Mike Smith wrote:
>
> -----Original Message-----
> From: Jean Mercier <mercierj@INTERLINX.QC.CA>
> To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
> Date: Saturday, 4 October 1997 21:15
> Subject: Re: Coil Manufacture
>
> >I have a small VB program that calculate the inductance of an air core
> >coil.
> >Coil size must be expressed in millimeters ( length, diameter, turns).
> >Slides are provided to vary easily your input by 1% steps.
> >
> >I can send you the exe if you want it. (8.10K)
> >
> >As i recall, to get maximum inductance you must stick to this physical
> >proportion( length = diam/2).
> >
>
> Does it work for PCB (track based) inductors?
>
> MikeS
> <mikesmith_oz@relaymail.net>

No, not implemented, but the formula for a printed square spiral coil
can be found in page 8 of Electronics Equations Handbook by Stephen
J.Erst

Jean