SV: Re: [sdiy] Altrium Designer/Protel

[karl dalen]

Speaking of going off grid, how many of you have 
switched into designing PCB's in mm instead of mil??

Yes, there has been a change, all new PCB's shall be
designed in mm thesedays as they say! 

KD

-- Dave Manley <dlmanley at sonic.net> skrev:

> Charles Bisaillon wrote:
> > In the end, we have nothing to complain about except that a trace is
> missing
> > in the VCF. We are still unsure whether this was connected or not in the
> > schematic although everything seemed fine.
> Many tools allow you can to generate a netlist, or a cross reference 
> that shows all nets connected to each pin on each device.  Examining 
> these can be an easy way to find problems.  It is also easy to write 
> some perl to parse these to look for things like nets with only one 
> connection.  Better tools can do a design rule check (DRC) if the 
> libraries have been built correctly.  This allows you to find nets with 
> no or multiple drivers.
> 
> Watch out if your schematic capture package allows you to turn off the 
> snap grid.  I have had a board come back with a missing net.  Examining 
> the schematic you could see a 1 pixel gap in the middle of a wire.  
> Someone had gone off grid and thought they'd made a connection - when 
> zoomed out it looked like they did.
> 
> -Dave
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