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1. [Amps] SB200 Resources;Correction (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Mon Jun 2 08:07:40 2003; Oops...yes a typo: here is the correction, hopefully the corrected address: http://www.palacenet.net/home/mules/sb200.html Another way to find info is to type: SB200 +Schematics in Google... 73, Pat; /archives//html/Amps/2003-06/msg00003.html (7,728 bytes)
2. [Amps] DRAKE L4B interfacing (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Jun 17 08:22:07 2003; That PTT connector for the L-4B is a wierd one....Perhaps some Molex pins will do for pin size....then perhaps an epoxied molded homebrew connector. The pin spacing may also correspond to one of the; /archives//html/Amps/2003-06/msg00117.html (7,528 bytes)
3. [Amps] QRO Components (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Wed Jun 18 08:12:58 2003; KW Components: I?m forced to downsize my storage space radically and reluctantly, have to move my long time accumulated QRO components?.So here goes: Pictures avail on request HV Power supply; 2.4 KV; /archives//html/Amps/2003-06/msg00126.html (7,886 bytes)
4. [Amps] SB 200 Resources (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Sat May 31 08:12:02 2003; Hi Richard, Here is a good site with schematics of mods of the SB 200 and also a big list of other resources concerning the SB-200, perhaps with some original schematics. goto: http://www.palacenet/h; /archives//html/Amps/2003-05/msg00237.html (7,402 bytes)
5. [Amps] FL 2100 Fix via Svetlana Tech note (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Apr 8 12:13:54 2003; Folks: I had a similar problem some years ago on my FL2100. One tube glowing red plate all the time, and plate current indicated. I I found the grid resistors cracked, and a maybe 1/2" hole perfectly; /archives//html/Amps/2003-04/msg00079.html (9,119 bytes)
6. [Amps] Grid Holes; 572Bs (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Apr 8 12:19:26 2003; Folks Reading a lot of similar probs on the FL 2100, It would be interesting for anyone who has excessive Plate current to pull the tube and carefully look up inside the plate, from the bottom or top; /archives//html/Amps/2003-04/msg00080.html (8,511 bytes)
7. [Amps] 572B Tech bulletins (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Apr 8 12:29:26 2003; Found it: Svetlana's tech bulletins: http://www.svetlana.com/docs/techbulletins/techbull-ar.html Great bunch of references for QRO phyles.. or, specific to the 572B: http://www.svetlana.com/docs/tech; /archives//html/Amps/2003-04/msg00081.html (7,747 bytes)
8. [Amps] 572B Tech bulletins Corrected URL;Cause (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Apr 8 12:46:38 2003; Found it: Svetlana's tech bulletins: In Google type in: 572B [space space space]+Badger and you will find: http://www.svetlana.com/docs/TechBulletins/Techbull-ar.html Great bunch of references for QR; /archives//html/Amps/2003-04/msg00082.html (7,316 bytes)
9. [Amps] Re: PS project part2 (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Fri Apr 11 15:12:16 2003; Is it possible or likely that a circuit breaker's mechanical motion mechanism can lose reliability due to non-use? I think of my home breakers, and until a couple of years ago, most of them might hav; /archives//html/Amps/2003-04/msg00117.html (7,791 bytes)
10. [Amps] 30l-1 Relay Source (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Sat Mar 1 17:29:25 2003; Rich, I'm pretty sure the Nebraska Radio Sales catalog carries and equiv or possibly original mfg'd relay for the 30L-1. pat aa6eg@hotmail.com To: <amps@contesting.com> ______________________________; /archives//html/Amps/2003-03/msg00014.html (7,077 bytes)
11. [Amps] Just acquired nice Intermod Test Fixture (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Mar 4 18:56:01 2003; Folks, I just picked up an HF intermod test fixture, originally owned by Bill Orr, W6SAI. It consists of a synthesized 2 tone audio generator/mixer, a military, solid state spectrum analyzer tailored; /archives//html/Amps/2003-03/msg00133.html (7,476 bytes)
12. [Amps] Elecraft K-2 Design presentations (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Mar 4 19:01:51 2003; Tom Said.... Look at close-spaced receiver tests at: http://www.w8ji.com/receiver_tests.htm The cheap (old technology) K2 receiver which isn't especially well-designed equals or beats all of the rece; /archives//html/Amps/2003-03/msg00134.html (9,852 bytes)
13. [Amps] Tone Selection 2 tone, 3 Tone (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Wed Mar 5 20:57:26 2003; What would be a good selction of tone frequncies to use if: 1. Two Tone Testing 2. Three Tone Testing Pat aa6eg@hotmail.com _________________________________________________________________ Tired of; /archives//html/Amps/2003-03/msg00222.html (6,458 bytes)
14. [Amps] Magnetic Shunts (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Mar 18 11:33:59 2003; Hello Bill and Group, Now, I get to learn something. This is really great. I understand the concept, but not the implementation of a current limited transformer, and remember reading about it when I; /archives//html/Amps/2003-03/msg00677.html (8,707 bytes)
15. [Amps] HV connectors (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Mar 18 13:31:36 2003; Re Millen HV connectors: Being around amps, homebrew and otherwise, I have become extra cautious with respect to HV supplies and interconnects. My Drake L-4B uses what appears to be a polyetheleyne i; /archives//html/Amps/2003-03/msg00681.html (7,062 bytes)
16. [Amps] FL2100 572B Failure Mode (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Sat Mar 22 19:15:43 2003; Folks, Some time back we had failures of 572Bs in the Yaesu 2100 amplifier we used at the club station. First indication was excessive plate current and red hot graphite plate in one of the 572Bs. Ev; /archives//html/Amps/2003-03/msg00781.html (8,112 bytes)
17. [Amps] Operations/precautions Manual for Club (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Tue Feb 11 18:02:44 2003; Hello Folks, I am tasked with writing a operations manual for our club station on the Monterey Peninsula for a soon to be larger group of relatively new hams. We have and will emphasize HF operations; /archives//html/Amps/2003-02/msg00263.html (8,346 bytes)
18. [Amps] L-4B High power (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Fri Feb 14 20:04:28 2003; Folks, It seems the limitation on the Drake L-4B wrt trying for 1500 watts out, is due to the low plate voltage design chosen from times past, making the 3-500Zs less capable of maximum power out. Ra; /archives//html/Amps/2003-02/msg00328.html (9,905 bytes)
19. [Amps] HV Filter Caps Source (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Thu Feb 27 20:17:26 2003; Can anyone recommend a source for good computer grade Digikey, surprisingly, has a pretty wide choice of HV high value Capacitors. Interestingly enough, our good old Drake amp P/S transformer just g; /archives//html/Amps/2003-02/msg00503.html (7,174 bytes)
20. [Amps] Phenolic? (score: 178): Author: aa6eg at hotmail.com (Pat Barthelow); Date: Thu Feb 27 21:24:20 2003; Jeff, I Can't 'see' what you are talking about, but if I guess a reddish resin material with multi layers of fine cloth imbedded, Rock sturdy, not brittle....It's probably phenolic. We've got some 1"; /archives//html/Amps/2003-02/msg00505.html (7,685 bytes)

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