Re: gEDA-user: Phantom (hidden) elements on pcb

[John Doty <jpd@xxxxxxxxxxxxx>]

On Apr 26, 2007, at 3:07 PM, Stefan Salewski wrote:

> Hello,
>
> is it possible to have a device in gschem schematics, but not to have
> this in pcb?
>
> I have a schematic where I have an adjustable capacitor (trimmer) in
> parallel to a (larger) capacitor. To build a perfect device, I will  
> need
> this trimmer, so I have it in the schematic. But I may leave it out on
> the pcb (to save space and a few cents).
>
> And in schematic I have a fuse, which I may leave out in pcb for the
> same reasons.
>
> So I have to replace the trimmer with nothing, and the fuse with a
> copper trace.
>
> Can we handle this with gEDA?

Attach a graphical=1 attribute to your trimmer, and the netlisters  
will ignore it.

For your fuse, that also works, but of course you must also short the  
nets attached to it, either by explicitly drawing a short or by  
giving them the same netname.

In either case, a text note in the schematic explaining the situation  
is a good idea.

John Doty              Noqsi Aerospace, Ltd.
jpd@xxxxxxxxx




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