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References: [ +from:K4GVT@comcast.net: 32 ]

Total 32 documents matching your query.

21. Re: [Amps] Death and funeral of Peter W. Dahl (score: 1)
Author: George <K4GVT@comcast.net>
Date: Fri, 19 Aug 2011 15:25:14 -0400
Lon, sorry to hear the news and the loss of your Friend as well as an icon in the Ham community. 73, George, K4GVT _______________________________________________ Amps mailing list Amps@contesting.co
/archives//html/Amps/2011-08/msg00093.html (7,824 bytes)

22. Re: [Amps] MRFE6VP Datasheet (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sun, 21 Aug 2011 09:34:58 -0400
Very nice work Peter, thank you for the details and great pictures. 73, George, K4GVT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com
/archives//html/Amps/2011-08/msg00123.html (7,343 bytes)

23. Re: [Amps] Overdrive protection (score: 1)
Author: George <K4GVT@comcast.net>
Date: Thu, 26 Jul 2012 12:47:25 -0400
Vic, my ARD 230A using 3CX800's built in the 80's has this feature. If you drive it a little heavy it'll start warning you and give you a few seconds to stop before shutting down. If you hit it real
/archives//html/Amps/2012-07/msg00269.html (8,336 bytes)

24. [Amps] FS ARD-230A amplifier (score: 1)
Author: George <K4GVT@comcast.net>
Date: Thu, 03 Jan 2013 11:37:24 -0500
Folks, I have for sale a ADR-230A auto-tune amplifier 160M - 10M using two 3CX800A7. Amplifier works very well, auto-tunes within two seconds, can be manually tuned if desired. This amp is far before
/archives//html/Amps/2013-01/msg00027.html (7,146 bytes)

25. Re: [Amps] Freescale LDMOS devices (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sat, 09 Mar 2013 09:23:52 -0500
John, sounds like a great commercial project with quite an end result most Hams will never see. I am very curious about your testing. Be very interested if you had any fault history for the MRFE6VP61
/archives//html/Amps/2013-03/msg00110.html (8,963 bytes)

26. Re: [Amps] FW:  Power factor correction on tube amps (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sat, 09 Mar 2013 14:21:13 -0500
Once being an ISO9002 auditor, I found it difficult to accept that you can actually send defective product out the door as long as your polices and procedures are in place to manage the issue. Conseq
/archives//html/Amps/2013-03/msg00114.html (12,242 bytes)

27. Re: [Amps] Freescale LDMOS devices (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sat, 09 Mar 2013 19:42:44 -0500
Very nice Paul, have you put it through the ringer regarding mismatch, open, or short. 73, George, K4GVT Paul, KG7HF Date: Sat, 09 Mar 2013 09:23:52 -0500 From: George To: jtml@vla.com Cc: amps@conte
/archives//html/Amps/2013-03/msg00124.html (9,302 bytes)

28. Re: [Amps] FW: Power factor correction on tube amps (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sat, 09 Mar 2013 20:01:03 -0500
Roger, as ISO9001 goes, if you write it, you follow it! I remember going through the certification process and questioning the legitimacy of a policy that allows for non-conforming product to be ship
/archives//html/Amps/2013-03/msg00126.html (11,807 bytes)

29. Re: [Amps] Freescale LDMOS devices / load mismatch survival (score: 1)
Author: George <K4GVT@comcast.net>
Date: Sun, 10 Mar 2013 09:25:47 -0400
Leigh, the idea of having a device without external means for protection is intriguing. A device that can sustain such repetitive abuse and continue to operate is really something. As you said stated
/archives//html/Amps/2013-03/msg00142.html (11,282 bytes)

30. Re: [Amps] Freescale LDMOS devices / load mismatch survival (score: 1)
Author: George <K4GVT@comcast.net>
Date: Mon, 11 Mar 2013 09:28:50 -0400
Your so right Leigh, isn't it nice to see a high power semiconductor that gives you a moment to react before shutdown or taking corrective action without destruction. 73, George, K4GVT Nevertheless,
/archives//html/Amps/2013-03/msg00170.html (13,158 bytes)

31. Re: [Amps] Freescale LDMOS devices / load mismatch survival (score: 1)
Author: George <K4GVT@comcast.net>
Date: Mon, 11 Mar 2013 09:37:17 -0400
Very nice project, nicely built and quite the survival test. Thank you for sharing the data and great pictures. 73, George, K4GVT On 3/11/2013 4:14 AM, Peter Frenning [OZ1PIF] wrote: Den 11-03-2013 0
/archives//html/Amps/2013-03/msg00171.html (9,152 bytes)

32. [Amps] RF output modules for sale (score: 1)
Author: George <K4GVT@comcast.net>
Date: Wed, 08 May 2013 16:06:04 -0400
Folks, I have an assortment of new _never used_ old stock RF power output modules for sale below. I'll have them at Dayton if your interested please let me know. Spaces 103-105 3 S-AV4 10W 430-450MHz
/archives//html/Amps/2013-05/msg00138.html (6,655 bytes)


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