Delivered-To: daveyxm@virginmedia.com Received: by 10.50.1.100 with SMTP id 4csp136604igl; Sat, 20 Jul 2013 15:17:11 -0700 (PDT) X-Received: by 10.180.90.104 with SMTP id bv8mr25767155wib.15.1374358630414; Sat, 20 Jul 2013 15:17:10 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com. [195.171.43.25]) by mx.google.com with ESMTP id wk5si8371977wjb.129.2013.07.20.15.17.09 for ; Sat, 20 Jul 2013 15:17:10 -0700 (PDT) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1V0eAI-0006iP-Ry for rs_out_1@blacksheep.org; Sat, 20 Jul 2013 21:54:06 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1V0eAH-0006iG-T3 for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 21:54:05 +0100 Received: from mout0.freenet.de ([195.4.92.90]) by relay1.thorcom.net with esmtps (UNKNOWN:AES256-GCM-SHA384:256) (Exim 4.77) (envelope-from ) id 1V0eAF-0007yq-Cl for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 21:54:04 +0100 Received: from [195.4.92.142] (helo=mjail2.freenet.de) by mout0.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.80.1 #4) id 1V0eAE-0002RQ-CT for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 22:54:02 +0200 Received: from localhost ([::1]:40193 helo=mjail2.freenet.de) by mjail2.freenet.de with esmtpa (ID dl4yhf@freenet.de) (Exim 4.80.1 #4) id 1V0eAE-00021S-6G for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 22:54:02 +0200 Received: from mx12.freenet.de ([195.4.92.22]:48554) by mjail2.freenet.de with esmtpa (ID dl4yhf@freenet.de) (Exim 4.80.1 #4) id 1V0e8F-0001W1-Um for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 22:51:59 +0200 Received: from blfd-4db13e7c.pool.mediaways.net ([77.177.62.124]:4464 helo=[192.168.178.21]) by mx12.freenet.de with esmtpsa (ID dl4yhf@freenet.de) (TLSv1:DHE-RSA-CAMELLIA256-SHA:256) (port 465) (Exim 4.80.1 #4) id 1V0e8F-0003LC-OF for rsgb_lf_group@blacksheep.org; Sat, 20 Jul 2013 22:51:59 +0200 Message-ID: <51EAF86D.1030206@freenet.de> Date: Sat, 20 Jul 2013 22:51:57 +0200 From: wolf_dl4yhf User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <51EA8793.1020507@freenet.de> <201307201556.25063.smtp01@email.it> <51EA9C1E.5000805@freenet.de> <791A8BEB05F54F66AFD76FFD51D85637@JulesDesktop> In-Reply-To: <791A8BEB05F54F66AFD76FFD51D85637@JulesDesktop> X-Spam-Score: -0.4 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks Julian, Claudio and Ha-Jo for the info about the Siemens N28 pot cores (some info sent off-list). N28 is not optimum choice - it seems best suited between a few kHz and 100 kHz-, and most of the graphs end below 500 kHz, but for a transformer application, where only little energy is stored in the core, it's ok. [...] Content analysis details: (-0.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [195.4.92.90 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (dl4yhf[at]freenet.de) -0.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: ddae800c6581715278ab3184b42d46db Subject: Re: LF: N28 ferrite material useable on MF ? Content-Type: text/plain; charset=ISO-8859-15; format=flowed 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 Status: O X-Status: X-Keywords: X-UID: 2453 Thanks Julian, Claudio and Ha-Jo for the info about the Siemens N28 pot cores (some info sent off-list). N28 is not optimum choice - it seems best suited between a few kHz and 100 kHz-, and most of the graphs end below 500 kHz, but for a transformer application, where only little energy is stored in the core, it's ok. All the best, Wolf DL4YHF .