Return-Path: X-Spam-DCC: paranoid 104; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u5OEtQRG027443 for ; Fri, 24 Jun 2016 16:55:26 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1bGSRh-0006uA-C0 for rs_out_1@blacksheep.org; Fri, 24 Jun 2016 15:51:01 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1bGSRh-0006u1-06 for rsgb_lf_group@blacksheep.org; Fri, 24 Jun 2016 15:51:01 +0100 Received: from emout04.email.it ([212.97.34.71]) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1bGSRf-0001CJ-15 for rsgb_lf_group@blacksheep.org; Fri, 24 Jun 2016 15:50:59 +0100 Received: from emout04.email.it (localhost [127.0.0.1]) by emout04.email.it (Postfix) with ESMTP id 6507496203 for ; Fri, 24 Jun 2016 16:50:54 +0200 (CEST) Received: from x220.localnet (unknown [94.36.97.189]) by emout04.email.it (Postfix) with ESMTPA id 4F33E961F5 for ; Fri, 24 Jun 2016 16:50:54 +0200 (CEST) From: Claudio Pozzi To: rsgb_lf_group@blacksheep.org Date: Fri, 24 Jun 2016 16:50:55 +0200 Message-ID: <6608710.18QxN3McHB@x220> User-Agent: KMail/4.14.1 (Linux/3.16.0-4-amd64; KDE/4.14.2; x86_64; ; ) In-Reply-To: <576BCFFD.1070208@posteo.de> References: <572D2039.2090006@posteo.de> <576BCFFD.1070208@posteo.de> MIME-Version: 1.0 X-Scan-Signature: 0a4643e586472c13187d293ec5d096c2 Subject: Re: LF: Re: Cumiana OOS Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 8291 On Thursday 23 June 2016 14:03:09 you wrote: > BTW, i am now preparing for first tests on ULF, the range between 0.3 > ... 3 kHz. Tests on 2970 Hz have started. This is a completely new > league. 2970 Hz is almost 100x 'harder' than 8270 Hz. It is not easy to > generate a high voltage on my wire on that frequency. Transformers > saturate and i need 6.1 H of inductance! HI Stefan I suggest neon sign transformer https://en.wikipedia.org/wiki/Neon-sign_transformer 15 kV and 50 mA at 50-60 Hz but I don't know what happen at 3 kHz. 73 de Claudio ik2pii -- ZE-Light e ZE-Pro: servizi zimbra per caselle con dominio email.it, per tutti i dettagli Clicca qui http://posta.email.it/caselle-di-posta-z-email-it/?utm_campaign=email_Zimbra_102014=main_footer/f Sponsor: Soluzioni di email hosting per tutte le esigenze: dalle caselle gratuite a quelle professionali su piattaforma Zimbra, da quelle su proprio dominio a quelle certificate PEC. Confronta le soluzioni Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=13326&d=24-6