Return-Path: Received: (qmail 97599 invoked from network); 16 Sep 2004 07:11:03 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore02.plus.net with SMTP; 16 Sep 2004 07:11:03 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1C7qSf-000Mdn-R6 for dave@picks.force9.co.uk; Thu, 16 Sep 2004 08:13:46 +0100 Received: from [192.168.67.3] (helo=ptb-mxcore03.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1C7qSf-000MdX-Be for dave@picks.force9.co.uk; Thu, 16 Sep 2004 08:13:45 +0100 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1C7qQ2-000FBs-Px for dave@picks.force9.co.uk; Thu, 16 Sep 2004 08:11:02 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1C7qPO-0006YI-FN for rs_out_1@blacksheep.org; Thu, 16 Sep 2004 08:10:22 +0100 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1C7qPO-0006Y9-3n for rsgb_lf_group@blacksheep.org; Thu, 16 Sep 2004 08:10:22 +0100 Received: from smtp-out1.email.it ([80.247.70.6]) by relay.thorcom.net with esmtp (Exim 4.41) id 1C7qPK-0006Ib-BW for rsgb_lf_group@blacksheep.org; Thu, 16 Sep 2004 08:10:22 +0100 Received: by smtp-out1.email.it (Email.it, from userid 101) id 15D9D1C8065; Thu, 16 Sep 2004 09:10:12 +0200 (CEST) Received: from 1.118.222.41 (81-208-36-89.fastres.net [81.208.36.89])by smtp-out1.email.it (Email.it) with ESMTP id A14561C8065for ; Thu, 16 Sep 2004 09:10:12 +0200 (CEST) From: Claudio Pozzi To: rsgb_lf_group@blacksheep.org Date: Thu, 16 Sep 2004 09:13:14 +0200 User-Agent: KMail/1.5.3 References: <000701c49b71$3da74a80$6507a8c0@Main> In-Reply-To: <000701c49b71$3da74a80$6507a8c0@Main> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200409160913.15009.smtp01@email.it> X-Copyrighted-Material: Please visit http://www.email.it/ita/privacy.html X-SPF-Result: relay.thorcom.net: 80.247.70.6 is neither permitted nor denied by domain of email.it X-Spam-Score: 1.3 (+) X-Spam-Report: autolearn=no,FROM_ENDS_IN_NUMS=0.869,SARE_FREE_WEBM_ZIt001=0.389 Subject: Re: LF: LF components ...more 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=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS 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) On Thursday 16 September 2004 00:12, Alan Melia wrote: > > P.S for the RX builders Order code 12-0274 is the GEC-Plessey > SL6440 high performance mixer, mis-described as a "complete radio > IF chip". These are very good performance double balanced mixers > (Gilbert cell I think) as used in the AOR 7030, and many high end > receivers.( I think they mixed it up with the SL644/1644 which is > an FM IF chip.) These are very hard to get these days and although > a little old now, can only be outshone by the likes of Colin > Horrabin's H-mixer, I believe. > SL6440 is a good mixer, low IMD but high noise. For HF receiver it require a preamplifier also for 7 MHz band. 73 de Claudio, ik2pii -- Claudio Pozzi - Happy Linux User - http://www.qsl.net/ik2pii -- Email.it, the professional e-mail, gratis per te: http://www.email.it/f Sponsor: Hai dei virus sul tuo PC ma non sai come eliminarli? Allora impara come * rimuovere i virus. Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=1557&d=16-9