[sdiy] LTSpice voltage rails (was Re: Pulsonix PCB design software)

[Olivier Gillet]

You can place your +12V and -12V voltage source in one corner of the
schematics and label the nets with something like V+ or Vcc (with the
"label net" command). Then you use the same label for every other net
that should be connected to it. It shows as a label on the schematics,
though, not as a special symbol.

Olivier



On Fri, Jul 28, 2017 at 11:15 AM, Tom Wiltshire <tom at electricdruid.net> wrote:
> All this discussion of coping with the weirdnesses of bits of software reminds me of a question I’ve got about LTSpice.
>
> If I’m building a circuit with (for example) +/-12V supplies, is there any way I can set up a +12V and -12V rail, in the same way that I can attach a ground symbol wherever I need a ground connection?
>
> Currently I have to put a 12V source everywhere I want 12V, or I have to connect them all together with explicit wires. You’d have to make these connections in the actual circuit, but you wouldn’t on the schematic, so I want it more like the schematic, I suppose.
>
> Thanks for any pointers.
> Tom
>
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