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81. Re: [Amps] Teflon Caps (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 17 Mar 2010 15:50:03 -0500
I had ( have ? ) one of those babies somewhere. Light yellow oil. Rummaging through the ham shack. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com htt
/archives//html/Amps/2010-03/msg00354.html (7,630 bytes)

82. Re: [Amps] How much C in PS is too much. (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 23 Mar 2010 13:05:07 -0500
Use bigger leads. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-03/msg00500.html (7,012 bytes)

83. Re: [Amps] Good engineering (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 24 Mar 2010 08:29:27 -0500
Well call me "Crusty", 'cause I over-design everything from garden tractors to amps. What's overdesigned to you might be marginal for my purposes. Don WA4NPL _________________________________________
/archives//html/Amps/2010-03/msg00548.html (8,896 bytes)

84. Re: [Amps] Tuned Input for G-G 50Mhz amp (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 24 Mar 2010 22:00:02 -0500
Orr 19th says " Optimum linearity requires cathode-circuit Q that can only be supplied by a high-C tank circuit. " ( parallel tuned ) Don WA4NPL _______________________________________________ Amps m
/archives//html/Amps/2010-03/msg00599.html (11,752 bytes)

85. Re: [Amps] Why people don't build amps. (score: 1)
Author: donroden@hiwaay.net
Date: Fri, 26 Mar 2010 09:28:44 -0500
I think a 5000 would need a remote blower and lots of sound dampening measures to be a quiet desk-top amp. Other than more complexity, why hasn't the practice of using switched band specific ( or ran
/archives//html/Amps/2010-03/msg00637.html (8,375 bytes)

86. Re: [Amps] 'Good engineering' (score: 1)
Author: donroden@hiwaay.net
Date: Sat, 27 Mar 2010 11:31:18 -0500
I oft-times wonder what in the world it Or the guy who saw an egg drop out of a chicken. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.
/archives//html/Amps/2010-03/msg00689.html (8,829 bytes)

87. [Amps] 'good engineering' (score: 1)
Author: donroden@hiwaay.net
Date: Sun, 28 Mar 2010 21:12:28 -0500
If all I have on hand are a few 4CX5000s with sockets and filament transformers, are you telling me that I should not use them ? Don WA4NPL _______________________________________________ Amps mailin
/archives//html/Amps/2010-03/msg00733.html (9,656 bytes)

88. Re: [Amps] 'good engineering' (score: 1)
Author: donroden@hiwaay.net
Date: Sun, 28 Mar 2010 22:03:18 -0500
Thanks !! My shack is in a basement room and stays around 60 degrees even in the summer. I usually run a 1500 watt space heater. Hummmmm.... maybe three 5000s would totally replace the space heater.
/archives//html/Amps/2010-03/msg00737.html (10,843 bytes)

89. Re: [Amps] 'good engineering' (score: 1)
Author: donroden@hiwaay.net
Date: Sun, 28 Mar 2010 22:35:19 -0500
I have 250 feet of 3 1/8 inch coax hardline. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-03/msg00738.html (12,315 bytes)

90. Re: [Amps] me not an idiot (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 29 Mar 2010 10:20:19 -0500
I have a friend who owns a new Morgan. Don WA4NPL
/archives//html/Amps/2010-03/msg00792.html (8,715 bytes)

91. Re: [Amps] me not an idiot (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 29 Mar 2010 10:34:31 -0500
And you run deep class "A" and make the band a much nicer place to play. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/m
/archives//html/Amps/2010-03/msg00795.html (8,658 bytes)

92. Re: [Amps] 'good engineering' (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 29 Mar 2010 10:43:30 -0500
My TPO is totally dependent on the number of extension cords from the next room... one for the filaments, one for the screen supply, one or two for the plate ......... Don WA4NPL ____________________
/archives//html/Amps/2010-03/msg00798.html (9,537 bytes)

93. Re: [Amps] me not an idiot (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 29 Mar 2010 10:57:51 -0500
My cousin has a 24 foot pontoon boat in Chattanooga with a 200hp Black Max. I worry about the thing going airborne. It does pull skiiers well though !! Don WA4NPL ____________________________________
/archives//html/Amps/2010-03/msg00800.html (9,141 bytes)

94. Re: [Amps] coaxial stub on amplifier output (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 30 Mar 2010 07:57:33 -0500
Say what ??? Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-03/msg00858.html (8,293 bytes)

95. Re: [Amps] unbuilt SB-220 on Ebay.... WHY? (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 30 Mar 2010 17:39:47 -0500
Buy it for $1600 and when you build it, the worth drops to $800..... Makes sense to me. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.c
/archives//html/Amps/2010-03/msg00902.html (8,659 bytes)

96. Re: [Amps] unbuilt SB-220 GONE! (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 31 Mar 2010 00:02:10 -0500
I'll "unbuild" a KWM-2A if the price is right . Don WA4NPL Quoting N7KA@comcast.net: _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/
/archives//html/Amps/2010-03/msg00925.html (8,500 bytes)

97. Re: [Amps] Good engineering...More Car Computer Horror Stories (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 31 Mar 2010 09:52:14 -0500
I wondered what that was !! Thanks for the explanation. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/a
/archives//html/Amps/2010-03/msg00944.html (7,693 bytes)

98. Re: [Amps] coaxial stub on amplifier output (score: 1)
Author: donroden@hiwaay.net
Date: Sat, 03 Apr 2010 12:21:22 -0500
Or would the "zero-ohm" load absorb most of the harmonic ? ( a case for a high-pass filter terminated into a dummy load ? ) Don WA4NPL _______________________________________________ Amps mailing lis
/archives//html/Amps/2010-04/msg00044.html (10,376 bytes)

99. [Amps] Class C "squelch" for IMD ?? (score: 1)
Author: donroden@hiwaay.net
Date: Sat, 03 Apr 2010 12:54:46 -0500
2 meter Repeater Solid State 50 watt amp running class ( unknown, but some sort of semi-linear ssb compatable mode ) Mirage Class. The discussion last night on our six meter net was about how moving
/archives//html/Amps/2010-04/msg00046.html (7,511 bytes)

100. Re: [Amps] liquid cooling (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 05 Apr 2010 15:44:51 -0500
I've run vapor phase and water cooled klystrons for fourty years, and unless there is some compelling reason to vapor phase, I prefer keeping the coolant under 140 degrees f. ( That would be under 10
/archives//html/Amps/2010-04/msg00120.html (11,676 bytes)

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