Return-Path: Received: (qmail 17093 invoked from network); 10 Jan 2005 14:44:08 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore01.plus.net with SMTP; 10 Jan 2005 14:44:08 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1Co0lc-0001kp-6s for dave@picks.force9.co.uk; Mon, 10 Jan 2005 14:43:39 +0000 Received: from [192.168.67.2] (helo=ptb-mxcore02.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1Co0la-0001jb-54 for dave@picks.force9.co.uk; Mon, 10 Jan 2005 14:43:34 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Co0lz-000CIs-NY for dave@picks.force9.co.uk; Mon, 10 Jan 2005 14:43:59 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Co0ko-0007q1-Aa for rs_out_1@blacksheep.org; Mon, 10 Jan 2005 14:42:46 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Co0kn-0007ps-W1 for rsgb_lf_group@blacksheep.org; Mon, 10 Jan 2005 14:42:45 +0000 Received: from virus-out-st.online.no ([193.212.240.200] helo=scan.telenor.net) by relay.thorcom.net with esmtp (Exim 4.43) id 1Co0kk-0005Ah-DX for rsgb_lf_group@blacksheep.org; Mon, 10 Jan 2005 14:42:45 +0000 Received: from tns-fbu-22-208.corp.telenor.no ([134.47.162.90] [134.47.162.90]) by scan.telenor.net with ESMTP for rsgb_lf_group@blacksheep.org; Mon, 10 Jan 2005 15:42:33 +0100 Received: from tns-fbu-22-212.corp.telenor.no ([134.47.162.91]) by tns-fbu-22-208.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.6713); Mon, 10 Jan 2005 15:42:33 +0100 Received: from TNS-FBU-2E-014.corp.telenor.no ([134.47.163.124]) by tns-fbu-22-212.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.6713); Mon, 10 Jan 2005 15:42:32 +0100 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message Date: Mon, 10 Jan 2005 15:42:32 +0100 Message-Id: Thread-Topic: LF: Re: Pre-amps on LF thread-index: AcT3IX1l/HBAUa1MRDGt9mPW/3uNeAAAMAew From: jan-martin.noding@telenor.com To: rsgb_lf_group@blacksheep.org X-OriginalArrivalTime: 10 Jan 2005 14:42:33.0040 (UTC) FILETIME=[9E52ED00:01C4F722] MIME-Version: 1.0 X-SPF-Result: relay.thorcom.net: 193.212.240.200 is neither permitted nor denied by domain of telenor.com X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=no,FORGED_RCVD_HELO=0.05,NO_REAL_NAME=0.178 Subject: Re: LF: Re: Pre-amps on LF Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) So there might probably not be any problems at all... 73, Jan-Martin LA8AK -----Opprinnelig melding----- Fra: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]På vegne av Andy Sendt: 10. januar 2005 15:32 Many receivers probably have a high pass filter to reduce strong broadcast signals below 1.6MHz Andy G4JNT On Monday, January 10, 2005 12:23 PM, LA8AK wrote: > Even 1N4148 doesn't add more attenuation than a fraction of dB. so I really > doubt the statement, the only real problem is possible intermodulation > > -----Opprinnelig melding----- > Many RTX uses inexpensive diodes in the front-end design, for bandpass > filter and preamp and attenuator switching. >