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101. [AMPS] Semi-OT Power supply question (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Mon, 26 Jun 2000 17:10:17 PDT; Phil, It could be a bad transistor, but go ahead and check the value of the wirewound (typically 5 or 10 watt) equalization resistors on the pass transistors, also. If one of them changes value, it c; /archives//html/Amps/2000-06/msg00424.html (7,429 bytes)
102. [AMPS] Power Handling Capability of Coax Cable (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 04 May 2000 11:59:04 PDT; I have to agree with Rich here. In the CB Radio shootout scene, typical 10 second keydowns I have repeatedly put a 3CX3000 run WAY over ratings into 213... Typical about 18Kw (high plate volts, and W; /archives//html/Amps/2000-05/msg00047.html (8,744 bytes)
103. [AMPS] laugh for the week... (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Fri, 19 May 2000 06:47:07 PDT; Hmm..... Must not be a very good amplifier, even for the CB crowd... And I wonder about the combiner... 72 transistors isn't combined very well.. Brute force Wilkinson? At 19.5 volts collector, my 32; /archives//html/Amps/2000-05/msg00239.html (7,322 bytes)
104. [AMPS] Can anyone Identify an Amplifier part? (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Mon, 03 Apr 2000 10:51:23 PDT; The parts in question are capacitors. They take the place of the dipped micas and offer a little better tolerance, as well as (sometimes) higher working voltages. Hope this helps. Usually made by Une; /archives//html/Amps/2000-04/msg00015.html (7,468 bytes)
105. [AMPS] Military Surplus Conversion on VHF amp (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 06 Apr 2000 06:18:37 PDT; In the 4CX250 amps that I have built, I run 2200 volts on the plates (or slightly more), 350 volts to the screen and between -65 and -80 on the grid. This is in grid driven service. Provides nice amp; /archives//html/Amps/2000-04/msg00036.html (7,357 bytes)
106. [AMPS] Wanted.... L4B RF Deck (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Tue, 14 Mar 2000 09:39:59 PST; Hello All: Looking for a Drake L4B RF deck.. Don't need power supply, just a good RF deck. Tubes not necessary, either. If anyone has one they are willing to part with, please let me know condition a; /archives//html/Amps/2000-03/msg00672.html (7,032 bytes)
107. [AMPS] Wire size (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Fri, 04 Feb 2000 07:38:03 PST; I'm going to power a solid state amp with about 120 amps of 13vdc. I'll need about 6-8 feet of wire to get from the PS to the amp. What wire size should I use? 73, Vic, K2VCO Fresno CA Vic, First, yo; /archives//html/Amps/2000-02/msg00070.html (9,169 bytes)
108. [AMPS] FL2100Z problems (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Tue, 08 Feb 2000 07:44:20 PST; http://www.rfparts.com/technical.html The FL2100 has a known problem using the Svetlana tubes, due to the higher mU of them... Change the configuration of the bias circuit to a FWdoubler rather than; /archives//html/Amps/2000-02/msg00122.html (7,257 bytes)
109. [AMPS] Input power question (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Tue, 25 Jan 2000 12:36:22 PST; The answer to this problem is unrealistically simple... Their is reactance on the line. When changing the length of the coax changes the SWR on the line you have proven this point. Either the input t; /archives//html/Amps/2000-01/msg00520.html (11,197 bytes)
110. [AMPS] Output power question (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Wed, 26 Jan 2000 05:48:07 PST; After reading the info on "Input power question", it got me thinking about my output power problem. When I first installed my Acom 2000A on the desktop it performed very well including full output on; /archives//html/Amps/2000-01/msg00533.html (7,804 bytes)
111. [AMPS] WTB Eimac SK800 Socket for 4CX1000A (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Wed, 08 Dec 1999 07:46:01 PST; Need a socket for the 4CX1000A... Anyone have a spare they want to let go for the next project? Shane ______________________________________________________ Get Your Private, Free Email at http://www; /archives//html/Amps/1999-12/msg00055.html (6,782 bytes)
112. [AMPS] Practical application of the DAFfy Amp... (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 23 Dec 1999 10:50:43 PST; Although I read, and generally limit myself to posting, it seems that their are some people who wonder what the DAF will do.... The DAF circuit was used in the CB world for quite a long time in a lin; /archives//html/Amps/1999-12/msg00369.html (8,514 bytes)
113. [AMPS] Big Radios.... (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 14 Oct 1999 09:11:24 PDT; I don't know if laughing more to the claimed amplifier structure and performances or to who believes it. (repost this message next april 1st) 73, Mauri I4JMY Mauri, What did you find hard to believe; /archives//html/Amps/1999-10/msg00454.html (7,813 bytes)
114. R: [AMPS] You gotta read this.... (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 14 Oct 1999 12:04:31 PDT; Phil, 4CX15000 is a tetrode whose single tone power output is theorically 36 Kw, as per Eimac data sheet., but the obtainable power by such kind of tubes is generally much less when talking about con; /archives//html/Amps/1999-10/msg00460.html (12,380 bytes)
115. [AMPS] Thanks, Dan. (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Thu, 14 Oct 1999 20:10:02 PDT; Technical aspects aside, it sounds as though you are trying to put these extremely overpower, illegal and dangerous CBers a class with those Ham Radio operators who run between a little to quite a bi; /archives//html/Amps/1999-10/msg00481.html (9,339 bytes)
116. [AMPS] Dan is a hypocrit (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Mon, 18 Oct 1999 06:13:21 PDT; Technical aspects aside, it sounds as though you are trying to put these extremely overpower, illegal and dangerous CBers a class with those Ham Radio operators who run between a little to quite a b; /archives//html/Amps/1999-10/msg00529.html (9,915 bytes)

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