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Total 130 documents matching your query.

101. [AMPS] Filament Inrush Current Limiting (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 25 Apr 2000 10:05:06 EDT; Specifically, is it necessary to limit inrush current at turn-on in a 8877 tube? If some filaments do not require current limiting, what is the characteristic of a filament which requires limiting th; /archives//html/Amps/2000-04/msg00128.html (8,217 bytes)
102. [AMPS] Practical PI Nets (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Sun, 30 Apr 2000 19:51:19 EDT; the then -- -- Bill, I am currently doing the same thing with a Pi-L tank. I use a carbon resistor of the proper value to simulate the anode impedance. I use a capacitance meter to set the proper val; /archives//html/Amps/2000-04/msg00207.html (7,917 bytes)
103. [AMPS] Practical PI Nets (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Sun, 30 Apr 2000 21:19:01 EDT; n2bc@stny.rr. C2, -- -- -- Phil, I hope seeing is believing............When I feed the output of my MFJ Antenna Analyzer into the output of the Pi-L tank, I tune the exciting frequency to obtain the; /archives//html/Amps/2000-04/msg00209.html (9,895 bytes)
104. [AMPS] poor science? (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Sun, 5 Mar 2000 19:52:52 EST; quite quite A physicist with any integrity and credibility would not counter someones contradictary argument with juvenile name calling as done above but with reasoned logic if he really does not int; /archives//html/Amps/2000-03/msg00198.html (9,731 bytes)
105. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 7 Mar 2000 10:18:06 EST; VHF power into a 5 Watt resistor and seeing if it can handle the power. So what is your point Jon? And........ Ohms at Wow....this is rocket science or is this from the General class question pool? T; /archives//html/Amps/2000-03/msg00378.html (12,626 bytes)
106. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 7 Mar 2000 23:01:43 EST; -- -- No Peter, I know there are times when you might think that we lads over here in the colonies are a bit slow on the uptake, or that we don't speak/write the King's English, so please read again; /archives//html/Amps/2000-03/msg00422.html (13,065 bytes)
107. SV: [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 7 Mar 2000 23:22:30 EST; Jon, I'm not sure what a parasitic resistor is but if you can assure me that they won't explode if I run 2M power into them for 2 seconds or break into parsitic oscillation, I'd like to buy two dozen; /archives//html/Amps/2000-03/msg00424.html (9,523 bytes)
108. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Wed, 8 Mar 2000 09:03:54 EST; not -- -- Anyone who has ever seen the results of such an arc discharge as I have described knows the Dr. Jon is ANAL RETENTIVE. This is enuf time wasted on this foolishness. Dave in Dayton, WT8R --; /archives//html/Amps/2000-03/msg00464.html (10,382 bytes)
109. SV: [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Wed, 8 Mar 2000 18:28:52 EST; into -- -- Tom, I see that along with knowing a little about physics, you are a comedian also. Strange, In my 45 years of ham radio and 30 years as a practicing Electronics Engineer, I've never heard; /archives//html/Amps/2000-03/msg00485.html (10,261 bytes)
110. SV: [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Wed, 8 Mar 2000 18:41:38 EST; w8ji@contesting. -- don't -- -- Tom & Jon, I just figured out what you are talking about: instead of a parasitic resistor, you REALLY mean to say "PARASITIC SUPRESSION RESISTOR". I know how difficult; /archives//html/Amps/2000-03/msg00487.html (11,136 bytes)
111. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Thu, 9 Mar 2000 11:45:20 EST; -- -- Tom, If you will read again my original post which you quoted above, please notice that I did NOT say anything about a specific mechanism initiating the destruction and emphatically said (howev; /archives//html/Amps/2000-03/msg00502.html (11,236 bytes)
112. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Thu, 9 Mar 2000 20:04:46 EST; I think these discussions would be more productive if our personal biases weren't immediately applied to the postings and we carefully read what is written instead of making assumptions. You will not; /archives//html/Amps/2000-03/msg00512.html (9,470 bytes)
113. [AMPS] Fil voltage al-1200 (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 8 Feb 2000 19:34:18 EST; Rich, I thought all thermionic vacuum tubes had heaters of some sort, even if they were called filaments. Dave in Dayton, WT8R -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@; /archives//html/Amps/2000-02/msg00136.html (8,102 bytes)
114. [AMPS] WANT TO BUY: UCSL-250 VAC.VAR.CAP (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Mon, 28 Feb 2000 09:28:00 EST; Looking for a Jennings UCSL-250pF/3KV vacuum variable capacitor. Surely there must be some of these little fellows out there. Please state condition and price. Please reply direct to: Dave - wt8r@aol; /archives//html/Amps/2000-02/msg00629.html (6,738 bytes)
115. [AMPS] Re: Italians and power? (score: 1): Author: DBEARDWT8R@aol.com (DBEARDWT8R@aol.com); Date: Mon, 1 Nov 1999 07:31:25 EST; SM2EKM-- The above sounds like EU QRM to me......! Dave, WT8R -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.; /archives//html/Amps/1999-11/msg00021.html (7,975 bytes)
116. [AMPS] 2 tone intermod test (score: 1): Author: DBEARDWT8R@aol.com (DBEARDWT8R@aol.com); Date: Wed, 24 Nov 1999 16:33:00 EST; taste apologize your -- -- Excuse me, but I thought this was a TECHNICAL reflector and not a chat room for a bunch of PC Barbara Streisand. 2 cents and change. Dave in Dayton, WT8R -- FAQ on WWW: htt; /archives//html/Amps/1999-11/msg00469.html (9,192 bytes)
117. Re: [Amps] Ameritron AL-1500 (score: 1): Author: Wt8r@aol.com; Date: Sat, 6 Sep 2003 10:20:33 EDT; Rick-- What does a General class operator intend to do with a modified amplifier that runs 4 KW+ input anyway? Judging from the callsign, my guess is that he intends to run it from a 120 VAC wall pl; /archives//html/Amps/2003-09/msg00058.html (7,788 bytes)
118. Re: [Amps] Ameritron AL-1500 (score: 1): Author: Wt8r@aol.com; Date: Mon, 8 Sep 2003 10:38:10 EDT; Extreme Bill ............ I privately I wrote the clueless tech general an e-mail detailing all of the reasons not to modify an AL-1500 with a second 8877. I cautioned him about killing himself since; /archives//html/Amps/2003-09/msg00072.html (9,366 bytes)
119. Re: [Amps] Ameritron AL-1500 (score: 1): Author: Wt8r@aol.com; Date: Mon, 8 Sep 2003 10:48:46 EDT; Extreme Bill ............ ?????? ?????? I privately I wrote the clueless tech general an e-mail detailing all of the reasons not to modify an AL-1500 with a second 8877. ?????? I cautioned him about; /archives//html/Amps/2003-09/msg00080.html (9,229 bytes)
120. Re: Fw: [Amps] Conditioning Spare Tubes After Storage (score: 1): Author: Wt8r@aol.com; Date: Mon, 13 Oct 2003 09:15:46 EDT; This "warm up" time is not for the purpose of degassing ............. it is only for the proper operation of the tube and usually prescribed by the manufacturer. Sort of like not starting your automo; /archives//html/Amps/2003-10/msg00107.html (8,267 bytes)

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