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

[Tom Wiltshire]

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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