schematics in PDF form?

Joerg Reisenweber joerg at openmoko.org
Fri Jun 5 15:07:03 CEST 2009


Am Fr  5. Juni 2009 schrieb Hadyn van der Berg:
> Hi  Werner,
> Can I ask, what format this is in?  I'm presuming GZIP , but I'm struggling
> to open it.
> 
> Is there any document about what the plan is for the new board?  Based on
> which existing hardware, improvements to be made, etc.
> 
> What is the thinking about using different chips, for example the power
> management or audio section?
> Would it be preferable to stick to the existing chips due to existing
> software/driver implementation or, if there is a justifiable reason, would
> the group be prepared to change?
> 
> I presume cost is an issue, since I believe the project isn't funded
> commercially . I would guess then that a motivating factor would be lower
> cost devices.
> 
> Do you struggle to obtain components, when it comes time for manufacture,
> and so is another issue, ease of sourcing of components?  Some parts have
> minimum order quantities, or are only available on large reels.
> 
> 
> Sorry for all the questions - but I think they're important to know, when
> the product is developed.
> 
> Hadyn
> 
> 
> 2009/6/5 Werner Almesberger <werner at openmoko.org>
> 
> > Hadyn van der Berg wrote:
> > > > Yes, the new board that's still in development.
> >
> > We haven't started the schematics yet. I agree, easy access to the
> > material is important. It sometimes only takes seconds to spot a bug.
> > It would be foolish to make people waste these precious seconds
> > wrestling with installation tasks instead.
> >
> > So ... of course there's something more easily accessible :-) This is
> > the collection of our circuit symbols, minus a few from the last few
> > days that I still have to add:
> >
> > http://people.openmoko.org/werner/gta02-core/gta02-core-expanded-all.ps.gz
> >
> > There are a few anomalies like odd text locations and a few missing
> > pin numbers, which are caused by the printing process. I hope to get
> > rid of these over the next few days.
> >
> > We don't have PDF at the moment, due to problems with the library
> > providing the printing functions.
> >
> > Also, the pin type is printed next to the each pin. That's to help
> > review. When the symbols are used in real schematics, this pin type
> > isn't visible.
> >
> > Hardware design experience is just what we need. So, welcome ! :)
> >
> > - Werner
> >
> 

I think this thread should move to [GTA03] (wonder why it's called that way)
/j
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