Re: gEDA-user: Trace impedance calculations in PCB

[Steven Michalske <smichalske@xxxxxxxxx>]

with the PCB,  as stackup information

On Feb 12, 2009, at 11:48 AM, KURT PETERS wrote:

>
>   It would be nice to have some defaults already in place like the
>   permittivity for FR4 and standard layer thicknesses built-in for the
>   user.  Metal thicknesses and materials are also pretty standard.  A
>   more sophisticated user might have to enter in his own parameters.
>   Additionally, I would suggest the ability to save those settings in
>   either a config file or along with the actual design.  I'm not sure
>   which might be better.
>   Kurt
>
>
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