Return-Path: Received: (qmail 13932 invoked from network); 14 Aug 2002 22:38:14 -0000 Received: from marstons.services.quay.plus.net (212.159.14.223) by mailstore with SMTP; 14 Aug 2002 22:38:14 -0000 Received: (qmail 14683 invoked by uid 10001); 14 Aug 2002 22:42:37 -0000 Received: from post.thorcom.com (193.82.116.70) by marstons.services.quay.plus.net with SMTP; 14 Aug 2002 22:42:37 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 17f8SV-00066S-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 15 Aug 2002 01:25:51 +0100 Received: from carbon.btinternet.com ([194.73.73.92] helo=carbon) by post.thorcom.com with esmtp (Exim 3.33 #2) id 17f8SU-00066N-00 for rsgb_lf_group@blacksheep.org; Thu, 15 Aug 2002 01:25:50 +0100 Received: from host213-122-243-78.in-addr.btopenworld.com ([213.122.243.78] helo=main) by carbon with smtp (Exim 3.22 #8) id 17f6hx-0004Hg-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Aug 2002 23:33:41 +0100 Message-ID: <001f01c243e2$a8812120$4ef37ad5@main> From: "Alan Melia" To: "LF-Group" Subject: LF: 16MHz TCXOs Date: Wed, 14 Aug 2002 23:28:15 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi all, the chat about frequency stability has reminded me I have got hold of a few unused SEI TCXOs for 16MHz. Not quite as useful as 10MHz but easily divided down to 1MHz. The spec is not brilliant 2 in 10^6 over -10 to +60 deg C. I guess that equates to a few parts in 10^7 over normal shack temperature ranges. At least It is probably better than an unknown crystal. Unfortunately there is no voltage adjustment only a trimmer tweak. Well you cant have everything !! They can go for £2-00 each (plus postage), which is cheaper than a computer osc module, though these are a bit bigger. They run at 5volt, give TTL logic level output, and have a drive capability (fan-out) of I TTL input. Cheers de Alan G3NYK QTHR alan.melia@btinternet.com