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Total 14 documents matching your query.

1. [Amps] TL922A (score: 1): Author: dhearn@ix.netcom.com (dan hearn); Date: Mon, 07 Oct 2002 15:26:42 -0700; I have just acquired a TL922A amp in mint condition although it is about 15 yrs old. It works great 160-15m. It has never been modified to work 10m. Can someone tell me what is needed to modify it fo; /archives//html/Amps/2002-10/msg00059.html (6,271 bytes)
2. [Amps] TL922A (score: 1): Author: 2@vc.net (Rich); Date: Tue, 8 Oct 2002 15:38:54 -0700; Intructions are on my Web site.; /archives//html/Amps/2002-10/msg00067.html (6,315 bytes)
3. [Amps] TL922A (score: 1): Author: tgeorgen at lsil.com (Georgens, Tom); Date: Mon Aug 4 22:59:39 2003; Hello all - I have a TL922A that has seen a fair amount of traveling and, until recently, has always worked well. One item that I had been ignoring is that the ferrite beads on the underside of the t; /archives//html/Amps/2002-09/msg00322.html (6,484 bytes)
4. [Amps] TL922A (score: 1): Author: "Dan Hearn" <dhearn@wwnw.net>; Date: Sat, 1 Apr 2006 15:50:30 -0800; I am trying to identify the resistor value and type used in the TL922A parasitic suppressors. I believe it is a 2W ohmite carbon but not sure and don't know the value. The schematic in the instructio; /archives//html/Amps/2006-04/msg00006.html (6,309 bytes)
5. Re: [Amps] TL922A (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Sun, 02 Apr 2006 10:18:55 +0100; The one I have appears to be 2x47R in parallel. Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2006-04/msg00007.html (6,572 bytes)
6. Re: [Amps] TL922A (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Sun, 2 Apr 2006 03:21:25 -0700; What is the measured R on yours, Steve? Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.; /archives//html/Amps/2006-04/msg00008.html (7,983 bytes)
7. Re: [Amps] TL922A (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Sun, 02 Apr 2006 11:35:21 +0100; 24.9 ohms. It's the one you send me to characterise. Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2006-04/msg00009.html (7,767 bytes)
8. Re: [Amps] TL922A (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Sun, 2 Apr 2006 03:41:29 -0700; Thanks. That one was virtually unused. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.c; /archives//html/Amps/2006-04/msg00010.html (8,197 bytes)
9. [Amps] TL922A (score: 1): Author: "Dan Hearn" <dhearn@wwnw.net>; Date: Sun, 2 Apr 2006 12:16:42 -0700; Thanks to all who responded to my question about the resistor in the parasitic suppressors for this amp. I was able to look into one of the amps and found 2ea 47 ohm 1 watt resistors in parallel insi; /archives//html/Amps/2006-04/msg00011.html (7,150 bytes)
10. Re: [Amps] TL922A (score: 1): Author: "Marc Wullaert" <marc.wullaert3@pandora.be>; Date: Mon, 3 Apr 2006 06:48:02 -0000; 1200-1300watts output seems to me that the amp and tubes are in a goodshape. on4ma ( OT4T vanity callsign ) amps they to is in -- No virus found in this outgoing message. Checked by AVG Free Edition.; /archives//html/Amps/2006-04/msg00017.html (8,626 bytes)
11. Re: [Amps] TL922A (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Mon, 03 Apr 2006 07:52:49 +0100; Yes, they might have larger surface area, but they're still carbon comp, which is a fundamental flaw. Heat will change their value - not just running on 10m, but conducted and radiated heat from the; /archives//html/Amps/2006-04/msg00018.html (7,426 bytes)
12. Re: [Amps] TL922A (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Mon, 3 Apr 2006 02:02:39 -0700; Indeed, Steve, and to improve the VHF suppressor's performance, replace the Ag-plated high-Q L with an L made from a more resistive material. For example, the measured Q of a 922's orig. suppressor i; /archives//html/Amps/2006-04/msg00019.html (8,962 bytes)
13. Re: [Amps] TL922A (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Mon, 03 Apr 2006 10:13:02 +0100; Out of interest, I've just measured the original, then swapped the resistors for a Dow Corning FP2 22R. I measured up to 200MHz, and the difference between them is less than the thickness of the trac; /archives//html/Amps/2006-04/msg00020.html (8,319 bytes)
14. Re: [Amps] TL922A (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Mon, 03 Apr 2006 09:21:28 -0400; I agree that is about right. It was rated at 2000 watts PEP plate input and with 60%or 65% efficiency you get 1200 or 1300 watts output. The initial limitations of power output are in the power suppl; /archives//html/Amps/2006-04/msg00021.html (10,016 bytes)

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