Return-Path: Received: (qmail 6976 invoked from network); 31 Jul 2001 21:48:18 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 31 Jul 2001 21:48:18 -0000 Received: (qmail 12112 invoked from network); 31 Jul 2001 21:47:59 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 31 Jul 2001 21:47:59 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15RhHl-0008UZ-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 31 Jul 2001 22:42:41 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from mailout06.sul.t-online.com ([194.25.134.19] helo=mailout06.sul.t-online.de) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15RhHk-0008UU-00 for rsgb_lf_group@blacksheep.org; Tue, 31 Jul 2001 22:42:41 +0100 Received: from fwd02.sul.t-online.de by mailout06.sul.t-online.de with smtp id 15RhH6-0002Ns-07; Tue, 31 Jul 2001 23:42:00 +0200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from (0482183881-0001@[62.157.30.252]) by fwd02.sul.t-online.com with smtp id 15RhH6-21Oqo4C; Tue, 31 Jul 2001 23:42:00 +0200 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <3B5E8908.E135D569@alg.demon.co.uk> Subject: LF: GW4ALG-400W-PA X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Date: Tue, 31 Jul 2001 23:42:00 +0200 Message-ID: <15RhH6-21Oqo4C@fwd02.sul.t-online.com> X-Sender: 0482183881-0001@t-dialin.net Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Steve, in DL it is nowadays possi (on request) transmitting with 1W ERP. to achieve the 1W ERP I`m constructing a lf-pa with two triode valves like ur 572B. got a question: the L1 and the L2 shown in the diagram, would u pse give me the inductivity in mH of the centre-tapped windings ? guess the 572B cap grid to ground is abt 8pF and plate to ground abt 1pF like the 3-500Z, ok? I must insert other cores. regards Uwe/dj8wx