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Total 38 documents matching your query.

1. [Amps] tl-922 (score: 1): Author: ja7eu@dream.ocn.ne.jp (hatanaka); Date: Sat, 6 Apr 2002 09:58:07 +0900; changed 500zg amp's to rfp'. idle current increased 0.18 to 0.28. is 0.28 unusual or not ? ja7eu shigeo hatanaka; /archives//html/Amps/2002-04/msg00208.html (6,304 bytes)
2. [Amps] tl-922 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 6 Apr 2002 08:14:58 -0800; ? A ZSAC of 0.28A usually means that the 7.5v, 10w zener is shorted. This occasionally happens during the TL-922's intermittent parasitic-oscillations at c, 120MHz. The zener can be replaced with a; /archives//html/Amps/2002-04/msg00215.html (7,088 bytes)
3. [Amps] TL-922 (score: 1): Author: ja7eu@dream.ocn.ne.jp (hatanaka); Date: Fri, 19 Apr 2002 07:10:13 +0900; I replaced a original RL-1 to 2 kilovac HC-1. On cw operation amp does not work well at first dot. Exciter(IC-746) shows higher SWR than after second dot. Relay's shunted small brown component that p; /archives//html/Amps/2002-04/msg00444.html (6,451 bytes)
4. [Amps] TL-922 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Thu, 18 Apr 2002 19:23:59 -0700; Shigeo: The circuit in Figure 7 on my Web site will switch fast enough for the 1st dot. cheers - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00459.html (6,771 bytes)
5. [AMPS] TL-922 (score: 1): Author: rickn@netdoor.com (Rick Nichols); Date: Fri, 02 Feb 2001 09:45:07 -0600; This is a multi-part message in MIME format. --Boundary_(ID_5SzuynsZBkK4hJq/QKamww) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: quoted-printable Are there any defects that; /archives//html/Amps/2001-02/msg00062.html (7,764 bytes)
6. [AMPS] TL-922 (score: 1): Author: 2@vc.net (measures); Date: Fri, 2 Feb 2001 10:45:16 -0800; Yes. They occasionally oscillate on 120MHz. Lower Rp suppressors improve VHF stability. There is an article on my Web site. no. Pins 1 and 5 on the sockets run cool. cheers, Rick - Rich..., 805.386.; /archives//html/Amps/2001-02/msg00069.html (6,801 bytes)
7. [AMPS] TL-922 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 7 Sep 2000 09:21:13 -0400; I can fix the "stability" problem in any TL922 without changing the parasitic suppression at all from the original design. Totally and completely. I just change the bad components, because the proble; /archives//html/Amps/2000-09/msg00206.html (7,521 bytes)
8. [AMPS] TL-922 (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Thu, 7 Sep 2000 09:31:45 -0400; Can we compare the bill-of-materials and costs between the two alternative methods? I suspect that if end result is the reasonably the same, the method that costs the least and involves the least am; /archives//html/Amps/2000-09/msg00207.html (7,968 bytes)
9. [AMPS] TL-922 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 7 Sep 2000 09:42:19 -0400; It would be the most educational use of this reflector to walk through a problem, without "shotgunning" the amplifier. WB8BFS repaired his 922 by adjusting the contacts in the relay, so the output c; /archives//html/Amps/2000-09/msg00209.html (7,867 bytes)
10. [AMPS] TL-922 (score: 1): Author: 2@vc.net (measures); Date: Thu, 7 Sep 2000 09:32:17 -0700; ... impared reality. - 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@con; /archives//html/Amps/2000-09/msg00219.html (7,847 bytes)
11. [AMPS] TL-922 (score: 1): Author: ki6sz@compuserve.com (Don Kessler); Date: Thu, 7 Sep 2000 21:08:56 -0400; Tom, What precisely is/are the "bad" components in the stock TL-922 that cause instability? By changing the stock suppressors with nichrome wire (ala Rich's description), the problem goes away. So, p; /archives//html/Amps/2000-09/msg00244.html (9,689 bytes)
12. [AMPS] TL-922 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 7 Sep 2000 22:20:07 -0400; Bad was a poor choice of words. I replace the defective components. I take it what you are telling me is you can take a non-working amplifier, replace only the suppressors and nothing else, and it i; /archives//html/Amps/2000-09/msg00250.html (8,384 bytes)
13. [AMPS] TL-922 (score: 1): Author: 2@vc.net (measures); Date: Thu, 7 Sep 2000 19:25:58 -0700; [chortle] ........ - 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@conte; /archives//html/Amps/2000-09/msg00251.html (8,128 bytes)
14. [AMPS] TL-922 (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Thu, 7 Sep 2000 22:33:03 EDT; Tom, WOW....! This is real Rocket Science..........replacing defective components to repair something. How many Physics degrees do you have to have in order to be able to this? Strange that you would; /archives//html/Amps/2000-09/msg00255.html (8,799 bytes)
15. [AMPS] TL-922 (score: 1): Author: 2@vc.net (measures); Date: Thu, 7 Sep 2000 19:45:27 -0700; duhh - 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@contesting.com Prob; /archives//html/Amps/2000-09/msg00257.html (8,713 bytes)
16. [AMPS] TL-922 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 7 Sep 2000 23:02:44 -0400; Thanks for the good example of what I meant about being in "mud". This is what makes the amp reflector such a nice place! 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/FAQ; /archives//html/Amps/2000-09/msg00258.html (8,718 bytes)
17. [AMPS] TL-922 (score: 1): Author: RMead100@aol.com (RMead100@aol.com); Date: Thu, 7 Sep 2000 23:12:26 EDT; I know little about amps, but have had some interest in following this thread I have however, been involved in various financial ventures, and find the introduction and rebuttal of the possibility of; /archives//html/Amps/2000-09/msg00260.html (8,540 bytes)
18. [AMPS] TL-922 (score: 1): Author: 2@vc.net (measures); Date: Thu, 7 Sep 2000 20:28:43 -0700; Replacing the arced/burned bandswitch in a 922 is an invitation to more arcing if the suppressor Q is not decreased. delightsome, Dave - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on; /archives//html/Amps/2000-09/msg00262.html (9,031 bytes)
19. [AMPS] TL-922 (score: 1): Author: ki6sz@compuserve.com (Don Kessler); Date: Thu, 7 Sep 2000 23:57:30 -0400; Tom, An amplifier (TL-922) that previously would go "Bang!", and trash output bandswitches, short zener bias diodes, etc., no longer goes "Bang!" and self destructs anymore after the nichrome suppres; /archives//html/Amps/2000-09/msg00264.html (11,241 bytes)
20. [AMPS] TL-922 (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Thu, 7 Sep 2000 18:06:38 -1000; It has been written: And (I, for one, request....) December....which year? Certainly not 1999, as this has been going on well before then. Have seen much reference to past posts, long past presumably; /archives//html/Amps/2000-09/msg00265.html (9,149 bytes)

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