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61. [AMPS] SS750 20 meter test and (maybe) explanation (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Tue, 9 May 2000 08:06:20 +0100; including +0.66 1.1:1. Looking at the gain and efficiency figures, it is behaving normally for an amp where the collector load impedance is too high. watts amps! the Yep - although it's not just the; /archives//html/Amps/2000-05/msg00117.html (10,788 bytes)
62. [AMPS] 50MHz 8877 amp. plate circuit (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Tue, 9 May 2000 08:20:18 +0100; --Original Message-- From: Phil Clements <philk5pc@tyler.net> To: Chris Tran GM3WOJ <gm3woj@talk21.com>; amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 08 May 2000 18:53 Su; /archives//html/Amps/2000-05/msg00118.html (8,683 bytes)
63. [AMPS] SS750 20 meter test and (maybe) explanation (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 10 May 2000 08:25:44 +0100; other the finished stated that At least they are meting the claimed spec. - my comment was meant as a sweeping generalisation, rather than a dig at Henry. I'm always disappointed that, with SSB the d; /archives//html/Amps/2000-05/msg00128.html (9,022 bytes)
64. [AMPS] SS750 20 meter test and (maybe) explanation (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 10 May 2000 08:28:21 +0100; --Original Message-- From: Vic Rosenthal <rakefet@rakefet.com> To: Steve Thompson <rfamps@ic24.net> Cc: Amps reflector <amps@contesting.com> To: <amps@contesting.com> Date: 09 May 2000 15:54 Subject:; /archives//html/Amps/2000-05/msg00129.html (8,808 bytes)
65. [AMPS] 50MHz 8877 amp. plate circuit (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 10 May 2000 08:31:50 +0100; everything I couldn't access the original today - did it use a vacuum loading cap? I fthat's the case, the one I'm trying to fix isn't a real copy and the inductance in the loading cap might be the p; /archives//html/Amps/2000-05/msg00130.html (8,829 bytes)
66. [AMPS] Info. Wanted -- MMD 530022 RF Power Transistor (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Sat, 13 May 2000 11:12:53 +0100; I remember MMD launching a band II 700W amplifier. Somewhere in my archives I have the RF Design article that came out when the module was announced. It sounds similar to what you have, with pairs of; /archives//html/Amps/2000-05/msg00145.html (9,631 bytes)
67. [AMPS] 12.5CM transmitter using microwave oven tube query (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 24 May 2000 11:59:17 -0700; There was one in RF Design too, quite a few years ago. Steve --Original Message-- From: Peter Chadwick <Peter_Chadwick@mitel.com> To: amps@contesting.com <amps@contesting.com>; 'wb4mnf@atl.org' <wb4m; /archives//html/Amps/2000-05/msg00271.html (8,599 bytes)
68. [AMPS] filament repairs (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Fri, 7 Apr 2000 14:21:58 -0700; I have a directly heated tube (QY4-400) where the filament has gone o/c. If I tap the anode, or use the hi-pot on the filament, it makes contact again. I don't know the filament arrangement internall; /archives//html/Amps/2000-04/msg00045.html (6,667 bytes)
69. [AMPS] High Voltage Connectors? (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 19 Apr 2000 08:19:47 +0100; -- be stores. SHV are the best if you can find them - only a bit more expensive. With MHV I think you can mate the centre with standard BNC, and also I think it's possible to make the centres contact; /archives//html/Amps/2000-04/msg00106.html (9,491 bytes)
70. [AMPS] Filament Inrush Current Limiting (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 26 Apr 2000 17:55:36 -0700; --Original Message-- From: RCM <robrk@pgh.net> To: Phil Clements <philk5pc@tyler.net> Cc: amps <amps@contesting.com> To: <amps@contesting.com> Date: 25 April 2000 23:28 Subject: Re: [AMPS] Filament I; /archives//html/Amps/2000-04/msg00169.html (8,511 bytes)
71. [AMPS] Filament Inrush Current Limiting (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Fri, 28 Apr 2000 07:48:22 +0100; To: <amps@contesting.com> somesuch. I can see that this happens if you draw current from a cathode that's too cold, but does it do any damage in standby? Steve -- FAQ on WWW: http://www.contesting.co; /archives//html/Amps/2000-04/msg00176.html (9,295 bytes)
72. [AMPS] Copper tube - semi-rigid (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Fri, 28 Apr 2000 17:35:27 -0700; Try gas pipe used in caravans. Steve --Original Message-- From: Mark Marsden <MM@plextek.co.uk> To: amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 28 April 2000 09:15 Subje; /archives//html/Amps/2000-04/msg00180.html (10,254 bytes)
73. [AMPS] GG tubes (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Tue, 7 Mar 2000 08:58:21 -0000; happened With the usual switched resistor in B-, there is a big grey area between low anode current and true cutoff. I've no idea what the gain might be at (say) 1mA or lower. With the output end of; /archives//html/Amps/2000-03/msg00339.html (7,190 bytes)
74. [AMPS] Re: Poor Science (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Tue, 7 Mar 2000 09:06:46 -0000; snip The original (17th century) use of 'fetish' relates to excessive devotion to objects or ideas, or belief in magical powers, and doesn't have any sexual connotation. Steve -- FAQ on WWW: http://w; /archives//html/Amps/2000-03/msg00340.html (9,244 bytes)
75. [AMPS] PEP and IMD (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Tue, 7 Mar 2000 09:09:40 -0000; It's a nitpicking point, but if 2 tone IMD is about -30dBc or worse, then you can't rely on PEP being 4 x single tone or 2 x average power. It's almost certainly lower. Steve -- FAQ on WWW: http://ww; /archives//html/Amps/2000-03/msg00341.html (6,658 bytes)
76. [AMPS] Re:poor science nw fetish (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 8 Mar 2000 08:13:52 -0000; sexual It just amused me that the older use wasn't entirely irrelevant in the context of the discussion. I'll give LA a miss. Do they have a branch in Sutter Street? Thanks, John. It's been a long ti; /archives//html/Amps/2000-03/msg00440.html (8,885 bytes)
77. [AMPS] Receiver performance (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Thu, 16 Mar 2000 18:03:12 -0800; I like my R4C too. I've snipped the bit about phase noise and IP3 for brevity, but it goes to show the danger of partial knowledge and/or information. Steve -- FAQ on WWW: http://www.contesting.com/; /archives//html/Amps/2000-03/msg00759.html (8,755 bytes)
78. [AMPS] 3/2 law, DAF, other musings (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 22 Mar 2000 07:58:27 -0000; There's been a lot of discussion covering some of these topics between my writing this and posting it. Sorry if I'm out of sync. anywhere. A few observations, not specifically related. I'm not trying; /archives//html/Amps/2000-03/msg00889.html (9,363 bytes)
79. [AMPS] Re: New G2DAF amplifier information (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Wed, 22 Mar 2000 08:10:47 -0000; --Original Message-- From: measures <2@vc.net> To: Colin Lamb <k7fm@teleport.com>; Peter Chadwick <Peter_Chadwick@mitel.com>; amps <amps@contesting.com> To: <amps@contesting.com> Date: 21 March 2000; /archives//html/Amps/2000-03/msg00890.html (10,787 bytes)
80. [AMPS] 3/2 law, DAF, other musings (score: 1): Author: rfamps@ic24.net (Steve Thompson); Date: Sat, 25 Mar 2000 07:19:15 -0000; --Original Message-- From: John Fielding <johnf@futurenet.co.za> To: Steve Thompson <rfamps@ic24.net>; amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 24 March 2000 08:06 Su; /archives//html/Amps/2000-03/msg00940.html (9,023 bytes)

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