Search String: Display: Description: Sort:

Results:

References: [ +from:measures@vc.net: 2110 ]

Total 2110 documents matching your query.

361. [AMPS] go figure/Murata (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 29 Jun 1999 13:25:39 -0700
Without a frequency spec., it can not be AC amperes. - cheers, Jon Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions
/archives//html/Amps/1999-06/msg00778.html (8,101 bytes)

362. [AMPS] Plate transformer, chimneys (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 2 May 1999 10:28:26 -0700
? An important factor with capacitor-filter supplies is the winding R of the transformer. Since FWD supplies require only half as many turns on the HV secondary winding as do FWB supplies, making a
/archives//html/Amps/1999-05/msg00009.html (8,266 bytes)

363. [AMPS] Plate transformer, chimneys (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 2 May 1999 18:04:26 -0700
reasonable ? However, amateur radio guys who go shopping for a Dahl Grade E-core hipersil transformer tend to act like aborigine guys when they go shopping for a new phallocarp. .-- i.e., they tend
/archives//html/Amps/1999-05/msg00011.html (8,396 bytes)

364. [AMPS] Purchase Recommendation? (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 2 May 1999 23:08:27 -0700
? ______ ? To evaluate parasitic history, measure the resistance of the parasitic suppressor resistors. ? People who use VOX are talking, Jon. People who use PTT transmit the sound of pressing the s
/archives//html/Amps/1999-05/msg00015.html (9,453 bytes)

365. [AMPS] PS question (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 01:24:58 -0700
There is free lunch. . Placing the choke in the CT elevates the CT above ground, thereby placing more stress in the insulation in the HV transformer. What is the indication that the choke is limited
/archives//html/Amps/1999-05/msg00022.html (7,525 bytes)

366. [AMPS] 3-500Z Grid Current Rating (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 05:51:24 -0700
This A close enough method: Measure peak cathode potential with an oscilloscope and probe. (typ value is 115v) Calculate the RMS value by multiplying by 0.707. Multiply by the indicated grid current
/archives//html/Amps/1999-05/msg00029.html (8,757 bytes)

367. [AMPS] Plate transformer, chimneys (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 05:51:26 -0700
? So it would seem. . However, the decrease in R with half as many turns required is better than what one might expect since fewer layers of paper lets one use a bit larger gauge of wire than would
/archives//html/Amps/1999-05/msg00030.html (8,451 bytes)

368. [AMPS] Bridge vs. Doubler (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 11:49:02 -0700
? What I am essentially saying is that for equal DC output voltages and currents using similar cores, a FWB winding has More than four times as much resistance as a FWD winding. ? depends on the los
/archives//html/Amps/1999-05/msg00040.html (10,929 bytes)

369. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 11:49:04 -0700
? To the best of my knowledge, the World Record for grid-fil. shorting brand-new 3-500Zs in under one day is currently shared by two 3K-A Henry Radio amplifiers. Both amplifiers reportedly shorted f
/archives//html/Amps/1999-05/msg00041.html (8,859 bytes)

370. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 4 May 1999 11:49:06 -0700
? I too own a 922. . Ever measured the resistance of the vhf suppressor resistors, Larry? - cheers Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contes
/archives//html/Amps/1999-05/msg00042.html (8,663 bytes)

371. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 00:55:40 -0700
? Four defective 3-500Z tubes with grid-fil. shorts from Eimac seems doubtful. If the tubes came with grid/fil shorts, where did the big-bang and fireworks come from? - - Always blame the other guy.
/archives//html/Amps/1999-05/msg00063.html (9,271 bytes)

372. [AMPS] Bridge vs. Doubler (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 00:55:43 -0700
? Your e-mailer application is not doing attribution marks correctly, Dave. ? Not a sound bet. ? with a DC ampmeter in series with the winding and one sees a DC current. Transformer are not at all h
/archives//html/Amps/1999-05/msg00064.html (10,456 bytes)

373. [AMPS] Amp Tuning (was 3-500Z Grid Current Rating) (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 00:55:46 -0700
? A Pi-network tank is Not the same animal as a parallel-resonant tank. A Pi-network is two L-networks in series. L-networks are never resonant. An enlightening dose of reality is to tune up a Pi-ne
/archives//html/Amps/1999-05/msg00065.html (8,477 bytes)

374. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 07:58:10 -0700
? With 216v input, the filament voltage in a stock TL922 is nearly ideal. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Subm
/archives//html/Amps/1999-05/msg00074.html (8,268 bytes)

375. [AMPS] NIH Syndrome (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 09:09:25 -0700
Some years ago I purchased a Japan Radio Densi transceiver. When the VOX gain was advanced beyond a certain point, the VOX circuit broke into oscillation -- even when the microphone was off. When I r
/archives//html/Amps/1999-05/msg00078.html (6,996 bytes)

376. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 5 May 1999 09:50:36 -0700
Larry ? It's kinda like checking the oil pan in a car engine for metal shavings. ? parasites are so fast they almost never damage the appearance of the suppressor resistors. ? sounds good. 48 amps of
/archives//html/Amps/1999-05/msg00079.html (8,923 bytes)

377. [AMPS] choice (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 6 May 1999 00:58:03 -0700
? ... your version, not mine. . The two events reportedly took place years apart in two 3K-A amplifiers. The tubes did not "blow up". They shorted the same day they were placed in service. The tubes
/archives//html/Amps/1999-05/msg00089.html (8,824 bytes)

378. [AMPS] Bridge vs. Doubler (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 6 May 1999 12:03:57 -0700
? agreed, Steve. As I understand it, the trade-offs are that the FWD filter requires twice as much capacitance and the FWB transformer typically needs about 1/3 more layers of paper insulation. // T
/archives//html/Amps/1999-05/msg00095.html (8,664 bytes)

379. [AMPS] =bfWebsite of N7WS=3f (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sat, 8 May 1999 09:09:04 -0700
A search of Web failed to turn up a site for Wes Stewart, N7WS. Does anyone have the URL? - thanks Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contest
/archives//html/Amps/1999-05/msg00112.html (7,015 bytes)

380. [AMPS] =bfWebsite of N7WS=3f (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sat, 8 May 1999 18:37:28 -0700
thanks, Warren 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 Administrative requests: amps-
/archives//html/Amps/1999-05/msg00118.html (7,462 bytes)

Current List: 361 - 380
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]
This search system is powered by Namazu