- 1. [AMPS] professional rectifiers/equalisers (score: 1)
- Author: w3am@juno.com (Gary W Blau)
- Date: Tue, 6 Jul 1999 19:42:39 -0400
- FWIW, both Harris & Continental for their bdcst xmtrs generally spec the rectifiers and buy them as complete units from the manufacturer. I noticed that the Continental stacks I recently bought had d
- /archives//html/Amps/1999-07/msg00116.html (8,573 bytes)
- 2. [AMPS] more HV rectifers (score: 1)
- Author: w3am@juno.com (Gary Blau)
- Date: Wed, 7 Jul 1999 21:31:41 -0400
- FWIW, that module was for 1/3 of the 3 phase stack in a Continental 816R 25KW FM xmtr. B+ is 9KV at up to 4 amps DC, but I'm sure they have more headroom than that. Considering the premium Continent
- /archives//html/Amps/1999-07/msg00129.html (7,467 bytes)
- 3. [AMPS] misc topics (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Sat, 20 Mar 1999 21:12:22 -0700
- There was the ArmourAll your CD's craze for a while, and the green markers for the edge of your CD's, and... And the Tice Magic Clock, a "modified" Radio Shack digital clock (for $400) which, when pl
- /archives//html/Amps/1999-03/msg00518.html (8,349 bytes)
- 4. [AMPS] tube anode cap, etc. (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Thu, 14 Jan 1999 11:00:18 -0700
- JTML: If no one else is interested, I'd be happy to put your pix up on my server account, along with a link from my page if you like. It may not be AM, but we can dream... 73, Gary W3AM -- FAQ on WW
- /archives//html/Amps/1999-01/msg00179.html (7,219 bytes)
- 5. [AMPS] G2DAF (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Mon, 2 Nov 1998 13:01:22 -0700
- Why not use a storage spectrum analyzer to look at occupied bandwidth and IM over a significant time period while modulating with speech or pulsed white noise? Wouldn't that be a better worst-case te
- /archives//html/Amps/1998-11/msg00046.html (9,719 bytes)
- 6. [AMPS] G2DAF (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Mon, 2 Nov 1998 18:32:19 -0700
- Implied in my question, but not expressed, sorry. Broadcasters sometimes use pulsed noise as a substitute test signal for "program audio". It's handy for occupied BW and other measurements. The puls
- /archives//html/Amps/1998-11/msg00049.html (9,610 bytes)
- 7. [AMPS] 8877 Idling Current?? (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Wed, 14 Oct 1998 18:28:04 -0700
- Gents: What should the idling current be for a pair of 8877's in the big Alpha 77SX? Does around 80 mA sound about right? Thanks for the help. Gary W3AM -- - W3AM - Gary Blau - - w3am@juno.com - - ht
- /archives//html/Amps/1998-10/msg00183.html (7,265 bytes)
- 8. [AMPS] connectors (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Tue, 20 Oct 1998 17:00:40 -0700
- FWIW, Harris (among others) uses N connectors for output on their 1KW AM & FM bdcst rigs, and a few others use them on 500W UHF LPTV amps. They never gave me much confidence, but I've never had one b
- /archives//html/Amps/1998-10/msg00313.html (8,279 bytes)
- 9. [AMPS] Neighborhood RFI and Amps (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Thu, 29 Oct 1998 19:39:10 -0700
- Gents: I've had to deal with AM bdcst EMI like this a lot, and one thing I found was that one bad/cheap phone or (particularly) answering machine or modem can foul up the lines on all phones in the h
- /archives//html/Amps/1998-10/msg00481.html (11,547 bytes)
- 10. [AMPS] power vs. QRM (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Mon, 3 Aug 1998 15:05:27 -0700
- NOTHING generates more QRM than CONTESTS!... -- - W3AM - Gary Blau - - w3am@juno.com - - http://www.qsl.net/w3am - -- _____________________________________________________________________ You don't n
- /archives//html/Amps/1998-08/msg00020.html (7,911 bytes)
- 11. [AMPS] power vs. QRM (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Mon, 3 Aug 1998 22:59:07 -0700
- I wondered how many thin-skinned contesters out there wouldn't get it. I must admit, you surprised me. Geez, guys. Get a sense of humor. The tongue-in-cheek point was that one man's operating pleasur
- /archives//html/Amps/1998-08/msg00023.html (9,428 bytes)
- 12. [AMPS] Knight T-175 Linear Amp (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Fri, 3 Jul 1998 01:49:36 -0700
- Pete: What you've got there is one of the great 'ol time CB linears, sold under cover of being a 10M & 6M ham amp. I knew quite a few CB'ers back in the late 60's and early 70's that used them. (Back
- /archives//html/Amps/1998-07/msg00020.html (9,634 bytes)
- 13. [AMPS] ELDERLY AL 80-A (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Tue, 7 Jul 1998 23:28:27 -0700
- Wayne: Odds are poor contact with the filament pins on the socket. Clean them and make sure they're plenty tight. Common problem. The filament pins are: as you look at the socket, the two centermost
- /archives//html/Amps/1998-07/msg00045.html (8,209 bytes)
- 14. [AMPS] Re: Pencils and fiery inch-long arcs! (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Wed, 22 Jul 1998 20:53:13 -0700
- On Wed, 22 Jul 1998 12:00:22 -0600 "Richard W. Ehrhorn" <w4eto@rmii.com> writes: Also, be sure to short the two terminals of the caps together since you can't safely assume that one end is indeed tie
- /archives//html/Amps/1998-07/msg00152.html (8,665 bytes)
- 15. [AMPS] Emission from Thoria Filaments (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Thu, 30 Apr 1998 23:02:36 -0700
- Hey, John: I was also taught, as you describe, that the amount of recarburization is limited by the brittleness of the resultant element. In small, closely spaced tubes, you can rezap them beyond the
- /archives//html/Amps/1998-05/msg00004.html (9,937 bytes)
- 16. [AMPS] Chinese 4-400CG's (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Fri, 15 May 1998 22:13:13 -0700
- Sirs: What's the consensus on the Chinese made RF Parts 4-400CG graphite anode tubes? Anyone with experience using them in continuous duty AM bdcst service? I'll ask for an appropriate parasitic supp
- /archives//html/Amps/1998-05/msg00277.html (9,466 bytes)
- 17. [AMPS] Chinese 4-400CG's (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Tue, 19 May 1998 20:37:48 EDT
- Tom: Thanks for the response, ...and warning. I've had a couple folks tell me that they have had good luck with them in old Johnson 500's and Desk Kilowatts, but don't know anyone that's tried them i
- /archives//html/Amps/1998-05/msg00369.html (8,080 bytes)
- 18. w3am: Re: [AMPS] Technical Question #1 (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Wed, 20 May 1998 20:39:38 -0700
- On Wed, 20 May 1998 19:40:12 -0500 bob alexander <realex@flash.net> writes: Yup... A red color insert in the bandswitch knob may help reduce this slightly. A different shape knob altogether is a bett
- /archives//html/Amps/1998-05/msg00411.html (7,638 bytes)
- 19. [AMPS] How to Test ? (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Fri, 05 Dec 1997 14:07:44 EST
- Gary Blau W3AM - Phoenix, AZ w3am@juno.com http://www.qsl.net/w3am/ Right on. Always track your serial numbers. And insist that the rebuilder use YOUR dud! FWIW, I have used many rebuilds over the ye
- /archives//html/Amps/1997-12/msg00087.html (9,587 bytes)
- 20. [AMPS] How to Test ? (score: 1)
- Author: w3am@juno.com (w3am@juno.com)
- Date: Sat, 6 Dec 1997 01:39:59 -0700
- Howdy, Carl: I don't know. If there is, I'd like to hear about it. I suppose you might be able to notice a quicker drop in emission as you reduce the fil. voltage over the first few hundred hours, ma
- /archives//html/Amps/1997-12/msg00092.html (7,948 bytes)
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