Electronics > Beginners

Free circuit simulator ?

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Ian.M:

--- Quote from: StillTrying on April 02, 2019, 02:29:37 pm ---"I would find it very annoying to have to move the cursor away from where I am working,"

So would I, that's why I put the tool bar at the bottom, you can move it almost anywhere, even on top of the schematic.

--- End quote ---
That's why I use a five button mouse with most schematic commands bound to its buttons as I described back in reply #21.   Remembering R L C D for passives and diodes,  G for Ground and T for text isn't exactly arduous. 

The toolbar is a crutch.  Print out a function key legend strip as an aide-memoir for their more obscure commands (or dive into the menu to look up the other keys as you need them) and even a novice can turn off the toolbar and still 'drive' it faster.

rstofer:

--- Quote from: Zero999 on April 02, 2019, 09:00:40 am ---Tools → control panel → operation → toolbar icon size

--- End quote ---
Thanks for that!  Yuge works well.

Zero999:

--- Quote from: rstofer on April 02, 2019, 03:38:24 pm ---
--- Quote from: Zero999 on April 02, 2019, 09:00:40 am ---Tools → control panel → operation → toolbar icon size

--- End quote ---
Thanks for that!  Yuge works well.

--- End quote ---
Good. There are lots of options like that tucked away in various dialogue boxes.

bson:
I've switched mostly from LTspice to ngspice via KiCad.  It's a fairly capable simulator that makes things like Monte-Carlo analysis straightforward as it's fully scriptable, but the UI is limited so some of this stuff needs to be plotted via python as the UI can't discover script-generated plots, much less several hundred of them and render them as a heat graph.  Python can read spice plot data directly and matplotlib makes creating quality plots a breeze.  (Though in some ways it's a bit lacking, like it can't flag individual events on a graph, or highlight a gated region, or annotate the graphs themselves with computed values.)

But there's no doubt there'a a learning curve here.  But the ngspice manual isn't bad and should be very accessible to anyone with a technical bent who has spent a significant time around computers, programming, configuring sendmail, building Linux kernels, etc.

Gyro:
What? Nobody's tried TI's offering apart from me?  :-\  One thing it does offer is most of TIs (NS) linear parts directly accessible rather than needing to find and import models.

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