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Qucs
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'''Qucs''', the '''Quite Universal Circuit Simulator''', is a [[w:Free Software|Free Software]] integrated schematic capture and simulation tool for digital and analog signals. It supports DC, transient, AC and digital simulations as well as parameter sweeping. It does not currently support Monte Carlo simulations, although with some crude Bash and [[QtOctaveClass_software#QtOctave_-_GUI_for_Octave]] work, this can be overcome. If you don't mind using extra tools for Monte Carlo simulation and are willing to fudge the exact model of op-amps used in [[Lab-in-a-Box]] projects, Qucs and be used to complete assignments in [[ECE 2074 Electric Circuit Analysis Laboratory]].
=Screen Shot=
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If all goes well, it should generate a <code>monte_carlo.m</code> file. Open this up with [[QtOctaveClass_software#QtOctave_-_GUI_for_Octave]] and plot a histogram. The Plot->2D...->Histogram menu selection is a good start, although it seems a little buggy and you many want to start with the command it gives you and tweak the Octave plot command until you have proper labels and so on.
If you want to stitch the voltage and current plots together into one image, you can use ImageMagick for that:
=See Also=
* [[QtOctaveClass_software#QtOctave_-_GUI_for_Octave]]
* [[ECE 2004 Electric Circuit Analysis]]
* [[ECE 2074 Electric Circuit Analysis Laboratory]]
