<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hey, that’s odd. I’m sure I must be doing something wrong then, it’s not exactly in my daily routine. Thanks for the info!<div><br></div><div>And also for your contributions to the code. I noticed there’s a KiCad fund drive going on, it’s at the top of <a href="http://kicad.org">kicad.org</a>.<div><br></div><div>Ben<br><div><br></div><div><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 29 Dec 2024, at 23:20, Jonatan Liljedahl <lijon@kymatica.com> wrote:</div><br class="Apple-interchange-newline"><div><div dir="auto">I use KiCad with the built-in ngspice integration. (I even contributed some to the signal viewer code in KiCad :)</div><div dir="auto"><br></div><div dir="auto">You don't need to use any special symbol for ground, or any other component. The standard ground symbols map to net 0 already, as far as I know. The bundled spice symbols are ugly and weird, so I never use them except for the voltage source etc. Just set up the correct model on any symbol with a matching pin count and all is well! One thing to look out for is that the pin ordering for diodes are reversed in kicad and ngspice, and also most transistors.</div><div dir="auto"><br clear="all"><div dir="auto"><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">/Jonatan<br><a href="http://kymatica.com/" target="_blank">http://kymatica.com</a></div></div></div><div><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 29 Dec 2024 at 21:18, Ben Stuyts via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div style="line-break:after-white-space">Totally different UI's for LTspice and KiCad of course. I hate the UI in LTspice because the complete toolbar is missing on the Mac version. Adding models to ngspice in Kicad is pretty simple: Open the properties of the regular symbol, add simulation model and browse to e.g. the downloaded pspice model from TI. No messing with creating a symbol like in LTspice. You have to remember to use the Spice symbols for your ground, and I always forget that.<div><br></div><div>I have never compared the results between these two, could be interesting. With regards to UI, KiCad is the clear winner. But you need to learn a new tool (ngspice), which prevented me from using it for the longest time. :-)<div><br></div><div>It looks like ngspice is actively developed, but my KiCad v8 is two versions behind. (Perhaps they only update it on major updates, so that would be yearly.)</div></div></div><div style="line-break:after-white-space"><div><div><br></div><div>Ben</div><div><br id="m_2410255948636508649lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 29 Dec 2024, at 17:34, Steve via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>> wrote:</div><br><div>
<div>
<div><br>
</div>
<div>Ah, how does the one in KiCAD compare
to good ol' LTspice?</div>
<div><br>
</div>
<div><br>
</div>
<div>On 28.12.2024 18:59, Ben Stuyts wrote:<br>
</div>
<blockquote type="cite">
For one thing it’s windows-only, so no, I can’t use it. Still use
the somewhat outdated Mac version of LTspice. I now tend to use
KiCAD’s built in ngspice every now and then, as it’s already in
KiCAD. (<a href="https://www.kicad.org/discover/spice/" target="_blank">https://www.kicad.org/discover/spice/</a>)
<div><br>
</div>
<div>Ben</div>
<div><br id="m_2410255948636508649lineBreakAtBeginningOfMessage">
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<blockquote type="cite">
<div>On 28 Dec 2024, at 18:39, Steve via Synth-diy
<a href="mailto:synth-diy@synth-diy.org" target="_blank"><synth-diy@synth-diy.org></a> wrote:</div>
<br>
<div>
<div><p>Hey list,</p><p>the guy who originally made LTspice, IIRC, some time
ago started a supposedly improved, in several regards,
simulator named Qspice. Working for a different
company, I heard rumors stock models are hence not by
LT but the other vendor... perhaps not super important
to everyone.<br>
Supposedly, you can code simulated elaborate
functionality in C++ and Verilog.<br>
<br>
Here's something about what's different, and an
article geared towards LTspice users.</p><p>If anyone on here is familiar with both to feel like
commenting anything the articles don't mentionm,
please do.<br>
</p>
<div style="font-family:verdana;font-size:12px"><a href="https://hackaday.com/2023/08/25/qspice-picks-up-where-ltspice-left-us/" rel="noopener noreferrer" target="_blank" style="font-family:verdana">https://hackaday.com/2023/08/25/qspice-picks-up-where-ltspice-left-us/</a></div>
<div style="font-family:verdana;font-size:12px"> </div>
<div style="font-family:verdana;font-size:12px"><br>
Introduction to QSPICE for LTspice Users, Part 1</div>
<div style="font-family:verdana;font-size:12px"><a href="https://www.allaboutcircuits.com/technical-articles/introduction-to-qspice-for-ltspice-users-part-1" rel="noopener noreferrer" target="_blank" style="font-family:verdana">https://www.allaboutcircuits.com/technical-articles/introduction-to-qspice-for-ltspice-users-part-1</a></div>
<div style="font-family:verdana;font-size:12px"> </div>
</div>
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