Return-Path: Received: from mtain-da04.r1000.mx.aol.com (mtain-da04.r1000.mx.aol.com [172.29.64.76]) by air-df01.mail.aol.com (v129.4) with ESMTP id MAILINDF012-5ee34c150c552e0; Sun, 13 Jun 2010 12:50:29 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da04.r1000.mx.aol.com (Internet Inbound) with ESMTP id E5A2F38000253; Sun, 13 Jun 2010 12:50:25 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ONqMl-0008Ev-P6 for rs_out_1@blacksheep.org; Sun, 13 Jun 2010 17:48:59 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ONqMf-00089o-Mf for rsgb_lf_group@blacksheep.org; Sun, 13 Jun 2010 17:48:53 +0100 Received: from moutng.kundenserver.de ([212.227.17.10]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ONqMd-0001bH-2e for rsgb_lf_group@blacksheep.org; Sun, 13 Jun 2010 17:48:53 +0100 Received: from [192.168.2.100] (p5B06CE8F.dip.t-dialin.net [91.6.206.143]) by mrelayeu.kundenserver.de (node=mrbap1) with ESMTP (Nemesis) id 0Lo3Ka-1OuzG045Au-00gCmZ; Sun, 13 Jun 2010 18:48:45 +0200 Message-ID: <4C150BE7.3010606@legal-medicine.de> Date: Sun, 13 Jun 2010 18:48:39 +0200 From: pws User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Provags-ID: V01U2FsdGVkX19P2UL4l7FdL7C6I24h82TFXkDIm/G3zn1L++l vAXSV8BCOfavL5oG1Rbw5CtAKtCOv4gt7iBkk5lMyhUaHeg8JG Z2R+IiIBOcudJKmeSnbbHT1/pAJtZVa X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Static protection when using a soundcard as an Rx Content-Type: text/plain; charset=ISO-8859-1 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-global-disposition: G x-aol-sid: 3039ac1d404c4c150c512da9 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hi Brian, You wrote: > ... > Normally I'd add a "dc short" with an inductor but at 10kHz than is a > big inductor. A resistor is another options. > ... Try an ordinary transformer for audio frequencies. Peter, df3lp