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Total 19 documents matching your query.

1. [Amps] ENI MRI amplifier (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 28 Oct 2004 11:44:02 +0200 (MEST)
I wonder if anyone was succesful getting an ENI MR-5002 pulse power amp (from an MRI system) or similar amp to work as broadband amateur radio linear amplifier. Your reports will be highly appreciate
/archives//html/Amps/2004-10/msg00476.html (6,378 bytes)

2. Re: [Amps] My, my, what one can do with an 833A (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Tue, 23 Nov 2004 09:59:26 +0100 (MET)
Hey, $ 2.500 for a 2m lenght of AC power cord isn&acute;t that bad. Have to try this with my RF amp for a lot more output :-)) 73 Win DK9IP/KH7CD http://lists.contesting.com/mailman/listinfo/amps<htt
/archives//html/Amps/2004-11/msg00389.html (9,532 bytes)

3. Re: [Amps] High Voltage RF Transistors and Power Supply's (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 6 Jan 2005 12:40:43 +0100 (MET)
These APT Mosfets are good for high power amps but not for linear operation. The only linear amp design with APT mosfets I know of so far is a 6m 300W amplifier. See application note APT9802 ( http:/
/archives//html/Amps/2005-01/msg00069.html (9,898 bytes)

4. [Amps] Re: Mosfet amps (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 6 Jan 2005 19:21:35 +0100 (MET)
Trying to follow the links at http://dk9ip.ba-karlsruhe.de in my previous msg to AMPS may give you an error message. We had a server harddisk crash shortly after my post. Will take some hours to fix
/archives//html/Amps/2005-01/msg00078.html (6,634 bytes)

5. Re: [Amps] Solid state amps (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Fri, 7 Jan 2005 17:55:18 +0100 (MET)
Look at http://dk9ip.ba-karlsruhe.de/pdf/mosfetpa for the Granberg article with 2 x MRF154. The file name is AR347300Sharp.pdf 73 Win DK9IP/KH7CD -- +++ GMX - die erste Adresse f&uuml;r Mail, Message
/archives//html/Amps/2005-01/msg00097.html (9,319 bytes)

6. Re: [Amps] Solid state amps (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Fri, 7 Jan 2005 23:36:10 +0100 (MET)
Thats the reason we are looking for a way to use cheap plastic case Mosfets like the ones from APT to work in linear operation mode (at high power level)... 73 Win DK9IP -- +++ GMX - die erste Adress
/archives//html/Amps/2005-01/msg00107.html (8,412 bytes)

7. Re: [Amps] 500w Amplifier With 510's (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 7 Apr 2005 21:49:42 +0200 (MEST)
Another article for a 250 W (PEP) Mosfet amp using 6 x IRF810 which may be of interest for the group was published in german "Funkamateur" magazine 11/2004 and 12/2004 by DK6AE. An overwiew with pict
/archives//html/Amps/2005-04/msg00146.html (8,762 bytes)

8. Re: [Amps] ARF1505 (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Sat, 21 May 2005 01:16:37 +0200 (MEST)
Are these devices suitable for LINEAR operation ? 73 Win DK9IP/KH7CD a 700 link notice -- Weitersagen: GMX DSL-Flatrates mit Tempo-Garantie! Ab 4,99 Euro/Monat: http://www.gmx.net/de/go/dsl _________
/archives//html/Amps/2005-05/msg00222.html (9,123 bytes)

9. Re: [Amps] HV Switch Mode Power Supplies (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 23 Jun 2005 09:02:20 +0200 (MEST)
http://www.wattsunlimited.com have a 2500W SMPS. Works fine. 73 Win DK9IP/KH7CD -- Geschenkt: 3 Monate GMX ProMail gratis + 3 Ausgaben stern gratis ++ Jetzt anmelden & testen ++ http://www.gmx.net/de
/archives//html/Amps/2005-06/msg00192.html (9,289 bytes)

10. Re: [Amps] MLA-2500 Power Supply Capacity (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 19 Jan 2006 23:51:43 +0100 (MET)
Hi Bob, I have done the conversion using 2 x 3CPX800A7. With the original HV power supply I get fill legal limit output on 160-20m and 1300 W on 15 and 10m (measured on dummy load with Bird 43). In c
/archives//html/Amps/2006-01/msg00469.html (10,175 bytes)

11. Re: [Amps] [Moon-net] 4CX250B in P-P 2m? (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Sat, 1 Apr 2006 01:39:37 +0200 (MEST)
Why not consider to use 2 x 4CX350 tubes ? With the same setup and construction effort it&acute;s no problem to get an easy kW out. 73 Win DK9IP/KH7CD -- Analog-/ISDN-Nutzer sparen mit GMX SmartSurfe
/archives//html/Amps/2006-03/msg00811.html (10,654 bytes)

12. Re: [Amps] 3CX800A7 Orientation (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 17 Aug 2006 22:30:07 +0200
Bob, the MLA2500 conversion with vertical tube orientation isn&acute;t that hard to do either: http://dk9ip.ba-karlsruhe.de/pdf/mla2500/pics/ 73 Win DK9IP/KH7CD -- original message -- Datum: Wed, 16
/archives//html/Amps/2006-08/msg00533.html (8,063 bytes)

13. Re: [Amps] IC735 (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Tue, 21 Nov 2006 10:23:18 +0100
Carl, a search in Google (IC-735+service manual+download) points you to http://www.marcucci.it/english/download/index.htm where you can download the service manual (and many other ICOM manuals) for f
/archives//html/Amps/2006-11/msg00240.html (7,747 bytes)

14. Re: [Amps] TL922 Band Switch (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Sat, 04 Oct 2008 13:44:55 +0200
Hi Anton, here is an info from Don, KI6SZ from [AMPS] earlier this year. Hope this helps. 73 Win DK9IP/KH7CD Folks just an FYI -- after looking literally on every continent for the discontinued Kenwo
/archives//html/Amps/2008-10/msg00022.html (8,479 bytes)

15. Re: [Amps] TL-922 Band Switches (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Thu, 16 Apr 2009 23:14:36 +0200
Hi Jim, here is the info from Don, KI6SZ on [AMPS] 73 Win DK9IP/KH7CD Folks just an FYI -- after looking literally on every continent for the discontinued Kenwood TL-922 bandswitch, I bit the bullet
/archives//html/Amps/2009-04/msg00159.html (8,698 bytes)

16. Re: [Amps] Experience with Svetlana 3CX800A7? (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Mon, 29 Jun 2009 09:28:47 +0200
Jim, get some 3CPX800 pulls from WA8WZG or others, save money and be happy. These pulls are tested and will be replaced or refunded if you are not satisfied. 73 Win DK9IP / KH7CD -- GRATIS für alle G
/archives//html/Amps/2009-06/msg00139.html (8,851 bytes)

17. Re: [Amps] MLA-2500 retrofit. (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Wed, 03 Mar 2010 09:57:27 +0100
Jim, look here http://dk9ip.de/projects/mla2500/mla2500.html for my conversion using 2 x 3CPX800 and links to some other conversion designs. 73 Win DK9IP -- Original-Nachricht -- -- GRATIS für alle G
/archives//html/Amps/2010-03/msg00061.html (8,623 bytes)

18. Re: [Amps] Vaporized band switch contacts (score: 1)
Author: "Winfried Kriegl" <dk9ip@gmx.de>
Date: Tue, 06 Apr 2010 19:44:47 +0200
True for the contacts but if the ceramic wafer ist still ok you can restore it: http://home.arcor.de/dk9ip/repair/sb220 73, Win DK9IP -- Original-Nachricht -- -- GRATIS für alle GMX-Mitglieder: Die m
/archives//html/Amps/2010-04/msg00156.html (9,431 bytes)

19. Re: [Amps] Solid State Amps (score: 1)
Author: Winfried Kriegl <dk9ip@gmx.de>
Date: Sat, 18 Oct 2014 00:13:42 +0200
It´s a perfect german translation, Carl :-) 73 Win DK9IP Am 17.10.2014 23:56, schrieb Carl: Ive noticed over a wide swath of amp and other forums that SS is becoming more popular but seemingly misund
/archives//html/Amps/2014-10/msg00139.html (17,671 bytes)

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