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Track capacitance calculator

edsonbrusque

Hello!

 

Eagle does have a very usefull ULP called "length-freq-ri.ulp" where it automatically calculates tracks length, resistances etc.

 

Now, it would be great if an ULP (or any other piece of software) could calculate capacitances between tracks. It would be a great tool to better pcb designs, specially when dealing with high-frequency.

 

I know real world the values would be dielectric/coating/etc dependent but relative values would already be very helpfull.

 

Does such a tool exist? I've searched a lot looking for it but can't find anything.

 

Best regards!

 

Edson Brusque

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  • 0 in reply to edsonbrusque

    Edson Brusque wrote:

    >I know how to calculate it. Put it's impracticall to calculate the

    >capacitance between each pair of tracks by hand.

    >Even two tracks would already give a lot of work if they have ood

    >shapes, angles or curves.

    >That's why I'm looking for a software that could make these

    >calculations from the actual board design. It doesn't even need to

    >work with Eagle. It could use the generated Gerber files.

     

    have a look at 'traceres.ulp' from

    http://www.cadsoft.de/downloads/ulps.

    I don't know if it does what you need, but it mentions track

    capacitance in the description.

     

    on the other hand, if you know how to do the calculations and know a

    little bit about programming, you could write your own ULP.

    --

     

    Lorenz

     

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