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

Total 562 documents matching your query.

241. [AMPS] tube anode cap, etc. (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Thu, 14 Jan 1999 10:13:28 -0700; First, I have to comment on Jon's stark question: Isn't it nice? The way a mailing list ought to be.... This reflector is much like tuning across 20 meters sometimes. I suppose that's good, but it su; /archives//html/Amps/1999-01/msg00178.html (11,165 bytes)
242. [AMPS] Re: Amps Digest V2 #11 (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Mon, 18 Jan 1999 20:46:19 -0700; HV Connectors: I use Rowe and Caton connectors, which are larger than C or LC or N. They handle 20 kV easily at our altitude in New Mexico, at 5 Amperes or so. They cost a lot though, hundreds of $$.; /archives//html/Amps/1999-01/msg00263.html (6,728 bytes)
243. [AMPS] Photos of new RF power amplifier (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Thu, 21 Jan 1999 18:02:55 -0700; Fellow Amplifier Builders and Users: Thanks for all the replys offering Websites to store my amplifier photographs. My friend Gary, W3AM, has posted them on his website, http://www.w3am.com. Go down; /archives//html/Amps/1999-01/msg00302.html (7,077 bytes)
244. [AMPS] Mo' Big Amps (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Thu, 21 Jan 1999 22:40:01 -0700; CCA is declaring chapter 11 bankrupty right now, in a declining tube transmitter market. Sounds like a neat project, must weight a lot to ship though? I worked on a Sintronic (former Singer) transmit; /archives//html/Amps/1999-01/msg00306.html (10,351 bytes)
245. [AMPS] big or small amps, we're all hams (score: 1): Author: jtml@lanl.gov (John T. M. Lyles); Date: Mon, 25 Jan 1999 13:07:36 -0700; I realize that the heat may have passed, but I just wanted to comment on one sentence that I read this morning: The theory and practice of RF power amplifiers are identical, whether it's 100 watts or; /archives//html/Amps/1999-01/msg00385.html (10,980 bytes)
246. [AMPS] 851 triode (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Wed, 27 Jan 1999 23:15:10 -0700; I have this General Electric 851 triode that I mounted on a wooden base. The filament even lights up, on a 10 V transformer. It is a beautiful tube, as tubes go. I found data in an old RCA book, the; /archives//html/Amps/1999-01/msg00515.html (7,390 bytes)
247. No subject (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Sun, 6 Dec 1998 14:59:07 -0500 (EST); Hi, I have a few ideas in response to the comments from Peter and Dave (below): In RF power amplifiers "properly designed" for HF or VHF, the loading control may have range to match a variety of load; /archives//html/Amps/1998-12/msg00106.html (11,320 bytes)
248. [AMPS] SK300A socket improved for >50 Mhz (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Sun, 6 Dec 1998 15:11:09 -0500 (EST); Hi, This is a slight aside from the HF socket application, but: In 1983, I worked with the Eimac engineers, while at Broadcast Electronics, Inc, on an improvement in the SK300A series sockets, for th; /archives//html/Amps/1998-12/msg00107.html (9,015 bytes)
249. [AMPS] BeO dust hazards (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Mon, 5 Oct 1998 11:27:04 -0600; Hi all, BeO in tubes is mainly found in the conduction-cooled external anode types. Not in the alumina ceramic of the plate-body insulator ring for Eimac, RCA, Svetlana types. Alumina is great electr; /archives//html/Amps/1998-10/msg00019.html (7,047 bytes)
250. [AMPS] Re: Amps Digest V1 #639 (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Wed, 7 Oct 1998 10:08:13 -0600; Werlatone of Brewster, NY is an EXCELLENT source of hybrid combiners, splitter, directional couplers, etc for HF through VHF, at power levels from kW to 100 kW. We have used their stuff for years, an; /archives//html/Amps/1998-10/msg00051.html (7,618 bytes)
251. [AMPS] RFC info (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Tue, 2 Jun 1998 11:06:00 -0600; Yes, that's close. One would want to account for the inductive reactance of the choke, in the value of the first capacitor shunted with the tube capacitance. It reduces the capacitive reactance, bei; /archives//html/Amps/1998-06/msg00022.html (10,144 bytes)
252. [AMPS] big amps/low parasites (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Tue, 2 Jun 1998 18:49:54 -0600; On the parasitic suppression front, I have some very good data plotted now that show conclusively the effects of several suppressors on a 40 Mhz plate strap/cap parallel resonance, that is very stron; /archives//html/Amps/1998-06/msg00031.html (8,798 bytes)
253. [AMPS] more resistor measurements (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Wed, 3 Jun 1998 20:17:41 -0600; Dang it, now you got my curiosity about this resistor thing... I measured 3W metal oxide film resistors from DigiKey, cause I happen to have some. These values were measured on the Hp4193A vector Z m; /archives//html/Amps/1998-06/msg00048.html (10,925 bytes)
254. [AMPS] excitement around these parts (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Fri, 5 Jun 1998 17:48:30 -0600; Hi all, We're only a few days from pressing the FIL and HV button on our new power amp. It is installed in the final location, with a dummy load (500 Ohm each side), next to a proton accumulator ring; /archives//html/Amps/1998-06/msg00091.html (7,734 bytes)
255. [AMPS] GG vs GC operation (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Fri, 5 Jun 1998 18:08:39 -0600; At one of the National Association of Broadcasters conventions (1984) I presented a paper/talk on FM transmitter design, titled Transmitter Performance Requirements for Subcarrier Operation. While we; /archives//html/Amps/1998-06/msg00092.html (8,432 bytes)
256. [AMPS] RFC and Tank measurements (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Mon, 8 Jun 1998 09:24:08 -0600; Scott, Good Work! I'm happy that you made sense of the RFC and networks using swept analyzer. Thats the ticket. I wish that we could all afford those at home. But then again, Dick E. mentioned contes; /archives//html/Amps/1998-06/msg00112.html (7,124 bytes)
257. No subject (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Mon, 8 Jun 1998 09:28:04 -0600; I was wondering if: SB220 is the Volkswagen of amplifiers, always getting modified and worked on. (I still have my Vanagon running around). What's the Mercedes Benz? And the Plymoth? John K5PRO -- FA; /archives//html/Amps/1998-06/msg00113.html (6,747 bytes)
258. [AMPS] MWS wire catalog (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Mon, 8 Jun 1998 19:06:57 -0600; MWS wire in California has a website with a catalog of their magnet wire, Litz wire, and other products. Unfortunately, the resistance wire page is UNDER CONSTRUCTION. Might have some good info for R; /archives//html/Amps/1998-06/msg00117.html (6,754 bytes)
259. [AMPS] RF amplifier test (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Fri, 26 Jun 1998 13:17:42 +0100; Hi, I've been kind of busy turning on the 200 KW peak push-pull tetrode amplifier at 2.8 MHz. As project leader, there are numerous tasks beside just pressing the HV on button. Such as writing a deta; /archives//html/Amps/1998-06/msg00244.html (10,632 bytes)
260. No subject (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Sun, 28 Jun 1998 12:35:30 +0100; George T. Daughters, K6GTasked "i'd LOVE to know if the RF output would be the same (close?) if you To which Buddy Lumpkin replied: This is what I expect too. In class C or B it might change the wave; /archives//html/Amps/1998-06/msg00252.html (8,274 bytes)

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