Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df06.r1000.mx.aol.com (Internet Inbound) with ESMTP id C07F438000154; Thu, 5 Jul 2012 13:19:05 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Smph3-0000WP-27 for rs_out_1@blacksheep.org; Thu, 05 Jul 2012 18:18:17 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Smph2-0000WG-Ll for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2012 18:18:16 +0100 Received: from moutng.kundenserver.de ([212.227.17.10]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Smph0-0007aq-AK for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2012 18:18:15 +0100 Received: from [192.168.2.104] (pD9523389.dip.t-dialin.net [217.82.51.137]) by mrelayeu.kundenserver.de (node=mrbap2) with ESMTP (Nemesis) id 0LdcDS-1S5HkN0uFW-00iAEi; Thu, 05 Jul 2012 19:18:13 +0200 Message-ID: <4FF5CC54.2080307@legal-medicine.de> Date: Thu, 05 Jul 2012 19:18:12 +0200 From: pws User-Agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.24) Gecko/20111101 SUSE/3.1.16 Thunderbird/3.1.16 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4FF5C181.9070302@iup.uni-heidelberg.de> In-Reply-To: <4FF5C181.9070302@iup.uni-heidelberg.de> X-Provags-ID: V02:K0:IsKWlC3q7cfhLSWfUtmtGMgg9J7nVCnr8PmfNOHfTo+ 0RB+nAyAuKsZK2EtrGSJKDGARSztrvzjTxiwguWAzOlox1Q/iB 6vFMntN6IrzXkwqBOlIujggh+OFgBYv6AWc4rQpRuyjMPBNWoO qKXMIGugqwUGhrXW4UtFye9Kj757rvP8ro3CxUdYYnbUcCry+J dcmpfEIfXeIebmFmOUzahV0pLLyaLJmYfQ/X3DcSPuPm4f0DSZ cxM4rKb4rFPp88fNh4vJRBUmrTq4c/h1CiI18i71jD86Pcm26U J9VALqdmGiUPVjHPmeWbnpuPNPVr2fS372RzIkFvA2m4pJLYql +mf33GHyNuRZv2S0rywIFaJD2hGEC728CqJiQMaZG 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: 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. > ... [...] 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 [212.227.17.10 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-Scan-Signature: 0b2d339ae1d48966556dfb6ad64e2bce 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: 0:2:297118528:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40da4ff5cc8900c0 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none 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