kicad-developers team mailing list archive

["vladimir_uryvaev" <vovanius@...>]

--- In kicad-devel@xxxxxxxxxxxxxxx, Manveru <manveru@...> wrote:
>
> 2010/2/26 vladimir_uryvaev <vovanius@...>
> 
> >
> >
> > --- In kicad-devel@xxxxxxxxxxxxxxx <kicad-devel%40yahoogroups.com>,
> > Manveru <manveru@> wrote:
> > > But with this approach we would evolve to thousand libraries, different
> > for
> > > every user... we should be much careful and offer only good-quality close
> > to
> > > standards symbols. If some country have little differences, then we can
> > > offer optional symbol.
> > Different symbold sets may be maintained by different groups of developers.
> > We do not need to keep them all in repo. Mostly there are two standards:
> > IEEE and 'US'(?-I do not know from where it comes, but it mostly found in US
> > schemes). So there are mosly only 2 lib variants to keep by default.
> >
> > I do not think it is a good idea to keep all variants in single library
> > under different names, because most of people will use only one of them,
> > others will be just a garbage in symbols lists.
> >
> 
> I think you mean ISO/DIN and IEEE (or ANSI), as IEEE is in fact american
> institution. But as far as I know the major of differences are in couple
> analog symbols, as Europe switch to "american" logic gates symbol and most
> of the time do not use "de-morgan" versions. I do not know how deep
> differences are in transistors because I do not have access to all
> documentation of standards.

Not all Europe, in ex-USSR IEEE logic are still used. AFAIK differences in semiconductors are small, but in practice they exist.

We may have for example 'rcl/passive', 'semiconductor', 'logic ic' libs in both variants (ISO and IEEE) and user may select each one independent of others.