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Date: Sun, 18 Jan 2015 01:05:48 -0500
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Subject: Re: [geda-user] Bunch Simulation ngspice
From: Evan Foss <evanfoss AT gmail DOT com>
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I typically do this via Makefiles. I have the different parameters for
the simulations in the schematics that way they are printed along with
everything else when I do post script export of the schematics. I have
the different things that need to be connected in the circuits split
off again in different schematic pages. The Makefile just runs the
simulations mixing and matching schematic pages.

Not to kick off the holy war but this is exactly what we have make for.

Evan

On Fri, Jan 16, 2015 at 8:01 AM, michalwd1979 <michalwd1979 AT o2 DOT pl> wrote:
> Hello Hagen,
>
> I've done something like this using Python. I've used the output file to
> load data and plot them with Matplotliob and I've manually (from python)
> modified the simulation file.
> The problem is that You have to prepare the CIR file right, for example use
> .control, .endc block and include write command there. It is quite possible
> that I will find some examples of my old simulations if You are interested.
>
> Now look at the ngspice.py module, "runng" and "fromng" should be most
> important functions. There is also a "topwl" function that can create a PWL
> source subcircuit from given waveform data - nice to include real world
> signals gathered on scope to simulation.
>
> Best Regards,
> Michael W.
>
>
> Dnia 16 stycznia 2015 12:16 Hagen SANKOWSKI <hsank AT nospam DOT chipforge DOT org>
> napisał(a):
>
>
>
> Hello geda-users!
>
> I like to run a bunch of simulations with ngspice, in the way of
> - run a netlist
> - change not only one parameter (sweep I know) but also replace
> circuits/models
> - run the modified netlist again
> - compare the results 'auto-magic'
> all controled by a script.
>
> The Tcl Interface (in contrast to the geda scheme stuff) I already noticed.
> I wonder if someone has an idea/script/example/hint how to do this
> efficently?
>
> Regards,
> Hagen.
>
>
>



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