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Subject:	Re: Toroid winding
From:	Steve Kelly <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Fri, 6 Apr 2001 12:07:51 -0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (48 lines)

Use a planar design with kapton or FR-4 material. Regards Steve Kelly

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Ken Fong
Sent: Thursday, April 05, 2001 5:19 AM
To: [log in to unmask]
Subject: [TN] Toroid winding


Dear Technetters,

We face a problem of winding stress on toroid. Whenever thick wire, e.g.
AWG16
or above wire, is wound to a toroidal core, either the core coating is
scratched
off or the inductance changes unexpectingly. We are striving for fine-tuning
the
winding machine's force and use manual winding method, but still face the
inductance change problem. Could anyone out there give me some advice how to
prevent this? Thanks in advance.

ken

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