Electrical Circuit Simulators

[KevinAnthony]

Are there any programs out there(preferably for Linux) which simulate
the operations of a circuit?

Thanks
Kevin Anthony

[Stephen Kozacik]

PSpice I'm not sure about the linux compatibility though.  There's a free student version available last I checked. 

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[c f]

Digital or analog?

[Ryan Micallef]

Don't know how heavy-duty you're thinking, but I've been using this
for simple stuff:

http://www.falstad.com/circuit/

Nick posted it here a while back and it's been helpful since.

[Robert Ely]

I know this is not what you want, but i had no problem running TINA in
linux with Wine


http://focus.ti.com/docs/toolsw/folders/print/tina-ti.html

Give it a shot it worked well for me.

[Jonathan Kaczynski]

Take a look at oregano and ngspice.

[Spencer Russell]

LTspice is a windows app, but the developer has made an effort to make
it work well under WINE. It's free-as-in-beer but not Free Software.

It's what I use for all my simulation needs.

I wrote up a tutorial a couple years ago that still gets the
occasional visitor, maybe it'll be helpful?

http://ltspicelabs.blogspot.com/

If you start at the bottom there's some semblance of sequence.

-s-

[Foxx D'Gamma]

I use this Java Circuit Simulator as a teaching aid when I am doing
tutorials and classes:

http://www.falstad.com/circuit/index.html

Its not super-hardcore when it comes to the circuit simulation, and I
am not a massive fan of Java because of its resource intensity, but
for all sake of breaking down basic circuits this works wonders. One
thing that I like about it is that it will show the flow of electrons.
This makes it extremely useful for logic and RF circuits. It also
comes in with a LOT of example circuits, and has a nice list of
components. You can put an O-Scope or Multimeter readout on any point
of the circuit so you can examine specific points, junctions, breaks,
inputs, outputs, clocks, etc. Also being java based its cross
platform, which is always nice. There have been more than a few times
at craft night I have broken out this simulator to help people better
understand a circuit. Ive been able to give to give a 1 hour crash
course on most of the basics fundamentals of electronics, counters,
and logic. Hell, I have been able to get 10 year olds to understand
and build their own combinational logic counters with this!

Hope this does the trick,
Foxx

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