X-GM-THRID: 1218450040017275105 X-Gmail-Labels: rsgb lf X-Gmail-Received: de2f953bfcf6bb3a2b0f983f205b0057680d0b24 Delivered-To: daveyxm@gmail.com Received: by 10.78.127.1 with SMTP id z1cs282491huc; Fri, 27 Oct 2006 20:01:49 -0700 (PDT) Received: by 10.66.220.17 with SMTP id s17mr565924ugg; Fri, 27 Oct 2006 20:01:49 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id j2si143730ugf.2006.10.27.20.01.48; Fri, 27 Oct 2006 20:01:49 -0700 (PDT) Received-SPF: neutral (google.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 1GdeP7-0001t0-SI for rs_out_1@blacksheep.org; Sat, 28 Oct 2006 03:58:37 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1GdeP7-0001sr-F9 for rsgb_lf_group@blacksheep.org; Sat, 28 Oct 2006 03:58:37 +0100 Received: from mailout08.sul.t-online.com ([194.25.134.20]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1GdeP5-0006yg-6N for rsgb_lf_group@blacksheep.org; Sat, 28 Oct 2006 03:58:37 +0100 Received: from fwd29.aul.t-online.de by mailout08.sul.t-online.com with smtp id 1GdeP4-0008O4-02; Sat, 28 Oct 2006 04:58:34 +0200 Received: from dl4eau (Z2a0xEZl8eWIJ2qsUdpYrQHcVOj-tPY1fh7luy-4eGaCkzCqIH7m0I@[217.245.119.125]) by fwd29.sul.t-online.de with smtp id 1GdeOx-0p2DmC0; Sat, 28 Oct 2006 04:58:27 +0200 From: "Thomas Eckart" To: Date: Sat, 28 Oct 2006 04:58:15 +0200 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: <031b01c6fa30$5fa6f7f0$7900a8c0@athlon1200> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-ID: Z2a0xEZl8eWIJ2qsUdpYrQHcVOj-tPY1fh7luy-4eGaCkzCqIH7m0I X-TOI-MSGID: 23c4ea7c-7aa6-4912-b050-59d7e5f25121 X-Spam-Score: -0.5 (/) X-Spam-Report: autolearn=disabled,AWL=-0.488,UNPARSEABLE_RELAY=0.001 Subject: LF: grounded grid 3-500Z Content-Type: text/plain; charset="iso-8859-1" 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 Status: O X-Status: X-Keywords: X-UID: 6736 HI LF's, I'm planning to build an amplifier with two times 3-500Z for operation on low bands. Can anyone explain how to measure the grid current in grounded grid applications? In all applications there is only a different in measure plate current to grid current by an other dimension of the shunt resistor. Is that right? What is the theoretic of this? Did any one have an god application where I can see a little bit more details. 73 Tom DL4EAU