Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh02.r1000.mx.aol.com (Internet Inbound) with ESMTP id D87A1380000A3; Sat, 7 Jul 2012 12:12:13 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SnXau-0001Qs-LG for rs_out_1@blacksheep.org; Sat, 07 Jul 2012 17:10:52 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SnXau-0001Qj-8F for rsgb_lf_group@blacksheep.org; Sat, 07 Jul 2012 17:10:52 +0100 Received: from moutng.kundenserver.de ([212.227.126.171]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SnXas-0000Ia-FO for rsgb_lf_group@blacksheep.org; Sat, 07 Jul 2012 17:10:51 +0100 Received: from [192.168.2.104] (p4FD16362.dip.t-dialin.net [79.209.99.98]) by mrelayeu.kundenserver.de (node=mrbap1) with ESMTP (Nemesis) id 0MZ7a0-1SUlDp231I-00LdD8; Sat, 07 Jul 2012 18:10:49 +0200 Message-ID: <4FF85F89.9020309@legal-medicine.de> Date: Sat, 07 Jul 2012 18:10:49 +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: <7E7DFBB4D102A04DB5ADC88D66628A4A0FAB99CC@ICTS-S-MBX5.luna.kuleuven.be> <1SmrFA-199XcW0@fwd21.t-online.de>, <4FF5EB68.9040507@iup.uni-heidelberg.de> <003401cd5b53$29fea5a0$0401a8c0@xphd97xgq27nyf> <506F5913C8204ACF94C32C7997FF1F01@AGB> <18EDA97B55804092940864CAA40C8C50@lindavideo> <4FF74F3F.1030804@iup.uni-heidelberg.de> <003401cd5c23$6e9c24f0$0401a8c0@xphd97xgq27nyf> In-Reply-To: <003401cd5c23$6e9c24f0$0401a8c0@xphd97xgq27nyf> X-Provags-ID: V02:K0:YOUylM4bhSc7PbVSFTIv6QLm1X33DEJ61U4RigQdczK fdiNl1a8wimNMdR8Q4LDsdnbmaEmHHuljnEWnfALxISS+4ZLTr rN6kgul0GYRycCLgThGZQlv0WCJfFZWQnUAgV9WTCXOUjkwY8C xuC++hDb8GuQ+LHXqqRoGq6MrumBv8qUwUfkoW9fyDc4rG2dV0 CDzK9i2Rtg5+g3dkfK9VlwVo8G5DJQPBwB0SvCSulE1pIY65Yn jmKMyRwo+840NPiRl0hCgxXSJUiOF5cVD94a1kFAl3pt5FkLwd 5mjhGWiujibq8HecUD+Gq48qd8UUIuwgNe7g55sgvR0zSgASkE mAQ1wWRDS8O3Obyt+sHU= 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: Mal, Stefan et al., You wrote: > ... > Try permability osc tuning like Collins use instead of variable condensers, maybe even a valve osc. >... Of course the best choice. But 1. you need an iron-dust cylindrical core, hard to find. (you know, ferrite is a bad choice for oscillators) 2. if you need a linear tuning range careful aligning of each winding is a must. (I remember photos from Drake, workers adjusting coils for "4-Lines") 3. without elaborate mechanics slack will be a big problem. [...] 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 [212.227.126.171 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-Scan-Signature: 5c1f37c04fc013ebbc2288fd3791d043 Subject: Re: LF: RE: Analog oscillators Content-Type: text/plain; charset=ISO-8859-1; 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: 0:2:397227136:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d41164ff85fdd002e X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Mal, Stefan et al., You wrote: > ... > Try permability osc tuning like Collins use instead of variable condensers, maybe even a valve osc. >... Of course the best choice. But 1. you need an iron-dust cylindrical core, hard to find. (you know, ferrite is a bad choice for oscillators) 2. if you need a linear tuning range careful aligning of each winding is a must. (I remember photos from Drake, workers adjusting coils for "4-Lines") 3. without elaborate mechanics slack will be a big problem. STEFAN, DK7FC: if you need some small "red" and/or "yellow" cores I have an envelope and stamps - but no address ??? Otherwise try http://www.kitsandparts.com/ from USA. Order in German, he's a "Fischkopp" like myself. Peter, df3lp