- 21. [AMPS] Oh, those SMPS designs (score: 1)
- Author: cgroen@image.dk (Carsten Groen)
- Date: Tue, 15 Jun 1999 22:09:24 +0200
- Hi. With all this talk about SMPS designs, have any of you seen/tried the design from QEX Feb/1991 ? I have now gathered the parts, Transformer, IXYS FET's FET drivers, and a appropriate controller I
- /archives//html/Amps/1999-06/msg00464.html (7,412 bytes)
- 22. [AMPS] SMPS a la QEX (score: 1)
- Author: cgroen@image.dk (Carsten Groen)
- Date: Wed, 16 Jun 1999 22:36:18 +0200
- Hi Marv et all..... The QEX article about the SMPS, uses a very simple "controller" a CMOS 4001 coupled as a square wave oscillator, driving a couple of MJE200/MJE210, which then drives 4 small trans
- /archives//html/Amps/1999-06/msg00481.html (10,616 bytes)
- 23. [AMPS] Amplifier pictures (score: 1)
- Author: cgroen@image.dk (Carsten Groen)
- Date: Tue, 29 Jun 1999 22:36:06 +0200
- Hi All. Inspired by Larry Molitor, W7IUV, excellent initiative, i took some pictures of my "85 % finished" 2M Amplifier, and some pictures of my YC 156 HF amplifier parts. The building of the HF amp
- /archives//html/Amps/1999-06/msg00779.html (7,190 bytes)
- 24. [AMPS] 7289's and other uWave tubes (score: 1)
- Author: cgroen@image.dk (Carsten Groen)
- Date: Wed, 12 May 1999 19:41:45 +0200
- Hi John, I used to be on 23 CM EME with a 5M (15 feet) homemade dish. I used 4 of the N6CA amps in parallel, using 3 hybrids. The watercooling jackets I used, was made of a piece of copper tube that
- /archives//html/Amps/1999-05/msg00150.html (10,189 bytes)
- 25. [AMPS] cheap tubes--good power (score: 1)
- Author: cgroen@image.dk (Carsten Groen)
- Date: Sat, 20 Mar 1999 19:00:50 +0100
- Why not 3CPX5000A7/YC156 ?? They can be found for something like $300..$350 for fully tested & guaranteed tubes from people on this reflector. I KNOW THEY ARE NOT INSTANT ON !!! But, at 1500 W they w
- /archives//html/Amps/1999-03/msg00511.html (9,692 bytes)
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