Search String: Display: Description: Sort:

Results:

References: [ +from:dezrat@outlook.com: 433 ]

Total 433 documents matching your query.

81. Re: [Amps] Follow-up...re: Time to ask for help. (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 28 Jul 2015 01:01:33 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Agreed. I recall from an ARRL handbook 40 years ago that a .001 uF disk ceramic cap with leads about 1/2 inch was series resonant at six meters. Excellen
/archives//html/Amps/2015-07/msg00171.html (10,324 bytes)

82. Re: [Amps] Inductor Design and Voltage Breakdown (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Thu, 30 Jul 2015 18:12:04 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Go with that. Your 1650 volts is divided across 23 turns, so each turn only sees about 71 volts to the adjacent turns. And #10 wire is plenty large enoug
/archives//html/Amps/2015-07/msg00187.html (7,119 bytes)

83. Re: [Amps] MFJ-998RT Tuner (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Thu, 13 Aug 2015 18:38:07 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: That's going to be a very lossy antenna unless you have a highly conductive earth under it. Radiation from the bottom leg will be mostly absorbed by the
/archives//html/Amps/2015-08/msg00043.html (7,121 bytes)

84. Re: [Amps] Finale: Time to ask for help. (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Fri, 21 Aug 2015 06:24:26 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: LOL!! A new standard of amplifier performance is born! 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.c
/archives//html/Amps/2015-08/msg00067.html (7,107 bytes)

85. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Sun, 23 Aug 2015 00:10:46 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Operating class AB, you can figure between 60-65 percent efficiency when tuned for 1500 watts output. Even in grounded grid, 100 watts drive will be too
/archives//html/Amps/2015-08/msg00073.html (7,457 bytes)

86. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Mon, 24 Aug 2015 03:21:29 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: That's interesting. At 2250 VDC and .6 amps, the DC input is only 1350 watts. At 60% efficiency, the RF output would be 810 watts and the plate dissipati
/archives//html/Amps/2015-08/msg00080.html (8,277 bytes)

87. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 25 Aug 2015 01:23:10 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: The 3CX800 seems pretty fragile to me. For about the price of a pair of those you can get a single 8877 with its 25 watt grid dissipation and not have to
/archives//html/Amps/2015-08/msg00086.html (8,289 bytes)

88. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 25 Aug 2015 09:35:03 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: I paid just over $500 for a Pride brand (Chinese) 8877 about four years ago and it now has hundreds of hours of RTTY contesting on it and still has full
/archives//html/Amps/2015-08/msg00089.html (8,801 bytes)

89. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 25 Aug 2015 10:49:31 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: A lot of this is personal preference. I prefer triodes for simplicity and I prefer ceramic over glass for resistance to air leakage. Ceramic to metal see
/archives//html/Amps/2015-08/msg00092.html (8,943 bytes)

90. Re: [Amps] Amp output power (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 25 Aug 2015 10:52:20 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: That is an amazing amplifier. Did you build it yourself? 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting
/archives//html/Amps/2015-08/msg00093.html (8,763 bytes)

91. Re: [Amps] HT supply parts for GS35B in EU (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Wed, 2 Sep 2015 13:48:02 -0700
Just as a point of information... Several homebuilders have observed that the GS-35b needs to be run at about 4 kV to achieve a reasonable efficiency factor. I have run one myself at only 2.9 kV and
/archives//html/Amps/2015-09/msg00002.html (7,040 bytes)

92. Re: [Amps] Regulated filament current (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Thu, 3 Sep 2015 18:13:59 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Yes, that's what I would do too. The only caution is when you replace the tube you should readjust your setting. No doubt the tube's filament resistance
/archives//html/Amps/2015-09/msg00006.html (7,439 bytes)

93. Re: [Amps] vacuum relay (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 8 Sep 2015 19:24:18 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Don't know if they have that exact one, but Max-Gain has a pretty good selection: http://www.mgs4u.com/index.html And they are GREAT folks to deal with.
/archives//html/Amps/2015-09/msg00028.html (6,896 bytes)

94. Re: [Amps] Alpha 9500 Repair (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 15 Sep 2015 08:10:29 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Agreed. Arc protection is a weak point. I have owned two 9500's. The first one, about four years ago, arced when it was a few months old and blew out the
/archives//html/Amps/2015-09/msg00041.html (8,323 bytes)

95. Re: [Amps] Alpha 9500 Repair (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 15 Sep 2015 18:24:04 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: There are lots of 50 V 60 A supplies (3 kW) on eBay that are surplus from the telecom industry at cheap prices, in the range of $40 or so. Search eBay fo
/archives//html/Amps/2015-09/msg00044.html (7,640 bytes)

96. Re: [Amps] Alpha 9500 Repair (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Tue, 15 Sep 2015 20:59:52 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: Not quite what I'm looking for. 1. Not a true "brick on the key" amp at 1500 watts out. Close but no cigar. 2. Expensive. 73, Bill W6WRT ________________
/archives//html/Amps/2015-09/msg00047.html (7,914 bytes)

97. Re: [Amps] Question (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Fri, 9 Oct 2015 18:34:39 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: This group is dedicated to amplifiers and related issues. I think you would have better luck on eham.net. They have a great classified section including
/archives//html/Amps/2015-10/msg00025.html (7,149 bytes)

98. Re: [Amps] BLF188xr amp (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Wed, 14 Oct 2015 17:22:29 -0700
-- ORIGINAL MESSAGE --(may be snipped) REPLY: It isn't SWR that kills a transistor, it's the EFFECT of SWR - excess voltage or current at the drain. Instead of monitoring SWR, why not just monitor fo
/archives//html/Amps/2015-10/msg00042.html (8,744 bytes)

99. Re: [Amps] Dick Manual (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Thu, 29 Oct 2015 18:52:51 -0700
The original poster, ELoHi@gmx.com is a troll and should be unsubscribed IMO. 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest
/archives//html/Amps/2015-10/msg00079.html (6,915 bytes)

100. Re: [Amps] GS-35b 10M+6M dual-band (score: 1)
Author: Bill Turner <dezrat@outlook.com>
Date: Mon, 2 Nov 2015 13:30:41 -0800
-- ORIGINAL MESSAGE --(may be snipped) REPLY: That's a pretty simple amplifier. You don't really need a specific schematic, just follow good design principles. The ARRL handbook is your friend. Just
/archives//html/Amps/2015-11/msg00008.html (8,121 bytes)

Current List: 81 - 100
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]
This search system is powered by Namazu