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41. Re: [Amps] Solid State Amps (score: 1): Author: "Steve Thompson" <g8gsq@ic24.net>; Date: Fri, 8 Apr 2005 21:39:11 +0100; Did I mention resistance wire? Magic comes in many forms. Some of these include people who don't know better believing in nonsense, people who should know better believing in nonsense and people who; /archives//html/Amps/2005-04/msg00186.html (9,736 bytes)
42. Re: [Amps] Solid State Amps (score: 1): Author: Theo Bellamy <Theo.Bellamy@Spirittelecom.com>; Date: Fri, 08 Apr 2005 16:42:15 -0400; Any sufficiently advanced technology is indistinguishable from magic. Arthur C. Clarke, "Profiles of The Future", 1961 The _______________________________________________ Amps mailing list Amps@conte; /archives//html/Amps/2005-04/msg00187.html (9,174 bytes)
43. Re: [Amps] Solid State Amps (score: 1): Author: "Steve Thompson" <g8gsq@ic24.net>; Date: Fri, 8 Apr 2005 21:47:01 +0100; There's no shortage of 'parasites', they just mutate into different forms. When an apps engineer I remember working on a customer's amp which would hoot given a particular combination of drive and lo; /archives//html/Amps/2005-04/msg00188.html (9,306 bytes)
44. Re: [Amps] Solid State Amps (score: 1): Author: "Steve Thompson" <g8gsq@ic24.net>; Date: Fri, 8 Apr 2005 21:48:04 +0100; I'd forgotton that one. Shame on me. Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2005-04/msg00189.html (8,576 bytes)
45. Re: [Amps] Solid State Amps (score: 1): Author: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>; Date: Fri, 8 Apr 2005 18:31:36 -0500; <<Plenty of melted gold, maybe not tiny balls, more like puddles>> Wow! If there is that much gold in 8877's... it makes me think I should start mining them! Sincerely, Dr. William J. Schmidt, II K9H; /archives//html/Amps/2005-04/msg00192.html (11,447 bytes)
46. Re: [Amps] Solid State Amps (score: 1): Author: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>; Date: Fri, 8 Apr 2005 18:38:38 -0500; Not ready to "drink the Kool-aid" yet eh? Sincerely, Dr. William J. Schmidt, II K9HZ Trustee of the North American QRO - Central Division Club - K9ZC Email: bill@wjschmidt.com WebPage: www.wjschmidt.; /archives//html/Amps/2005-04/msg00193.html (11,062 bytes)
47. Re: [Amps] Solid State Amps (score: 1): Author: Richard Measures <r@somis.org>; Date: Fri, 8 Apr 2005 18:10:49 -0700; For those who do not know how to transform Z to Y and Y to Z, the process is nonsense. http://www.somis.org/YtoZ.GIF It's always a deception, Steve. Rich Measures, 805.386.3734, AG6K, www.somis.org _; /archives//html/Amps/2005-04/msg00194.html (10,832 bytes)
48. Re: [Amps] Solid State Amps (score: 1): Author: "Steve Thompson" <g8gsq@ic24.net>; Date: Sat, 9 Apr 2005 07:34:26 +0100; Last time I checked, a few years ago, a gold reclaim recycler would give about $1 for a dud rf device (we were supplying them by the bucketload). Steve _______________________________________________; /archives//html/Amps/2005-04/msg00196.html (8,675 bytes)
49. Re: [Amps] Solid State Amps (score: 1): Author: Richard Measures <r@somis.org>; Date: Sat, 9 Apr 2005 03:59:51 -0700; My guess is that an 8877 contains perhaps few grams of gold and c. 400g of copper. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list A; /archives//html/Amps/2005-04/msg00198.html (9,220 bytes)
50. [Amps] Solid State Amps (score: 1): Author: Manfred Mornhinweg <manfred@ludens.cl>; Date: Fri, 17 Oct 2014 18:24:13 +0000; Dear all, Dan touched the subject of solid state amps, and Louis was quick to state that most hams would prefer a good tube amp. If you ask me, the performance/cost ratio will dictate what hams final; /archives//html/Amps/2014-10/msg00125.html (15,127 bytes)
51. Re: [Amps] Solid State Amps (score: 1): Author: "L L bahr " <pulsarxp@embarqmail.com>; Date: Fri, 17 Oct 2014 14:41:19 -0400 (EDT); What turns me off to Solid State is the fact when you need replacement transistors, they most likely have become obsolete. I'm tired of it. Same with displays. You need to throw the radio away becaus; /archives//html/Amps/2014-10/msg00126.html (14,855 bytes)
52. Re: [Amps] Solid State Amps (score: 1): Author: "Col. Paul E. Cater" <paulecater@gmail.com>; Date: Fri, 17 Oct 2014 14:48:42 -0400; Great post Manfred--I am looking forward to reading all the replies. Paul WD8OSU _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mail; /archives//html/Amps/2014-10/msg00127.html (15,906 bytes)
53. Re: [Amps] Solid State Amps (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Fri, 17 Oct 2014 14:54:30 -0400; Manfred, Love the thinking-outside-the-box! Has someone patented this who might block production? Any concerns about potential RFI from a switching-amp in a rf-amp circuit? Has anyone tried this befo; /archives//html/Amps/2014-10/msg00128.html (15,503 bytes)
54. Re: [Amps] Solid State Amps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Fri, 17 Oct 2014 14:56:17 -0400; - A good active linearization circuit can produce far better linearity than class AB with 10dB of negative feedback, and even better than that of tetrodes. With a linearizer running as an adaptive pr; /archives//html/Amps/2014-10/msg00129.html (9,463 bytes)
55. Re: [Amps] Solid State Amps (score: 1): Author: Dan Simmonds <info@dedicatedrf.com>; Date: Fri, 17 Oct 2014 15:29:54 -0400; Hi Lee, Good point. Two comments: With pre-planning, this parts obscurity dilemma can be mitigated significantly by selecting more popular parts sharing commonality. You mention displays....a perfect; /archives//html/Amps/2014-10/msg00130.html (8,770 bytes)
56. Re: [Amps] Solid State Amps (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Fri, 17 Oct 2014 14:22:43 -0600; A fascinating writeup, Manfred. Thanks! Wonder if you could elaborate or provide a referene on "... we need to place our RF power transistors in half bridge or full bridge configurations, with effect; /archives//html/Amps/2014-10/msg00132.html (16,876 bytes)
57. Re: [Amps] Solid State Amps (score: 1): Author: "Col. Paul E. Cater" <paulecater@gmail.com>; Date: Fri, 17 Oct 2014 16:46:56 -0400; To add to Jim's comments, what about all the stand alone devices coming out these days? I have been working on one of W6PQL's 2 meter jobs using the Freescale devices or the BLF578XR; BLF578XRS. The; /archives//html/Amps/2014-10/msg00133.html (18,842 bytes)
58. Re: [Amps] Solid State Amps (score: 1): Author: "Carl" <km1h@jeremy.qozzy.com>; Date: Fri, 17 Oct 2014 17:56:27 -0400; Ive noticed over a wide swath of amp and other forums that SS is becoming more popular but seemingly misunderstood by most even more so than tube amps. The majority appear to be the newer generation; /archives//html/Amps/2014-10/msg00135.html (18,308 bytes)
59. [Amps] solid state amps (score: 1): Author: "Dick Hanson" <dick@dkhanson.com>; Date: Fri, 17 Oct 2014 17:00:49 -0500; Glad to see all the really interesting thread comments from a number of known amp builders. Since some of the builders have extensive uWave experience and know a fair amount about available devices e; /archives//html/Amps/2014-10/msg00136.html (8,670 bytes)
60. Re: [Amps] Solid State Amps (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Fri, 17 Oct 2014 18:04:26 -0400; Carl, Are these something like the Latin "Caveat emptor"? I recall tuning a sweep tube amp at a club station - it could get exciting trying to get it done within the allowable seconds before the tube; /archives//html/Amps/2014-10/msg00137.html (9,330 bytes)

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