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Total 24 documents matching your query.

1. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Tue, 1 Aug 2000 05:22:58 -0700; I already Rx the info over the phone. thanks, Perry. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administr; /archives//html/Amps/2000-08/msg00003.html (8,794 bytes)
2. [AMPS] 2000 ARRL Handbook question (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 1 Aug 2000 09:51:36 -0500; If someone will fax me a copy of the article, I will find out who wrote it. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative reque; /archives//html/Amps/2000-08/msg00006.html (8,855 bytes)
3. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Tue, 1 Aug 2000 09:30:13 -0700; Dick Ehrhorn wrote it. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@c; /archives//html/Amps/2000-08/msg00009.html (9,524 bytes)
4. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Tue, 1 Aug 2000 20:39:56 -0700; ? John -- The same statement (by Ehrhorn) was in the '95 Handbook. This was before Wes' tests with the Hewlett Packard Impedance Analyzer. The test evidence showed that a resistance wire suppressor; /archives//html/Amps/2000-08/msg00014.html (9,973 bytes)
5. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Tue, 1 Aug 2000 20:39:58 -0700; Mr. Ehrhorn says there is no evidence. Thanks to N7WS, there is evidence. Now that the evidence is there, Ehrhorn is silent on the matter. He apparently does not like to admit to making errors. On 6; /archives//html/Amps/2000-08/msg00015.html (10,030 bytes)
6. [AMPS] 2000 ARRL Handbook question (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Aug 2000 06:49:49 -0400; Hi Rich and all, That's your opinion Rich. If you ask Wes, the fellow who made the measurements, his conclusion is different than yours. Same old song, same old dance no matter what the music is.. We; /archives//html/Amps/2000-08/msg00018.html (9,456 bytes)
7. [AMPS] 2000 ARRL Handbook question (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Wed, 2 Aug 2000 12:14:41 +0100; When nichrome suppressors are used, is there a resistor in parallel with the inductor? 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative; /archives//html/Amps/2000-08/msg00019.html (8,803 bytes)
8. [AMPS] 2000 ARRL Handbook question (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Aug 2000 07:31:45 -0400; Actually Peter, if you look at the suppressor Wes tested it was identical to the AL80B suppressor except one was nichrome and one was regular tinned copper wire. There was no great difference betwee; /archives//html/Amps/2000-08/msg00020.html (9,415 bytes)
9. [AMPS] 2000 ARRL Handbook question (score: 1): Author: Michael Tope <w4ef@pacbell.net> (Michael Tope); Date: Wed, 02 Aug 2000 06:39:45 -0700; Rich, Is Wes' raw impedance data for the conventional and nichrome suppressors published anywhere? Without any data to study, this debate ends being more like a political battle than scientific inqui; /archives//html/Amps/2000-08/msg00022.html (11,728 bytes)
10. [AMPS] 2000 ARRL Handbook question (score: 1): Author: warrenw@pentek.com (Warren J. Walsh); Date: Wed, 02 Aug 2000 10:17:02 -0400; Try: http://www.azstarnet.com/~n7ws/supp-1a.htm 73 Warren - K2BM -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.co; /archives//html/Amps/2000-08/msg00023.html (12,932 bytes)
11. [AMPS] 2000 ARRL Handbook question (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Aug 2000 10:18:23 -0400; It's on Wes' webpage. You might do a search, or maybe someone knows. Keep in mid the nichrome suppressor Wes tested had a much larger inductor than the normal AG6K suppressor, and that lowers the Q.; /archives//html/Amps/2000-08/msg00024.html (9,080 bytes)
12. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Wed, 2 Aug 2000 09:39:14 -0700; Yes. Some of the resistance comes from the resistor, and some of the resistance comes from the resistance-wire. cheers, Peter - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http; /archives//html/Amps/2000-08/msg00027.html (8,909 bytes)
13. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Wed, 2 Aug 2000 09:39:11 -0700; ? Tom -- your theory that the resistance of nickel-chromium alloys Increases with a decrease in frequency is not supported by any published measurement. Every other known conductor exhibits less res; /archives//html/Amps/2000-08/msg00028.html (9,937 bytes)
14. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Wed, 2 Aug 2000 09:39:12 -0700; ? According to Wes' measurements, at 100MHz, the resistance-wire suppressor had about 41% less Q than the copper-wire suppressor. Is higher Q in a VHF suppressor better? AC Circuit Analysis will alw; /archives//html/Amps/2000-08/msg00029.html (11,736 bytes)
15. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Wed, 2 Aug 2000 09:39:16 -0700; ? on Wes' Web site, perhaps. There is a graph on my Web site that shows the differences in Q at 100MHz. agreed, Mike. Conclusions often carry an agenda. If you can't find a complete data page, I cou; /archives//html/Amps/2000-08/msg00030.html (12,108 bytes)
16. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Wed, 2 Aug 2000 09:57:05 -0700; There is no such thing as a ''normal'' AG6K suppressor. Suppressors for 8877s and 4-1000As require an L-supp of c. 40nH. Suppressors for 3-500Zs - that use c. 2700v, use c. 90nH, and Suppressors for; /archives//html/Amps/2000-08/msg00031.html (9,604 bytes)
17. [AMPS] 2000 ARRL Handbook question (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 3 Aug 2000 08:22:51 +0100; Rich, you've lost me here. To me Q is (in this context) XL/r. Let's have r constant with frequency; XL increases with frequency. Therefore the Q of an inductor rises as the frequency goes up, doesn't; /archives//html/Amps/2000-08/msg00034.html (9,437 bytes)
18. [AMPS] 2000 ARRL Handbook question (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 3 Aug 2000 08:44:56 -0400; What I've always said is Nichrome lowers HF Q, and decreases the slope of Q change with frequency. A nichrome suppressor is a lowQ HF suppressor, it does not de-Q the system at VHF. The VHF Q reducti; /archives//html/Amps/2000-08/msg00043.html (10,696 bytes)
19. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Thu, 3 Aug 2000 08:08:13 -0700; Rich knows that this was what you said, Mr. Rauch. This was one of the major rubs in the grate parasitics debate. At HF, L-supp has little effect. 40 - 120 nH or so is all we are talking about in a; /archives//html/Amps/2000-08/msg00049.html (11,535 bytes)
20. [AMPS] 2000 ARRL Handbook question (score: 1): Author: 2@vc.net (measures); Date: Thu, 3 Aug 2000 08:08:22 -0700; In this case we have a parallel resistance and a series resistance. Things are more compicated than they look. I seems to me that you need to look at the measurements. Beats me. I had trouble making; /archives//html/Amps/2000-08/msg00055.html (9,425 bytes)

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