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1. [AMPS] What amplifier...? (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Tue, 10 Feb 1998 23:14:32 +0100; Hi! Have some questions on behalf of a friend of mine, who recently purchased a second hand amp. He tells me that it looks like a factorydesign and is labeled "PRESTIGE". Myself I´ve never hear; /archives//html/Amps/1998-02/msg00060.html (7,292 bytes)
2. No subject (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Thu, 11 Dec 1997 18:03:46 +0100; Hi all, Seems that the subject "parasitics" is endless... Ofcourse you can put as much hypotetical theories as ever into that tiny little choke, but my general advice is: Dont try to fix what already; /archives//html/Amps/1997-12/msg00218.html (8,093 bytes)
3. [AMPS] Re: G2DAF AMPLIFIER CIRCUIT (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Thu, 11 Dec 1997 23:25:38 +0100; Exactly Rich, thats why I think that 2-tone measurements are very questionable. I mean, none of us (I hope) have a 2-tone speech/voice quality... and thats why I want to do more measurements on my am; /archives//html/Amps/1997-12/msg00229.html (9,231 bytes)
4. Re II: [AMPS] G2DAF AMPLIFIER CIRCUIT (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Fri, 12 Dec 1997 00:56:28 +0100; This makes me curious, as I`m trying to define a different methode to measure IMD myself... Exactly how, did you do that Rich? What point in the the speech envelope did you use as reference? What wor; /archives//html/Amps/1997-12/msg00232.html (9,190 bytes)
5. Re II: [AMPS] G2DAF AMPLIFIER CIRCUIT (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Fri, 12 Dec 1997 19:29:07 +0100; Daffys never swear, as they have no reason to...;) -snip I got one e-mail saying that unzipped/fly down is called 'trolling for bimbos' in Texas. -snip Although I dont agree with the accuracy of you; /archives//html/Amps/1997-12/msg00256.html (10,539 bytes)
6. Re II: [AMPS] G2DAF AMPLIFIER CIRCUIT (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Sat, 13 Dec 1997 01:39:04 +0100; Bob, Already built "that amplifier" four years ago, and have used it every day since..... One of the cleanest I`ve had, but must admit I get quite curious when hearing and reading all bad roumurs abo; /archives//html/Amps/1997-12/msg00262.html (8,176 bytes)
7. [AMPS] G2DAF (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Sun, 14 Dec 1997 17:55:01 +0100; It seems like end of discussion on this subject....No answer from Bob and nothing at all from W8JI. Unfortunatley for me, as I was hoping to learn something new... The only conclusion I can come to i; /archives//html/Amps/1997-12/msg00286.html (7,379 bytes)
8. [AMPS] G2DAF amps (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Mon, 15 Dec 1997 17:08:55 +0100; Peter Chadwick: Rich Measures: * This is not true. The screen voltage will most certainly fluctuate, as thats * the general idea with the circuit. However, that does not mean that IMD also * "fluctua; /archives//html/Amps/1997-12/msg00300.html (8,737 bytes)
9. [AMPS] (advice)Jennings vacuum relays (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Tue, 16 Dec 1997 07:12:52 +0100; Paul, I dont belive that the contacts in the relay are the main problem. I suspect hot-switching to be the problem. Myself I use Jennings RJ1A in my amp with make- and delay timing as suggested by Ri; /archives//html/Amps/1997-12/msg00304.html (8,865 bytes)
10. [AMPS] G2DAF-linearity measurements (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Wed, 17 Dec 1997 08:03:46 +0100; This is interesting! Now we are learning something. This is what I have been waiting for. A (for me) new approach on how to measure IMD dynamically. Earlier this autumn, I did some experimental meas; /archives//html/Amps/1997-12/msg00314.html (9,386 bytes)
11. [AMPS] linearity (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Wed, 17 Dec 1997 15:38:26 +0100; * I doubt that, as G2DAF is designed for zero-bias operation. That means that * the amp will draw some amount of gridcurrent at all levels of drive. * Taking this facts into account, I really don`t u; /archives//html/Amps/1997-12/msg00318.html (9,300 bytes)
12. [AMPS] linearity (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Wed, 17 Dec 1997 18:51:13 +0100; SM3BDZ: AG6K: Since when did you take TRX vox into account when measuring efficiency of an RF-amplifier? Could it be an EIMAC recommendation...? ;) IMO The point with higher efficiency is not to get; /archives//html/Amps/1997-12/msg00320.html (8,369 bytes)
13. [AMPS] linearity (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Thu, 18 Dec 1997 07:10:56 +0100; Besides efficiency this is true, but with G2DAF its a freebee.... /Lars -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@con; /archives//html/Amps/1997-12/msg00326.html (8,970 bytes)
14. [AMPS] linearity (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Fri, 19 Dec 1997 14:12:57 +0100; Grandfather Harlin used to say: " If you arguments are weak - raise your voice!" Merry x-mas Rich! /Lars -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administ; /archives//html/Amps/1997-12/msg00334.html (7,783 bytes)
15. [AMPS] Re: (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Mon, 22 Dec 1997 13:27:11 +0100; AG6K: no. The g2daf promises a free lunch. There is no free lunch and no Class C linear. Wrong. G2DAF never promised a free lunch (at least not for me....) Right. I agree that there is no linear clas; /archives//html/Amps/1997-12/msg00342.html (7,689 bytes)
16. [AMPS] Re: (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Mon, 22 Dec 1997 19:04:59 +0100; No offense Rich, but it seems to me that "you`ve hit the wall..." /Lars -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@con; /archives//html/Amps/1997-12/msg00344.html (8,875 bytes)
17. [AMPS] Antenna relay SB200 (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Mon, 06 Oct 1997 08:08:13 +0100; Matt, almost any relay capable of carrying 10A DC will do. Try to find one with as short connectionleads as possible. 73 de Lars /SM3BDZ -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissio; /archives//html/Amps/1997-10/msg00027.html (7,153 bytes)
18. [AMPS] Parasitic suppressors (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Sun, 31 Aug 1997 07:08:12 +0200; Have followed the discussions abt VHF parasitics on the reflector and other media. Has anyone tried using ferrit in a suppressor? Lars / SM3BDZ -- FAQ on WWW: http://www.contesting.com/ampfaq.html Su; /archives//html/Amps/1997-08/msg00249.html (7,043 bytes)
19. [AMPS] Parasitic suppressors (score: 1): Author: lars.harlin@pocab.se (Lars Harlin); Date: Sun, 31 Aug 1997 07:20:18 +0200; Have followed the discussions abt VHF parasitics on the reflector and other Media. Has anyone tried using ferrit in a suppressor? Maybe core-saturation would be a problem?? Lars / SM3BDZ -- FAQ on WW; /archives//html/Amps/1997-08/msg00251.html (7,096 bytes)

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