Return-Path: <owner-rsgb_lf_group@blacksheep.org> X-Spam-DCC: paranoid 104; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tAEJOcgZ002051 for <sq5bpf@lipkowski.org>; Sat, 14 Nov 2015 20:24:38 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZxgOk-0006ZW-UT for rs_out_1@blacksheep.org; Sat, 14 Nov 2015 19:22:06 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZxgOk-0006ZK-Mn for rsgb_lf_group@blacksheep.org; Sat, 14 Nov 2015 19:22:06 +0000 Received: from parrot.netcom.co.uk ([217.72.171.49]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from <vlf0403@abelian.org>) id 1ZxgNh-0006J7-EZ for rsgb_lf_group@blacksheep.org; Sat, 14 Nov 2015 19:22:05 +0000 Received: from sb.abelian.org (i-194-106-52-83.freedom2surf.net [194.106.52.83]) by parrot.netcom.co.uk (Postfix) with ESMTP id 1F6683273F0 for <rsgb_lf_group@blacksheep.org>; Sat, 14 Nov 2015 19:12:15 +0000 (GMT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by sb.abelian.org (Postfix) with ESMTP id 7A43228A01F6 for <rsgb_lf_group@blacksheep.org>; Sat, 14 Nov 2015 19:20:48 +0000 (UTC) Message-ID: <56478990.2@abelian.org> Date: Sat, 14 Nov 2015 19:20:48 +0000 From: Paul Nicholson <vlf0403@abelian.org> User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <CAA8k23SKh84+0XXJfHxOVHWV7FgP+=oZXcuT79ye1Te24yqhdA@mail.gmail.com> In-Reply-To: <CAA8k23SKh84+0XXJfHxOVHWV7FgP+=oZXcuT79ye1Te24yqhdA@mail.gmail.com> X-Scan-Signature: 4d4a9e8f68fb15c54898568240f542c5 Subject: Re: LF: Ramped BPSK Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5071 With sufficiently brief phase steps, those discrete sidebands will fall outside the loading coil bandwidth and be well attenuated. But, does that bring back the audible clicks from the PA and coil? I'm keen to have a play with these DDS chips. Is there a recommended evaluation board? -- Paul Nicholson --