X-GM-THRID: 1202346952660908349 X-Gmail-Labels: rsgb lf X-Gmail-Received: 264c07b2b915652bbcd0831d83633b45725acabe Delivered-To: daveyxm@gmail.com Received: by 10.54.72.15 with SMTP id u15cs2904wra; Wed, 3 May 2006 14:00:19 -0700 (PDT) Received: by 10.49.57.9 with SMTP id j9mr104245nfk; Wed, 03 May 2006 14:00:18 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id o53si3936640nfa.2006.05.03.14.00.16; Wed, 03 May 2006 14:00:18 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1FbOOp-0003Fw-UC for rs_out_1@blacksheep.org; Wed, 03 May 2006 21:56:43 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FbOOp-0003Fi-IX for rsgb_lf_group@blacksheep.org; Wed, 03 May 2006 21:56:43 +0100 Received: from defout.telus.net ([204.209.205.55] helo=priv-edmwes34.telusplanet.net) by relay1.thorcom.net with esmtp (Exim 4.51) id 1FbQGa-0001TB-JP for rsgb_lf_group@blacksheep.org; Wed, 03 May 2006 23:56:39 +0100 Received: from priv-edmwaa05.telusplanet.net ([64.180.173.28]) by priv-edmwes34.telusplanet.net (InterMail vM.6.01.05.04 201-2131-123-105-20051025) with ESMTP id <20060503205621.MKAP3245.priv-edmwes34.telusplanet.net@priv-edmwaa05.telusplanet.net> for ; Wed, 3 May 2006 14:56:21 -0600 Received: from [192.168.1.1] (d64-180-173-28.bchsia.telus.net [64.180.173.28]) by priv-edmwaa05.telusplanet.net (BorderWare MXtreme Infinity Mail Firewall) with ESMTP id 4AMPVKAP3E for ; Wed, 3 May 2006 14:56:21 -0600 (MDT) Message-ID: <445918F4.8070304@telus.net> Date: Wed, 03 May 2006 13:56:20 -0700 From: Scott Tilley User-Agent: Thunderbird 1.5.0.2 (Windows/20060308) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000701c66e90$c21a7e60$01e8fc3e@g3kev> In-Reply-To: <000701c66e90$c21a7e60$01e8fc3e@g3kev> X-Spam-Score: -0.6 (/) X-Spam-Report: autolearn=disabled,AWL=-1.192,FORGED_RCVD_HELO=0.05,FROM_ENDS_IN_NUMS=0.516 Subject: Re: LF: Wilkinson Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.63 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 Status: O X-Status: X-Keywords: X-UID: 5472 Oh, for anyone else interested I posted a small website explaining my two port combiner for 2200m. I also have a working 4 port unit. Also on the site are links to Wilkinson resources that will explain the theory for those interested, including Mr. Wilkinson's original paper. http://www3.telus.net/sthed/lf/tx/ 73 Scott hamilton mal wrote: > Hi All > Looking at the cct of the Wilkinson combiner there is a large 100 ohm > Resistor involved. How efficient is this type of coupler and how much RF > does the resistor eat up.What is the loss through the device? > Those using the coupler will know the answer, and how were the values > calculated for LF applications. > > 73 de Mal/G3KEV > > > > >