Return-Path: Received: from rly-da03.mx.aol.com (rly-da03.mail.aol.com [172.19.129.77]) by air-da06.mail.aol.com (v123.4) with ESMTP id MAILINDA062-a5a49e459f712c; Tue, 14 Apr 2009 05:40:16 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-da03.mx.aol.com (v123.4) with ESMTP id MAILRELAYINDA032-a5a49e459f712c; Tue, 14 Apr 2009 05:40:09 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ltf70-0008Dk-Gb for rs_out_1@blacksheep.org; Tue, 14 Apr 2009 10:39:26 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ltf70-0008Db-4J for rsgb_lf_group@blacksheep.org; Tue, 14 Apr 2009 10:39:26 +0100 Received: from mail.cz.gmc.net ([77.48.211.230]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Ltf6y-0005Zp-5V for rsgb_lf_group@blacksheep.org; Tue, 14 Apr 2009 10:39:26 +0100 Received: from Lenovo (192.168.100.32) by dove.gmc.net (192.168.47.18) with Microsoft SMTP Server id 8.1.358.0; Tue, 14 Apr 2009 11:38:56 +0200 Message-ID: <532DCAA9F4BA49AEA95330861EC69C5A@gmc.net> From: =?iso-8859-1?Q?Petr_Mal=FD?= To: Date: Tue, 14 Apr 2009 11:38:44 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Up-converter 0...550 kHz Content-Type: multipart/alternative; boundary="----=_NextPart_000_03F3_01C9BCF5.91201CA0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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-IP: 193.82.116.20 ------=_NextPart_000_03F3_01C9BCF5.91201CA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all, I have made a tunable up-converter for VLF, LF and MF. Nothing ground-breaki= ng, perhaps, but maybe a little inspiration for some. I have compared the result with a professional receiver RFT EKD300 and my up= -converter is better. The lower fq the bigger difference. Here it is: http://ok1fig.nagano.cz/UC5695/Uc5695.htm 73, Petr, OK1FIG ------=_NextPart_000_03F3_01C9BCF5.91201CA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi all,

I have made a tunable up-converter for VLF,= LF and=20 MF. Nothing ground-breaking, perhaps, but maybe a little inspiration for=20 some.

I have compared the result with a professio= nal=20 receiver RFT EKD300 and my up-converter is better. The lower fq the big= ger=20 difference.

Here it is:

http://ok1fig.nagano.cz/UC5695/Uc5695.htm

73, Petr, OK1FIG

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