Return-Path: Received: (qmail 3693 invoked from network); 9 Jul 2002 18:27:16 -0000 Received: from marstons.services.quay.plus.net (212.159.14.223) by mailstore with SMTP; 9 Jul 2002 18:27:16 -0000 Received: (qmail 24273 invoked by uid 10001); 9 Jul 2002 18:31:05 -0000 Received: from post.thorcom.com (193.82.116.70) by marstons.services.quay.plus.net with SMTP; 9 Jul 2002 18:31:05 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 17Rzde-0000R4-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 09 Jul 2002 19:23:02 +0100 Received: from fep04.swip.net ([130.244.199.132] helo=fep04-svc.swip.net) by post.thorcom.com with esmtp (Exim 3.33 #2) id 17Rzdd-0000Qz-00 for rsgb_lf_group@blacksheep.org; Tue, 09 Jul 2002 19:23:01 +0100 Received: from oemcomputer ([213.101.37.163]) by fep04-svc.swip.net with SMTP id <20020709182258.ZNVC16964.fep04-svc.swip.net@oemcomputer> for ; Tue, 9 Jul 2002 20:22:58 +0200 Message-ID: <002701c22775$a777d320$a32565d5@oemcomputer> From: "Johan Bodin" To: rsgb_lf_group@blacksheep.org References: <002601c22770$a3fd44a0$50aec5c8@local> Subject: LF: Re: LITZ wire X enameled Date: Tue, 9 Jul 2002 20:22:53 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Marcus, I don't know how much better Litz can do in your case but the winding length is also important for efficiency. If I remember correctly, best efficiency (power transfer) is achieved when the winding covers the entire length of the ferrite rod i.e. the coil uses as much length as possible of the concentrated field . Unfortunately, this does not coincide with maximum coil Q. 73 Johan SM6LKM