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Mail Archives: geda-user/2013/01/30/09:16:05

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Subject: Re: [geda-user] [patch] Pinnumbers in mosfet-with-diode-1.sym
From: Stefan Salewski <mail AT ssalewski DOT de>
To: geda-user AT delorie DOT com
In-Reply-To: <20130130090351.GE32216@fi.muni.cz>
References: <20130130090351 DOT GE32216 AT fi DOT muni DOT cz>
Date: Wed, 30 Jan 2013 15:15:19 +0100
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On Wed, 2013-01-30 at 10:03 +0100, Jan Kasprzak wrote:
> 	Hello,
> 
> I use Fedora, and I am not sure whether the following issue should
> be reported here or to Fedora bugzilla:
> 
> The file /usr/share/gEDA/sym/transistor/mosfet-with-diode-1.sym
> from the geda-symbols-1.8.1-1.fc18.noarch package is broken
> - the pinnumbers are in fact letters D, G, and S instead of numbers.

There is nothing really broken -- for gEDA symbols we have some with
letters for pin names/numbers. These are sort of generic symbols, in
most case for transistors -- the user should replace the letters with
correct numbers for his transistor. It would be possible to let the
letters unchanged, if we use an exactly matched footprint for PCB layout
-- that footprint would have letters too instead of numbers. But then we
would need a really large number of footprints, because of possible
permutations of the letters.

This is something what confused me too when I used gEDA/PCB for the
first time, but there exist no easy solution. You should find
discussions of this problem in in the wike and in this mailing list, or
maybe on in older initial gEDA mailing list. DJ and others have mode
suggestions to solve such kind of problems, some suggestions use a
database to solve it.

Best regards,

Stefan Salewski
 

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