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21. [Amps] 8171 socket (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Thu, 27 Jan 2005 19:36:32 -0700
Hello: The socket I have for my 8171 is marked as: "Y-356B". The data-sheet recommends the SK-300A. Anyone know what the differences may be between these two sockets? TIA. Barrie, W7ALW _____________
/archives//html/Amps/2005-01/msg00538.html (6,167 bytes)

22. Re: [Amps] water cooled... (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sat, 5 Mar 2005 20:18:20 -0700
As long as this subject is being beaten: There is a product sold for automobile use, where over-heating is a problem, called "water wetter". Instructions say that it will improve the heat-transfer of
/archives//html/Amps/2005-03/msg00139.html (7,696 bytes)

23. Re: [Amps] FW: pi to pi-L o/p matching question (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 22 May 2005 14:00:17 -0600
I've looked at this program and don't understand what "image Q" is? Barrie, W7ALW _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mai
/archives//html/Amps/2005-05/msg00253.html (7,952 bytes)

24. Re: [Amps] FW: pi to pi-L o/p matching question (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 22 May 2005 14:29:02 -0600
Will: Sorry! It was image Z. Yes. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-05/msg00255.html (8,916 bytes)

25. [Amps] WRB: Hipot (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Mon, 25 Jul 2005 18:59:51 -0600
Looking for a good quality Hipot tester, at least 15KV DC. Commercial preferred, but would consider well-built HB. TNX, Barrie, W7ALW barrie@centric.net ______________________________________________
/archives//html/Amps/2005-07/msg00310.html (6,196 bytes)

26. [Amps] Hipot questions (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Fri, 19 Aug 2005 20:42:24 -0600
I've just aquired a 15 KV, commercial hipot tester. I've tested a few vacuum caps, with varying (I think) results. There doesn't seem to be a list of acceptable values, as far as leakage current is c
/archives//html/Amps/2005-08/msg00607.html (6,702 bytes)

27. Re: [Amps] Hi Pot Testing of Vacuum Components (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sat, 20 Aug 2005 18:18:20 -0600
Paul: Thanks for the info, it certainly helped! Last evening, I had a 3 to 30 pf, 15 KV cap that had quite high leakage at 3.5 KV. This evening, after cleaning, I can go to 10 KV (DC) with .25 microa
/archives//html/Amps/2005-08/msg00624.html (9,692 bytes)

28. [Amps] 100 microhenry inductor (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Tue, 20 Sep 2005 19:41:40 -0600
Hello All: For an antenna project, I have need for a 100 microhenry adjustable inductor. I can wind one, and provide taps throughout. However, I'm wondering if there is such a thing as a 100 microhen
/archives//html/Amps/2005-09/msg00248.html (6,336 bytes)

29. [Amps] Ribbon conductor in inductors (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 25 Sep 2005 12:05:34 -0600
Looking at both fixed and rotary inductors, I see examples wound with round wire and with "on-edge" ribbon. Is there some advantage, or reason to use one or the other? I can see, in the case of a rot
/archives//html/Amps/2005-09/msg00321.html (6,415 bytes)

30. Re: [Amps] re 955 (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Tue, 27 Sep 2005 20:48:15 -0600
Water-cooled is the only way to go. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-09/msg00344.html (7,968 bytes)

31. Re: [Amps] re 955 (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Tue, 27 Sep 2005 20:51:50 -0600
Actually, in the middle 1950s, we hung metal 6L6s upside-down in a container of mineral oil. We got a heap of power into the 300 ohm twin-lead. -- Original Message -- From: "Barrie Smith" <barrie@cen
/archives//html/Amps/2005-09/msg00345.html (8,902 bytes)

32. Re: [Amps] Mobile high power (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Mon, 31 Oct 2005 18:30:04 -0700
Why would 48 volt equipment run "hotter"? If we are to believe Mr. Ohm, more volts = less amps and same watts, which = heat. Or? Barrie, W7ALW -- [This E-mail scanned for viruses by Centric Internet
/archives//html/Amps/2005-10/msg00733.html (10,697 bytes)

33. Re: [Amps] 866 rectifiers (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 4 Dec 2005 20:16:01 -0700
Well, I could say "what?", but I won't. Jason, the pin-outs for MV rectifiers are in all the older handbooks. If you need not build the supply, I've several here that I'd cheerfully sell. ___________
/archives//html/Amps/2005-12/msg00027.html (8,157 bytes)

34. Re: [Amps] AC to DC (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Mon, 30 Jan 2006 20:06:06 -0700
All (quite a number, actually) of the 120 volt AC relays I've tried and tested have not closed at 12 volts DC, not even with help. Many will close at about 18 to 20 volts, some needing a nudge. All
/archives//html/Amps/2006-01/msg00752.html (8,591 bytes)

35. [Amps] 3CX3000 input impedence (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 26 Feb 2006 16:25:26 -0700
A friend is building a 3CX3000 amp for 6M. He wishes to ballpark the tuned input circuit by installing a resistor between the tube input and ground. What would be the proper value for this resistor?
/archives//html/Amps/2006-02/msg00598.html (6,481 bytes)

36. [Amps] Isolation transformer (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Mon, 27 Feb 2006 15:08:45 -0700
Will be putting a SS 1296 amplifier, complete with 40 amp switching power supply, on a tower soon. Will need to run 120 volts AC up the tower. Looking about, I don't see any 120/120 volt, 600 to 700
/archives//html/Amps/2006-02/msg00646.html (6,599 bytes)

37. [Amps] For cats sake! (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 5 Mar 2006 17:25:00 -0700
I've been running the HV for my 432 amp from a sort-of all-purpose power supply through a long piece of coax. The problem is that the power supply is built (in my typical fashion) in the bottom of a
/archives//html/Amps/2006-03/msg00102.html (7,874 bytes)

38. Re: [Amps] For cats sake! (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sun, 5 Mar 2006 17:46:26 -0700
Good points, all; however, I like the cats, almost as much as 432 EME. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listi
/archives//html/Amps/2006-03/msg00107.html (7,747 bytes)

39. [Amps] Transformers in series (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sat, 11 Mar 2006 19:50:10 -0700
Several times in the past I've hooked up the secondaries of two identical transformers in series to double the output voltage. It worked, and never gave it much thought. I know I can get double the r
/archives//html/Amps/2006-03/msg00272.html (6,435 bytes)

40. Re: [Amps] Transformers in series (score: 1)
Author: "Barrie Smith" <barrie@centric.net>
Date: Sat, 11 Mar 2006 20:10:25 -0700
Well, now I remember that! _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2006-03/msg00274.html (8,141 bytes)

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