Return-Path: Received: from rly-ma06.mx.aol.com (rly-ma06.mail.aol.com [172.20.116.50]) by air-ma02.mail.aol.com (v123.4) with ESMTP id MAILINMA022-8b24a364894157; Mon, 15 Jun 2009 09:12:07 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-ma06.mx.aol.com (v123.4) with ESMTP id MAILRELAYINMA064-8b24a364894157; Mon, 15 Jun 2009 09:11:50 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MGBxj-0002AQ-BO for rs_out_1@blacksheep.org; Mon, 15 Jun 2009 14:10:59 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MGBxi-0002AH-Se for rsgb_lf_group@blacksheep.org; Mon, 15 Jun 2009 14:10:58 +0100 Received: from cavuit01.kulnet.kuleuven.be ([134.58.240.43]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1MGBxh-0004cE-LG for rsgb_lf_group@blacksheep.org; Mon, 15 Jun 2009 14:10:59 +0100 Received: from smtps01.kuleuven.be (smtpshost01.kulnet.kuleuven.be [134.58.240.74]) by cavuit01.kulnet.kuleuven.be (Postfix) with ESMTP id CF9A97B8050 for ; Mon, 15 Jun 2009 15:10:45 +0200 (CEST) Received: from PC_van_Rik.fys.kuleuven.be (dhcp-10-33-85-106.fys.kuleuven.be [10.33.85.106]) by smtps01.kuleuven.be (Postfix) with ESMTP id 7B4E131E702 for ; Mon, 15 Jun 2009 15:10:45 +0200 (CEST) X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Mon, 15 Jun 2009 15:10:52 +0200 To: "rsgb_lf_group@blacksheep.org" X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Rik Strobbe In-Reply-To: <4A364395.9010201@telenet.be> References: <4A364395.9010201@telenet.be> Mime-Version: 1.0 Message-Id: <20090615131045.7B4E131E702@smtps01.kuleuven.be> X-KULeuven-Information: Katholieke Universiteit Leuven X-KULeuven-Scanned: Found to be clean X-KULeuven-Envelope-From: rik.strobbe@fys.kuleuven.be X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: 500 kHz resonators at nedis.com Content-Type: text/plain; charset="us-ascii"; format=flowed 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=TO_ADDRESS_EQ_REAL 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 Pedro, I have a VXO with a 4MHz ceramic resonator. That signal is divided by 8. Range is 500.5 - 506kHz. see http://wireless.org.uk/500k_tx.gif http://wireless.org.uk/qtx.htm 4MHz cer. resonators are available at less than 1 Euro in almost every electronic shop. 500kHz cer. resonators however could be interesting to build a sharp RX-input filter (cfr xtal ladder filter) 73, Rik ON7YD - OR7T At 14:50 15/06/2009, you wrote: >Hello group, > >I just discovered that the European grossist for electronic parts has >500 kc ceramic resonators in their range for less than half a Euro. >this is a great building block for a tunable 500 kHz transmitter. I >ordered some for test purposes to see how far they can e pulled. >Unfortunately they don't sell direct to customers, only to retailers. > > >Pedro > >www.nedis.com