Lpc2000

Thanks, Bisser. I didn't know this program. Now I added it to 
my 'useful tools' folder!

Guille

--- In lpc2000@yahoogroups.com, Bisser Gatchev <begatchev@...> wrote:
>
> Hi Guillermo. Have you tried AppCAD? It's a free download from the 
Agilent website.
> 
> Guillermo Prandi <yahoo.messenger@...> wrote:  Hi. Sorry for the 
offtopic, guys. If anybody can point me out some good 
> forum/group to post this question, I'll be glad.
> 
> I need to calculate trace witdh and cleareance to achive an 
impedance 
> of nearly 50 ohm for an RF trace surrounded by a GND polygon. My 
board 
> is SINGLE layered, so I have no power or GND planes. There's plenty 
of 
> online calculators for this *if* I have a GND plane, but I couldn't 
> find any for surface impedance calculation (i.e., between tracks). 
Any 
> hints?
> 
> Guille
> 
> 
> 
> 
> 
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