Return-Path: Received: from rly-md09.mx.aol.com (rly-md09.mail.aol.com [172.20.29.147]) by air-md04.mail.aol.com (v121_r4.4) with ESMTP id MAILINMD043-925497a09d621b; Fri, 23 Jan 2009 13:18:18 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-md09.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINMD095-925497a09d621b; Fri, 23 Jan 2009 13:18:00 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LQQam-00056G-WA for rs_out_1@blacksheep.org; Fri, 23 Jan 2009 18:17:20 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LQQam-000567-Jy for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 18:17:20 +0000 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 1LQQal-0000UN-PC for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 18:17:20 +0000 X-Path: TTSMTP X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAPeYeUlOkLtJ/2dsb2JhbACEV8gghXM Received: from unknown (HELO mal769a60aa920) ([78.144.187.73]) by smtp.talktalk.net with SMTP; 23 Jan 2009 18:16:53 +0000 Message-ID: <008901c97d86$c47cc250$0301a8c0@mal769a60aa920> From: "mal hamilton" To: References: <002e01c97d73$3576f7f0$0301a8c0@mal769a60aa920> <006501c97d7b$3b80b570$0301a8c0@mal769a60aa920> Date: Fri, 23 Jan 2009 18:16:52 -0000 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: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: Re: rectifiers Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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 Jim I realise they are Schotty but are they totally suitable for a psu. Are u qrv on 137 khz cw. I am calling cq on 136.8 khz de mal/g3kev ----- Original Message ----- From: "James Moritz" To: Sent: Friday, January 23, 2009 6:07 PM Subject: LF: Re: rectifiers > Dear Mal, LF Group, > > The MBR6045 you have are Schottky types, which generally do have much > higher > reverse current than PN junction diodes, especially high current, large > area > ones. Diode matching is usually not very important in a rectifier, unless > you are using series or parallel combinations of diodes. For a double > balanced mixer, it is a different matter, though these probably are not > the > best kind of diodes for that... > > Cheers, Jim Moritz > 73 de M0BMU > > > -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.176 / Virus Database: 270.10.12/1910 - Release Date: 1/22/2009 6:28 PM