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	Sun, 14 Jun 2015 09:05:48 -0700 (PDT)
Date:	Mon, 15 Jun 2015 01:35:48 +0930
Message-ID:	<CAHUm0tNPCQWR7cMT=NfpsE3m7vTwTTk_BnhN5tEmvb3+Edwv7w@mail.gmail.com>
Subject:	[geda-user] A Spiral Inductor Footprint Generator
From:	"Erich Heinzle (a1039181 AT gmail DOT com)" <geda-user AT delorie DOT com>
To:	geda-user <geda-user AT delorie DOT com>
Reply-To:	geda-user AT delorie DOT com

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It will do square or helical inductor footprints.

https://github.com/erichVK5/SpiralInductorFootprintGenerator

you just need to decide how to connect to it, by adding suitable pins, vias
or tracks.

It will export in gEDA format by default, but can generate a kicad module
if asked nicely.

Usage:

java SpiralInductorFootprintGenerator -option value

    -k  export a kicad module, default is geda .fp file

    -s  export a square inductor, default is circular

    -i long  inner diameter of coil in nanometres

    -o long  outer diameter of coil in nanometres

    -w long  track width in nanometres

    -n long  number of turns

    -l long  length of segment used to approximate circular arc in
nanometres

    -h   prints this

Example usage:

java SpiralInductorFootprintGenerator -n 40 -i 15000 -o 50000 -w 250 -l 3000

generates a 40 turn circular inductor footprint,
of 15mm inside diameter, 50 mm outside diameter,
with 0.25mm track width and 3mm segment length.

Someone may find it useful.

Cheers,

Erich.

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<div dir=3D"ltr">It will do square or helical inductor footprints.<br><div>=
<br><a href=3D"https://github.com/erichVK5/SpiralInductorFootprintGenerator=
">https://github.com/erichVK5/SpiralInductorFootprintGenerator</a><br><br><=
/div><div>you just need to decide how to connect to it, by adding suitable =
pins, vias or tracks.<br><br></div><div>It will export in gEDA format by de=
fault, but can generate a kicad module if asked nicely.<br><br>Usage:<br><b=
r>java SpiralInductorFootprintGenerator -option value<br><br>=C2=A0=C2=A0=
=C2=A0 -k=C2=A0 export a kicad module, default is geda .fp file<br><br>=C2=
=A0=C2=A0=C2=A0 -s=C2=A0 export a square inductor, default is circular<br><=
br>=C2=A0=C2=A0=C2=A0 -i long=C2=A0 inner diameter of coil in nanometres<br=
><br>=C2=A0=C2=A0=C2=A0 -o long=C2=A0 outer diameter of coil in nanometres<=
br><br>=C2=A0=C2=A0=C2=A0 -w long=C2=A0 track width in nanometres<br><br>=
=C2=A0=C2=A0=C2=A0 -n long=C2=A0 number of turns<br><br>=C2=A0=C2=A0=C2=A0 =
-l long=C2=A0 length of segment used to approximate circular arc in nanomet=
res<br><br>=C2=A0=C2=A0=C2=A0 -h=C2=A0=C2=A0 prints this<br><br>Example usa=
ge:<br><br>java SpiralInductorFootprintGenerator -n 40 -i 15000 -o 50000 -w=
 250 -l 3000<br><br>generates a 40 turn circular inductor footprint,<br>of =
15mm inside diameter, 50 mm outside diameter,<br>with 0.25mm track width an=
d 3mm segment length.<br><br></div><div>Someone may find it useful.<br><br>=
</div><div>Cheers,<br><br></div><div>Erich.<br></div></div>

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