Yes, and to me this seems like good design practice.

It's not that hard either, protel allows you to associate up to 4 footprints
with each schematic symbol when you create it, if you need more than that
there are easy ways around it.

For example I have a heap of 20mm disc MOVs (metal oxide varistors) all with
different footprint widths related to  different working voltages, but only
one MOV schematic symbol. The default footprint is something like 20MOV___
where the ___ has to be filled in by me with  values like 275 or 680 (for
275V/680V working voltage MOVS). Morphing components (using the [Insert]
key) means that I (usually) only have to do this a couple of times.

The other three footprints associated with this schematic symbol are TAG__
14MOV___ and 07MOV___ for different MOV diameters and, TAG is for a square
version.

So one schematic symbol can be quite easily linked to a large number of
footprints.



-----Original Message-----
From: Dennis Saputelli [mailto:[EMAIL PROTECTED]]
Sent: Friday, 21 December 2001 1:27 PM
To: Protel EDA Forum
Subject: Re: [PEDA] multi sheet problems


but is it true that to use the synchronizer the schematics have to have
all the right footprints plugged into the sch symbol?

Dennis Saputelli

Abd ul-Rahman Lomax wrote:
> 
> At 04:26 PM 12/20/01 -0800, Dennis Saputelli wrote:
> >i'll probably take flak for this but i don't use the synchronizer,
> >fearing that it would make more work
> >we just use the good old netlist load, myabe i don't know what i'm
> >missing
> 
> You don't know what you are missing, Dennis.
> 
> The Synchronizer is faster to use, you can make it almost one-button if
you
> like (but there are still some dialogs). It uses the same macro creation
> process, apparently, as does the Netlist Load process. In addition, it
> correctly handles multiple pads with the same name in the same footprint.
I
> only generate a net list when I need to visually inspect it because of
some
> problem or other, which is rare.
> 
> And I am an old-time net lister. Dennis might remember some jobs I did for
> him and one which he did for me, something like fifteen years ago, complex
> multilayer boards done with tape and mylar. I used to create a net list
> from each of the layers (numbering the vias) and pull all the layer lists
> together with a Commodore computer. Another list was made from the
> schematic and the lists were compared. Errors did not survive that
process.
> Sometimes on the cheap I would just mark off the net list against the
> schematic, which was almost as good.
> 
> [EMAIL PROTECTED]
> Abdulrahman Lomax
> Easthampton, Massachusetts USA
> 

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