Return-Path: X-Spam-DCC: paranoid 1290; 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=-1.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,SUBJ_RE_NUM 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 tB6LfV6u028052 for ; Sun, 6 Dec 2015 22:41:31 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a5h0p-0006JR-1y for rs_out_1@blacksheep.org; Sun, 06 Dec 2015 21:38:31 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a5h0o-0006JI-Ko for rsgb_lf_group@blacksheep.org; Sun, 06 Dec 2015 21:38:30 +0000 Received: from smarthost01c.mail.zen.net.uk ([212.23.1.5]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1a5gzk-000298-DK for rsgb_lf_group@blacksheep.org; Sun, 06 Dec 2015 21:38:29 +0000 Received: from [82.70.254.222] (helo=OfficeWin7.lan) by smarthost01c.mail.zen.net.uk with esmtp (Exim 4.80) (envelope-from ) id 1a5gzU-000BVN-Iq for rsgb_lf_group@blacksheep.org; Sun, 06 Dec 2015 21:37:08 +0000 Date: Sun, 6 Dec 2015 21:37:06 +0000 From: Chris Wilson Organization: Gatesgarth Developments X-Priority: 3 (Normal) Message-ID: <1535214404.20151206213706@chriswilson.tv> To: Paul Nicholson In-Reply-To: <56646A21.7040305@abelian.org> References: <18682173.20151206131730@chriswilson.tv> <5664461D.5010501@abelian.org> <774697463.20151206145008@chriswilson.tv> <56646A21.7040305@abelian.org> MIME-Version: 1.0 X-Originating-smarthost01c-IP: [82.70.254.222] X-Scan-Signature: 3f8d74a8c70dd416d0a3a1dbcb9bb89f Subject: Re[2]: LF: Is this frequency locking enough for EbNaut? Content-Type: text/plain; charset=us-ascii 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: 5622 Hello Paul, Sunday, December 6, 2015 I have had a poke through the schematics and it uses a PCM2903B USB chip with its own external 12MHz xtal, so it's not tied to the master oscillator... :( I find the kit works well enough for my current needs, but intend doing some back to back tests against the TS-590 RX and also with my TX aerial versus my active whip on both receivers. I use it with HDSDR software and Argo. Thanks for the info. > Chris wrote: >> the 590 has a built in USB sound card > Ideal if its conversion clock is derived from the XRef > board. No good if it has its own xtal though. > Digressing a bit... >> http://icas.to/lineup/idc-136ii-kit-eng.htm > How do you get on with that one, does it work ok? > I've been thinking about making up something like that but > it would be quicker and easier just to order three of those. > The LO is a bit close, wonder what the image rejection is like. > I'd want to use 120kHz or lower but there's loran on the > other side. Maybe a high side LO is better. > Are there other suggestions for a simple rx for LF? > -- > Paul Nicholson > -- -- Best regards, Chris 2E0ILY mailto:chris@chriswilson.tv