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References: [ +from:wlfuqu00@pop.uky.edu: 110 ]

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61. [AMPS] FA:Lunar-Link 222 MHz 1.5KW RF DECK <<NR!>> (score: 1): Author: Wlfuqu00@pop.uky.edu (William Fuqua); Date: Tue, 21 Dec 1999 17:01:20 -0500; That reminds me. I have a 200Mhz amp (pulse) with a special version of an 8877 (no fins) in it and a solid state 80 watt driver amplifier. Have no idea what to do with it. The tube has an aluminum ri; /archives//html/Amps/1999-12/msg00332.html (7,448 bytes)
62. [AMPS] 2 tone intermod test (score: 1): Author: Wlfuqu00@pop.uky.edu (William Fuqua); Date: Wed, 24 Nov 1999 16:31:12 -0500; I have not had time to read over all e-mails having to do with two tone testing. However, it would be nice if one could combine two 25watt RF sources to produce 100 watts PEP with out introducing non; /archives//html/Amps/1999-11/msg00468.html (10,346 bytes)
63. [AMPS] Question about "Carbonization" during arcing (score: 1): Author: Wlfuqu00@pop.uky.edu (William Fuqua); Date: Fri, 26 Nov 1999 13:15:22 -0500; I have seen the black residue and it looks like carbon. But, how do we get carbon on the capacitor plates when they are made of copper or aluminum or other materials that don't contain carbon? Could; /archives//html/Amps/1999-11/msg00508.html (7,070 bytes)
64. [AMPS] Amp with 12 8122 (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Sat, 02 Oct 1999 20:42:40 -0400; I just got an amplifier from an ESR spectrometer that is a distributed amp with a dozen 8122 and weighs 140 lbs. It is rated for 200 watts CW from 1Mhz to 200Mhz. The amp is a 200L made by Amplifier; /archives//html/Amps/1999-10/msg00059.html (7,182 bytes)
65. [AMPS] YU-116 (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Sat, 02 Oct 1999 20:58:03 -0400; Finally found out what a YU-116 is. It is a 8877 with out fins for pulse cavity amplifier applications. I guess that they were not used much. 73 Bill -- FAQ on WWW: http://www.contesting.com/ampsfaq.; /archives//html/Amps/1999-10/msg00060.html (6,531 bytes)
66. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Tue, 5 Oct 1999 09:07:34 -0400 (EDT); Just bought a HB amplifier. A pair of 4-400 in GG. It looks very nice but a few things I see need to be changed. This one is just fine except for the following: 1. Clip on plate caps of the type usua; /archives//html/Amps/1999-10/msg00187.html (9,715 bytes)
67. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Tue, 05 Oct 1999 22:20:09 -0400; This has a muffin fan. But I guess he did not run it at higer powers. Glowing plates. The main problem being the heat conduction thru the plate lead to the seal. I'm concerned about cracking the sea; /archives//html/Amps/1999-10/msg00216.html (11,489 bytes)
68. [AMPS] VHF and 8122 (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Wed, 6 Oct 1999 16:41:26 -0400 (EDT); Well it seems ashame to sell the dozen 8122's in this amplifier and discard the VHF bypassed sockets and teflon chimneys. Maybe the thing to do is to make a few VHF amplifiers. Has anyone had experie; /archives//html/Amps/1999-10/msg00238.html (7,734 bytes)
69. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Thu, 7 Oct 1999 08:32:34 -0400 (EDT); Ok so much for the personal insults. If you wish to do that e-mail me in directly and I'll either ignore it or reply. That is one thing I really don't like about this list. I asked for opinions? I ha; /archives//html/Amps/1999-10/msg00247.html (10,439 bytes)
70. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Thu, 7 Oct 1999 09:51:44 -0400 (EDT); I got an urgent call from the office and planned to save the previous e-mail and finish it when I returned. However, in my haste to leave, I hit the send button by accident. I'll wish to continue: I; /archives//html/Amps/1999-10/msg00250.html (10,507 bytes)
71. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Thu, 07 Oct 1999 22:03:11 -0400; I have not seen it either. I have seen the EIMAC ad however. Also an earlier ad with a hole melted in the anode of a 250TH I think. If no one on this list has seen a hole sucked in the side of a tube; /archives//html/Amps/1999-10/msg00274.html (9,795 bytes)
72. [AMPS] New tubes for the collection (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Fri, 8 Oct 1999 08:10:13 -0400 (EDT); I saw some neat old power triodes at a ham fest and could not resist picking up a pair. Only $2 each. These probably have about 1KW plate dissipation is my guess. They are Amprex 8002. On the attache; /archives//html/Amps/1999-10/msg00290.html (7,462 bytes)
73. [AMPS] New tubes for the collection (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Fri, 8 Oct 1999 08:13:10 -0400 (EDT); Sorry, misspelled Amperex. William L. Fuqua III P.E. E-mail WLFUQU00@POP.UKY.EDU Phone (606) 257-4155 Department of Physics and Astronomy CP-177 Chem. Phys. Bldg. University of Kentucky , Lexington,; /archives//html/Amps/1999-10/msg00291.html (6,964 bytes)
74. [AMPS] Specs for UCSX-500A (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Sun, 19 Sep 1999 18:19:40 -0400; I need the voltage rateing for a UCSX-500A vacuum variable. I am guessing it is between 7.5KV and 15 KV. It does not have any other numbers associated with the part number. TNX ES 73 Bill wa4lav -- F; /archives//html/Amps/1999-09/msg00172.html (6,811 bytes)
75. [AMPS] Silver Plating (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Wed, 22 Sep 1999 14:58:40 -0400 (EDT); It seems that silver's conductivity is only 6 to 11 percent better than copper. And the skin depth of silver and copper at 100Mhz is about .00026 inches. So to get the entire 6 to 11 percent improvem; /archives//html/Amps/1999-09/msg00220.html (8,330 bytes)
76. [AMPS] YU-116 data (score: 1): Author: wlfuqu00@pop.uky.edu (Bill Fuqua); Date: Tue, 28 Sep 1999 19:29:51 -0400; Does anyone have data on a EIMAC YU-116 triode? I have an amplifier that has one and it looks a lot like a 8877 with out fins. Please send me what info you may have. 73 Bill wa4lav -- FAQ on WWW: htt; /archives//html/Amps/1999-09/msg00302.html (6,620 bytes)
77. [AMPS] YU-116 info (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Wed, 29 Sep 1999 12:29:28 -0400 (EDT); I am still in need of info for a YU-116 made by EIMAC. It looks like a 8877 except taller and no fins and is used in a grounded grid amplifier for 200MHz from an electron spin spectrometer. I don't w; /archives//html/Amps/1999-09/msg00316.html (6,934 bytes)
78. [AMPS] Re:(AMPS) sb-200 troubles (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Wed, 11 Aug 1999 13:19:11 -0400 (EDT); This is more than just a safety choke. With out it the small leakage current thru the Plate blocking capacitor would would charge up the output capacitor to full plate DC voltage on top of which will; /archives//html/Amps/1999-08/msg00208.html (9,202 bytes)
79. [AMPS] 4E27's in grounded Grid operation (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Mon, 16 Aug 1999 15:17:37 -0400 (EDT); I would like to hear from those of you that have used 4E27's in grounded grid operation. I found a military amplifier for 70 to 100 MHz that had the tank coils removed, but most of it is still there.; /archives//html/Amps/1999-08/msg00275.html (7,254 bytes)
80. [AMPS] 4-400 and 4-1000 curves (score: 1): Author: wlfuqu00@pop.uky.edu (William L. Fuqua III); Date: Thu, 8 Jul 1999 11:32:05 -0400 (EDT); Has anyone ever seen characteristic curves for triode connected tetrode tubes such as 4-400's or 4-1000's? If so, where may I get them? These are often used as triodes but I have never seen anything; /archives//html/Amps/1999-07/msg00133.html (7,096 bytes)

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