Homebrew PCBs

Stefan,
I'm not sure how to do that in Eagle  Once I get the supply pins to
show up, using the "invoke" command, I don't think the pins are
repositionable.  One thing I noticed when I first started playing
around with DipTrace is that it worked somewhat differently.  For
example, the first op amp I added, when I went to add the second
section, the symbol with the same pin numbers showed up, instead of
the higher pin numbers, as U1b. I think I remember being able to put
the supply pins on either section, once I got the sections
straightened out.

I'll have to do some more investigating; maybe now is a good time to
read the "Schematic Creating" tutorial by the guy from Japan.

Ted 

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>
> On Sat, 18 Mar 2006 19:41:25 +0100, Alan Marconett <KM6VV@...> wrote:
> 
> > Hi Ted,
> >
> >
> > I saw parts with hidden supply pins get connected, but trouble is,
there
> >
> > are many ways to call pins, VDD, VCC,  GND, VSS. 
> >
> 
> Hidden pins can be very annoying, i know the problem from orcad
times. You  
> can use a "supply block" for components that use hidden supply
(imagine a  
> quad opamp, i will havbe 4 opamp symbols inside and a supply block  
> symbol). The supply blocks can be put together in one area of the  
> schematic and connected in parallel to the supply and capacitors as  
> required. This is not so clean looking as totally hidden supply, but
IMO  
> in a schematic that is used to create a PCB and does _not_ show each
and  
> every pin is worthless. Leaving out pins may be nice for some earlier  
> design stage, but the PCB really needs a full schematic. I would
expect  
> eagle will allow to use supply blocks (every software that allows
multiple  
> symbols inside one component can do that, eagle is one of them i think).
> 
> If you use reference symbols instead of wires having all supply pins
on  
> the component symbol does not add much "clutter", and i actually
prefer  
> that over supply blocks. When i read the schematic thinking "which
pin was  
> supply again" i don't need to look at the component, see that it is
say  
> IC4, search IC4 amongst the supply blocks, and read the numbers, it
will  
> all be there in one place like a real-life component.
> 

> 
> ST
>