Search String: Display: Description: Sort:

Results:

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

Total 2110 documents matching your query.

321. [AMPS] Solid-state relay question (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 20 Jun 1999 10:53:56 -0700
? In a C-filter supply using a 2400VA transformer with a 240v primary, the recurrent peak mains current could be over 100A if the secondary R is low. Have you measured it?. - later, Vic Rich... R. L
/archives//html/Amps/1999-06/msg00538.html (7,693 bytes)

322. [AMPS] Solid-state relay question (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 20 Jun 1999 14:08:58 -0700
source lost my working ? excellent shorting ? putting a 100 to 500 ohm, 100w resistor in series with a shorting stick might avoid damaging the amplifier. - later, Vic Rich... R. L. Measures, 805-386
/archives//html/Amps/1999-06/msg00541.html (8,297 bytes)

323. [AMPS] Looking for Teflon Tubing for #10 and #12 Wire (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 20 Jun 1999 16:27:55 -0700
well for winding toroids, provided you have a helper. I secure the ends with plastic cable ties. The best RF-wrap for toroid cores is silicone-rubber self-adhesive tape. Plymouth Rubber, Inc. makes
/archives//html/Amps/1999-06/msg00545.html (7,858 bytes)

324. [AMPS] Testing for Balanced Output from antenna Tuner (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Sun, 20 Jun 1999 21:23:31 -0700
? A brief description would be appreciated. ? A T-network is unbalanced. The balanced Pi and the balanced L matching networks should work well with a 50-ohm balun on the input to the network, matchi
/archives//html/Amps/1999-06/msg00549.html (7,883 bytes)

325. [AMPS] Two EHT Transformers (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 21 Jun 1999 08:24:16 -0700
? Surely, if the insulation is up to it. ? Only a measurement with a high-potential leakage tester can provide the answer. - good luck, Mike Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com
/archives//html/Amps/1999-06/msg00558.html (7,852 bytes)

326. [AMPS] Parasitics (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 22 Jun 1999 00:22:39 -0700
? Bzzzzzzt. You said no suppression. 813s have built-in VHF suppression. No fair! ? Where is the screen resonance? What is the rated feedback-C for a YC-156? ? I have never heard of a 4-1000A amplif
/archives//html/Amps/1999-06/msg00569.html (9,778 bytes)

327. [AMPS] FCC at Field Day? (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 22 Jun 1999 04:02:07 -0700
? As long as there is no FCC rule against drunk operating, there should be no problem. 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/msg00571.html (7,110 bytes)

328. [AMPS] Dentron GLA-1000 Filter Capacitors (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 22 Jun 1999 22:53:47 -0700
Surely, provided the rated working voltage is not exceeded during RX. For 1600wv, you can retrofit 4, 400wv-rated units in series - later, Bill Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.
/archives//html/Amps/1999-06/msg00586.html (7,579 bytes)

329. [AMPS] Parasitics (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 22 Jun 1999 22:53:49 -0700
? Amen, Dick. 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-R
/archives//html/Amps/1999-06/msg00587.html (8,214 bytes)

330. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 07:43:07 -0700
? If the anode supply were regulated, there would be no PEP difference between a dead carrier and SSB. . ? In my experiences, any advertisement that contains the word "True" should be treated with c
/archives//html/Amps/1999-06/msg00595.html (9,495 bytes)

331. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 08:23:46 -0700
? ... only if the anode-supply is regulated. For a garden-variety amplfier with an unregulated anode-supply, an oscilloscope indicates more RF peak volts at the beginning of a dash than it does at t
/archives//html/Amps/1999-06/msg00598.html (10,614 bytes)

332. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 08:23:50 -0700
? I saw a 115v, wet-dry shop vacuum cleaner with a "4.6 Peak Horsepower!" rating. At 746w/horsepower, even assuming 100% efficiency, that's alot of amperes for a standard 20A ac outlet. My guess is
/archives//html/Amps/1999-06/msg00599.html (9,682 bytes)

333. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 08:49:56 -0700
? peak power is related to anode supply volts. When the anode begins to draw heavy current, the charged filter C initially delivers a bit more volts for a mS or so.. ? HV sag depends on duty cycle.
/archives//html/Amps/1999-06/msg00600.html (10,035 bytes)

334. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 11:48:17 -0700
? depends on HV sag. ? To do this, all supply potentials to the tube must be regulated. ? no. In the real world, I would bet that given the few hundred volt sag ? With light loads, the filter C esse
/archives//html/Amps/1999-06/msg00606.html (15,017 bytes)

335. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 13:35:02 -0700
? ? ? WARNING This reply is too long. ? hardly amusing ? The bottom-line is that less anode-supply volts makes less suds. ? Depends on the amplifier. Depends on the microphone gain setting. ? &iquest
/archives//html/Amps/1999-06/msg00608.html (17,028 bytes)

336. [AMPS] TV Doorknobs as Plate Blockers (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 22:44:57 -0700
? There are no current ratings. Some can handle RF current. Some not. . Thus, the only way to find out how much current they can safely handle is to conduct a heating test. I do the test on 1.8MHz (
/archives//html/Amps/1999-06/msg00628.html (8,173 bytes)

337. [AMPS] Neutralizing HB amp (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 23 Jun 1999 22:45:00 -0700
? Is the grid roller inductor tuned for 1 to 1 input SWR? Due to the screen resonance at 25MHz in the 4-1000a, 'tis best to neutralize at 21MHz. Do you have a substitute resistance connected from th
/archives//html/Amps/1999-06/msg00629.html (7,774 bytes)

338. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 07:31:55 -0700
? Indeed, indeed. . Happy New Year, Mr. Rauch. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.co
/archives//html/Amps/1999-06/msg00642.html (9,346 bytes)

339. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 07:40:31 -0700
? Tom is apparently talking about indicated anode current for a g-g triode, with the same amount of cathode drive, when anode supply volts decrease. . . - cheers Rich... R. L. Measures, 805-386-3734
/archives//html/Amps/1999-06/msg00643.html (9,479 bytes)

340. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 08:05:29 -0700
? My guess is that we agree on more than he admits to in public. A persistent impediment seems to be in trying defend his statement regarding recognized amplifier experts in the Sept. 1994 *QST*. Ri
/archives//html/Amps/1999-06/msg00649.html (9,484 bytes)

Current List: 321 - 340
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