Return-Path: Received: (qmail 29054 invoked from network); 6 Dec 2000 10:24:39 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by extortion.plus.net with SMTP; 6 Dec 2000 10:24:39 -0000 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Received: (qmail 13754 invoked from network); 6 Dec 2000 10:26:46 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 6 Dec 2000 10:26:46 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 143bWL-00043c-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 06 Dec 2000 10:09:53 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from tele-post-20.mail.demon.net ([194.217.242.20]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 143bWI-00043X-00 for rsgb_lf_group@blacksheep.org; Wed, 06 Dec 2000 10:09:51 +0000 Received: from telemetry.demon.co.uk ([194.222.19.114]) by tele-post-20.mail.demon.net with smtp (Exim 2.12 #2) id 143bW2-0008vZ-0K for rsgb_lf_group@blacksheep.org; Wed, 6 Dec 2000 10:09:36 +0000 Message-ID: Date: Wed, 6 Dec 2000 10:11:58 +0000 To: rsgb_lf_group@blacksheep.org From: "Tom Boucher" Subject: Re: LF: Toroid cores In-reply-to: <3.0.1.16.20001205171454.38bf9fc2@mail.cc.kuleuven.ac.be> MIME-Version: 1.0 X-Mailer: Turnpike Version 3.03a Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: In message <3.0.1.16.20001205171454.38bf9fc2@mail.cc.kuleuven.ac.be>, Rik Strobbe writes > >But be aware the in contradiction to the above the core material is far >more critical for use in low pass filters or any other resonant circuits. >There the 'red' Amidon cores can be used. > Or use air cored coils for the filters as I do. They don't work out much bigger than using toroids. 73, Tom G3OLB