Return-Path: Received: from rly-ma05.mx.aol.com (rly-ma05.mail.aol.com [172.20.116.49]) by air-ma07.mail.aol.com (v120.9) with ESMTP id MAILINMA071-8ae472efe70dc; Mon, 05 Nov 2007 06:29:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-ma05.mx.aol.com (v120.9) with ESMTP id MAILRELAYINMA058-8ae472efe70dc; Mon, 05 Nov 2007 06:28:50 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ip08H-0005db-A9 for rs_out_1@blacksheep.org; Mon, 05 Nov 2007 11:28:41 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ip08G-0005dR-RC for rsgb_lf_group@blacksheep.org; Mon, 05 Nov 2007 11:28:40 +0000 Received: from pne-smtpout2-sn1.fre.skanova.net ([81.228.11.159]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Ip08D-0003RX-Eq for rsgb_lf_group@blacksheep.org; Mon, 05 Nov 2007 11:28:40 +0000 Received: from [127.0.0.1] (62.20.250.132) by pne-smtpout2-sn1.fre.skanova.net (7.3.129) (authenticated as u33233109) id 471EF8040031D265 for rsgb_lf_group@blacksheep.org; Mon, 5 Nov 2007 12:27:57 +0100 Message-ID: <472EFE4D.8050702@telia.com> Date: Mon, 05 Nov 2007 12:28:13 +0100 From: "Johan H. Bodin" User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000701c81ede$3af050e0$1ae4fc3e@g3kev> <20071104132452.4267a761@lurcher.twatt.local> <005301c81ef0$68d2f820$0900a8c0@Lark> In-Reply-To: <005301c81ef0$68d2f820$0900a8c0@Lark> X-Karma: -140: lashback.ubl=-140.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: CLASS D and E 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=0.0 required=5.0 tests=none 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 X-AOL-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : X-Mailer: Unknown (No Version) These articles have the information you need to design and tune a class E amplifier: http://www.arrl.org/tis/info/pdf/010102qex009.pdf http://www.cs.berkeley.edu/~culler/AIIT/papers/radio/Sokal%20AACD5-poweramps.pdf This program can be used to find the initial values for impedances and components: http://tonnesoftware.com/classe.html 73 Johan SM6LKM