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81. [AMPS] Re: Norm's Circuit (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 1 Jan 2000 15:40:53 -0700; I measured the adjacent channel splatter that occurred when I heard Norm's voice Norm had several configurations of the screen circuit. My measurements of his amplifier took place around 1979. What; /archives//html/Amps/2000-01/msg00016.html (8,691 bytes)
82. [AMPS] Grid current: Rich's Rules of Engagement. (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 2 Jan 2000 11:25:03 -0700; I argue that the DAF produced roughly 1% distortion during on the air tests. Grid driven AB2 produces way more feculence than AB1 grid-driven. Please name three. 7ma of grid current is Class C. For; /archives//html/Amps/2000-01/msg00023.html (10,221 bytes)
83. [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 2 Jan 2000 16:49:34 -0700; ? I have never been the king of anything. I will never be convinced that grid-current does not effect linearity in a grid-driven current. I will never be convinced that the 3/2 power law is wrong. c; /archives//html/Amps/2000-01/msg00029.html (8,813 bytes)
84. [AMPS] Titan 425 Question (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 2 Jan 2000 21:09:32 -0700; Firstly, I would try to determine if the problem is in the tubes or in the amplifier. To make this determination, I would test the tubes for abnormal leakage. To do this you need a +/- 5kV high-pot; /archives//html/Amps/2000-01/msg00031.html (8,790 bytes)
85. Fwd: [AMPS] Titan 425 Question (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 2 Jan 2000 23:25:18 -0700; To: <amps@contesting.com> Sag is usually an indicator of premature, primary grid-emission due to barium migration. What is the heater potential? thanks. cheers, Bob. - Rich..., 805.386.3734, www.vcn; /archives//html/Amps/2000-01/msg00034.html (8,688 bytes)
86. [AMPS] Titan 425 Question (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 2 Jan 2000 23:25:16 -0700; ? Personal experience with 3CX800A7s and the 425. cheers, Lane - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com; /archives//html/Amps/2000-01/msg00035.html (9,802 bytes)
87. [AMPS] Looking for dead 3cx800's (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 06:53:24 -0700; sorry. no leads. I have been trying to locate some duds for a long time. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: am; /archives//html/Amps/2000-01/msg00037.html (7,154 bytes)
88. [AMPS] Titan 425 Question (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 10:35:55 -0700; ? the most likely answer. It could also be the Tune-C padders because the current burden is virtually equal. To minimize tank drift, do not tune up locked key. Also, the 800a7 has to be derated from; /archives//html/Amps/2000-01/msg00043.html (12,790 bytes)
89. [AMPS] HL-2200 Mods (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 10:44:14 -0700; ? There were a flood of poorly-welded anodes during the last several years of production in SLC. One look at the spotwelds revealed that the problem was simply not enough amps. Chinese metal-cooler; /archives//html/Amps/2000-01/msg00044.html (7,133 bytes)
90. [AMPS] 8877 amp failure (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 17:31:35 -0700; also. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://w; /archives//html/Amps/2000-01/msg00058.html (7,224 bytes)
91. [AMPS] Titan 425 Question (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 17:31:33 -0700; I was shocked when they said they did not want VHF suppressors to get hot at 28Mhz. There are apparently few people who understand the significance of RF current. Consider the number of ham radio am; /archives//html/Amps/2000-01/msg00059.html (10,288 bytes)
92. SV: SV: [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 18:13:56 -0700; Rich. ? Grid-current in a grid driven configuration causes distortion. Varying screen potential causes distortion. The 3/2 power law is the real deal. . Any argument that says otherwise is undoubted; /archives//html/Amps/2000-01/msg00060.html (8,712 bytes)
93. SV: SV: [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 18:13:54 -0700; ? grid current is not allowed in AB1. The tube consumes virtually no driving power in Class AB1 because grid-current does not flow at any time during the cycle. . fixed. . I do not agree. In AB1, th; /archives//html/Amps/2000-01/msg00061.html (11,630 bytes)
94. [AMPS] The Dreaded DAF Buck Shot Machine??? (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 3 Jan 2000 23:08:03 -0700; Yes. However, DAFers have tried to deny that Norm actually had one. No. I only remember the splatter, the denial, and the cave in. . He eventually realized that the splatter reports were accurate an; /archives//html/Amps/2000-01/msg00069.html (9,230 bytes)
95. [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 01:03:38 -0700; ? "I can believe anything, provided it is incredible." -- Oscar Wilde cheers - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@; /archives//html/Amps/2000-01/msg00070.html (8,429 bytes)
96. [AMPS] Super Tuner (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 02:07:33 -0700; .... good for lighting the barbee. Two samples reportedly caught fire in the ARRL Lab at under 1000w. . Delrin roller coil forms appear to be somewhat self incinerating in the presence of RF. If you; /archives//html/Amps/2000-01/msg00072.html (8,136 bytes)
97. [AMPS] Dentron Super Tuner (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 07:43:46 -0700; If you have an early model, it does not use Delrin. No Delrin and you are not going to be starting any barbeques. As I understand it, Elliot, Inc. switched from ceramic to Delrin without checking on; /archives//html/Amps/2000-01/msg00079.html (7,361 bytes)
98. SV: SV: [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 10:43:15 -0700; reactance????? Yes. . well put, George - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests; /archives//html/Amps/2000-01/msg00086.html (9,409 bytes)
99. SV: SV: [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 10:43:17 -0700; reactance????? one develops volts not watts. George's explanation is good. No - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps; /archives//html/Amps/2000-01/msg00087.html (8,199 bytes)
100. R: SV: SV: [AMPS] Final.. (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 4 Jan 2000 10:52:48 -0700; The duty-cycle for SSB is pretty low, so the grid-termination resistor can be pretty smsll. Another factor is that tetrodes with handles typically have much air going through the vicinity. burning u; /archives//html/Amps/2000-01/msg00088.html (9,712 bytes)

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