Return-Path: Received: (qmail 15822 invoked from network); 14 Aug 2002 07:14:10 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 14 Aug 2002 07:14:10 -0000 Received: (qmail 22081 invoked from network); 14 Aug 2002 07:14:25 -0000 Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 14 Aug 2002 07:14:25 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 17etuH-000471-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 14 Aug 2002 09:53:33 +0100 Received: from tungsten.btinternet.com ([194.73.73.81]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 17etuG-00046w-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Aug 2002 09:53:32 +0100 Received: from host213-122-172-142.in-addr.btopenworld.com ([213.122.172.142] helo=jackie) by tungsten.btinternet.com with smtp (Exim 3.22 #8) id 17es9j-0004xD-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Aug 2002 08:01:24 +0100 Message-ID: <003201c24361$03108c20$8eac7ad5@jackie> From: "Steve Thompson" To: rsgb_lf_group@blacksheep.org Subject: LF: Re: Re: Oscillator Stabilty for QRSS? Date: Wed, 14 Aug 2002 08:05:41 +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 4.72.2106.4 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: -----Original Message----- From: Dave Brown To: rsgb_lf_group@blacksheep.org Date: 13 August 2002 22:48 Subject: LF: Re: Oscillator Stabilty for QRSS? >Hi Steve >I suggest you take a look at the following URL- it is VERY inexpensive and I >believe will do everything that you could possibly want. > >http://www.qsl.net/zl1bpu/ > There's a simple hardware design that should suit basic QRSS (but not Jason) at http://www.wireless.org.uk/dds.htm , especially if you change to a proper oscillator circuit. Add a varicap across the crystal and you can easily get 5Hz shift for FSK. Steve