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Total 4 documents matching your query.

1. [Amps] Solid state or tubes for HPAs (score: 1): Author: John Lyles <jtml@losalamos.com>; Date: Fri, 04 Oct 2013 13:12:12 -0600; Wednesday at the North American Particle Accelerator Conference in Pasadena, I presented my poster on the merits and problems of choosing transistors, IOTs, klystrons or tetrodes for VHF HPAs. The en; /archives//html/Amps/2013-10/msg00024.html (7,518 bytes)
2. Re: [Amps] Solid state or tubes for HPAs (score: 1): Author: Manfred Mornhinweg <manfred@ludens.cl>; Date: Sat, 05 Oct 2013 14:24:42 +0000; John, The engineer from another institution who was next to me had made a compact 6 kW CW amp at 1.3 GHz using RFMD gallium nitride transistors, 63 % efficient,linear, 64 transistors, water cooled. Q; /archives//html/Amps/2013-10/msg00039.html (9,252 bytes)
3. [Amps] Solid state or tubes for HPAs (score: 1): Author: Ignacy Misztal <no9e@arrl.net>; Date: Sat, 5 Oct 2013 22:27:53 -0400; Expert 2k-fa is showing the status of amps for HF. The lightest and the cheapest legal limit automatic amp although not 100% duty. Needs a few refinements, but 9500 needed refinements too. The next o; /archives//html/Amps/2013-10/msg00063.html (6,719 bytes)
4. Re: [Amps] Solid state or tubes for HPAs (score: 1): Author: Bill Turner <dezrat1242@yahoo.com>; Date: Sat, 05 Oct 2013 20:36:46 -0700; ORIGINAL MESSAGE: (may be snipped) REPLY: $8000? You're right, it needs some refinement. :-) 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http:; /archives//html/Amps/2013-10/msg00064.html (7,378 bytes)

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