Return-Path: Received: from mtain-mi02.r1000.mx.aol.com (mtain-mi02.r1000.mail.aol.com [172.21.131.155]) by air-dd10.mail.aol.com (v129.4) with ESMTP id MAILINDD104-86b24d2c6ff3134; Tue, 11 Jan 2011 09:57:55 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mi02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 79BC638000081; Tue, 11 Jan 2011 09:57:54 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pcfen-0001B5-1X for rs_out_1@blacksheep.org; Tue, 11 Jan 2011 14:57:09 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pcfem-0001Aw-72 for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2011 14:57:08 +0000 Received: from filter02.i-online.fr ([195.200.78.9]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pcfel-0008Vt-Ey for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2011 14:57:08 +0000 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by filter02.i-online.fr (IceWarp 10.0.7 (2010-02-10)) with ESMTP (SSL) id UPP67532 for ; Tue, 11 Jan 2011 15:56:32 +0100 Received: (qmail 18026 invoked by uid 507); 11 Jan 2011 15:56:32 +0100 Received: from unknown (HELO ?192.168.1.103?) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 11 Jan 2011 15:56:32 +0100 From: John Rabson Mime-Version: 1.0 (Apple Message framework v1082) Date: Tue, 11 Jan 2011 15:56:40 +0100 In-Reply-To: <8CD7FA72DB66647-FE4-BB43@webmail-d042.sysops.aol.com> To: rsgb_lf_group@blacksheep.org References: <201101111216460781.5C69093B@smtp2.numeo.fr> <8CD7FA72DB66647-FE4-BB43@webmail-d042.sysops.aol.com> Message-Id: X-Mailer: Apple Mail (2.1082) X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_FONT_BIG=0.256,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary=Apple-Mail-4-770504530 Subject: Re: LF: RF ammeter question X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_60_70, HTML_FONTCOLOR_UNKNOWN,HTML_FONT_BIG,HTML_MESSAGE 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-sid: 3039400cdeca4d2c6ff202f5 X-AOL-IP: 195.171.43.25 --Apple-Mail-4-770504530 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Markus, I once tried a selenium diode as a varicap with my 80m RX.. It worked, bu= t was no good for commercial use. Production spread and drift were too gr= eat. I can still remember the smell of the factory where it was made. John F5VLF On 11 Jan 2011, at 14:04CET, Markus Vester wrote: > John, the 1N4007 can actually be useful as a varicap replacement to pull= an oscillator.=20 > 73, Markus (DF6NM) >=20 --Apple-Mail-4-770504530 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Markus,

I= once tried a selenium diode as a varicap with my 80m RX..  It worked= , but was no good for commercial use.  Production spread and drift we= re too great.

I can still remembe= r the smell of the factory where it was made.

John F5VLF

On 11 Jan 2011, at 14:04CET, Markus Vester= wrote:

John, the 1N4007 can actually be useful as a varicap replac= ement to pull an oscillator. 
73, Markus (DF6NM)

=3D --Apple-Mail-4-770504530--