Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mb01.r1000.mx.aol.com (Internet Inbound) with ESMTP id AF269380000E1; Tue, 13 Sep 2011 05:54:25 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1R3Pfd-0007se-5e for rs_out_1@blacksheep.org; Tue, 13 Sep 2011 10:52:49 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1R3Pfc-0007sV-N9 for rsgb_lf_group@blacksheep.org; Tue, 13 Sep 2011 10:52:48 +0100 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1R3Pfa-0004vN-BH for rsgb_lf_group@blacksheep.org; Tue, 13 Sep 2011 10:52:48 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhcBAG8nb05cF/Nr/2dsb2JhbABChFWEOo9KQ45LeYFOBQEBBQgBAQMWDwEjAiwBAQMFAgEDEQQBAQMCBSECAhQBBBoGFggGEwoBAgIBAYdopSeSEoEshDGBEQSkXw X-IronPort-AV: E=Sophos;i="4.68,373,1312153200"; d="scan'208";a="9012836" Received: from host-92-23-243-107.as13285.net (HELO xphd97xgq27nyf) ([92.23.243.107]) by out1.ip07ir2.opaltelecom.net with SMTP; 13 Sep 2011 10:52:40 +0100 Message-ID: <000501cc71fa$d842c940$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <4E6E44A0.4050000@iup.uni-heidelberg.de> <4E6E55A9.7030109@iup.uni-heidelberg.de> Date: Tue, 13 Sep 2011 09:52:26 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: DK7FC, DF6NM nr Moscow Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit 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-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:454549408:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60154e6f28517d32 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Stefan I use a Linear PSU which I find convenient because on the Primary side I use a variac and I can control my voltage output from 0 to 65 Voltss I know some SMPSU'S allow voltage variations but most do not. The advantage of the smpsu is Size compared to a Linear psu. I suppose there are better ways if the mains PSU, is incorporated with the amplifier design. Portable stations many variations de g3kev ----- Original Message ----- From: "Stefan Schäfer" To: Sent: Monday, September 12, 2011 6:55 PM Subject: Re: LF: DK7FC, DF6NM nr Moscow Am 12.09.2011 19:42, schrieb Stefan Schäfer: > > PS: Will try again TXing to the far west later at 18:30 UTC. > The SMPS has a fault again :-/ I am to close to the power limit and a SMPS as a load of a SMPS always keeps the supplying SMPS on its current limiting, which fails after some time... 73, Stefan