Re: gEDA-dev: PCB plugin for rat selection

[Ethan Swint <eswint_dot_ramu-at-NOSPAMverizon_dot_net>]

Bert Timmerman wrote:
> Expanding on this line of thought:
>
> Maybe it would be useful to have a feature in pcb to set the clearance
> of an entire track (on a per net basis).
>   
I think it would be more useful to have nets in several groups - e.g. a 
high-side gate driver's nets should have large spacing WRT the rest of 
the logic, but can be close to each other.  Similarly, rules could be 
derived an 'analog' and 'digital' grouping, such as making sure that 
they cross at right angles or that parallel traces have sufficient 
separation to prevent contaminating the analog.  They only see 15V in 
differential mode, but several hundred volts in common mode.  I'd like 
the tools to respond appropriately!

-Ethan


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