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Subject:	Re: [geda-help] Wave form viewer gEDA
From:	"Svenn Are Bjerkem (svenn DOT bjerkem AT googlemail DOT com) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
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On 23 January 2016 at 11:54, sooraj kenoth (soorajkenoth AT gmail DOT com)
[via geda-help AT delorie DOT com] <geda-help AT delorie DOT com> wrote:
> Hi all,
>
> I am really new to this software. I am looking for waveform view and
> found GTKWave. It requires VCD file. How can I create VCD file using
> gEDA?

gEDA is a collection of tools, not a tool by itself.

gtkwave is mainly a digital waveform viewer. Programs like icarus
verilog and ghdl can produce vcd, but these are digital simulators,
and probably not what you want.

>
> I just want to know how to simulate a simple electronic circuit, say
> PWM using OPAMP, and view the wave form.

opamp is an analog cirucit which can be simulated in programs like
gnucap and ngspice

waveforms from these programs can be viewed by programs like gwave or
gaw (http://www.rvq.fr/linux/gaw.php) among others

or you could look at programs like qucs or qucsstudio (windows only)
if you want more integrated gui.

-- 
Svenn

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