Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da06.r1000.mx.aol.com (Internet Inbound) with ESMTP id B6AD338000144; Wed, 30 May 2012 14:29:12 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SZncj-0008Al-QQ for rs_out_1@blacksheep.org; Wed, 30 May 2012 19:27:57 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SZncj-0008Ac-Cl for rsgb_lf_group@blacksheep.org; Wed, 30 May 2012 19:27:57 +0100 Received: from mk-outboundfilter-1.mail.uk.tiscali.com ([212.74.114.37]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SZnch-0007ZL-As for rsgb_lf_group@blacksheep.org; Wed, 30 May 2012 19:27:56 +0100 X-Trace: 623964607/mk-outboundfilter-1.mail.uk.tiscali.com/PIPEX/$ON_NET-ACCEPTED/pipex-temporary-group/79.75.111.132/None/c.r.dillon@dsl.pipex.com X-SBRS: None X-RemoteIP: 79.75.111.132 X-IP-MAIL-FROM: c.r.dillon@dsl.pipex.com X-SMTP-AUTH: c.r.dillon%dsl.pipex.com X-Originating-Country: GB/UNITED KINGDOM X-MUA: Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApMBAC9mxk9PS2+E/2dsb2JhbAANN7cvAQEBBDgRHBMRCxgJFg8JAwIBAgFFEwgBAYgSuSGLBYIwgxYDmlSNGA X-IronPort-AV: E=Sophos;i="4.75,686,1330905600"; d="scan'208";a="623964607" X-IP-Direction: OUT Received: from 79-75-111-132.dynamic.dsl.as9105.com (HELO [127.0.0.1]) ([79.75.111.132]) by smtp.pipex.tiscali.co.uk with ESMTP; 30 May 2012 19:27:53 +0100 Message-ID: <4FC666A8.2090901@dsl.pipex.com> Date: Wed, 30 May 2012 19:27:52 +0100 From: Chris Dillon User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4FC39CF3.7020701@legal-medicine.de> <003a01cd3cee$0e74a1a0$1502a8c0@Clemens04> <4FC51191.8060004@legal-medicine.de> <4FC51B11.3010907@iup.uni-heidelberg.de> <4FC525DA.9040204@legal-medicine.de> <4FC600C8.40903@dsl.pipex.com> <4FC649A5.2080700@legal-medicine.de> In-Reply-To: <4FC649A5.2080700@legal-medicine.de> X-Spam-Score: -0.0 (/) 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: Many thanks indeed, Peter. 73 Chris On 30/05/2012 17:24, pws wrote: > Hi Chris, > > You wrote: >> ... >> Sorry I missed your earlier posts in the change to Yahoo Groups. I'd >> like >> to try a balanced probe - are you using the same circuit (with >> INA111) as >> on the www.vlf.it site or have you modified it? >> ... > > O.K. - here's the schematic once again: > http://www.df3lp.de/misc/rx/INA111_preamp.png > > and the datasheet: > http://www.ti.com/product/ina111 > > Indeed this is my 2. prototype. Here's a quick and dirty > collection of the first for VLF: > http://www.df3lp.de/misc/rx/efield/ > > Please keep in mind that both are prototypes and there's > much room for improvement, especially at the input network. > > Peter, df3lp > > [...] Content analysis details: (-0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.74.114.37 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-Scan-Signature: 4e3b1488273adbbe9757d6bdd5adf219 Subject: Re: LF: Re: VLF/LF-Preamp 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 x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:429907904:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d404e4fc666f72a19 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Many thanks indeed, Peter. 73 Chris On 30/05/2012 17:24, pws wrote: > Hi Chris, > > You wrote: >> ... >> Sorry I missed your earlier posts in the change to Yahoo Groups. I'd >> like >> to try a balanced probe - are you using the same circuit (with >> INA111) as >> on the www.vlf.it site or have you modified it? >> ... > > O.K. - here's the schematic once again: > http://www.df3lp.de/misc/rx/INA111_preamp.png > > and the datasheet: > http://www.ti.com/product/ina111 > > Indeed this is my 2. prototype. Here's a quick and dirty > collection of the first for VLF: > http://www.df3lp.de/misc/rx/efield/ > > Please keep in mind that both are prototypes and there's > much room for improvement, especially at the input network. > > Peter, df3lp > >