Re: [Kicad-developers] New utility: PcbCalculator

2011-08-05 Thread Jerry Jacobs
Maybe you should have a look at http://mcalc.sourceforge.net and 
http://wcalc.sourceforge.net also.


On 05/08/2011 22:02, jean-pierre charras wrote:

I added a new utility in Kicad: PcbCalculator
It can be used to calculate transmission lines impedances, or resistors
to set the value of the output of a regulator.

Please, feel free to add features to this utility (It is not a finished
work, but is it very usable).
This is easy because the code do not use the existing Kicad code, so no
need to know the internal Kicad code.

And I need your opinion about the interest of this kind of tool.




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Re: [Kicad-developers] New utility: PcbCalculator

2011-08-05 Thread jean-pierre charras

Le 05/08/2011 22:06, Jerry Jacobs a écrit :

Maybe you should have a look at http://mcalc.sourceforge.net and 
http://wcalc.sourceforge.net also.

I had a look to it!
And used it to test PcbCalculator.



--
Jean-Pierre CHARRAS


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Re: [Kicad-developers] New utility: PcbCalculator

2011-08-05 Thread jean-pierre charras

Le 05/08/2011 22:10, jean-pierre charras a écrit :

Le 05/08/2011 22:06, Jerry Jacobs a écrit :

Maybe you should have a look at http://mcalc.sourceforge.net and 
http://wcalc.sourceforge.net also.

I had a look to it!
And used it to test PcbCalculator.





And i must say I did not reinvented the wheel,
I just collected some useful formulas or info:
Transmission line formulas and functions come from QucsStudio
( thanks to Michael Margraf michael.marg...@alumni.tu-berlin.de, the main 
author of QucsStudio ).

--
Jean-Pierre CHARRAS


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