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Total 8 documents matching your query.

1. [Amps] HV smps (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Thu, 26 Mar 2009 00:27:43 +0000 (UTC); hi amp builders, This is definitely much more of a challenge than I first thought it was going to be. http ://home.comcast.net/~kg7hf/PIC_0336. JPG http ://home.comcast.net/~kg7hf/PIC_0337. JPG The m; /archives//html/Amps/2009-03/msg00509.html (8,096 bytes)
2. Re: [Amps] HV smps (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 25 Mar 2009 20:42:10 -0400; Links with spaces removed "do not match any documents" How many watts will they be dissipating? 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com h; /archives//html/Amps/2009-03/msg00510.html (6,956 bytes)
3. Re: [Amps] HV smps (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Thu, 26 Mar 2009 02:09:07 +0000 (UTC); Hi Roger, Thanks for the reply. I honestly don't know how to figure that out, I would love to learn though! The part(s) I am using for the h-bridge are Fairchild FDH45N50F. They are rated at 5; /archives//html/Amps/2009-03/msg00511.html (7,249 bytes)
4. Re: [Amps] HV smps (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Thu, 26 Mar 2009 10:37:37 +0200; Hi Paul: Where can I get a schematic of the thing? I have about 6 years of design experience with offline SMPS, so I might be able to analyze it and maybe suggest a few tings. 73 and all the best: Al; /archives//html/Amps/2009-03/msg00512.html (8,349 bytes)
5. Re: [Amps] HV smps (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Thu, 26 Mar 2009 16:33:32 +0000 (UTC); A few brave builders have requested seeing the schematic to help me. I've uploaded the full schematic here: http://home.comcast.net/~kg7hf/FULL_amp.pdf The last page (4) is the h-bridge portion.; /archives//html/Amps/2009-03/msg00515.html (7,719 bytes)
6. [Amps] hv smps (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Wed, 1 Apr 2009 11:46:15 +0000 (UTC); Hi Jeff, Just so you know, most of that power supply schematic is lifted from Tim Hulick W9QQ, and the RF deck is lifted from Dick Stevens W1QWJ. I'm not sure it really turns out any cheaper, the cor; /archives//html/Amps/2009-04/msg00001.html (7,484 bytes)
7. Re: [Amps] hv smps (score: 1): Author: "Alex" <alexeban@gmail.com>; Date: Wed, 1 Apr 2009 17:48:42 +0200; You can find computer capacitors of 1000uF/200V at about$2 per copy 2 in series,as used in PC supplies mace for 500uF/400VDC caps. How many pairs do you need? Alex 4Z5KS Hi Jeff, Just so you know, mo; /archives//html/Amps/2009-04/msg00006.html (8,338 bytes)
8. Re: [Amps] hv smps (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Wed, 1 Apr 2009 22:39:15 +0000 (UTC); Hi Alex, Thanks for the kind offer, I've already got that part of the supply. The original article calls out for a 5100uF/400V cap, so one would need 10 pairs to get to 5000uF, which is not too muc; /archives//html/Amps/2009-04/msg00019.html (7,653 bytes)

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