Return-Path: Received: from rly-dc02.mx.aol.com (rly-dc02.mail.aol.com [172.19.136.31]) by air-dc04.mail.aol.com (v121_r2.11) with ESMTP id MAILINDC042-b0648ad6114240; Thu, 21 Aug 2008 08:35:58 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dc02.mx.aol.com (v121_r2.11) with ESMTP id MAILRELAYINDC022-b0648ad6114240; Thu, 21 Aug 2008 08:35:42 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1KW9MD-000595-G4 for rs_out_1@blacksheep.org; Thu, 21 Aug 2008 13:33:41 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1KW9MD-00058w-45 for rsgb_lf_group@blacksheep.org; Thu, 21 Aug 2008 13:33:41 +0100 Received: from smtp-out-1.talktalk.net ([62.24.128.231] helo=smtp.talktalk.net) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1KW9M9-0003wK-2Q for rsgb_lf_group@blacksheep.org; Thu, 21 Aug 2008 13:33:41 +0100 X-Path: TTSMTP X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGANb9rEhZ8oB//2dsb2JhbAATgiQsgWKDfYFdBohFkW6REoFm Received: from unknown (HELO mal769a60aa920) ([89.242.128.127]) by smtp.talktalk.net with SMTP; 21 Aug 2008 13:33:19 +0100 Message-ID: <002601c9038a$1851bd30$0301a8c0@mal769a60aa920> From: "mal hamilton" To: "rsgb" Date: Thu, 21 Aug 2008 13:33:19 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: 0: X-Spam-Score: 1.2 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,SUBJ_ALL_CAPS=1.166 Subject: LF: TC4426 AGAIN Content-Type: multipart/alternative; boundary="----=_NextPart_000_0023_01C90392.7997CD70" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_40_50,HTML_MESSAGE, SUBJ_ALL_CAPS 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 : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : n ------=_NextPart_000_0023_01C90392.7997CD70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have noted all the observations stated here about FET drivers on 500 khz I am using a 4426 as a driver in my 500 khz tx, which is class E. To date no= problems with a single FET or pair in parallel. The E amp needs careful adjustment on the desired frequency, after that plai= n sailing. Mal/g3kev ------=_NextPart_000_0023_01C90392.7997CD70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I have noted all the observations stated he= re about=20 FET drivers on 500 khz

I am using a 4426 as a driver in my 500 khz= tx,=20 which is class E. To date no problems with a single FET or pair in=20 parallel.

The E amp needs careful adjustment on the d= esired=20 frequency, after that plain sailing.

Mal/g3kev

------=_NextPart_000_0023_01C90392.7997CD70--