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[195.171.43.25]) by mx.google.com with ESMTP id ki1si2122840bkb.99.2013.07.08.04.52.00 for ; Mon, 08 Jul 2013 04:52:00 -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 1Uw9xz-0004wN-Q2 for rs_out_1@blacksheep.org; Mon, 08 Jul 2013 12:50:51 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Uw9xz-0004wE-Aw for rsgb_lf_group@blacksheep.org; Mon, 08 Jul 2013 12:50:51 +0100 Received: from out1.ip04ir2.opaltelecom.net ([62.24.128.240]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Uw9xw-0005bU-UW for rsgb_lf_group@blacksheep.org; Mon, 08 Jul 2013 12:50:50 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: An8DAAmn2lFOlmV5/2dsb2JhbAANTYM7g1W9TwQBAwGBJn0IghIBAQEBAyMPAQVRCwkPAgIFFgsCAgkDAgECAUUQAwgBAYgXpnJzhFyMC4EmjVJ6FoI+gRwDl1OSeoFg X-IPAS-Result: An8DAAmn2lFOlmV5/2dsb2JhbAANTYM7g1W9TwQBAwGBJn0IghIBAQEBAyMPAQVRCwkPAgIFFgsCAgkDAgECAUUQAwgBAYgXpnJzhFyMC4EmjVJ6FoI+gRwDl1OSeoFg X-IronPort-AV: E=Sophos;i="4.87,1020,1363132800"; d="scan'208";a="415435877" Received: from host-78-150-101-121.as13285.net (HELO [127.0.0.1]) ([78.150.101.121]) by out1.ip04ir2.opaltelecom.net with ESMTP; 08 Jul 2013 12:50:47 +0100 Message-ID: <51DAA796.6010908@psk31.plus.com> Date: Mon, 08 Jul 2013 12:50:46 +0100 From: g3zjo User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <51D498BD.3050007@iup.uni-heidelberg.de> <005b01ce798a$b0476600$6d01a8c0@DELL4> <20130706131640.GG5246@cs.utwente.nl> <7D6B8CBB38964C9C82487F5D0F3648FC@FMVXD1232> <20130707203537.GA30691@cs.utwente.nl> <51DA00C8.6000600@iup.uni-heidelberg.de> <51DA0212.8020808@iup.uni-heidelberg.de> <51DA03CE.6020508@iup.uni-heidelberg.de> <51DA1680.6030602@iup.uni-heidelberg.de> In-Reply-To: <51DA1680.6030602@iup.uni-heidelberg.de> X-Antivirus: avast! (VPS 130708-0, 08/07/2013), Outbound message X-Antivirus-Status: Clean 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: On 08/07/2013 02:31, Stefan Schäfer wrote: > Well, somehow i didn't want to stop, so i now built the RX too: > https://dl.dropboxusercontent.com/u/19882028/LF/DK7FC_fiber%20optic%20active%20dipole_RX.jpg > I made some changes in the RX schematic, using a J310 instead of the > BF862 but the principle schematic is the same. The working points look > as expected. BTW that electrical/optic/electrical converter must be > quite wide in the transferred frequency range, i guess starting from a > few 100 Hz to a few 100 kHz. Stefan / LF [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Scan-Signature: 1f795a2ee1ecd56682b47ad11969b3d3 Subject: Re: LF: Re: MiniWhip antenna, fiber optic Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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: 2815 On 08/07/2013 02:31, Stefan Schäfer wrote: > Well, somehow i didn't want to stop, so i now built the RX too: > https://dl.dropboxusercontent.com/u/19882028/LF/DK7FC_fiber%20optic%20active%20dipole_RX.jpg > I made some changes in the RX schematic, using a J310 instead of the > BF862 but the principle schematic is the same. The working points look > as expected. BTW that electrical/optic/electrical converter must be > quite wide in the transferred frequency range, i guess starting from a > few 100 Hz to a few 100 kHz. Stefan / LF Have you seen the video? http://www.youtube.com/watch?feature=player_embedded&v=EWqJHTOijdE Interesting It doesn't follow my experience. Eddie G3ZJO