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281. [AMPS] (no subject) (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 03:04:15 -0700
? It's almost as if they are so mad they can't see straight. - cheers, Terry. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html
/archives//html/Amps/1999-06/msg00369.html (7,273 bytes)

282. [AMPS] Purpose of components on SB-1000 (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 03:37:37 -0700
? With a thoriated-tungsten cathode, there is virtually no increase in output if the filament potential is increased above what is needed to secure maximal PEP. The technique for adjusting filament
/archives//html/Amps/1999-06/msg00370.html (9,843 bytes)

283. [AMPS] Purpose of components on SB-1000 (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 04:24:37 -0700
? the discussion was about using a rheostat in the primary of the filament transformer. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/am
/archives//html/Amps/1999-06/msg00373.html (8,542 bytes)

284. [AMPS] parasites prove it? (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 06:27:03 -0700
? I recommend using a 3" dia. resistance-wire suspended loop to dampen the output compartment resonance, esp. in the TL-922, 3K-A and 2K-4. ? However, one would still have to deal with the anode-cir
/archives//html/Amps/1999-06/msg00379.html (9,042 bytes)

285. [AMPS] Personnel depts. etc. (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 06:27:06 -0700
? In any debate, that which goes around eventually comes around. cheers, Len Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html S
/archives//html/Amps/1999-06/msg00380.html (7,050 bytes)

286. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 06:41:23 -0700
? Eimac rates the 3-500Z at 400mA max. for linear service and 65w drive. My advice is to believe it. The 550mA figure may have come from one of our recognized "experts". 200mA of Ig is within the Ei
/archives//html/Amps/1999-06/msg00382.html (9,657 bytes)

287. [AMPS] Question on 3-500Zs (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 07:01:27 -0700
? There are apparently several plants in China that produce 3-500Zs, so there may be some variation. However, those sold by RF Parts reportedly require approx. the same bias as Eimac 3-500Zs. // I w
/archives//html/Amps/1999-06/msg00384.html (7,541 bytes)

288. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 07:29:59 -0700
? I have heard an AL80 driven by 100W. The splatter was noticeable to everyone in the vicinity. ? No additional stress on tube. Additional stress on stations trying to communicate on adjacent freque
/archives//html/Amps/1999-06/msg00385.html (10,315 bytes)

289. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 10:09:40 -0700
Doug -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.
/archives//html/Amps/1999-06/msg00392.html (8,993 bytes)

290. [AMPS] parasites prove it? (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 10:09:37 -0700
? Mr. Magro: Are you prepared to discuss Mr. Rauch's contention that in a VHF parasitic-suppressor standard AC circuit-analysis can not be used to determine current division?. Rich... R. L. Measures
/archives//html/Amps/1999-06/msg00393.html (8,565 bytes)

291. [AMPS] Re: ?? on 3-500Zs (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 10:10:20 -0700
? A friend of mine tried one Tritons and the anode-cooler spotwelds reportedly weakened and broke -- just like later production Varian/Eimac 3-500Zs. The Chinese tubes I inspected had good spotwelds
/archives//html/Amps/1999-06/msg00394.html (8,044 bytes)

292. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 11:51:56 -0700
? Semi-agreed. However, under full drive, the grid/cathode potential is typically110v-peak, or 78V-rms. Grid dissipation is approx. 0.15a x 78v = 11.7w. The rated grid-dissipation is 20w. Rich... R.
/archives//html/Amps/1999-06/msg00397.html (9,304 bytes)

293. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 15:48:12 -0700
? anode/plate current exceeded the manufacturer's limit. ? An approx. value. Depends on anode supply potential. ? I have run a 3-500z grid so hot it glowed, and no damage was done. With no gold plat
/archives//html/Amps/1999-06/msg00401.html (9,735 bytes)

294. [AMPS] Finally - a real amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 11 Jun 1999 22:42:16 -0700
Reduce VHF amplification by reducing VHF Q. . Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com
/archives//html/Amps/1999-06/msg00406.html (11,699 bytes)

295. [AMPS] amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 13 Jun 1999 10:18:55 -0700
? I see no reason why a less hefty supply wouldn't work ok if you don't object to using a tuning-pulser to tune-up. After a conversation with Peter Dahl about the nature of hipersil cores, I went wi
/archives//html/Amps/1999-06/msg00412.html (8,533 bytes)

296. [AMPS] amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 14 Jun 1999 03:13:19 -0700
? agreed. A switcher supply of this size might turn out to be akin to Pandora's box. . Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/amp
/archives//html/Amps/1999-06/msg00424.html (8,178 bytes)

297. [AMPS] I wonder (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 14 Jun 1999 08:46:32 -0700
Jon -- ? you check out CVs too? ? ... some would rather whine. ? However, from mud-slinging, one may be able to discern who prevaricated, and learn who abets the practice. . . - later, Jon Rich... R.
/archives//html/Amps/1999-06/msg00432.html (8,093 bytes)

298. [AMPS] TL-922 Filament Transformer Protection (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 14 Jun 1999 08:46:33 -0700
? On 10m, with too much L-sup, high anode supply potential, and AØ/NØN, R-sup can melt-down. However, when R-sup fails on 15m, 20m, 40m or 80m, there is seemingly no way that enough fu
/archives//html/Amps/1999-06/msg00433.html (10,411 bytes)

299. [AMPS] 3CX800 (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 14 Jun 1999 09:06:28 -0700
? For FM service, the rated max. cathode current is 0.6A. Anything more than that might cause cathode flaking. To see if there's any flaking, one can use a high-pot. to measure the leakage potential
/archives//html/Amps/1999-06/msg00435.html (8,355 bytes)

300. [AMPS] TL-922 Filament Transformer Protection (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 14 Jun 1999 09:38:17 -0700
? good point ? agreed. ? the R-sups in the 922 receive cool forced air and they are virtually HF-shorted by silver straps. Does it seem likely that lower-band RF could damage these resistors? - chee
/archives//html/Amps/1999-06/msg00437.html (9,911 bytes)

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