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https://github.com/ra3xdh/qucs_s
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104 lines
3.6 KiB
Markdown
104 lines
3.6 KiB
Markdown
# Qucs-S: Quite universal circuit simulator with SPICE
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[](https://boosty.to/qucs_s)
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[](https://t.me/qucs_s)
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[](https://ra3xdh.github.io/)
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[](https://repology.org/project/qucs-s/versions)
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## About Qucs-S
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Qucs-S provides a fancy graphical user interface for a number of popular circuit simulation
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engines. Qucs-S contains instruments for schematic capture, visualization and provides differents
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passive and active components including device library. The following simulation kernels are supported:
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* Ngspice (recommended)
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* Xyce
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* SpiceOpus
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* Qucsator (non-spice)
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See the https://ra3xdh.github.io/ for more details. Qucs-S is based
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on original Qucs code: https://github.com/Qucs/qucs
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## Donation
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Qucs-S accepts donation using Boosty platform: https://boosty.to/qucs_s
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## Build instructions
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Use CMake to build Qucs-S. Install all necessary dependencies: GCC, Qt, Flex, Bison and SPICE
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(optional). Install `ngspice` that is not needed for build, but serves as the simulation kernel.
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### Dependencies
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Qucs-S requires Qt6 libraries including QtCharts, CMake, flex, bison, gperf, and dos2unix as compile time
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dependencies. Install these packages using the package manager of your distribution before compiling Qucs-S.
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Ngspice is not required at compile time, but it is required as runtime dependency to run the simulation.
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Here are some examples for the popular Linux distributions.
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#### Ubuntu or Debian
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~~~
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sudo apt-get install ngspice build-essential git cmake flex bison gperf dos2unix
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sudo apt-get install qt6-base-dev qt6-tools-dev qt6-tools-dev-tools libglx-dev linguist-qt6
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sudo apt-get install qt6-l10n-tools libqt6svg6-dev libgl1-mesa-dev qt6-charts-dev libqt6opengl6-dev
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~~~
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#### Fedora
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~~~
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sudo dnf install gcc-c++ cmake git flex bison gperf dos2unix ngspice
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sudo dnf install qt6-qtbase-devel cmake qt6-qtsvg-devel qt6-qttools-devel qt6-qtcharts-devel
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~~~
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### Compiling
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After installing the dependecies, clone this git repository and execute in the top directory:
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~~~
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git submodule init
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git submodule update
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mkdir builddir
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cd builddir
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cmake .. -DCMAKE_INSTALL_PREFIX=/your_install_prefix/
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make
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make install
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~~~
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Since the v25.1.0 the Qucs-S will be configured with Qt6 by default. Substutute the `/your_install_prefix/`
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as desired installation directory. Substitute any desire path (for example `$HOME/qucs-s`) here.
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You may omit this option and installation steps. Default installation directory will be `/usr/local` if
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`CMAKE_INSTALL_PREFIX` is not defined.
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### Qt5/Qt6 support
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Qt5 support has been dropped since v25.1.0. Only Qt6 libraries are supported. Set the `WITH_QT6=ON`
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cmake flag if compiling the Qucs-S versions before v25.1.0
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### Running
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Then run `qucs-s` executable to launch the application:
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~~~
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cd /your_installation prefix/bin
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./qucs-s
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~~~
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### clangd LSP support
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Clangd looks for `compile_commands.json` file in parent folders of the file it processes.
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`compile_commands.json` should be generated along with other build configuration files
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when you run `cmake` as part of building routine:
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```
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mkdir builddir
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cd builddir
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cmake .. -DCMAKE_INSTALL_PREFIX=/your_install_prefix/
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```
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If `compile_commands.json` is already there, create a symbolic link to it from project root dir:
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```
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cd project_root
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ln -s ./builddir/compile_commands.json compile_commands.json
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```
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It may take some time to index files at first run. Clangd configuration is in `.clangd` file.
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