Mail Archive Search: <+from:2@vc.net>

Results:

References: [ +from:2@vc.net: 2599 ]

Total 2599 documents matching your query.

341. [AMPS] New to the Amps list (score: 1): Author: 2@vc.net (2); Date: Tue, 22 Jan 2002 12:43:17 -0800; // At what frequency is it neutralized on, Mr. Rauch? // Clipperton syndrome appears to be partly the result of mounting the input bandswitch wafer and the output bs wafer within 2cm of each other w; /archives//html/Amps/2002-01/msg00174.html (9,086 bytes)
342. [AMPS] GOOD FOR A LAUGH! I can't believe this. (score: 1): Author: 2@vc.net (2); Date: Wed, 23 Jan 2002 08:45:48 -0800; This is actually a pretty common problem on DXpeditions to HE1L that last more than just a few hours. Another problem is HV electrolytic capacitor failure due to the extreme temperature. cheers - R.; /archives//html/Amps/2002-01/msg00185.html (8,131 bytes)
343. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Sun, 2 Dec 2001 11:18:00 -0800; // Tanks are ordinarily tuned for max. outout. Typical anode-C is <15pF, so even a 100PF DC blocking C would have minimal effect at HF. Also, RF-rated titanium-dioxide capacitors do not consume noti; /archives//html/Amps/2001-12/msg00006.html (11,202 bytes)
344. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Sun, 2 Dec 2001 16:13:23 -0800; // Score one slam dunk for Mr. Rauch. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrati; /archives//html/Amps/2001-12/msg00010.html (10,775 bytes)
345. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 06:45:54 -0800; Yes, however the resistance presented to the electron-tube is the main game. Reactance can be tweaked with C-tune and C-load. // Which is no problem when C-tune and C-load are adjustable. - R. L. Me; /archives//html/Amps/2001-12/msg00017.html (10,188 bytes)
346. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 06:46:15 -0800; // Yea, verily. // Excellent points. The popular ITT/Jenning/Centralab 1000pF /5kV 50 - 58 (smaller-series) doorknob cap is rated to carry 3.7A-rms at 30 MHz. The 100pF version is good for 9.2A-rms.; /archives//html/Amps/2001-12/msg00018.html (12,378 bytes)
347. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 07:01:47 -0800; // Microsoft Outlook Express is undoubtedly a source of distress. Dollar Bill Gates' software tends to be bad news and much of it is not intuitive/easy to use. A modern OS is clearly needed. "There; /archives//html/Amps/2001-12/msg00019.html (9,035 bytes)
348. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 07:01:50 -0800; // But Tom, you are going against a cherished tradition. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesti; /archives//html/Amps/2001-12/msg00020.html (9,432 bytes)
349. [AMPS] "Work around" for Stupid Question! (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 10:08:14 -0800; ? A horse a buggy altogether eliminates the need to purchase gas/petrol. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submission; /archives//html/Amps/2001-12/msg00029.html (6,784 bytes)
350. [AMPS] Alpha 374A (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 10:08:16 -0800; Does the 1000MP lack an RF outout control? - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Adminis; /archives//html/Amps/2001-12/msg00030.html (7,390 bytes)
351. [AMPS] High filament voltage etc (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 13:14:05 -0800; The 4cx400 has a heater-type cathode. When the heater V is high, barium-oxide migrates from the cathode to the grids. This is not good. cheers, Doug - R. L. Measures, 805.386.3734,AG6K, www.vcnet.co; /archives//html/Amps/2001-12/msg00037.html (7,293 bytes)
352. [AMPS] Another Stupid Question (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 13:14:09 -0800; // The Red Herring Card. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests:; /archives//html/Amps/2001-12/msg00038.html (12,061 bytes)
353. [AMPS] Alpha 374A (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 13:14:11 -0800; Autopsy shows that the 8874 grid is not damaged by overdrive. The damage is to the cathode's emissive coating - which flakes and shorts the grid. /photo of flaked cathode in "Parasitics Revisited",; /archives//html/Amps/2001-12/msg00039.html (9,274 bytes)
354. [AMPS] AL1500 (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 15:31:07 -0800; // The AL-1500 is seemingly capable of VHF or UHF parasitic oscillation. The AL-1500 is - to my knowledge - the only commercially manufactured 8877 HF amplifier that does not use a parasitic suppres; /archives//html/Amps/2001-12/msg00043.html (8,105 bytes)
355. [AMPS] Alpha 374A (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 15:31:08 -0800; // Taking care means don't exceed 350mA of I-anode per bottle in AØ mode. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Su; /archives//html/Amps/2001-12/msg00044.html (8,065 bytes)
356. [AMPS] AL1500 (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 21:43:30 -0800; // As I understand it, the grid-protect circuit does not prevent gold-sputtering, a major cause of 8877 fatality. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http; /archives//html/Amps/2001-12/msg00063.html (8,756 bytes)
357. [AMPS] AL1500 (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 21:43:35 -0800; What kind of noise? Tnx, Doug - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative reque; /archives//html/Amps/2001-12/msg00064.html (8,988 bytes)
358. [AMPS] Alpha 374A (score: 1): Author: 2@vc.net (2); Date: Mon, 3 Dec 2001 21:43:36 -0800; The A3J rating is 500mA. In other words, tune it up with a pulser or CW keyer. - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Subm; /archives//html/Amps/2001-12/msg00065.html (8,480 bytes)
359. [AMPS] AL1500 (score: 1): Author: 2@vc.net (2); Date: Tue, 4 Dec 2001 06:23:09 -0800; For some seemingly esoteric reason, 8877s and other tubes with a gold-plated, molybdenum grid make little noise when they sustain a parasitic. Sometimes an arc can be heard just before the electric; /archives//html/Amps/2001-12/msg00071.html (9,691 bytes)
360. [AMPS] AL1500 (score: 1): Author: 2@vc.net (2); Date: Tue, 4 Dec 2001 10:36:05 -0800; // WØID said that the 8877 manufacturing defect was produced for c. 14-months. // The last I heard, Ameritron/MFJ's engineer still claims that Eimac is at fault for 8877 failures in the AL-15; /archives//html/Amps/2001-12/msg00083.html (8,701 bytes)

Current List: 341 - 360
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]