Return-Path: Received: (qmail 25460 invoked from network); 3 Feb 2004 20:36:08 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Feb 2004 20:36:08 -0000 Received: (qmail 83447 invoked from network); 3 Feb 2004 20:36:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Feb 2004 20:36:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Ao7HA-000LZc-G7 for dave@picks.force9.co.uk; Tue, 03 Feb 2004 20:36:04 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ao7GG-0005e7-KF for rs_out@blacksheep.org; Tue, 03 Feb 2004 20:35:08 +0000 Received: from [134.58.240.42] (helo=rusty.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Ao7GF-0005c1-FM for rsgb_lf_group@blacksheep.org; Tue, 03 Feb 2004 20:35:07 +0000 Received: from localhost (localhost [127.0.0.1]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 3E7121D792E for ; Tue, 3 Feb 2004 21:34:37 +0100 (CET) Received: from octavianus.kulnet.kuleuven.ac.be (octavianus.kulnet.kuleuven.ac.be [134.58.240.71]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C88D81D77DC for ; Tue, 3 Feb 2004 21:34:36 +0100 (CET) Received: from localhost (webmail2.cc.kuleuven.ac.be [134.58.242.4]) by octavianus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id BCDAEAEF49 for ; Tue, 3 Feb 2004 21:34:36 +0100 (CET) Received: from 9.33-201-80.adsl.skynet.be (9.33-201-80.adsl.skynet.be [80.201.33.9]) by webmail2.kuleuven.be (IMP) with HTTP for ; Tue, 3 Feb 2004 21:34:36 +0100 Message-ID: <1075840476.402005dcb4653@webmail2.kuleuven.be> Date: Tue, 3 Feb 2004 21:34:36 +0100 From: "Rik Strobbe" To: rsgb_lf_group@blacksheep.org References: In-reply-to: MIME-Version: 1.0 User-Agent: Internet Messaging Program (IMP) 3.2-cvs X-Originating-IP: 80.201.33.9 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: RE: Re: Re: G0MRF 300w Tx & DDS VFO Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Gary, > Thanks for the advise, but I did realise that the input is x2 ie. 274 > Khz, ... based on the fact that you need the double frequency I assume that you want to drive a class-D PA push-pull amplifier. If that is the case there is no need to get a nice sine (through a LPF and bufferamplifier), most convenient is to pick up the 274kHz signal somewhere at TLL or CMOS level. 73, Rik ON7YD