Return-Path: Received: (qmail 8418 invoked from network); 2 Sep 2002 02:20:34 -0000 Received: from murphys.services.quay.plus.net (212.159.14.225) by mailstore with SMTP; 2 Sep 2002 02:20:34 -0000 Received: (qmail 2473 invoked from network); 2 Sep 2002 02:20:54 -0000 Received: from post.thorcom.com (193.82.116.70) by murphys.services.quay.plus.net with SMTP; 2 Sep 2002 02:20:54 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 17lgoA-0000t4-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 02 Sep 2002 03:19:18 +0100 Received: from [216.93.66.202] (helo=mail3.mx.voyager.net) by post.thorcom.com with esmtp (Exim 4.10) id 17lgoA-0000su-00 for rsgb_lf_group@blacksheep.org; Mon, 02 Sep 2002 03:19:18 +0100 Received: from k6500 (d12.as3.mpls.mn.voyager.net [169.207.249.236] (may be forged)) by mail3.mx.voyager.net (8.11.6/8.10.2) with SMTP id g822J9K42355 for ; Sun, 1 Sep 2002 22:19:09 -0400 (EDT) From: "WE0H" To: rsgb_lf_group@blacksheep.org Date: Sun, 1 Sep 2002 21:19:32 -0500 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 In-reply-to: <200209011722.g81HMxX12463@mailgate5.cinetic.de> Importance: Normal X-MIME-Autoconverted: from 8bit to quoted-printable by mail3.mx.voyager.net id g822J9K42355 Subject: LF: RE: Re:Skin-effect cores, from DK 8 ND Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-2.6 required=5.0tests=IN_REP_TO,FROM_NAME_NO_SPACES,MAY_BE_FORGED,DEAR_SOMEBODYversion=2.31 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Thank you Hans for explaining this in English. 73's, Mike>WE0H http://www.we0h.us/lf.html -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Hans-Albrecht Haffa Sent: Sunday, September 01, 2002 12:23 PM To: rsgb_lf_group@blacksheep.org Subject: LF: Re:Skin-effect cores, from DK 8 ND Dear Mike, I gave to Uwe two hints in German books to the topic skin effect. To find the eqations or curves for the thickness of the conductive layer as a functon of thickness (diameter) and frequency, You probably must search the library of the next engineering school or technical university. 73, Hans-Albrecht DK 8 ND rsgb_lf_group@blacksheep.org schrieb am 31.08.02 02:55:01: > Hey, not fair. I can't read German if that is what this is. > > Mike>WE0H > http://www.we0h.us/lf.html > > -----Original Message----- > From: majordom@post.thorcom.com [mailto:majordom@post.thorcom.com]On Behalf > Of Hans-Albrecht Haffa > Sent: Friday, August 30, 2002 3:10 AM > To: rsgb_lf_group@blacksheep.org > Subject: LF: Skin-effect cores, from DK 8 ND > > rsgb_lf_group@blacksheep.org schrieb am 29.08.02 22:49:59: > > Hans-Albrecht Haffa schrieb: > > > > > > > > - Look to Curves explaning the skin effect, that means that diameter or > > > thickness of the copper is restricted, depending on the frequency used. > > > > > Hi Hans, > > > > where can I look up those curves ? > > > > regards > > > > Uwe/dj8wx > > > Göppingen, 30. 08.2002 > > Lieber Uwe, hier also meine Qellen: > > - Eine Seite aus dem Repetitorium in "Siemens Compüonents 22 ( 1984) Heft 5 > - Fritz Vilbig: Lehrbuch der Hochfrequenztechnik, Vierte Auflage, Bd. 1, > Seite 149-150, Akademische Verlagsgesellschaft, Leipzig 1944. > > Du mußt also wohl oder übel in einer wissenschaftlichen Bibliothek in den > Grundlagenwerken der Elektrotechnik und HF-Technik wühlen. > > 55, > Hans-Albrecht > ____________________________________________________________________________ > __ > Jetzt testen fur 1 Euro! Ihr All-in-one-Paket! > https://digitaledienste.web.de/Club/formular/?mc=021106 > > > > ____________________________________________________________________________ __ Den Komfort von WEB.DE FreeMail nutzen, aber die alten E-Mail-Adressen nicht aufgeben? Kein Problem: http://freemail.web.de/?mc=021128