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 5ED33380001B2; Thu, 5 Jul 2012 14:33:22 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Smqr4-0001Tt-AA for rs_out_1@blacksheep.org; Thu, 05 Jul 2012 19:32:42 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Smqr3-0001Tc-U2 for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2012 19:32:41 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1Smqr2-00083T-7A for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2012 19:32:40 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id q65IWdK1010496 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 5 Jul 2012 20:32:39 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id q65IWdli025993 for ; Thu, 5 Jul 2012 20:32:39 +0200 Message-ID: <4FF5DD4E.3010507@iup.uni-heidelberg.de> Date: Thu, 05 Jul 2012 20:30:38 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4FF5C181.9070302@iup.uni-heidelberg.de> <4FF5CC54.2080307@legal-medicine.de> In-Reply-To: <4FF5CC54.2080307@legal-medicine.de> X-Spam-Score: -0.7 (/) 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: Hello Peter, Many thanks. And an interesting circuit! How many unpublished treasures to you have left? :-) 73, Stefan [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [129.206.100.212 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re: LF: Analog oscillators 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: 0:2:407397344:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d404e4ff5ddf24fc8 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hello Peter, Many thanks. And an interesting circuit! How many unpublished treasures to you have left? :-) 73, Stefan Am 05.07.2012 19:18, schrieb pws: > Moin Stefan, > > You wrote: >> ... >> I want to build an analog oscillator running on 1888....1916 kHz. >> ... >> So, what is the best oscillator circuit? Are there strong differences >> regarding stability or is it always a question of the temperature? >> Ah, it >> must be a LC oscillator. The adjusting part is a variable C of 33pF >> with a >> 6mm axis. >> ... > > The most stable VFO I ever soldered: > http://www.df3lp.de/misc/lfrx/ > > Use "Styroflex" caps only! > > Peter, df3lp