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21. Re: [Amps] filament supply D.C or A.C (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Wed, 13 Feb 2008 14:42:29 +0100; -- Some say that if you run the tube on dc, you should alternate the polarity of the filament every so often, to offset the migration problem. -- About 60 times a second would be great !! ;-)) -- Pat; /archives//html/Amps/2008-02/msg00079.html (9,378 bytes)
22. [Amps] Looking for fan information (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Wed, 13 Feb 2008 16:52:58 +0100; Hi All, A friend of mine gave me a new squirrel cage fan for which i can't find any information even with Goooooogle... I suppose it's an old production, but it has never been used... and i badly nee; /archives//html/Amps/2008-02/msg00081.html (7,067 bytes)
23. Re: [Amps] amp schematic drafting? (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Thu, 6 Mar 2008 22:05:43 +0100; Hi Paul, You can try ExpressPCB ( http://www.expresspcb.com/ ) I like it because you can use it once every six months without having to dig into documentation to find out how it works ! I use it for; /archives//html/Amps/2008-03/msg00062.html (8,535 bytes)
24. Re: [Amps] Buck Boost (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Mon, 28 Apr 2008 18:39:53 +0200; Sorry for that, what might seem dumb, question. But what is this "boost method" ?? An easy way to increase you HV by 10 % is to put a small transformer in serial with you actual HV transformer second; /archives//html/Amps/2008-04/msg00309.html (8,009 bytes)
25. Re: [Amps] **TROJAN ALERT** More pictures of solid state amp project posted (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Wed, 2 Jul 2008 07:10:07 +0200; Google blocks this site as well !! http://safebrowsing.clients.google.com/safebrowsing/diagnostic?client=Firefox&hl=fr&site=http://www.k6if.com/Gallery1/ I think a bit of houskeeping is necessary...; /archives//html/Amps/2008-07/msg00013.html (9,024 bytes)
26. [Amps] HL2K question (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Thu, 31 Jul 2008 21:20:04 +0200; Hi all ! A friend of mine gave me a Tokyo High Power HL2K amplifier (serial # 603456) . Of course, it did not work anymore.... :-) After reparing all the problems (HV transformer leaking, HV caps, fa; /archives//html/Amps/2008-07/msg00374.html (7,968 bytes)
27. Re: [Amps] HL2K question (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Fri, 1 Aug 2008 07:15:15 +0200; Hi All, Thanks for the few suggestions. You can find 2 pictures in a temp folder on my web page : http://tk5ep.free.fr/temp/ The cabinet and cover are made in steel. Thanks for any suggestion, 73 Pat; /archives//html/Amps/2008-07/msg00377.html (9,456 bytes)
28. Re: [Amps] HL2K question (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Mon, 4 Aug 2008 07:32:28 +0200; Hi all, I could test the HL2K problem on another model and the problem is the same. The output power drops on 3.5 and more dramaticaly on 1.8 MHz, cabinet gets hot around the output coil. Here an ans; /archives//html/Amps/2008-08/msg00015.html (7,529 bytes)
29. Re: [Amps] Meter Face Making (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Thu, 4 Dec 2008 18:54:32 +0100; Bob, I don't know the Tonne software but i can recommend you to try to use the FREE software called GALVA written by F5BU. It is a scripting language and you can make almost everything with it. I jus; /archives//html/Amps/2008-12/msg00088.html (8,099 bytes)
30. [Amps] Fwd: rx noise? (score: 1): Author: "Patrick Egloff" <pegloff@gmail.com>; Date: Sun, 7 Dec 2008 07:35:34 +0100; Hi All, I also have an HF2500 amplifier i got second hand years ago. During the last CQWW CW i had problem with the antenna switching relay. I had to open the amp an try to clean this nasty relay....; /archives//html/Amps/2008-12/msg00134.html (16,167 bytes)
31. [Amps] HF2500 HV supply... (score: 1): Author: Patrick Egloff <pegloff@gmail.com>; Date: Thu, 12 Feb 2009 22:13:34 +0100; Hi all, The HV of my Command HF2500 is rather low around 1800-1900V (shown on the meter) and drops down to 1500V, thus limiting the output power. I wanted to check the HV supply components to see if; /archives//html/Amps/2009-02/msg00379.html (8,057 bytes)
32. [Amps] HL2K high input SWR on 21 MHz (score: 1): Author: Patrick EGLOFF <pegloff@gmail.com>; Date: Fri, 4 Mar 2016 19:34:07 +0100; Hi all, I have a HL2K amplifier (pair of 3-500Z) for several years now (got it second hand) and it always had a high input SWR on 21 MHz. I matched it with my TS850 antenna tuner, so it was OK. Durin; /archives//html/Amps/2016-03/msg00007.html (7,866 bytes)
33. [Amps] HL2K high SWR input (score: 1): Author: Patrick EGLOFF <pegloff@gmail.com>; Date: Sat, 5 Mar 2016 07:41:21 +0100; Hi all, I have a HL2K amplifier (pair of 3-500Z) for several years now (got it second hand) and it always had a high input SWR on 21 MHz. I matched it with my TS850 antenna tuner, so it was OK. Durin; /archives//html/Amps/2016-03/msg00008.html (7,398 bytes)
34. Re: [Amps] HL2K high SWR input (score: 1): Author: Patrick EGLOFF <pegloff@gmail.com>; Date: Wed, 9 Mar 2016 13:25:58 +0100; Hi all and thanks for answers, It seems that the mailing list is not working properly.. I didn't receive anything during days... It took me a complete day but i finally made my amplifier work. As i w; /archives//html/Amps/2016-03/msg00017.html (13,546 bytes)
35. Re: [Amps] Amps Digest, Vol 159, Issue 6 (score: 1): Author: Patrick EGLOFF <pegloff@gmail.com>; Date: Sun, 13 Mar 2016 17:55:09 +0100; Hi Jim, As i wrote, the components are all OK. I measured them with my LCR meter. Anyway, the problem is solved... i use the 24 MHz input circuit and it works perfectly on 21 MHz as well. Not an eleg; /archives//html/Amps/2016-03/msg00024.html (8,414 bytes)

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