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61. [AMPS] Blown TL922A... What to do? (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Wed, 13 Sep 2000 15:54:41 -0400; That incident was another terrible shame. I believe the issue presented was whether a conjugate match exists at the output of a vacuum tube-based amplifier at a condition of maximum power transfer.; /archives//html/Amps/2000-09/msg00629.html (10,935 bytes)
62. [AMPS] Watt meters (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Tue, 26 Sep 2000 22:35:21 -0400; Count your blessings. In the corporate telecommunications world, nothing is in stock or inventoried...and I mean nothing. Every piece of equipment or component that I project manage is 6 - 10 weeks; /archives//html/Amps/2000-09/msg01078.html (8,173 bytes)
63. [AMPS] Suppressors, measurements, and acrimonious blather (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Thu, 3 Aug 2000 08:33:42 -0400; Help me here. Isn't this the purpose of the suppressor? That is , it's function in design is not only to limit parasitic currents to a "negligible level," but more importantly "suppress" the oscilla; /archives//html/Amps/2000-08/msg00042.html (11,092 bytes)
64. [AMPS] New Amplifier Manufacturer (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Mon, 12 Jun 2000 13:18:45 -0400; Check out the following link: http://www.cticomtec.com/index.html A new company, located in northeast Florida is producing a new line of amplifiers that take on many attributes of the classic amplifi; /archives//html/Amps/2000-06/msg00114.html (8,321 bytes)
65. [AMPS] Commander 2500E (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Wed, 14 Jun 2000 17:12:14 -0400; Phil: Don Payne was a distributor of some of the best classic and "esoteric" genre of amateur gear during the '60s, '70s, and perhaps into the '80s. I believe his product line included among others,; /archives//html/Amps/2000-06/msg00182.html (10,341 bytes)
66. [AMPS] New Amplifier Manufacturer (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Fri, 16 Jun 2000 13:41:47 -0400; I suspect they are targeting to a very select and esoteric market, one which caters to those who crave the look, feel and design of the older James Millen, E.F. Johnson, Collins, et. al. product line; /archives//html/Amps/2000-06/msg00214.html (9,632 bytes)
67. [AMPS] ssr's in qro amps (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Sun, 25 Jun 2000 15:01:31 -0400; I have found SSRs to be ultimately reliable, particularly in the presence of strong 100KW FM and 50KW AM broadcast field intensities where I had installed countless SSRs as a solid-state relay replac; /archives//html/Amps/2000-06/msg00385.html (11,655 bytes)
68. [AMPS] SS750 output -- more tests (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Mon, 8 May 2000 10:22:07 -0400; Someone help me here. Are these Henry sold-state amplifiers "linear" or of another type which operates under a different class of efficiency? If these are truly "linear" amplifiers, shouldn't the gai; /archives//html/Amps/2000-05/msg00103.html (12,309 bytes)
69. [AMPS] QSK5 Unit (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Thu, 18 May 2000 13:23:13 -0400; As an alternative, I presently use a CMOS II keyer with an "auxiliary" open-collector transistor to ensure that the amp is keyed fractionally ahead of the transceiver. The primary keyer output conne; /archives//html/Amps/2000-05/msg00220.html (8,323 bytes)
70. [AMPS] QSK5 Unit (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Thu, 18 May 2000 14:49:10 -0400; Until I started experimenting with QSK timing, I never used a scope. Now, I leave it on-line all the time and I would never do without it. It's interesting to not only hear, but see the effects of an; /archives//html/Amps/2000-05/msg00224.html (9,816 bytes)
71. [AMPS] Bird R.F. Sample (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Fri, 19 May 2000 09:09:48 -0400; Since my post yesterday, I've had several inquiries relating to the method I use for sampling my R.F. output into my scope. Although, there are much cheaper (homebrewed) alternatives using simple ind; /archives//html/Amps/2000-05/msg00238.html (10,352 bytes)
72. [AMPS] Emtron DX1 (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Fri, 26 May 2000 08:56:24 -0400; requirements that I keep hoping that someone will resurrect the vapor-phase method of cooling and incorporate it into commercial amplifier. Despite perceptions, the method is nearly maintenance-free; /archives//html/Amps/2000-05/msg00296.html (10,126 bytes)
73. [AMPS] Emtron DX1 (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Fri, 26 May 2000 12:49:47 -0400; Very true Rich. As a practical matter, one generally changes the water every six months or 3,000 miles, which ever occurs first. I see very little H.V. leakage due to the effects of water contaminat; /archives//html/Amps/2000-05/msg00306.html (8,725 bytes)
74. [AMPS] Shipping Valuable Equipment (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Wed, 29 Mar 2000 09:46:21 -0500; Recently, I shipped a very expensive H.F. amplifier ($5K+) to a purchaser who responded to a posted ad on rec.radio.swap or eHam's classified section. The amplifier was shipped as promised, and accor; /archives//html/Amps/2000-03/msg01059.html (8,098 bytes)
75. [AMPS] D&C Electronics (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Thu, 13 Jan 2000 13:44:45 -0500; Does anyone have any information on D&C Electronics in Florida? Apparently, they are rebuilders of power tubes, much like Econco and Freeland Products. Thanks! -Paul, W9AC -- FAQ on WWW: http://www.c; /archives//html/Amps/2000-01/msg00262.html (6,618 bytes)
76. [AMPS] Arco trimmers (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Mon, 9 Aug 1999 19:03:33 -0400; R.F. Parts and Surplus Sales of Nebraska carry a full line of ARCO trimmers. Here are their web URLs: http://www.rfparts.com/ http://www.surplussales.com/ -Paul, W9AC trimmers -- FAQ on WWW: http://w; /archives//html/Amps/1999-08/msg00178.html (8,270 bytes)
77. [AMPS] RJ-1 relay etc (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Mon, 5 Jul 1999 15:39:57 -0400; For what it's worth, here's the method I use to ensure proper CW QSK sequencing and to avoid hot-switching. Although all but one of my amps is protected from hot-switching, it's still good, cheap ins; /archives//html/Amps/1999-07/msg00067.html (8,753 bytes)
78. [AMPS]RJ-iA relay contact-life on CW? (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Mon, 5 Jul 1999 18:36:45 -0400; Regarding amp interfacing with the Ten-Tec Omni Six (Plus): Unless the amp has internal protection against hot-switching, I strongly recommend: 1) Bypassing the Omni's internal amp relay, using the; /archives//html/Amps/1999-07/msg00075.html (10,055 bytes)
79. [AMPS] Amp Photos (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Sat, 26 Jun 1999 12:14:31 -0400; This is a multi-part message in MIME format. --=_NextPart_000_0648_01BEBFCD.72A269C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable All of you are to be co; /archives//html/Amps/1999-06/msg00722.html (12,195 bytes)
80. [AMPS] FS: Alpha/Power DAS (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Sun, 27 Jun 1999 15:44:40 -0400; I have a new, unused Alpha DAS Digital Antenna Selector. If interested, please reply via e-mail for additional details. Thanks. -Paul, W9AC -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submis; /archives//html/Amps/1999-06/msg00725.html (6,624 bytes)

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