchstone

Files were found whose header contains no !
Fix initial marker step


Fix autoscale y-axis


Prevent docks from closing

It makes no sense the user can close the docks
Solve infinite loop when fmax=3000 [unit]


Implemented button for removing all files on a row


Implement button for removing all markers on a row
This commit is contained in:
andresmmera 2024-09-08 08:33:53 +02:00
parent c4896913c3
commit f4d1c4a225
15 changed files with 3800 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.gitignore vendored
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@ -57,3 +57,5 @@ __pycache__
.vscode/settings.json
.vscode/tasks.json
/cmake-build-debug/
build-qucs-s-spar-viewer-Desktop-Debug/

1
CMakeLists.txt
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@ -66,6 +66,7 @@ add_subdirectory( qucs-filter )
add_subdirectory( library )
add_subdirectory( qucs-transcalc )
add_subdirectory( qucs-powercombining )
add_subdirectory( qucs-s-spar-viewer )
#add_subdirectory( examples )
if(EXISTS ${CMAKE_SOURCE_DIR}/qucsator_rf/CMakeLists.txt)
add_subdirectory(qucsator_rf)

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PROJECT(qucs-s-spar-viewer CXX C)
CMAKE_MINIMUM_REQUIRED(VERSION 3.10)
cmake_policy(VERSION 3.10)
SET(QUCS_NAME "qucs-s")
# use top VERSION file
file (STRINGS ${PROJECT_SOURCE_DIR}/../VERSION QUCS_VERSION)
message(STATUS "Configuring ${PROJECT_NAME} (GUI): VERSION ${QUCS_VERSION}")
set(PROJECT_VERSION "${QUCS_VERSION}")
set(PROJECT_VENDOR "Qucs-S team. This program is licensed under the GNU GPL")
set(PROJECT_COPYRIGHT_YEAR "2024")
set(PROJECT_DOMAIN_FIRST "qucs")
set(PROJECT_DOMAIN_SECOND "org")
add_compile_definitions(HAVE_CONFIG_H)
SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
# configure the header config.h
CONFIGURE_FILE (
"${PROJECT_SOURCE_DIR}/../config.h.cmake"
"${PROJECT_BINARY_DIR}/config.h"
)
INCLUDE_DIRECTORIES("${PROJECT_BINARY_DIR}")
if(WITH_QT6)
set(QT_VERSION_MAJOR 6)
else()
set(QT_VERSION_MAJOR 5)
endif()
find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Core Gui Widgets Charts)
include_directories(
${Qt${QT_VERSION_MAJOR}Core_INCLUDE_DIRS}
${Qt${QT_VERSION_MAJOR}Gui_INCLUDE_DIRS}
${Qt${QT_VERSION_MAJOR}Widgets_INCLUDE_DIRS}
)
IF(QT_VERSION_MAJOR EQUAL 6)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
ELSE()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
ENDIF()
if (MSVC)
add_compile_options(/Zc:__cplusplus /permissive- /MP /Zc:preprocessor)
else()
# additional warnings
add_compile_options(-Wall -Wextra)
endif()
ADD_DEFINITIONS(${QT_DEFINITIONS})
#ADD_SUBDIRECTORY( bitmaps ) -> added as resources
SET( spar_viewer_sources main.cpp qucs-s-spar-viewer.cpp)
SET( spar_viewer_moc_headers qucs-s-spar-viewer.h)
SET(RESOURCES qucs-s-spar-viewer.qrc)
if(QT_VERSION_MAJOR EQUAL 6)
QT6_WRAP_CPP( spar_viewer_moc_sources ${spar_viewer_moc_headers}spar_viewerf )
QT6_ADD_RESOURCES(RESOURCES_SRCS ${RESOURCES})
else()
QT5_WRAP_CPP( spar_viewer_moc_sources ${spar_viewer_moc_headers} )
QT5_ADD_RESOURCES(RESOURCES_SRCS ${RESOURCES})
endif()
IF(APPLE)
# set information on Info.plist file
SET(MACOSX_BUNDLE_INFO_STRING "${PROJECT_NAME} ${PROJECT_VERSION}")
SET(MACOSX_BUNDLE_BUNDLE_VERSION "${PROJECT_NAME} ${PROJECT_VERSION}")
SET(MACOSX_BUNDLE_LONG_VERSION_STRING "${PROJECT_NAME} ${PROJECT_VERSION}")
SET(MACOSX_BUNDLE_SHORT_VERSION_STRING "${PROJECT_VERSION}")
SET(MACOSX_BUNDLE_COPYRIGHT "${PROJECT_COPYRIGHT_YEAR} ${PROJECT_VENDOR}")
SET(MACOSX_BUNDLE_GUI_IDENTIFIER "${PROJECT_DOMAIN_SECOND}.${PROJECT_DOMAIN_FIRST}")
SET(MACOSX_BUNDLE_BUNDLE_NAME "${PROJECT_NAME}")
SET(MACOSX_BUNDLE_ICON_FILE qucs-s-spar-viewer.icns)
# set where in the bundle to put the icns file
SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_SOURCE_DIR}/../qucs/bitmaps/qucs-s-spar-viewer.icns PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
# include the icns file in the target
SET(spar_viewer_sources ${spar_viewer_sources} ${CMAKE_CURRENT_SOURCE_DIR}/../qucs/bitmaps/qucs-s-spar-viewer.icns)
ENDIF(APPLE)
ADD_EXECUTABLE( ${QUCS_NAME}spar-viewer MACOSX_BUNDLE WIN32
${spar_viewer_sources}
${spar_viewer_moc_sources}
${RESOURCES_SRCS} )
TARGET_LINK_LIBRARIES( ${QUCS_NAME}spar-viewer Qt${QT_VERSION_MAJOR}::Core Qt${QT_VERSION_MAJOR}::Gui Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::Charts )
SET_TARGET_PROPERTIES(${QUCS_NAME}spar-viewer PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
#INSTALL (TARGETS ${QUCS_NAME}spar-viewer DESTINATION bin)
#
# Prepare the installation
#
SET(plugin_dest_dir bin)
SET(qtconf_dest_dir bin)
SET(APPS "${CMAKE_INSTALL_PREFIX}/bin/${QUCS_NAME}spar-viewer")
IF(APPLE)
SET(plugin_dest_dir ${QUCS_NAME}spar-viewer.app/Contents/MacOS)
SET(qtconf_dest_dir ${QUCS_NAME}spar-viewer.app/Contents/Resources)
SET(APPS "${CMAKE_INSTALL_PREFIX}/bin/${QUCS_NAME}spar-viewer.app")
ENDIF(APPLE)
IF(WIN32)
SET(APPS "${CMAKE_INSTALL_PREFIX}/bin/${QUCS_NAME}spar-viewer.exe")
ENDIF(WIN32)
#
# Install the Qucs application, on Apple, the bundle is
# installed as on other platforms it'll go into the bin directory.
#
INSTALL(TARGETS ${QUCS_NAME}spar-viewer
BUNDLE DESTINATION bin COMPONENT Runtime
RUNTIME DESTINATION bin COMPONENT Runtime
)
#
# Install needed Qt plugins by copying directories from the qt installation
# One can cull what gets copied by using 'REGEX "..." EXCLUDE'
#
IF(APPLE AND QT_PLUGINS_DIR)
INSTALL(DIRECTORY "${QT_PLUGINS_DIR}/imageformats" DESTINATION bin/${plugin_dest_dir}/plugins COMPONENT Runtime)
ENDIF()
#
# install a qt.conf file
# this inserts some cmake code into the install script to write the file
#
IF(APPLE)
INSTALL(CODE "
file(WRITE \"\${CMAKE_INSTALL_PREFIX}/bin/${qtconf_dest_dir}/qt.conf\" \"\")
" COMPONENT Runtime)
ENDIF()
#--------------------------------------------------------------------------------
# Use BundleUtilities to get all other dependencies for the application to work.
# It takes a bundle or executable along with possible plugins and inspects it
# for dependencies. If they are not system dependencies, they are copied.
# directories to look for dependencies
IF(APPLE)
SET(DIRS ${QT_LIBRARY_DIRS})
ENDIF()
# Now the work of copying dependencies into the bundle/package
# The quotes are escaped and variables to use at install time have their $ escaped
# An alternative is the do a configure_file() on a script and use install(SCRIPT ...).
# Note that the image plugins depend on QtSvg and QtXml, and it got those copied
# over.
IF(APPLE)
INSTALL(CODE "
file(GLOB_RECURSE QTPLUGINS
\"\${CMAKE_INSTALL_PREFIX}/bin/${plugin_dest_dir}/plugins/*${CMAKE_SHARED_LIBRARY_SUFFIX}\")
include(BundleUtilities)
fixup_bundle(\"${APPS}\" \"\${QTPLUGINS}\" \"${DIRS}\")
" COMPONENT Runtime)
ENDIF()

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@ -0,0 +1,19 @@
SET(XPMS
)
# toolbar images
SET(PNGS
att_pi.png
att_tee.png
att_bridge.png
)
# application images
SET(ICONS
)
INSTALL(FILES ${XPMS} DESTINATION share/qucs/bitmaps)
INSTALL(FILES ${PNGS} DESTINATION share/qucs/bitmaps)
INSTALL(FILES ${ICONS} DESTINATION share/qucs/bitmaps)

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@ -0,0 +1,225 @@
/* XPM */
static char *big_qucs_xpm[] = {
"32 32 190 2",
" c None",
". c #BCA2BC",
"+ c #B4B2D4",
"@ c #BC96BC",
"# c #7C6E9C",
"$ c #ACB2CC",
"% c #9C869C",
"& c #BCA2CC",
"* c #CCC6E4",
"= c #140A1C",
"- c #140A14",
"; c #0C0A14",
"> c #5C5A64",
", c #ACB6C4",
"' c #CCC6D4",
") c #0C0614",
"! c #0C0A1C",
"~ c #1C121C",
"{ c #1C1224",
"] c #0C060C",
"^ c #1C0A1C",
"/ c #2C2234",
"( c #0C0A24",
"_ c #140A24",
": c #1C0E2C",
"< c #240E24",
"[ c #3C323C",
"} c #B49EC4",
"| c #AC9ECC",
"1 c #CCCEE4",
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"p c #ACAECC",
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"t c #CCCAE4",
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"y c #24264C",
"z c #44365C",
"A c #ACAAC4",
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"D c #5C426C",
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"H c #9492AC",
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"J c #340E1C",
"K c #7C0E14",
"L c #14122C",
"M c #3C3A64",
"N c #3C3E74",
"O c #ACA6CC",
"P c #D4DEEC",
"Q c #BCB2DC",
"R c #846694",
"S c #5C3E64",
"T c #2C1E3C",
"U c #341E34",
"V c #C4C2CC",
"W c #ECEAEC",
"X c #2C2A4C",
"Y c #242254",
"Z c #1C1A4C",
"` c #7466A4",
" . c #BCBADC",
".. c #CCDEEC",
"+. c #745A84",
"@. c #24162C",
"#. c #3C2A3C",
"$. c #241E2C",
"%. c #1C1E4C",
"&. c #242654",
"*. c #142E64",
"=. c #1C326C",
"-. c #1C265C",
";. c #34366C",
">. c #8476AC",
",. c #CCD2EC",
"'. c #C4CAE4",
"). c #4C4254",
"!. c #44325C",
"~. c #4C2E54",
"{. c #141234",
"]. c #142654",
"^. c #144274",
"/. c #1C3E74",
"(. c #1C2254",
"_. c #1C1E54",
":. c #4C4A7C",
"<. c #A492C4",
"[. c #6C6A7C",
"}. c #64628C",
"|. c #847A8C",
"1. c #644A74",
"2. c #14224C",
"3. c #1C3674",
"4. c #14427C",
"5. c #143E7C",
"6. c #1C3A7C",
"7. c #2C2644",
"8. c #D4E2F4",
"9. c #B4AACC",
"0. c #8C7AA4",
"a. c #140E2C",
"b. c #141634",
"c. c #14366C",
"d. c #1C427C",
"e. c #1C3E7C",
"f. c #141E44",
"g. c #C4CEEC",
"h. c #DCE6EC",
"i. c #C4C6C4",
"j. c #6C5E74",
"k. c #445274",
"l. c #A4B6DC",
"m. c #2C528C",
"n. c #6472AC",
"o. c #14163C",
"p. c #4C4684",
"q. c #BCB6DC",
"r. c #D4CEDC",
"s. c #9C9EA4",
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"u. c #2C365C",
"v. c #5C6A94",
"w. c #8CA2CC",
"x. c #BCBEE4",
"y. c #8C86AC",
"z. c #1C2A64",
"A. c #74769C",
"B. c #CCCADC",
"C. c #C4CEE4",
"D. c #A49EBC",
"E. c #1C162C",
"F. c #8C8AB4",
"G. c #445A8C",
"H. c #A49EC4",
"I. c #B4BAD4",
"J. c #B4B2DC",
"K. c #CCCEEC",
"L. c #CCDAF4",
"M. c #BCC6E4",
"N. c #746A8C",
"O. c #949AB4",
"P. c #9C8EB4",
"Q. c #544E74",
"R. c #342E4C",
"S. c #242A54",
"T. c #6C7AA4",
"U. c #4C5E94",
"V. c #7486B4",
"W. c #9CAAD4",
"X. c #C4D2EC",
"Y. c #D4E2EC",
"Z. c #DCEEF4",
"`. c #D4DAEC",
" + c #C4C6E4",
".+ c #B4AED4",
"++ c #7C7AA4",
"@+ c #9496B4",
"#+ c #9492B4",
"$+ c #8C92AC",
" ",
" ",
" . + ",
" @ # $ ",
" % & * $ ",
" = - ; = = - > , ' ",
" = ; ; = ) = ! ) = ! ",
" ~ ; ) ) ; = ! = ! = { ",
" = ; ] ) ; ) ) = ! = = ^ / ",
" = ; ) ! ) = ! ( ! ! _ : < _ [ } | 1 2 ",
" 3 = ) ! ) ( ( ( ( _ 3 4 5 6 { = 7 8 9 0 a b 0 c d ",
" = ( = = ( = ! _ ! e f g h i j k l m n o p q r s t u ",
" 3 _ v w x ) _ ( _ y z A B C D E j F n r C G H I ",
" _ J w K < _ _ L M b N O P Q R S T E U V V W ",
" _ _ x ^ _ 3 X M Y Z X ` ...| +.@.T #. ",
" $.= _ _ L %.&.*.=.-.Z ;.>.,.'.).!.~. ",
" = ! = 3 {.].^././.*.(._.:.<.[.}.|.1. ",
" > = ! ( L 2.3.4.5.6.*._.Y 7.}.8.9. ",
" 0.@.M 3 = a.b.].c.d.e.3.f.a.&.8 g.h. ",
" i.j.k.l.b ; ( 3 f.*.4.m.n.o.Z %.p.q. ",
" r.s.t.l. = ! 3 u.v.w.x.y.*.z._.A. ",
" B.C.D.t. ! E.x.Q 9.+ F.6.G. ",
" H.I.I. ! J. .K...'. ",
"r.J.A L.M.D.N.O. ",
"P.9. Q.R.%.S.T. ",
" N U.V.W.X. ",
" M.X.Y.c c ",
" c Z.c `. + ",
" B .+n ++@+ ",
" #+$+p A ",
" ",
" "};

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/****************************************************************************
** Qucs Attenuator Synthesis
** main.cpp
**
**
**
**
**
**
**
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <QApplication>
#include <QString>
#include <QTranslator>
#include <QFile>
#include <QTextStream>
#include <QMessageBox>
#include <QDir>
#include <QFont>
#include <QSettings>
#include <QDesktopWidget>
#include <QScreen>
#include <QStyle>
#include "qucs-s-spar-viewer.h"
struct tQucsSettings QucsSettings;
// #########################################################################
// Loads the settings file and stores the settings.
bool loadSettings()
{
QSettings settings("qucs","qucs_s");
settings.beginGroup("QucsAttenuator");
if(settings.contains("x"))QucsSettings.x=settings.value("x").toInt();
if(settings.contains("y"))QucsSettings.y=settings.value("y").toInt();
settings.endGroup();
if(settings.contains("font"))QucsSettings.font.fromString(settings.value("font").toString());
if(settings.contains("Language"))QucsSettings.Language=settings.value("Language").toString();
return true;
}
// #########################################################################
// Saves the settings in the settings file.
bool saveApplSettings(Qucs_S_SPAR_Viewer *qucs)
{
QSettings settings ("qucs","qucs_s");
settings.beginGroup("QucsAttenuator");
settings.setValue("x", qucs->x());
settings.setValue("y", qucs->y());
settings.endGroup();
return true;
}
int main( int argc, char ** argv )
{
QApplication a( argc, argv );
// apply default settings
QucsSettings.x = 200;
QucsSettings.y = 100;
// is application relocated?
char * var = getenv ("QUCSDIR");
QDir QucsDir;
if (var != NULL) {
QucsDir = QDir (var);
QString QucsDirStr = QucsDir.canonicalPath ();
QucsSettings.LangDir =
QDir::toNativeSeparators (QucsDirStr + "/share/" QUCS_NAME "/lang/");
} else {
QString QucsApplicationPath = QCoreApplication::applicationDirPath();
#ifdef __APPLE__
QucsDir = QDir(QucsApplicationPath.section("/bin",0,0));
#else
QucsDir = QDir(QucsApplicationPath);
QucsDir.cdUp();
#endif
QucsSettings.LangDir = QucsDir.canonicalPath() + "/share/qucs/lang/";
}
loadSettings();
QTranslator tor( 0 );
QString lang = QucsSettings.Language;
if(lang.isEmpty())
lang = QString(QLocale::system().name());
tor.load( QString("qucs_") + lang, QucsSettings.LangDir);
a.installTranslator( &tor );
Qucs_S_SPAR_Viewer *qucs = new Qucs_S_SPAR_Viewer();
//a.setMainWidget(qucs);
qucs->raise();
qucs->move(QucsSettings.x, QucsSettings.y); // position before "show" !!!
qucs->show();
QScreen* primaryScreen = QGuiApplication::screens().first();
qucs->resize(primaryScreen->availableGeometry().size() * 0.9);
qucs->setGeometry(
QStyle::alignedRect(
Qt::LeftToRight,
Qt::AlignCenter,
qucs->size(),
primaryScreen->availableGeometry()
)
);
int result = a.exec();
saveApplSettings(qucs);
return result;
}

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.TH QucsAttenuator "1" "July 2006" "Debian/GNU Linux" "User Commands"
.SH NAME
QucsAttenuator \- An attenuator synthesis application.
.SH SYNOPSIS
.B qucsattenuator
[\fIOPTION\fR] ...
.SH DESCRIPTION
\fBQucs\fR is an integrated circuit simulator which means you will be
able to setup a circuit with a graphical user interface (GUI) and
simulate the large-signal, small-signal and noise behaviour of the
circuit. After that simulation has finished you will be able to
present the simulation results on a presentation page or window.
The software aims to support all kinds of circuit simulation types,
e.g. DC, AC, S-parameter, harmonic balance analysis, noise analysis,
etc.
\fBQucsAttenuator\fR is the attenuator synthesis tool used by Qucs.
By use of an input dialog the user can create an attenuator which is
then copied into the system-wide clipboard. In \fBQucs\fR the user
opens an empty schematic and presses CTRL-V (paste from
clipboard). The attenuator schematic is now inserted and can be
simulated.
Available attenuator topologies types are: Tee, Pi and Bridged-Tee.
.SH AVAILABILITY
The latest version of Qucs can always be obtained from
\fBwww.sourceforge.net\fR or \fBwww.freshmeat.net\fR
.SH "REPORTING BUGS"
Known bugs are documented within the BUGS file. Report bugs to
<qucs-bugs@lists.sourceforge.net>.
.SH COPYRIGHT
Copyright \(co 2006 Michael Margraf <michael.margraf@alumni.tu-berlin.de>
.PP
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.SH AUTHORS
Written by Toyoyuki Ishikawa <toyoishi@gmail.com> and Michael
Margraf <michael.margraf@alumni.tu-berlin.de>.

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#ifndef QUCSSPARVIEWER_H
#define QUCSSPARVIEWER_H
#include <QMainWindow>
#include <QLabel>
#include <QCheckBox>
#include <QDoubleSpinBox>
#include <QTableWidget>
#include <QGridLayout>
#include <QColorDialog>
#include <QScrollArea>
#include <QtCharts>
#include <QtGlobal>
#include <complex>
using namespace QtCharts;
class QComboBox;
class QTableWidget;
class QLineEdit;
class QIntValidator;
class QDoubleValidator;
class QLabel;
class QPushButton;
struct tQucsSettings
{
int x, y; // position of main window
QFont font;
QString LangDir;
QString Language;
};
extern struct tQucsSettings QucsSettings;
class Qucs_S_SPAR_Viewer : public QMainWindow
{
Q_OBJECT
public:
Qucs_S_SPAR_Viewer();
~Qucs_S_SPAR_Viewer();
private slots:
void slotHelpIntro();
void slotHelpAbout();
void slotHelpAboutQt();
void slotQuit();
void addFile();
void addFiles(QStringList);
void removeFile();
void removeFile(int);
void removeAllFiles();
void addTrace();
void addTrace(QString, QString, QColor);
void removeTrace();
void removeTrace(int);
void removeTrace(QList<int>);
void updatePlot();
void updateTracesCombo();
void changeTraceColor();
void changeTraceLineStyle();
void changeTraceWidth();
void changeFreqUnits();
void changeMarkerLimits();
void changeMarkerLimits(QString);
void update_X_axis();
void update_Y_axis();
void addMarker();
void removeMarker();
void removeMarker(int);
void removeAllMarkers();
void updateMarkerTable();
protected:
void dragEnterEvent(QDragEnterEvent *event) override;
void dropEvent(QDropEvent *event) override;
private:
QDockWidget *dockFiles;
QTableWidget * spar_files_Widget;
QPushButton *Button_Add_File, *Delete_All_Files;
// File list
QList<QPushButton*> Button_DeleteFile;
// Filenames and remove buttons
QVBoxLayout *vLayout_Files;
QWidget * FileList_Widget;
QGridLayout * FilesGrid;
QList<QLabel *> List_FileNames;
QList<QToolButton *> List_RemoveButton;
// Trace list
QDockWidget *dockTracesList;
QWidget * TracesList_Widget;
QGridLayout * TracesGrid;
QList<QLabel *> List_TraceNames;
QList<QSpinBox *> List_TraceWidth;
QList<QPushButton *> List_Trace_Color;
QList<QComboBox *> List_Trace_LineStyle;
QList<QComboBox *> List_Trace_Type;
QList<QToolButton*> List_Button_DeleteTrace;
// Axis settings widgets
QDockWidget *dockAxisSettings;
QComboBox *QCombobox_x_axis_units;//, *QCombobox_y_axis_units, *QCombobox_y2_axis_units;
QDoubleSpinBox *QSpinBox_x_axis_min, *QSpinBox_x_axis_max;
QList<double> available_x_axis_div;
QComboBox *QComboBox_x_axis_div;
QDoubleSpinBox *QSpinBox_y_axis_min, *QSpinBox_y_axis_max, *QSpinBox_y_axis_div;
QList<double> available_y_axis_div;
QComboBox *QComboBox_y_axis_div;
QDoubleSpinBox *QSpinBox_y2_axis_min, *QSpinBox_y2_axis_max, *QSpinBox_y2_axis_div;
// Trace management widgets
QComboBox *QCombobox_datasets, *QCombobox_traces;
QPushButton *Button_add_trace;
QTableWidget *Traces_Widget;
// Datasets
QMap<QString, QMap<QString, QList<double>>> datasets;
/*
KEY | DATA
Filename1.s2p | {"freq", "S11_dB", ..., "S22_ang"}
... | ...
Filenamek.s3p | {"freq", "S11_dB", ..., "S33_ang"}
*/
// Trace data
QList<QString> trace_list;
QMap<QString, QList<QString>> trace_properties;
// Chart
QChart *chart;
QDockWidget *dockChart;
QValueAxis *xAxis, *yAxis;
double f_min, f_max, y_min, y_max; // Minimum (maximum) values of the display
QList<QColor> default_colors;
bool removeSeriesByName(QChart*, const QString&);
void updateTraces();
// Markers
QDockWidget *dockMarkers;
QWidget *Marker_Widget;
QGridLayout * MarkersGrid;
QTableWidget *tableMarkers;
QPushButton *Button_add_marker, *Button_Remove_All_Markers;
QList<QLabel *> List_MarkerNames;
QList<QDoubleSpinBox *> List_MarkerFreq;
QList<QComboBox *> List_MarkerScale;
QList<QToolButton*> List_Button_DeleteMarker;
// Utilities
void convert_MA_RI_to_dB(double *, double *, double *, double *, QString);
double getFreqScale();
double getFreqScale(QString);
void getMinMaxValues(QString, QString, qreal&, qreal&, qreal&, qreal&);
void checkFreqSettingsLimits(QString filename, double& fmin, double& fmax);
int findClosestIndex(const QList<double>&, double);
void adjust_x_axis_to_file(QString);
void adjust_y_axis_to_trace(QString, QString);
void adjust_x_axis_div();
QPointF findClosestPoint(QAbstractSeries*, qreal);
double getFreqFromText(QString);
};
#endif

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<RCC>
<qresource prefix="/">
<file>bitmaps/big.qucs.xpm</file>
<file>bitmaps/trash.png</file>
</qresource>
</RCC>

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/****************************************************************************
** Qucs Attenuator Synthesis
** qucsattenuator.cpp
**
**
**
**
**
**
**
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "attenuatorfunc.h"
#include "qucsattenuator.h"
#include <QGridLayout>
#include <QPixmap>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QGroupBox>
#include <QMenu>
#include <QMenuBar>
#include <QMessageBox>
#include <QLabel>
#include <QPushButton>
#include <QLineEdit>
#include <QComboBox>
#include <QValidator>
#include <QClipboard>
#include <QApplication>
#include <QDebug>
QucsAttenuator::QucsAttenuator()
{
QWidget *centralWidget = new QWidget(this);
setCentralWidget(centralWidget);
setWindowIcon(QPixmap(":/bitmaps/big.qucs.xpm"));
setWindowTitle("Qucs Attenuator " PACKAGE_VERSION);
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *fileQuit = new QAction(tr("&Quit"), this);
fileQuit->setShortcut(QKeySequence::Quit);
connect(fileQuit, SIGNAL(triggered(bool)), SLOT(slotQuit()));
fileMenu->addAction(fileQuit);
QMenu *helpMenu = new QMenu(tr("&Help"));
QAction *helpHelp = new QAction(tr("&Help"), this);
helpHelp->setShortcut(Qt::Key_F1);
helpMenu->addAction(helpHelp);
connect(helpHelp, SIGNAL(triggered(bool)), SLOT(slotHelpIntro()));
QAction *helpAbout = new QAction(tr("&About"), this);
helpMenu->addAction(helpAbout);
connect(helpAbout, SIGNAL(triggered(bool)), SLOT(slotHelpAbout()));
helpMenu->addSeparator();
QAction *about = new QAction(tr("About Qt..."), this);
helpMenu->addAction(about);
connect(about, SIGNAL(activated()), SLOT(slotHelpAboutQt()));
menuBar()->addMenu(fileMenu);
menuBar()->addSeparator();
menuBar()->addMenu(helpMenu);
//==========Left
QVBoxLayout *vboxLeft = new QVBoxLayout();
QGroupBox *TopoGroup = new QGroupBox(tr("Topology"));
QGridLayout * topoGrid = new QGridLayout(TopoGroup);
ComboTopology = new QComboBox();//=================Topology Combobox
ComboTopology->insertItem(1, "Pi");
ComboTopology->insertItem(2, "Tee");
ComboTopology->insertItem(3, "Bridged Tee");
ComboTopology->insertItem(4, "Reflection attenuator");
ComboTopology->insertItem(5, "Quarter-wave series");
ComboTopology->insertItem(6, "Quarter-wave shunt");
ComboTopology->insertItem(7, "L-pad 1st series");
ComboTopology->insertItem(8, "L-pad 1st shunt");
ComboTopology->insertItem(9, "Rseries");
ComboTopology->insertItem(10, "Rshunt");
connect(ComboTopology, SIGNAL(activated(int)), SLOT(slotTopologyChanged()));
topoGrid->addWidget(ComboTopology, 1,0,1,2);
pixTopology = new QLabel(TopoGroup);//====================Pixmap for Topology
pixTopology->setPixmap(QPixmap((":/bitmaps/att_pi.png")));
topoGrid->addWidget(pixTopology,2,0,3,2);
topoGrid->setSpacing(5);
TopoGroup->setLayout(topoGrid);
vboxLeft->addWidget(TopoGroup);
//S-parameter box option
SparBoxCheckbox = new QCheckBox("Add S-parameter simulation");
SparBoxCheckbox->setChecked(false);
vboxLeft->addWidget(SparBoxCheckbox);
//==========Right
QVBoxLayout *vboxRight = new QVBoxLayout();
QGroupBox * InputGroup = new QGroupBox (tr("Input"));
QGridLayout * inGrid = new QGridLayout();
inGrid->setSpacing(1);
DoubleVal = new QDoubleValidator(this);
DoubleVal->setLocale(QLocale::C);
DoubleVal->setBottom(0);
DoubleValPower = new QDoubleValidator(this);
DoubleValPower->setBottom(-1e9);//The default power unit is dBm, so Pin < 0 is expected
LabelAtten = new QLabel(tr("Attenuation:"), InputGroup);
inGrid ->addWidget(LabelAtten, 1,0);
QSpinBox_Attvalue = new QDoubleSpinBox();
QSpinBox_Attvalue->setValue(1);
QSpinBox_Attvalue->setMinimum(0.1);
QSpinBox_Attvalue->setMaximum(1e6);
connect(QSpinBox_Attvalue, SIGNAL(valueChanged(double)), this,
SLOT(slotCalculate()) );
inGrid->addWidget(QSpinBox_Attvalue, 1,1);
QLabel *Label1 = new QLabel(tr("dB"), InputGroup);
inGrid->addWidget(Label1, 1,2);
LabelImp1 = new QLabel(tr("Zin:"), InputGroup);
LabelImp1->setWhatsThis("Input impedance");
inGrid->addWidget(LabelImp1, 2,0);
QSpinBox_Zin = new QDoubleSpinBox();
QSpinBox_Zin->setValue(50);
QSpinBox_Zin->setMinimum(0);
QSpinBox_Zin->setMaximum(1e6);
connect(QSpinBox_Zin, SIGNAL(valueChanged(double)), this,
SLOT(slotSetText_Zin(double)) );
inGrid->addWidget(QSpinBox_Zin, 2,1);
QLabel *Label2 = new QLabel(QChar(0xa9, 0x03), InputGroup);
inGrid->addWidget(Label2, 2,2);
LabelImp2 = new QLabel(tr("Zout:"), InputGroup);
LabelImp2->setWhatsThis("Output impedance");
inGrid->addWidget(LabelImp2, 3,0);
QSpinBox_Zout = new QDoubleSpinBox();
QSpinBox_Zout->setValue(50);
QSpinBox_Zout->setMinimum(0);
QSpinBox_Zout->setMaximum(1e6);
connect(QSpinBox_Zout, SIGNAL(valueChanged(double)), this,
SLOT(slotSetText_Zout(double)) );
inGrid->addWidget(QSpinBox_Zout, 3,1);
LabelImp2_Ohm = new QLabel(QChar(0xa9, 0x03), InputGroup);
inGrid->addWidget(LabelImp2_Ohm, 3,2);
Label_Pin = new QLabel(tr("Pin:"), InputGroup);
Label_Pin->setWhatsThis("Input power");
inGrid->addWidget(Label_Pin, 4,0);
QSpinBox_InputPower = new QDoubleSpinBox(0);
QSpinBox_InputPower->setMinimum(-1e3);
QSpinBox_InputPower->setMaximum(1e5);
connect(QSpinBox_InputPower, SIGNAL(valueChanged(double)), this, SLOT(slotCalculate()));
inGrid->addWidget(QSpinBox_InputPower, 4,1);
QStringList powerunits;
powerunits.append("mW");
powerunits.append("W");
powerunits.append("dBm");
powerunits.append(QString("dB%1V [75%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)));
powerunits.append(QString("dB%1V [50%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)));
powerunits.append(QString("dBmV [75%1]").arg(QChar(0xa9, 0x03)));
powerunits.append(QString("dBmV [50%1]").arg(QChar(0xa9, 0x03)));
Combo_InputPowerUnits = new QComboBox();
Combo_InputPowerUnits->addItems(powerunits);
Combo_InputPowerUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
Combo_InputPowerUnits->setCurrentIndex(2);//Input power is mostly given in dBm
connect(Combo_InputPowerUnits, SIGNAL(currentIndexChanged(QString)), this,
SLOT(slot_ComboInputPowerUnits_Changed(const QString&)) );
inGrid->addWidget(Combo_InputPowerUnits, 4,2);
//Central frequency
Label_Freq = new QLabel(tr("Freq:"), InputGroup);
Label_Freq->setWhatsThis("Central frequency");
Label_Freq->hide();
inGrid->addWidget(Label_Freq, 5,0);
QSpinBox_Freq = new QDoubleSpinBox(0);
QSpinBox_Freq->setMinimum(0.1);
QSpinBox_Freq->setMaximum(1e5);
QSpinBox_Freq->setValue(1500);
QSpinBox_Freq->hide();
connect(QSpinBox_Freq, SIGNAL(valueChanged(double)), this, SLOT(slotCalculate()));
inGrid->addWidget(QSpinBox_Freq, 5,1);
QStringList frequnits;
frequnits.append("GHz");
frequnits.append("MHz");
frequnits.append("kHz");
frequnits.append("Hz");
Combo_FreqUnits = new QComboBox();
Combo_FreqUnits->addItems(frequnits);
Combo_FreqUnits->setCurrentIndex(1);//MHz
Combo_FreqUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
Combo_FreqUnits->hide();
inGrid->addWidget(Combo_FreqUnits, 5,2);
// R higher or lower than Z0. Only for reflection and QW series/shunt
R_Check = new QCheckBox("Use R > Z0");
R_Check->hide();
inGrid->addWidget(R_Check, 6,0);
//Option for transforming a quarter wavelength transmission line into its lumped element equivalent
Check_QW_CLC = new QCheckBox("Use lumped components");
Check_QW_CLC->hide();
connect(Check_QW_CLC, SIGNAL(clicked(bool)), this, SLOT(slotTopologyChanged()));
inGrid->addWidget(Check_QW_CLC, 7,0);
InputGroup->setLayout(inGrid);
vboxRight->addWidget(InputGroup);
Calculate = new QPushButton(tr("Put into Clipboard"));
connect(Calculate, SIGNAL(clicked()), SLOT(slotCalculate()));
vboxRight->addWidget(Calculate);
QGroupBox * OutputGroup = new QGroupBox (tr("Output"));
QGridLayout * outGrid = new QGridLayout(OutputGroup);
outGrid->setSpacing(5);
outGrid->setColumnMinimumWidth(3, 20);
//Power dissipation label
PdissLabel = new QLabel("Pdiss", OutputGroup);
PdissLabel->setAlignment(Qt::AlignCenter);
outGrid->addWidget(PdissLabel, 0,5);
//R1 value and labels
LabelR1 = new QLabel(tr("R1:"), OutputGroup);
outGrid->addWidget(LabelR1, 1,0);
lineEdit_R1 = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R1->setReadOnly(true);
outGrid->addWidget(lineEdit_R1, 1,1);
QLabel *Label4 = new QLabel(QChar(0xa9, 0x03), OutputGroup);
outGrid->addWidget(Label4, 1,2);
//R1 power dissipation
lineEdit_R1_Pdiss = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R1_Pdiss->setReadOnly(true);
outGrid->addWidget(lineEdit_R1_Pdiss, 1,5);
ComboR1_PowerUnits = new QComboBox();
ComboR1_PowerUnits->addItems(powerunits);
ComboR1_PowerUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
connect(ComboR1_PowerUnits, SIGNAL(currentIndexChanged(QString)), this,
SLOT(slot_ComboR1PowerUnits_Changed(const QString&)) );
outGrid->addWidget(ComboR1_PowerUnits, 1,6);
//R2 value and labels
LabelR2 = new QLabel(tr("R2:"), OutputGroup);
outGrid->addWidget(LabelR2, 2,0);
lineEdit_R2 = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R2->setReadOnly(true);
outGrid->addWidget(lineEdit_R2, 2,1);
QLabel *Label5 = new QLabel(QChar(0xa9, 0x03), OutputGroup);
outGrid->addWidget(Label5, 2,2);
//R2 power dissipation
lineEdit_R2_Pdiss = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R2_Pdiss->setReadOnly(true);
outGrid->addWidget(lineEdit_R2_Pdiss, 2,5);
ComboR2_PowerUnits = new QComboBox();
ComboR2_PowerUnits->addItems(powerunits);
ComboR2_PowerUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
connect(ComboR2_PowerUnits, SIGNAL(currentIndexChanged(QString)), this,
SLOT(slot_ComboR2PowerUnits_Changed(const QString&)) );
outGrid->addWidget(ComboR2_PowerUnits, 2,6);
//R3 value and labels
LabelR3 = new QLabel(tr("R3:"), OutputGroup);
outGrid->addWidget(LabelR3, 3,0);
lineEdit_R3 = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R3->setReadOnly(true);
outGrid->addWidget(lineEdit_R3, 3,1);
LabelR3_Ohm = new QLabel(QChar(0xa9, 0x03), OutputGroup);
outGrid->addWidget(LabelR3_Ohm, 3,2);
//R3 power dissipation
lineEdit_R3_Pdiss = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R3_Pdiss->setReadOnly(true);
outGrid->addWidget(lineEdit_R3_Pdiss, 3,5);
ComboR3_PowerUnits = new QComboBox();
ComboR3_PowerUnits->addItems(powerunits);
ComboR3_PowerUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
connect(ComboR3_PowerUnits, SIGNAL(currentIndexChanged(QString)), this,
SLOT(slot_ComboR3PowerUnits_Changed(const QString&)) );
outGrid->addWidget(ComboR3_PowerUnits, 3,6);
//R4 value and labels
LabelR4 = new QLabel(tr("R4:"), OutputGroup);
outGrid->addWidget(LabelR4, 4,0);
lineEdit_R4 = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R4->setReadOnly(true);
outGrid->addWidget(lineEdit_R4, 4,1);
LabelR4_Ohm = new QLabel(QChar(0xa9, 0x03), OutputGroup);
outGrid->addWidget(LabelR4_Ohm, 4,2);
//R4 power dissipation
lineEdit_R4_Pdiss = new QLineEdit(tr("--"), OutputGroup);
lineEdit_R4_Pdiss->setReadOnly(true);
outGrid->addWidget(lineEdit_R4_Pdiss, 4,5);
ComboR4_PowerUnits = new QComboBox();
ComboR4_PowerUnits->addItems(powerunits);
ComboR4_PowerUnits->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
connect(ComboR4_PowerUnits, SIGNAL(currentIndexChanged(QString)), this,
SLOT(slot_ComboR4PowerUnits_Changed(const QString&)) );
outGrid->addWidget(ComboR4_PowerUnits, 4,6);
//Hide R4 widgets. R4 is only used in the Bridge Tee attenuator
LabelR4->hide();
lineEdit_R4->hide();
LabelR4_Ohm->hide();
lineEdit_R4_Pdiss->hide();
ComboR4_PowerUnits->hide();
// This variable is necessary to provide the power unit conversion when the corresponding power
// comboboxes are changed
LastUnits.append("dBm");//Input power
LastUnits.append("mW");//Power dissipated by R1
LastUnits.append("mW");//Power dissipated by R2
LastUnits.append("mW");//Power dissipated by R3
LastUnits.append("mW");//Power dissipated by R4
vboxRight->addWidget(OutputGroup);
// put Left and Right together
QHBoxLayout *hbox = new QHBoxLayout();
hbox->addLayout(vboxLeft);
hbox->addLayout(vboxRight);
// append the result label
LabelResult = new QLabel(tr(""));//It is not needed to provide a "Success" message.
//The synthesis will fail only for certain attenuation-Z0 ratios
//in Pi or Tee type attenuators
LabelResult->setAlignment(Qt::AlignHCenter);
LabelResult->setStyleSheet("QLabel {color : red; }");
QVBoxLayout *vbox = new QVBoxLayout();
vbox->addLayout(hbox);
vbox->addWidget(LabelResult);
centralWidget->setLayout(vbox);
slotCalculate();
}
QucsAttenuator::~QucsAttenuator()
{
delete DoubleVal;
}
void QucsAttenuator::slotHelpIntro()
{
QMessageBox::about(this, tr("Qucs Attenuator Help"),
tr("QucsAttenuator is an attenuator synthesis program. "
"To create a attenuator, simply enter all "
"the input parameters and press the calculation button. "
"Immediately, the "
"schematic of the attenuator is calculated and "
"put into the clipboard. Now go to Qucs, "
"open an schematic and press "
"CTRL-V (paste from clipboard). The attenuator "
"schematic can now be inserted. "
"Have lots of fun!"));
}
void QucsAttenuator::slotHelpAboutQt()
{
QMessageBox::aboutQt(this, tr("About Qt"));
}
void QucsAttenuator::slotHelpAbout()
{
QMessageBox::about(this, tr("About..."),
"QucsAttenuator Version " PACKAGE_VERSION+
tr("\nAttenuator synthesis program\n")+
tr("Copyright (C) 2006 by")+" Toyoyuki Ishikawa"
"\n"+
tr("Copyright (C) 2006 by")+" Stefan Jahn"
"\n"+
tr("Copyright (C) 2024 by")+" Andrés Martínez Mera"
"\n"
"\nThis is free software; see the source for copying conditions."
"\nThere is NO warranty; not even for MERCHANTABILITY or "
"\nFITNESS FOR A PARTICULAR PURPOSE.\n\n");
}
void QucsAttenuator::slotQuit()
{
int tmp;
tmp = x();
tmp = y();
tmp = width();
tmp = height();
Q_UNUSED(tmp);
qApp->quit();
}
void QucsAttenuator::slotSetText_Zin( double val )
{
if((ComboTopology->currentIndex() == BRIDGE_TYPE) || (ComboTopology->currentIndex() == REFLECTION_TYPE)) {
QSpinBox_Zout->blockSignals(true);
QSpinBox_Zout->setValue(val);
QSpinBox_Zout->blockSignals(false);
}
slotCalculate();
}
void QucsAttenuator::slotSetText_Zout( double val)
{
if(ComboTopology->currentIndex() == BRIDGE_TYPE) {
QSpinBox_Zin->blockSignals(true);
QSpinBox_Zin->setValue(val);
QSpinBox_Zin->blockSignals(false);
}
slotCalculate();
}
void QucsAttenuator::slotTopologyChanged()
{
switch(ComboTopology->currentIndex())
{
case PI_TYPE:
pixTopology->setPixmap(QPixmap((":/bitmaps/att_pi.png")));
LabelImp1->setText("Zin:");
LabelImp2->show();
QSpinBox_Zout->show();
LabelImp2_Ohm->show();
LabelR2->setText("R2:");
LabelR3->show();
LabelR3->setText("R3:");
LabelR4->hide();
lineEdit_R3->show();
lineEdit_R4->hide();
LabelR4_Ohm->hide();
LabelR3_Ohm->show();
lineEdit_R3_Pdiss->show();
ComboR3_PowerUnits->show();
lineEdit_R4_Pdiss->hide();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case TEE_TYPE:
pixTopology->setPixmap(QPixmap((":/bitmaps/att_tee.png")));
LabelImp1->setText("Zin:");
LabelImp2->show();
QSpinBox_Zout->show();
LabelImp2_Ohm->show();
LabelR2->setText("R2:");
LabelR3->show();
LabelR3->setText("R3:");
LabelR4->hide();
lineEdit_R3->show();
lineEdit_R4->hide();
LabelR4_Ohm->hide();
LabelR3_Ohm->show();
lineEdit_R3_Pdiss->show();
ComboR3_PowerUnits->show();
lineEdit_R4_Pdiss->hide();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case BRIDGE_TYPE:
pixTopology->setPixmap(QPixmap((":/bitmaps/att_bridge.png")));
LabelImp1->setText("Z0:");
LabelImp2->hide();
QSpinBox_Zout->hide();
LabelImp2_Ohm->hide();
LabelR2->setText("R4:");
LabelR3->show();
LabelR4->show();
LabelR3->setText("Z01:");
LabelR4->setText("Z02:");
lineEdit_R3->show();
lineEdit_R4->show();
LabelR3_Ohm->show();
LabelR4_Ohm->show();
lineEdit_R3_Pdiss->show();
lineEdit_R4_Pdiss->show();
ComboR3_PowerUnits->show();
ComboR4_PowerUnits->show();
QSpinBox_Zout->setValue(QSpinBox_Zin->value());
R_Check->hide();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case REFLECTION_TYPE:
pixTopology->setPixmap(QPixmap((":/bitmaps/att_reflection.png")));
LabelImp1->setText("Z0:");
LabelImp2->hide();
QSpinBox_Zout->hide();
LabelImp2_Ohm->hide();
LabelR2->setText("R2:");
LabelR3->hide();
LabelR4->hide();
lineEdit_R3->hide();
lineEdit_R4->hide();
LabelR3_Ohm->hide();
LabelR4_Ohm->hide();
lineEdit_R3_Pdiss->hide();
lineEdit_R4_Pdiss->hide();
ComboR3_PowerUnits->hide();
ComboR4_PowerUnits->hide();
QSpinBox_Zout->setValue(QSpinBox_Zin->value());
R_Check->show();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case QW_SERIES_TYPE:
if (Check_QW_CLC->isChecked()) pixTopology->setPixmap(QPixmap((":/bitmaps/qw_series_CLC.png")));
else pixTopology->setPixmap(QPixmap((":/bitmaps/qw_series.png")));
LabelImp1->setText("Z0:");
LabelImp2->hide();
QSpinBox_Zout->hide();
LabelImp2_Ohm->hide();
LabelR2->setText("R2:");
LabelR3->show();
LabelR3->setText("R3:");
LabelR4->show();
LabelR4->setText("Zout");
lineEdit_R3->show();
lineEdit_R4->show();
LabelR3_Ohm->show();
LabelR4_Ohm->show();
lineEdit_R3_Pdiss->show();
lineEdit_R4_Pdiss->hide();
ComboR3_PowerUnits->show();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->show();
Label_Freq->show();
QSpinBox_Freq->show();
Combo_FreqUnits->show();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case QW_SHUNT_TYPE:
if (Check_QW_CLC->isChecked()) pixTopology->setPixmap(QPixmap((":/bitmaps/qw_shunt_CLC.png")));
else pixTopology->setPixmap(QPixmap((":/bitmaps/qw_shunt.png")));
LabelImp1->setText("Z0:");
LabelImp2->hide();
QSpinBox_Zout->hide();
LabelImp2_Ohm->hide();
LabelR2->setText("R2:");
LabelR3->show();
LabelR3->setText("R3:");
LabelR4->show();
LabelR4->setText("Zout");
lineEdit_R3->show();
lineEdit_R4->show();
LabelR4_Ohm->show();
LabelR3_Ohm->show();
lineEdit_R3_Pdiss->show();
lineEdit_R4_Pdiss->hide();
ComboR3_PowerUnits->show();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->show();
Label_Freq->show();
QSpinBox_Freq->show();
Combo_FreqUnits->show();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case L_PAD_1ST_SERIES:
case L_PAD_1ST_SHUNT:
(ComboTopology->currentIndex() == L_PAD_1ST_SERIES) ? pixTopology->setPixmap(QPixmap((":/bitmaps/L_pad_1st_series.png")))
: pixTopology->setPixmap(QPixmap((":/bitmaps/L_pad_1st_shunt.png")));
LabelImp1->setText("Z0:");
LabelImp2->hide();
QSpinBox_Zout->hide();
LabelImp2_Ohm->hide();
LabelR2->setText("R2:");
LabelR3->show();
LabelR3->setText("Zout:");
LabelR4->hide();
lineEdit_R3->show();
lineEdit_R4->hide();
LabelR4_Ohm->hide();
LabelR3_Ohm->show();
lineEdit_R3_Pdiss->hide();
ComboR3_PowerUnits->hide();
lineEdit_R4_Pdiss->hide();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
lineEdit_R2_Pdiss->show();
ComboR2_PowerUnits->show();
break;
case R_SERIES:
case R_SHUNT:
(ComboTopology->currentIndex() == R_SERIES) ? pixTopology->setPixmap(QPixmap((":/bitmaps/Rseries.png")))
: pixTopology->setPixmap(QPixmap((":/bitmaps/Rshunt.png")));
LabelImp1->setText("Zin:");
LabelImp2->show();
QSpinBox_Zout->show();
LabelImp2_Ohm->show();
LabelR2->setText("Z1:");
LabelR3->show();
LabelR3->setText("Z2:");
LabelR4->hide();
lineEdit_R3->show();
lineEdit_R4->hide();
LabelR4_Ohm->hide();
LabelR3_Ohm->show();
lineEdit_R2_Pdiss->hide();
ComboR2_PowerUnits->hide();
lineEdit_R3_Pdiss->hide();
ComboR3_PowerUnits->hide();
lineEdit_R4_Pdiss->hide();
ComboR4_PowerUnits->hide();
R_Check->hide();
Check_QW_CLC->hide();
Label_Freq->hide();
QSpinBox_Freq->hide();
Combo_FreqUnits->hide();
break;
}
adjustSize();
slotCalculate();
}
void QucsAttenuator::slotCalculate()
{
QUCS_Att qatt;
int result;
QString * s = NULL;
struct tagATT Values;
Values.Topology = ComboTopology->currentIndex();
Values.Attenuation = QSpinBox_Attvalue->value();
Values.Zin = QSpinBox_Zin->value();
Values.Zout = QSpinBox_Zout->value();
Values.minR = R_Check->isChecked();
Values.freq = QSpinBox_Freq->value();
Values.useLumped = Check_QW_CLC->isChecked();
//Frequency scale
if (Combo_FreqUnits->currentText() == "GHz") Values.freq*=1e9;
else if (Combo_FreqUnits->currentText() == "MHz") Values.freq*=1e6;
else if (Combo_FreqUnits->currentText() == "kHz") Values.freq*=1e3;
//Calculate the input power
Values.Pin = ConvertPowerUnits(QSpinBox_InputPower->value(), Combo_InputPowerUnits->currentText(), "W");
result = qatt.Calc(&Values);
if(result != -1)
{
LabelResult->setText(tr(""));
lineEdit_R1->setText(QString::number(Values.R1, 'f', 1));
lineEdit_R2->setText(QString::number(Values.R2, 'f', 1));
lineEdit_R3->setText(QString::number(Values.R3, 'f', 1));
lineEdit_R4->setText(QString::number(Values.R4, 'f', 1));
lineEdit_R1_Pdiss->setText(QString::number(ConvertPowerUnits(Values.PR1, QString("W"), ComboR1_PowerUnits->currentText()), 'f', 5));
lineEdit_R2_Pdiss->setText(QString::number(ConvertPowerUnits(Values.PR2, "W", ComboR2_PowerUnits->currentText()), 'f', 5));
lineEdit_R3_Pdiss->setText(QString::number(ConvertPowerUnits(Values.PR3, "W", ComboR3_PowerUnits->currentText()), 'f', 5));
lineEdit_R4_Pdiss->setText(QString::number(ConvertPowerUnits(Values.PR4, "W", ComboR4_PowerUnits->currentText()), 'f', 5));
s = qatt.createSchematic(&Values, this->SparBoxCheckbox->isChecked());
if(!s) return;
QClipboard *cb = QApplication::clipboard();
cb->setText(*s);
delete s;
}
else
{
LabelResult->setText(tr("Error: Set Attenuation less than %1 dB").arg(QString::number(Values.MinimumATT, 'f', 3)));
lineEdit_R1->setText("--");
lineEdit_R2->setText("--");
lineEdit_R3->setText("--");
lineEdit_R1_Pdiss->setText("--");
lineEdit_R2_Pdiss->setText("--");
lineEdit_R3_Pdiss->setText("--");
}
adjustSize();
}
//This function is caled when the units of the input power are changed
void QucsAttenuator::slot_ComboInputPowerUnits_Changed(const QString& new_units)
{
//Convert power
double P = QSpinBox_InputPower->value();
P =ConvertPowerUnits(P, LastUnits[0], new_units);
QSpinBox_InputPower->setValue(P);
LastUnits[0] = new_units;
//Change lineedit input policy
if ((new_units == "W") || (new_units == "mW"))
QSpinBox_InputPower->setMinimum(0);
else//dB units
QSpinBox_InputPower->setMinimum(-1e3);
}
//This function is called when the units of the power dissipated by R1 are changed
void QucsAttenuator::slot_ComboR1PowerUnits_Changed(const QString& new_units)
{
//Convert power
double P = lineEdit_R1_Pdiss->text().toDouble();
P =ConvertPowerUnits(P, LastUnits[1], new_units);
lineEdit_R1_Pdiss->setText(QString("%1").arg(P));
LastUnits[1] = new_units;
//Change lineedit input policy
if ((new_units == "W") || (new_units == "mW"))
DoubleValPower->setBottom(0);
else//dB units
DoubleValPower->setBottom(-1e9);
lineEdit_R1_Pdiss->setValidator(DoubleValPower);
}
//This function is caled when the units of the power dissipated by R2 are changed
void QucsAttenuator::slot_ComboR2PowerUnits_Changed(const QString& new_units)
{
//Convert power
double P = lineEdit_R2_Pdiss->text().toDouble();
P =ConvertPowerUnits(P, LastUnits[2], new_units);
lineEdit_R2_Pdiss->setText(QString("%1").arg(P));
LastUnits[2] = new_units;
//Change lineedit input policy
if ((new_units == "W") || (new_units == "mW"))
DoubleValPower->setBottom(0);
else//dB units
DoubleValPower->setBottom(-1e9);
lineEdit_R2_Pdiss->setValidator(DoubleValPower);
}
//This function is caled when the units of the power dissipated by R3 are changed
void QucsAttenuator::slot_ComboR3PowerUnits_Changed(const QString& new_units)
{
//Convert power
double P = lineEdit_R3_Pdiss->text().toDouble();
P =ConvertPowerUnits(P, LastUnits[3], new_units);
lineEdit_R3_Pdiss->setText(QString("%1").arg(P));
LastUnits[3] = new_units;
//Change lineedit input policy
if ((new_units == "W") || (new_units == "mW"))
DoubleValPower->setBottom(0);
else//dB units
DoubleValPower->setBottom(-1e9);
lineEdit_R3_Pdiss->setValidator(DoubleValPower);
}
//This function is caled when the units of the power dissipated by R4 are changed
void QucsAttenuator::slot_ComboR4PowerUnits_Changed(const QString& new_units)
{
//Convert power
double P = lineEdit_R4_Pdiss->text().toDouble();
P =ConvertPowerUnits(P, LastUnits[4], new_units);
lineEdit_R4_Pdiss->setText(QString("%1").arg(P));
LastUnits[4] = new_units;
//Change lineedit input policy
if ((new_units == "W") || (new_units == "mW"))
DoubleValPower->setBottom(0);
else//dB units
DoubleValPower->setBottom(-1e9);
lineEdit_R4_Pdiss->setValidator(DoubleValPower);
}
// This function performs the power units conversion. It receives two arguments: the original units and the
// new units.
double QucsAttenuator::ConvertPowerUnits(double Pin, QString from_units, QString to_units)
{
//Convert "from_units" to Watts
if (from_units == "W")
;//Do nothing, this step is not needed
else
if (from_units == "dBm")
Pin = pow(10, 0.1*(Pin-30));//dBm -> W
else
if (from_units == QString("dB%1V [75%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)))
Pin = pow(10, (0.1*Pin-12))/75;//dBuV [75Ohm] -> W
else
if (from_units == QString("dB%1V [50%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)))
Pin = pow(10, (0.1*Pin-12))/50;//dBuV [50Ohm] -> W
else
if (from_units == QString("dBmV [75%2]").arg(QChar(0xa9, 0x03)))
Pin = pow(10, (0.1*Pin-6))/75;//dBmV [75Ohm] -> W
else
if (from_units == QString("dBmV [50%2]").arg(QChar(0xa9, 0x03)))
Pin = pow(10, (0.1*Pin-6))/50;//dBmV [50Ohm] -> W
else
if (from_units == "mW")
Pin = Pin*1e-3;//mW -> W
//Convert Watts to "to_units"
if (to_units == "W") return Pin;//Already done
if (to_units == "mW")
return Pin*1e3;//W -> mW
//Convert to dBm. The other units are easily converted from dBm
Pin = 10*log10(Pin)+30;//W->dBm
if (to_units == "dBm")
return Pin;//Already done
else
if (to_units == QString("dB%1V [75%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)))
Pin += 108.7506126339170004686755011380612925566374910126647878220;//W -> dBuV [75Ohm]
else
if (to_units == QString("dB%1V [50%2]").arg(QChar(0xbc, 0x03)).arg(QChar(0xa9, 0x03)))
Pin += 106.9897000433601880478626110527550697323181011853789145868;//W -> dBuV [50Ohm]
else
if (to_units == QString("dBmV [75%2]").arg(QChar(0xa9, 0x03)))
Pin += 48.7506126339170004686755011380612925566374910126647878220;//W -> dBmV [75Ohm]
else
if (to_units == QString("dBmV [50%2]").arg(QChar(0xa9, 0x03)))
Pin += 46.9897000433601880478626110527550697323181011853789145868;//W -> dBmV [50Ohm]
return Pin;
}

3
qucs/qucs.h
View File

@ -355,7 +355,7 @@ public:
*distrHor, *distrVert, *selectAll, *callMatch, *changeProps,
*addToProj, *editFind, *insEntity, *selectMarker,
*createLib, *callConverter, *graph2csv,
*callAtt, *centerHor, *centerVert, *loadModule, *buildModule, *callPwrComb, *callRFLayout;
*callAtt, *centerHor, *centerVert, *loadModule, *buildModule, *callPwrComb, *callRFLayout, *callSPAR_Viewer;
QAction *helpQucsIndex;
QAction *simSettings;
@ -406,6 +406,7 @@ public slots:
void slotCallMatch();
void slotCallAtt();
void slotCallPwrComb();
void slotCallSPAR_Viewer();
void slotCallRFLayout();
void slotHelpIndex(); // shows a HTML docu: Help Index
void slotHelpQucsIndex();

6
qucs/qucs_actions.cpp
View File

@ -867,6 +867,12 @@ void QucsApp::slotCallPwrComb()
launchTool(QUCS_NAME "powercombining", "power combining calculation",QStringList());
}
void QucsApp::slotCallSPAR_Viewer()
{
launchTool(QUCS_NAME "spar-viewer", "s-parameter viewer",QStringList());
}
/*!
* \brief launch an external application passing arguments
*

6
qucs/qucs_init.cpp
View File

@ -530,6 +530,11 @@ void QucsApp::initActions()
callPwrComb->setWhatsThis(tr("Power combining\n\nStarts power combining calculation program"));
connect(callPwrComb, SIGNAL(triggered()), SLOT(slotCallPwrComb()));
callSPAR_Viewer = new QAction(tr("S-parameter Viewer"), this);
callSPAR_Viewer->setStatusTip(tr("Starts S-parameter viewer"));
callSPAR_Viewer->setWhatsThis(tr("S-parameter Viewer\n\nStarts S-parameter viewer"));
connect(callSPAR_Viewer, SIGNAL(triggered()), SLOT(slotCallSPAR_Viewer()));
callConverter = new QAction(tr("Data files converter"), this);
callConverter->setShortcut(tr("Ctrl+8"));
callConverter->setStatusTip(tr("Convert data file"));
@ -766,6 +771,7 @@ void QucsApp::initMenuBar()
toolMenu->addAction(callPwrComb);
toolMenu->addAction(callConverter);
toolMenu->addAction(callRFLayout);
toolMenu->addAction(callSPAR_Viewer);
toolMenu->addSeparator();
cmMenu = new QMenu(tr("Compact modelling"));