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Total 2110 documents matching your query.

341. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 08:05:31 -0700
? Different situations. 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 reques
/archives//html/Amps/1999-06/msg00650.html (10,829 bytes)

342. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 08:12:59 -0700
? With a g-g triode, somewhat proportionately. 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/msg00653.html (10,103 bytes)

343. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 09:27:56 -0700
? semi-agreed -- and more so with a grid-driven pentode. ? Rejoice not. Other issues are likely to persist. Examples: 1. Denial that standard AC circuit analysis is valid for R/L VHF parasitic suppr
/archives//html/Amps/1999-06/msg00655.html (11,045 bytes)

344. [AMPS] Another doorknob question: (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 09:58:21 -0700
? no ? it should fly ok at 1500w. . ? For a tuned circuit, one needs 750ppm/degree Celcius temp. coefficient or better. In >100pF units the dielectric is usually not temperature stable. Y5P dielectr
/archives//html/Amps/1999-06/msg00657.html (7,500 bytes)

345. [AMPS] Obtuse questions (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 13:54:01 -0700
? maybe 2 or 3 pF. ? The shortest one in the catalog is 7.68". The most space saving way to mount vacuum variables is vertically. Multronics makes an ideal right-angle drive that replaces the orig.
/archives//html/Amps/1999-06/msg00666.html (8,250 bytes)

346. [AMPS] Re: Another Doorknob Query (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Thu, 24 Jun 1999 18:48:21 -0700
Fair Radio Sales. For those who have a surplus of money, Nebraska Surplus. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Sub
/archives//html/Amps/1999-06/msg00678.html (7,508 bytes)

347. [AMPS] Obtuse questions (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 02:40:37 -0700
? and the manufacturer ? A 15" panel is about minimum for an 8171 or 8170. 10" above chassis is needed to avoid anode arcs. 5 inches below chassis allows for easy inclusion of a filament transformer
/archives//html/Amps/1999-06/msg00683.html (8,608 bytes)

348. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 02:47:49 -0700
? [chortle] ? The gain of a SB-220 is about 9.5db on the low v tap, and about 11db on the high v tap. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.con
/archives//html/Amps/1999-06/msg00684.html (10,114 bytes)

349. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 04:40:05 -0700
? 390v-peak into 50-ohms on the high v tap, using SSB. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@conte
/archives//html/Amps/1999-06/msg00687.html (9,125 bytes)

350. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 07:54:52 -0700
? However, on the low v tap, P.out decreases by c. 1.5db. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@co
/archives//html/Amps/1999-06/msg00696.html (8,978 bytes)

351. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 08:50:44 -0700
? Meter response is never an issue here because I do not measure watts with a wattmeter. I use a freshly calibrated oscilloscope and HV multiplier probe to measure peak-v across the load, which I th
/archives//html/Amps/1999-06/msg00698.html (8,716 bytes)

352. [AMPS] Peak Power Meters - some more thoughts (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 08:50:46 -0700
? I explain it in "Amplifiers" on my Web site. 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/msg00699.html (8,479 bytes)

353. [AMPS] Obtuse questions (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 14:02:48 -0700
Marv -- ? I don't think so. It only replaces the collet at the end of the threaded drive shaft. - later. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.c
/archives//html/Amps/1999-06/msg00711.html (7,324 bytes)

354. [AMPS] Winding high power xmit toroids (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 14:02:52 -0700
? no ? yes. A suitable wrap is self-sticking tape. It has no adhesive. .It has good RF properties and it conforms like it was paint. Plymouth Rubber Co. makes the stuff. . http://www.plymouthrubber.
/archives//html/Amps/1999-06/msg00712.html (8,049 bytes)

355. [AMPS] Class C 4-400A (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 14:42:40 -0700
? Due to the intrinsic winding C of a Trifilar or Quadrafiliar transormer, driving only the term. R load, the SWR will be ok for only a narrow bandwidth. - cheers, Tom. Rich... R. L. Measures, 805-3
/archives//html/Amps/1999-06/msg00714.html (7,885 bytes)

356. [AMPS] Peak reading vs True peak (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Fri, 25 Jun 1999 14:42:44 -0700
? Can you read 2kV peaks across 50-ohms at 4MHz? ? My load still measures 49.8 ohms. A use a voltage-standard to calibrate the scope. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measur
/archives//html/Amps/1999-06/msg00715.html (8,859 bytes)

357. [AMPS] RJ1A relays (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 28 Jun 1999 05:37:36 -0700
? Fair Radio Sells virtually unused RJ-1A relays for $35. Single lot new ones cost around 4x as much. However, if the NO contact BV is under 3500v, the ceramic/metal seals are leaking. - cheers, Pet
/archives//html/Amps/1999-06/msg00733.html (7,525 bytes)

358. [AMPS] go figure/Murata (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 29 Jun 1999 07:32:28 -0700
? should be a clue. ? Power supply filter caps are not designed for RF apps. Murata makes both kinds. ? Surplus Sales of Nebraska tends to have high prices compared to Fair Radio Sales. - later, Igo
/archives//html/Amps/1999-06/msg00767.html (8,311 bytes)

359. [AMPS] Problem with Plate Choke (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 29 Jun 1999 08:41:51 -0700
? With suitable materials on hand and a dipmeter in-hand, no-surprise HV-RFCs are fairly easy to make. The process is described on my Web site in "Amplifiers". . - cheers, Phil Rich... R. L. Measures
/archives//html/Amps/1999-06/msg00769.html (7,450 bytes)

360. [AMPS] go figure/Murata (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Tue, 29 Jun 1999 12:56:38 -0700
A 105-ampere capacitor would have end flanges instead of threaded studs. - good tip, Jon Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/a
/archives//html/Amps/1999-06/msg00776.html (7,963 bytes)

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