Mark,

Yes, you've helped. I'm still checking replies on the list, but it seems
that I'll be conducting some experiments with a bunch of different coild
imprinted on a board and the good'ol oscilloscope.

Thanks!

----- Original Message -----
From: "Mark Hull" <technical@emsafrica.co.za>
To: <PICLIST@MITVMA.MIT.EDU>; "Werner Soekoe" <WernerS@fsl.gov.za>
Sent: Thursday, November 30, 2000 4:22 PM
Subject: [EE]: Coil Imprinted on PCB


> Hi Werner
>
> It's not easy to make a 'wound' inductor flat on a PCB.
> Making use of the fact that all conductors have inductance, based on their
> length and cross section, you lay out a PCB with a track length based on
the
> inductance you need.
> Rule of thumb ids 1nH / mm, so a track 100mm long has an inductance of
> 100nH.
> The track can be zigzagged to fit it into the required space, but
according
> to your earlier post, you need to fit 150mm of track onto your board for
> 150uH.
>
> Does this help?
>
> Mark
> -------------------------------------------------------------------
> Mark Hull
> Engineering/Technical
> EMS (Africa) (Pty) Ltd
> PO Box 1026, Melville, 2109, South Africa
> Ph +27 11 482 4470 Fax +27 11 726 2552
>
>
>
>
>

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