Return-Path: Received: (qmail 29813 invoked from network); 30 Aug 2002 08:11:01 -0000 Received: from marstons.services.quay.plus.net (212.159.14.223) by mailstore with SMTP; 30 Aug 2002 08:11:01 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 9989 invoked by uid 10001); 30 Aug 2002 08:16:26 -0000 Received: from post.thorcom.com (193.82.116.70) by marstons.services.quay.plus.net with SMTP; 30 Aug 2002 08:16:26 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 17kgrM-00035z-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 30 Aug 2002 09:10:28 +0100 Received: from [217.72.192.165] (helo=mailgate5.cinetic.de) by post.thorcom.com with esmtp (Exim 4.10) id 17kgrM-00035g-00 for rsgb_lf_group@blacksheep.org; Fri, 30 Aug 2002 09:10:28 +0100 Received: from web.de (fmomail01.dlan.cinetic.de [172.20.1.45]) by mailgate5.cinetic.de (8.11.2/8.11.2/SuSE Linux 8.11.0-0.4) with SMTP id g7U89uX26981 for rsgb_lf_group@blacksheep.org; Fri, 30 Aug 2002 10:09:56 +0200 Date: Fri, 30 Aug 2002 10:09:56 +0200 Message-ID: <200208300809.g7U89uX26981@mailgate5.cinetic.de> MIME-Version: 1.0 Organization: http://freemail.web.de/ From: "Hans-Albrecht Haffa" To: rsgb_lf_group@blacksheep.org Subject: LF: 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=2.4 required=5.0tests=MIME_EXCESSIVE_QPversion=2.31 X-Spam-Level: ** Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: 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