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21. [AMPS] Re: New G2DAF amplifier information (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sat, 18 Mar 2000 19:00:10 +0100; Gents, These are the parameters of the QBL 5/3500 used by me and others in a G2DAF circuit. The parameters are taken from the manufacturers book. HF Class B amplifier, single sideband (there are numb; /archives//html/Amps/2000-03/msg00806.html (12,785 bytes)
22. [AMPS] The G2DAF Amplifier; Intents and Purposes (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sun, 26 Mar 2000 22:41:31 +0200; The QBL 5/3500 does not work in GG, believe me. Could it be because it is not an Eimac tube... ? The world seems to spin around Eimac. Peter/SM2CEW -- FAQ on WWW: http://www.contesting.com/ampsfaq.ht; /archives//html/Amps/2000-03/msg00962.html (8,766 bytes)
23. [AMPS] The G2DAF Amplifier; Intents and Purposes (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sun, 26 Mar 2000 22:47:37 +0200; In my case, f. Wanted to use a tube that did not work in GG, without having to build the screen/grid supplies. Plus the fact that the tube is easy to drive with the DAF circuit, in my case 35W in giv; /archives//html/Amps/2000-03/msg00963.html (10,096 bytes)
24. [AMPS] The G2DAF Amplifier; Intents and Purposes (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Mon, 27 Mar 2000 07:26:16 +0200; Well, it has been tried, with no success. Could be that then the tubes were used and had little emission left as they were pulls from FM transmitters. A new tube might work. But 170W i a 'lotta' driv; /archives//html/Amps/2000-03/msg00973.html (9,569 bytes)
25. [AMPS] survey partially says... (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Tue, 04 Jan 2000 20:25:04 +0100; Just as much fun as watching paint dry.... Read my lips; "You are NOT a comedian " /Peter -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative request; /archives//html/Amps/2000-01/msg00090.html (7,553 bytes)
26. [AMPS] survey partially says... (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Tue, 04 Jan 2000 22:23:47 +0100; Guy's, guy's... Let's not get carried away here... this was a test. I too thought that Skipps answers to the survey were amusing and fun reading. My point is this, over the recent weeks we have debat; /archives//html/Amps/2000-01/msg00098.html (9,538 bytes)
27. [AMPS] Simplified Approach To Power Measurement (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sat, 15 Jan 2000 09:53:27 +0100; Larry, To me this indicates that you equal high power with having a poor signal, = bad IMD. People can be LOUD and sound very good too you know.... if the amp is designed for the job and the exciter; /archives//html/Amps/2000-01/msg00309.html (7,638 bytes)
28. [AMPS] New AMP Pix (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sat, 11 Dec 1999 08:47:46 +0100; Very nice amplifier Lee !! Congrats. /Peter SM2CEW -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems; /archives//html/Amps/1999-12/msg00106.html (8,116 bytes)
29. [AMPS] DAF-page updated... (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Thu, 30 Dec 1999 22:16:28 +0100; Gents, It seems to me that no matter what anyone say's or present about a DAF amp it is constantly being contested by the wise guys. On the other hand, Rich can say that he once heard a "DAF" amp tha; /archives//html/Amps/1999-12/msg00407.html (10,398 bytes)
30. [AMPS] DAF-page updated... (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Thu, 30 Dec 1999 23:55:50 +0100; Larry, The point is not being religous or part of a cult, but why go through the trouble of building grid and screen supplies with elaborate stabilizing for the big tetrode when it it not needed. Tha; /archives//html/Amps/1999-12/msg00409.html (14,389 bytes)
31. [AMPS] daf amplifier circuit, on air testing... (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Fri, 31 Dec 1999 13:37:27 +0100; I love it Skipp (Bush ??)! I note with interest what you say, the only thing I can say is that if Norm's amp is to be considered the standard of all DAF amps you are wrong. I can immidately point out; /archives//html/Amps/1999-12/msg00414.html (9,767 bytes)
32. [AMPS] QBL 5-3500 - How to feed it ? (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Tue, 19 Oct 1999 16:26:01 +0200; --==_2035566==_.ALT Content-Type: text/plain; charset="us-ascii" Hello Fabio, The QBL5-3500 is a nice tube. I use it in my 144 MHz EME amp and the HF amp (G2DAF circuit...) I run about 5 kV on the pl; /archives//html/Amps/1999-10/msg00554.html (8,925 bytes)
33. [AMPS] Opening tubes for inspection (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sun, 04 Jul 1999 11:12:26 +0200; Rich, How do you open the cheramic seal tubes to inspect them when they are dead ? Have a couple of interesting ones laying on the shelf... 73 Peter SM2CEW ? If one opens leaky tubes to see what's wh; /archives//html/Amps/1999-07/msg00032.html (7,531 bytes)
34. [AMPS] Re: PS diode equalizing (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Mon, 05 Jul 1999 18:48:19 +0200; Gents, The thing that made me decide not to use equalizing resistors in my diode stacks is that they have a tendency to catch fire when something goes wrong with the bridge. No fun ! Peter -- FAQ on; /archives//html/Amps/1999-07/msg00059.html (7,971 bytes)
35. [AMPS] DAF amplifier (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Wed, 14 Jul 1999 16:58:55 +0200; Gents, I am running one of these monsters of amplifiers and I must say that I have had very few complaints from fellow amateurs regarding my SSB signal. I had much more complaints when running a pair; /archives//html/Amps/1999-07/msg00279.html (9,734 bytes)
36. [AMPS] Svetlana 3CX800A7 (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sun, 25 Jul 1999 21:14:31 +0200; Gents, A friend of mine is looking for Svetlana 3CX800A7 (3CPX800A7). Anyone out there know where he can find either a good used tube or a new one at a decent price ? 73 de Peter/SM2CEW -- FAQ on WWW; /archives//html/Amps/1999-07/msg00452.html (6,805 bytes)
37. [AMPS] Bias for SB-220 (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Wed, 02 Jun 1999 21:05:28 +0200; Gee Boy's... You all talk about IMD, IP3 etc like this was the BIG problem on our ham bands these days.. The real problem is BAD OPERATING HABITS from BAD OPERATORS ! I use old radios (Drake TR7/R7,; /archives//html/Amps/1999-06/msg00057.html (9,823 bytes)
38. [AMPS] TL-922 Filament Transformer Protection (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sat, 05 Jun 1999 20:49:05 +0200; I recently put a new diode rectifier board for the screen voltage supply in my HF amp. I put it in the 'input' compartment of the amplifier and was a little careless not to put the board in the scree; /archives//html/Amps/1999-06/msg00147.html (10,759 bytes)
39. [AMPS] 7289's and other uWave tubes (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Thu, 13 May 1999 11:20:02 +0200; Hi, To overcome this troublesome issue with different threading I am now soldering all my coolers to the anode. Soldering/delsoldering is simple and I now have no difficulties accomodating any type o; /archives//html/Amps/1999-05/msg00160.html (9,096 bytes)
40. [AMPS] Instant ON.. (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Thu, 18 Mar 1999 18:48:02 +0100; I have been a DX-er for many years and this instant on thing is more a confidence thing than a must as I see it. How many pileups haven't we spend 10 - 60 minutes in to get through... ? It is just t; /archives//html/Amps/1999-03/msg00440.html (10,300 bytes)

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