It depends on how committed you are to open source. The more or less
industry standard, unless you're doing really serious big circuits, is
LTSpice. It's free-as-in-beer, not open-source, and to add insult to
injury it's a Windows program.
But -- they've taken pains to keep it Wine compatible, and the only
blatently commercial aspect of it is that the only parts that come
pre-defined are Linear Technology ones (although Linear's been bought
by Analog, so things may change).
https://www.analog.com/en/search.html?q=LTSpice
There are open-source simulation tools out there, but they've been
overshadowed by LTSpice, and frankly, I haven't used them.
When you start actually laying out boards, KiCad is pure open-source
way to go.
Quoting Roderick Anderson <[email protected]>:
I'm looking into circuit design and simulation ... for the
sub-novice and lazy person.
I've had one electronic technician class circa 1978, one circuits
class circa 1982 and almost no experience in the field.
Now I'm interested in playing around with some circuits I've run
across for amateur (HAM) radio fun. Building is fine but
understanding how they work and what might happen if they are
enhanced/modified is my goal.
I've seen several posts on this list from people that probably know
which end of the iron is hot. So I'm hoping for some suggestions on
software for the causal user.
Before I put in a pile of time installing and trying each I'm
asking for experiences here.
What I'm looking/hoping for is a GUI based; drop parts in connect
them then run a simulator to see what is happening. I have ng-Spice
installed but I still need to chose a GUI front end.
For those that might still be interested I have two circuits for
doing MCW (Modulated CW). One is so old the text on the sheet and
components in the circuit is done with a typewriter. :-) The other
uses a 555 timer and actually has photos of the build process.
Despite my interest in how they work we will probably still build
them as projects so Technicians and above can use their HT radios to
practice Code locally.
And that went places most probably aren't interested in but makes me
feel better about asking. :-)
TIA,
Rod
--
KAYSEVENZEDBAKEREASY
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