Re: gEDA-user: gEDA 1.2.0, opamp-1.sym pin numbers?

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Sat, 2007-09-22 at 20:35 +0200, Stefan Salewski wrote:
> I think that opamp-1.sym will not be compatible with SOT23-5 footprints
> -- in TI datasheet of OPA656 pin 1 is output for SOT23 package. Maybe
> opamp-1.sym is compatible with SC70-5 configuration, which I have newer
> seen.
> 
> Or opamp-1.sym and opamp-2.sym are only abstract representations of an
> OpAmp, without any relationship to a concrete footprint?
> 
> In any case, there seems to be no symbol in gEDA related to an ordinary
> OpAmp in DIP8 (or SO8) package.
> 
> This may look very strange for new gEDA/pcb users.

There are various "heavy" symbols, such as lm741-1.sym.

It is a well known problem though, the mapping between a light symbol
and a real package is not something which is easily solved.

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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