Return-Path: Received: (qmail 3853 invoked from network); 15 Dec 2000 12:46:04 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by 10.226.25.101 with SMTP; 15 Dec 2000 12:46:04 -0000 Received: (qmail 13051 invoked from network); 15 Dec 2000 12:49:06 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 15 Dec 2000 12:49:06 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 146uAF-0003oF-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 15 Dec 2000 12:40:43 +0000 Received: from [193.96.224.45] (helo=mail1.isys.net) by post.thorcom.com with esmtp (Exim 3.16 #1) id 146uAE-0003oA-00 for rsgb_lf_group@blacksheep.org; Fri, 15 Dec 2000 12:40:42 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from [195.64.97.61] (helo=k) by mail1.isys.net with esmtp (Exim 3.16 #1) id 146uAp-0000yi-00 for rsgb_lf_group@blacksheep.org; Fri, 15 Dec 2000 13:41:20 +0100 From: "Klaus von der Heide" To: rsgb_lf_group@blacksheep.org Date: Fri, 15 Dec 2000 13:42:28 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: LF: PSK sidebands In-reply-to: <006401c06616$bfdb2e20$82b21bca@xtr743187> X-Mailer: Pegasus Mail for Win32 (v3.12b) Message-ID: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hello all, if PSK is done by choosing an appropriate continuous base band impulse form (raised Cosine, Gauss or Sinc) and modulating the phase at constant envelope (CPM), then the spectrum of PSK rapidly vanishes beyond +-baudrate. Such a signal can easily be generated by a DSP. 73 de Klaus, DJ5HG