[SI-LIST] Re: PCB Parasitics
- From: sunil bharadwaz <sunil_bharadwaz@xxxxxxxxx>
- To: Andrew Ingraham <a.ingraham@xxxxxxxx>, SI LIST <si-list@xxxxxxxxxxxxx>
- Date: Sun, 1 Jun 2008 11:12:05 -0700 (PDT)
Sure , i will give it a try with Sonnet Lite.
Regards
Sunil.B
Andrew Ingraham <a.ingraham@xxxxxxxx> wrote: > For a Fr4 50 ohm line ,the PCB
parasitics can be approximated as
> 8.3nH/inch
> & 3.3 pf/inch.We are doing a design with 100 ohm differential RF traces.
> What would be the best estimate for these parasitics.
You can use any of a number of field solver programs to solve for these
parameters. I encourage you to do so. The results will depend on your
traces' actual geometry and it would be unwise to make a 'best estimate'
guess without knowing that.
Andy
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