Mail Archive Search: <+from:g8gsq at qsl.net>

Results:

References: [ +from:g8gsq: 1222 ] [ at (Too many documents hit. Ignored) ] [ qsl.net: 47 ]

Total 21 documents matching your query.

1. [Amps] Power supply design considerations (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Thu Jul 3 09:09:25 2003; SHV is surely the way to go - can't touch the centre on either half, shield connects first, breaks last. How much is your life worth? Don't forget a completely independent heavy duty connection betwe; /archives//html/Amps/2003-07/msg00011.html (7,466 bytes)
2. [Amps] Revisited: Power Combiners, cheap amps. (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Sat Jul 12 10:27:42 2003; I've heard of it being done on 432MHz. It's important to get the phase of the two outputs close - if they're not, significant power goes into the resistor in the combiner. I've no idea whether normal; /archives//html/Amps/2003-07/msg00068.html (9,269 bytes)
3. [Amps] Revisited: Power Combiners, cheap amps. (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Tue Jul 15 07:51:49 2003; I wouldn't go without the resistors - they aren't there to control the VSWR that the amps see, they are there to provide isolation between the amps. Without resistors, you can have the makings of a v; /archives//html/Amps/2003-07/msg00082.html (9,053 bytes)
4. [Amps] Revisited: Power Combiners, cheap amps. (score: 178): Author: g8gsq at qsl.net (Steve); Date: Wed Jul 16 08:26:27 2003; is almost are VSWR oscillator ...is minimal. Sorry! Steve; /archives//html/Amps/2003-07/msg00084.html (9,397 bytes)
5. [Amps] Revisited: Power Combiners, cheap amps. (score: 178): Author: g8gsq at qsl.net (Steve); Date: Wed Jul 16 08:26:38 2003; http://www.communication-concepts.com/appnotes/AN758300Sharp.pdf In the power splitter, yes, one amp failing will cause the input impedance to change - the change will be less with the terminating re; /archives//html/Amps/2003-07/msg00088.html (9,499 bytes)
6. [Amps] Microwave oven? (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Tue Jul 29 13:32:01 2003; use in an amp?My friend told me that the voltage is about 2000v...Perhaps is a good way(and cheaper) to do an amp... http://www.vaxxine.com/phil/downloads.htm Steve; /archives//html/Amps/2003-07/msg00146.html (6,931 bytes)
7. [Amps] 3 Phase Transformer Expertise Needed (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Tue Jun 3 19:31:39 2003; No expertise to offer you, I'm guessing that motor and transformer wiring follow similar standards. Try http://www.firstelectricmotor.com/motor_connections.htm and look at the 'Dual voltage wye 12 le; /archives//html/Amps/2003-06/msg00016.html (8,191 bytes)
8. [Amps] 3CX400A7/8874 ??? (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Thu Jun 19 08:31:47 2003; Eimac says 1 minute minimum. Steve; /archives//html/Amps/2003-06/msg00133.html (6,818 bytes)
9. [Amps] 4CX250B/F (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Fri Jun 20 08:22:26 2003; There is no difference. The instructions for the 6V version are incorrect. Personally, I use at least 1min. warmup. Steve; /archives//html/Amps/2003-06/msg00159.html (7,087 bytes)
10. [Amps] Longetivity of 4CX250B (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Sat Jun 21 09:43:10 2003; I'd guess it's not out of the ordinary in situations where the valve is properly cooled, and has proper heater voltage regulation. I've seen 15 year old PMR gear with original valves that still deliv; /archives//html/Amps/2003-06/msg00167.html (7,888 bytes)
11. [Amps] GS-35 being cantankerous (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Tue Jun 24 08:55:59 2003; There's some stuff about conditioning these tubes on SM5BSZ's website. Steve; /archives//html/Amps/2003-06/msg00190.html (8,070 bytes)
12. [Amps] Source For Eimac Socket Accessories? (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Mon Jun 30 07:19:57 2003; (Perhaps exhibits Call them, there's a lot of stuff they sell that's not on the web site. Make sure you're sitting down, and have the paperwork for an extension to your mortgage ready prepared. 73, S; /archives//html/Amps/2003-06/msg00242.html (7,917 bytes)
13. [Amps] Russian tubes GS35b et al. (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Tue Feb 4 12:02:13 2003; Maybe at 1000MHz, which I think is the upper freq. spec. for that tube. They certainly deliver the (kilo)watts at 70cm and especially below. Steve; /archives//html/Amps/2003-02/msg00075.html (7,606 bytes)
14. [Amps] The Philosophy of Science (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Mon Feb 10 13:37:05 2003; If I still had mine, I'd keep in trim at using it. The calculation accuracy is more than adequate for most of the electronics I do. Having to sort out the right order of magnitude for an answer keeps; /archives//html/Amps/2003-02/msg00228.html (8,169 bytes)
15. [Amps] re: EBS at soft or quiet moments (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Sun Aug 3 08:37:36 2003; Which supply are you switching with the transistor? Thanks, Steve; /archives//html/Amps/2002-09/msg00308.html (8,751 bytes)
16. [Amps] re: EBS at soft or quiet moments (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Mon Aug 4 08:39:27 2003; Ahh - when you mentioned 250s on 2m I jumped to the assumption that it would be the regular grounded cathode, grid driven arrangement and I couldn't figure how the capacitor helped in that situation.; /archives//html/Amps/2002-09/msg00312.html (8,101 bytes)
17. [Amps] re: EBS at soft or quiet moments (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Mon Aug 4 22:59:35 2003; OK - if you're running grid current. You wouldn't normally do so with speech, in which case I figured the capacitor wouldn't do much. If you're keying, does the delayed turn on matter? An alternative; /archives//html/Amps/2002-09/msg00318.html (8,484 bytes)
18. [Amps] friendly browser for bama manuals plus (score: 178): Author: g8gsq at qsl.net (Steve Thompson); Date: Fri Aug 15 08:35:06 2003; You also get a popup blocker, and the option to control cookies. Steve; /archives//html/Amps/2002-09/msg00378.html (6,986 bytes)
19. [AMPS] gs35 internals (score: 13): Author: g8gsq@qsl.net (Steve Thompson); Date: Sun, 17 Feb 2002 17:34:04 -0000; If anyone is curious, I've posted a couple of pictures of the insides of a dud tube (dud when it was given to me!). There's no links from the homepage. www.qsl.net/g8gsq/gs35a.jpg www.qsl.net/g8gsq/g; /archives//html/Amps/2002-02/msg00177.html (7,170 bytes)
20. [AMPS] gs35 internals (score: 13): Author: g8gsq@qsl.net (Steve Thompson); Date: Mon, 18 Feb 2002 10:24:16 -0000; homepage. to On the face of it, it's simple but effective. All of the marks with the brown circumference are on the cathode surface. There's heating discolouration on the grid above all but the small; /archives//html/Amps/2002-02/msg00181.html (8,727 bytes)

Current List: 1 - 20
Page: [1] [2]