Return-Path: Received: from rly-me09.mx.aol.com (rly-me09.mail.aol.com [172.20.83.43]) by air-me10.mail.aol.com (v126.13) with ESMTP id MAILINME103-9d74b17b26f306; Thu, 03 Dec 2009 07:43:31 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-me09.mx.aol.com (v125.7) with ESMTP id MAILRELAYINME093-9d74b17b26f306; Thu, 03 Dec 2009 07:43:29 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NGB0g-0001gP-Sy for rs_out_1@blacksheep.org; Thu, 03 Dec 2009 12:42:14 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NGB0g-0001gG-IB for rsgb_lf_group@blacksheep.org; Thu, 03 Dec 2009 12:42:14 +0000 Received: from smtp-vbr14.xs4all.nl ([194.109.24.34]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NGB0f-0004xg-Un for rsgb_lf_group@blacksheep.org; Thu, 03 Dec 2009 12:42:14 +0000 Received: from pc1 (ndb.demon.nl [82.161.81.65]) by smtp-vbr14.xs4all.nl (8.13.8/8.13.8) with ESMTP id nB3CgCWg052012 for ; Thu, 3 Dec 2009 13:42:13 +0100 (CET) (envelope-from roelof@ndb.demon.nl) Date: Thu, 03 Dec 2009 12:42:10 -0000 To: rsgb_lf_group@blacksheep.org From: "Roelof Bakker" MIME-Version: 1.0 References: <38A51B74B884D74083D7950AD0DD85E828AAF4@File-Server-HST.hst.e-technik.tu-darmstadt.de> <1259777260.4b16acec27aa8@imp.netikka.net> <4B179D08.3030706@ukonline.co.uk> Message-ID: In-Reply-To: <4B179D08.3030706@ukonline.co.uk> User-Agent: Opera Mail/9.63 (Win32) X-Virus-Scanned: by XS4ALL Virus Scanner X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: LF, reducing common-mode noise Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15 Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Peter, Have you also been looking into the performance of bifiliar wound common mode chokes, e.g. 15 turns on the popular FT-37-43 Amidon ferrite toroid? These come in handy for receiver applications. Best regards, Roelof Bakker, pa0rdt