Electronics > Beginners
Good open source circuit simulation software?
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janoc:

--- Quote from: Yansi on May 14, 2018, 05:50:45 pm ---
--- Quote from: hagster on May 13, 2018, 08:13:48 am ---I like QUCS, but I haven't really done anything too challenging with it.

http://qucs.sourceforge.net

--- End quote ---

I would recommend QUCS STUDIO instead. As compared to the "plain QUCS" it happens to work, more acceptably.

--- End quote ---

Well, given that I am a Linux user and Qucs Studio has this on the webpage:
"Currently QucsStudio supports Windows® only.", it is not likely I am going to be able to use it.

Moreover, that seems to be a one man incompatible fork of Qucs, so support for models and such is likely going to suck even more.
exe:
None that I'm aware of. I tried all of them a few years ago, found nothing useful. Qucs, for example, had problems simulating step response (there was a fork to fix that).
Bassman59:

--- Quote from: janoc on May 14, 2018, 09:45:25 am ---Can you use LTSpice models in ngspice?

--- End quote ---

The models of the Linear Tech switch-mode power supply devices and such work only in LTSpice. (They are in a custom binary format.)
Canis Dirus Leidy:

--- Quote from: bson on May 14, 2018, 03:29:07 am ---ngspice however is a very capable simulator (it puts LTspice to shame), so wrapped in a good UI (and the KiCAD schematic capture is miles ahead of LTspice) I see no reason why it wouldn't be quite usable and a good alternative to LTspice.

--- End quote ---
Alternatively you can use gschem with spice backend for netlist generation, but this is Linux-only solution.
newbrain:

--- Quote from: Canis Dirus Leidy on May 17, 2018, 03:31:42 pm ---
--- Quote from: bson on May 14, 2018, 03:29:07 am ---ngspice however is a very capable simulator (it puts LTspice to shame), so wrapped in a good UI (and the KiCAD schematic capture is miles ahead of LTspice) I see no reason why it wouldn't be quite usable and a good alternative to LTspice.

--- End quote ---
Alternatively you can use gschem with spice backend for netlist generation, but this is Linux-only solution.

--- End quote ---
Just for kicks, I tried gschem on the WSL (Windows Subsystem for Linux) in Windows 10. Using Xming as X11 server, it seems to work.
In general I had very few problems with normal userspace programs (mostly compilers/make and the like, though).
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