- 1. [Amps] high power dual directional coupler (score: 1)
- Author: Geert PA3CSG <pa3csg@hoeplakee.nl>
- Date: Thu, 16 Jan 2014 07:28:46 +0100
- Hello! I am looking for a design of a directional coupler for HF, 1.8 to 30 MHz or if possible 50 MHz. Sofar I tried the original Bruene, that was not referenced to ground, and a tandem coupler were
- /archives//html/Amps/2014-01/msg00070.html (6,891 bytes)
- 2. Re: [Amps] 2xGS35b on HF (score: 1)
- Author: Geert PA3CSG <pa3csg@hoeplakee.nl>
- Date: Fri, 04 Apr 2014 18:55:02 +0200
- Hi Benny & list, I use a 2 X GS31 amp on HF. With 100W of drive you will see around 2kW. I run them in parallel with the grid grounded. Well below tube spec! I did worry about input impedances in the
- /archives//html/Amps/2014-04/msg00051.html (9,291 bytes)
- 3. Re: [Amps] Info on HP power supply (score: 1)
- Author: PA3CSG <pa3csg@hoeplakee.nl>
- Date: Tue, 08 Jul 2014 11:29:03 +0200
- Hello! I don know if this is exactly the same power supply. Please check: http://elweb.info/dokuwiki/doku.php?id=hp_3kw_netzteil_als_lader and http://www.inexess.com/bilder/hp3kwlader/poti_xx_zur_spa
- /archives//html/Amps/2014-07/msg00023.html (8,864 bytes)
- 4. [Amps] low band PA (score: 1)
- Author: PA3CSG <pa3csg@hoeplakee.nl>
- Date: Thu, 21 Aug 2014 18:59:04 +0200
- Hi! I did some googling on low band PA's using these SMPS fets. I am looking for a design for 160 and / or 80M. I could not find any serious PA's. There are several around for 138 and 500 Khz. Maybe
- /archives//html/Amps/2014-08/msg00050.html (6,564 bytes)
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