Subcicuits and spice circuits implementation.You can compare ngspice and qucs simulation results.You can select and place traces on diagram. Then place diagram and select _ngspice dataset. Spice simulation output is located at $HOME\spice4qucs\ Now spice netlist is at $HOME\spice4qucs\spice4qucs.cir. Perform following actions to perform ngspice simulation: Only AC and Transient simulation are supported. Now you can simulate RCL-circuits from Qucs with ngspice. Now all code responsible for spice netlist creation and ngspice execution is located inside dialogs/ngspicesimdialog.cpp and dialogs/ngspicesimdialog.h See branch spice4qucs at my fork of qucs. The first version of ngspice dataset to qucs dataset conversion is ready for action. Now switch to system terminal and execute ngspice: Spice netlist is located at $HOME/.qucs/spice4qucs.cir. To test spice4qucs open this schematic with Qucs, then execute Simulation->Simulate with spice. Linear dependent current and voltage sources (VCVS,VCCS,CCCS,CCVS).Not all components conversion is implemented. Now implemented only conversion of the Qucs circuit to Spice netlist. ![]() With spice4qucs you can use good old spice to simulate Qucs circuits with it. ![]() Spice simulation results will be converted to Qucs simulation data and diagrams will be available from the display page. Spice simulation will be available after execution of this menu. I am planning to add menu entry Simulation->Simulate with spice. You can simulate your Qucs circuits with ngspice using this extension. This extension allows you to switch between qucsator simulation kernel and ngspice simulation kernel. I started implementation of spice4qucs extension. There may be way to overcome #34 and #41.
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