Return-Path: <majordom@post.thorcom.com> Received: (qmail 9070 invoked from network); 19 Feb 2002 18:17:42 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by exhibition.plus.net with SMTP; 19 Feb 2002 18:17:42 -0000 Received: (qmail 14231 invoked from network); 19 Feb 2002 18:17:33 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys.services.quay.plus.net with SMTP; 19 Feb 2002 18:17:33 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16dGH8-0000xx-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 19 Feb 2002 19:50:06 +0000 Received: from tungsten.btinternet.com ([194.73.73.81]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16dGH6-0000xe-00 for rsgb_lf_group@blacksheep.org; Tue, 19 Feb 2002 19:50:05 +0000 Received: from host213-1-155-145.btinternet.com ([213.1.155.145] helo=default) by tungsten.btinternet.com with smtp (Exim 3.22 #8) id 16dEkG-0006qB-00 for rsgb_lf_group@blacksheep.org; Tue, 19 Feb 2002 18:12:04 +0000 Message-ID: <000201c1b970$eb291b60$919b01d5@default> From: "Alan Melia" <Alan.Melia@btinternet.com> To: rsgb_lf_group@blacksheep.org Subject: LF: Re: PSK08 and Jims Vectorscope Date: Tue, 19 Feb 2002 17:10:08 -0000 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: <majordom@post.thorcom.com> Hi Andy, well it looks like all of Jim's circuit would work at 137 except the input phase splitter, and it needs a bit more gain. Cheers de Alan G3NYK alan.melia@btinternet.com -----Original Message----- From: Talbot Andrew <ACTALBOT@dstl.gov.uk> To: 'rsgb_lf_group@blacksheep.org' <rsgb_lf_group@blacksheep.org> Date: 19 February 2002 09:59 Subject: LF: PSK08 and Jims Vectorscope >Firstly, Jim, can you send me a copy of your vectorscope circuit please - it >may be a case of "Coals to Newcastle" but I'm intrigued ! Now, how about >the next version, a direct conversion receiver generating quadrature signals >at 137kHz then having masses of low frequency gain before the X/Y plot ? >