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References: [ +from:jtml@lanl.gov: 562 ]

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141. [AMPS] Rf models (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 14 Sep 2000 19:36:44 -0600; Very well stated, Fred. And I am glad to hear somewhat of a consensus among the writers here, that what you put in is what you get out, with circuit modelling. An inductor is only as good as the mode; /archives//html/Amps/2000-09/msg00737.html (8,315 bytes)
142. [AMPS] shortwave Tx (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Fri, 15 Sep 2000 14:27:55 -0600; Article from Radio World, see www.rwonline.com -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-; /archives//html/Amps/2000-09/msg00782.html (15,334 bytes)
143. [AMPS] 833 (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Tue, 19 Sep 2000 09:22:42 -0600; The 833 triode has been and always will be a strong memory of what got me into this biz in the first place. As a teenager I was next door neighbor with the general manager of the local 500 watt dayti; /archives//html/Amps/2000-09/msg00868.html (7,442 bytes)
144. [AMPS] graphite (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Sat, 23 Sep 2000 21:27:19 +0100; I remember seeing reports in Proc of IRE from years ago (30's, 40's maybe?) from RCA on using graphite anodes. I'll have to do some searching next week to get exact references and some explanation fr; /archives//html/Amps/2000-09/msg00965.html (7,433 bytes)
145. [AMPS] Siemens Power Tubes (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Tue, 26 Sep 2000 12:21:24 -0600; Mike Siemens grid tubes was acquired by the French Thomson company on July 3. The Berlin production line is moving to Thonon, France, not far from Geneva. The RS1026 triode didn't exist in my 1987 da; /archives//html/Amps/2000-09/msg01059.html (9,341 bytes)
146. [AMPS] UltraRF (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 28 Sep 2000 10:28:00 -0600; Sunnyvale, CA company Spectrian (former MMD - Microwave Modules and Devices in the 1980s) has spun off their semiconductor manufacturing into UltraRF. Spectrian supples RF power modules to the wirele; /archives//html/Amps/2000-09/msg01155.html (8,966 bytes)
147. [AMPS] another book you should have (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 28 Sep 2000 12:53:37 -0600; For the self-taught or formally-trained experts on this forum who have vacuum electron tube material knowledge, ignore this note. For those interested, there is an out of print book which pretty much; /archives//html/Amps/2000-09/msg01162.html (11,528 bytes)
148. [AMPS] 3CX800A7 and 5C22 question (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Wed, 16 Aug 2000 08:59:29 -0600; Thanks, Tom Hix (W4TH), for posting the letter from CPI/Eimac Marketing VP on the 3CX800A7 status. Sure beats hearsay and rumors to hear it from the horses mouth. I recently had a bad experience with; /archives//html/Amps/2000-08/msg00303.html (7,322 bytes)
149. [AMPS] Freeband?? (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 31 Aug 2000 09:36:16 -0600; This summer I listened to 27-29 MHz a bit, for DX, and noted that the Freeband concept is alive and splattering. What is really astounding to me is how horrible the audio and the RF quality of many o; /archives//html/Amps/2000-08/msg00577.html (6,987 bytes)
150. [AMPS] RF power calibration (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 27 Jul 2000 09:46:27 -0600; Having worked for Delta Electronics, Inc. in Virginia, a long time ago, I remember that we had an in-house RF calibration system approved by the FCC. We built RF ammeters for MW broadcasting, and the; /archives//html/Amps/2000-07/msg00181.html (7,924 bytes)
151. [AMPS] source (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Fri, 9 Jun 2000 13:37:11 -0600; Seimens surge voltage protector business was renamed or bought out by Epcos. They should have the spark gaps you need. http://www.epcos.com 800 689-3717 Same city as Seimens office, Iselin, New Jerse; /archives//html/Amps/2000-06/msg00089.html (6,446 bytes)
152. No subject (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Wed, 1 Mar 2000 09:31:27 -0700; Hi Jon and all, I have had acceptable results with Nichrome wire as the resistive part of parasitic suppressors in FM broadcast transmitters using the 4CX3500A up to about 5500 watts CW. Probably hun; /archives//html/Amps/2000-03/msg00009.html (7,261 bytes)
153. [AMPS] 2nd harmonic pumped parasitic (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 2 Mar 2000 08:23:20 -0700; Designing a cylindrical power amplifier cavity at 100 MHz, using the 4CX3500A tetrode series (also tried the 3000A and the 5000A tubes), I 'picked' a geometry which supported a mode near the 2nd harm; /archives//html/Amps/2000-03/msg00043.html (11,022 bytes)
154. [AMPS] reply on connectors and VHF (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Fri, 3 Mar 2000 16:27:40 -0700; Yikes, Larry Sez: Now! I don't know about 18 kV of RF on spade lugs, unless you put some pretty good goop around the whole thing...... on another seemingly endless topic: Actually the standard test I; /archives//html/Amps/2000-03/msg00123.html (9,805 bytes)
155. [AMPS] interlocks (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Mon, 6 Mar 2000 14:32:54 -0700; A simple way I have used to make sure that connector is in place: (Used with the 40 kV Rowe and Caton connectors, arc over is costly. These connectors have an RTV rubber insulation which is compresse; /archives//html/Amps/2000-03/msg00294.html (7,690 bytes)
156. [AMPS] QRN (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Tue, 7 Mar 2000 08:25:49 -0700; The noise on the AMPS@CONTESTING list has gotten so high that I need to QRP for awhile. Overnight I got seven digests with contents like this: Re: [AMPS] Re: Poor Science I work on RF power systems f; /archives//html/Amps/2000-03/msg00379.html (10,468 bytes)
157. No subject (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Mon, 7 Feb 2000 15:21:13 -0700; Question: I apologize if I already asked this once, but does anyone know the ratings for EDAL 100N150HH high voltage rectifier stick. Its about 0.75 x 0.75 x 7.5 inches long (18.5 x 18.5 x 191 mm). J; /archives//html/Amps/2000-02/msg00098.html (7,044 bytes)
158. [AMPS] interesting SS amps (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Tue, 15 Feb 2000 13:07:08 -0700; Dr. Hiroaki Ikeda in Tokyo has been a long time developer of high power solid state amplifiers for broadcast. I met him in 1980, at a conference, when he was pushing MOSFETS from Hitachi and NEC to d; /archives//html/Amps/2000-02/msg00259.html (9,639 bytes)
159. [AMPS] 'new' textbook (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Wed, 16 Feb 2000 09:11:01 -0700; High Power Microwave Tube Transmitters is a 385 page text written by William North. This is one of the best authorative manuals on the theory and practice of large tube RF power systems, modulators,; /archives//html/Amps/2000-02/msg00282.html (7,494 bytes)
160. [AMPS] SS amps (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Wed, 16 Feb 2000 10:37:35 -0700; A few years ago we built a solid state amp (tubes are still my favorite, but sometimes you cannot even find them to do what you need) that outputs 2 Kw CW into 50 Ohms, at 805 MHz. It never has been; /archives//html/Amps/2000-02/msg00288.html (8,316 bytes)

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