- 101. [Amps] re:- Heath Kit SB220 Linear Amp - Unbuilt (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Wed, 10 Apr 2002 09:44:11 -0400
- Does Unbuilt mean never constructed or Un-Built: disassembled to be built again. Some Unbuilt kits on e-bay have been disassembled kits reboxed to be built again.. 73 Bill wa4lav
- /archives//html/Amps/2002-04/msg00281.html (8,668 bytes)
- 102. [Amps] Taylor tubes (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Thu, 18 Apr 2002 07:41:10 -0400
- I don't know about the prison labor. Maybe you have inside information. Your shirts are possibly made by prison labor even though they may have designer or major brand names on the label. But the tub
- /archives//html/Amps/2002-04/msg00417.html (7,738 bytes)
- 103. [Amps] CB amps on e-Bay (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Thu, 18 Apr 2002 21:47:15 -0400
- We ham operators do our best to reform illegal operators and make them into good hams. We teach classes, provide the exam sessions and help them when ever possible to bring them out of the gutter int
- /archives//html/Amps/2002-04/msg00457.html (11,226 bytes)
- 104. [Amps] CB amps on e-Bay (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Thu, 18 Apr 2002 22:26:56 -0400
- Well, I can tell you why. 1. Using AM and linear amplifier (many times driven to non-linearity) everyone in the neighbor hood (including children) has the opportunity to hear profanity and discussion
- /archives//html/Amps/2002-04/msg00461.html (10,753 bytes)
- 105. [Amps] Thinking about building an amp. (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Fri, 19 Apr 2002 09:34:22 -0400
- The AT-11MP is an L network tuner. The problem here is that it will not cure the distortion due to the non-linear loading of the input to the grounded grid amplifier. The Q of an L matching network i
- /archives//html/Amps/2002-04/msg00469.html (8,599 bytes)
- 106. [Amps] Thinking about building an amp. (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Fri, 19 Apr 2002 10:19:41 -0400
- If you had a capacitor between cathode and ground who's capacitive reactance is say 1/5 of the cathode resistance and if the AT-11MP would match it then you should have your fly-wheel effect and a Q
- /archives//html/Amps/2002-04/msg00471.html (7,394 bytes)
- 107. [Amps] Thinking about building an amp. (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Mon, 22 Apr 2002 15:09:59 -0400
- Adding the capacitance forces the the network to become a PI when the L-network matches the combined input impedance. 73 Bill wa4lav
- /archives//html/Amps/2002-04/msg00517.html (9,576 bytes)
- 108. [Amps] Re:amps,sos! (score: 1)
- Author: wlfuqu00@uky.edu (wlfuqu00)
- Date: Sat, 27 Apr 2002 08:01:53 -0700
- -- StripMime Report -- processed MIME parts -- multipart/alternative text/html audio/x-wav application/octet-stream -- StripMime Errors -- A message with no text/plain section was received. The entir
- /archives//html/Amps/2002-04/msg00575.html (6,248 bytes)
- 109. [Amps] HV Voltmeters (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Sat, 23 Mar 2002 08:58:13 -0500
- A string is required not for wattage but for voltage rating of resistors. YES, resistors do have a voltage rating independent of its dissipation. It is best not to exceed 300 or so volts per resistor
- /archives//html/Amps/2002-03/msg00527.html (11,529 bytes)
- 110. [Amps] HV Voltmeters (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Mon, 25 Mar 2002 08:07:21 -0500
- Yes, there are special resistors rated for high voltage use, however they are very expensive and you usually have to meet the minimum line item price requirement when you place an order. 73 Bill wa4l
- /archives//html/Amps/2002-03/msg00568.html (8,102 bytes)
- 111. [Amps] SB-220 tuning cap needed (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Mon, 25 Mar 2002 08:28:56 -0500
- Arcing can also be caused by trying to tune a badly mismatched antenna or none at all. 73 Bill wa4lav
- /archives//html/Amps/2002-03/msg00569.html (8,745 bytes)
- 112. [Amps] HV Voltmeters (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Mon, 25 Mar 2002 09:51:09 -0500
- Had not noticed those. I am usually looking for precision voltmeter multiplier resistors 1% or better. But for analog meters 5% would be OK and you could have a trimmer resistor. Also at 250PPM/degre
- /archives//html/Amps/2002-03/msg00572.html (9,829 bytes)
- 113. [Amps] What do you get out of your 4-1000 (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Thu, 28 Mar 2002 08:57:53 -0500
- I had discussed buying some 4-1000A's from a fellow who has quite a different opinion as to the maximum output per tube good tubes should produce. Here is his reply.... "I have built several grounded
- /archives//html/Amps/2002-03/msg00648.html (7,592 bytes)
- 114. [AMPS] Building new 4-1000A amp (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Tue, 01 Jan 2002 14:27:07 -0500
- I have been thinking of a new 4-1000A amplifier. I am thinking of using a L-network with a variable plate capacitor and an tapped inductor and band switch. The harmonic content would be high but this
- /archives//html/Amps/2002-01/msg00022.html (8,402 bytes)
- 115. [AMPS] Building new 4-1000A amp (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Wed, 02 Jan 2002 11:23:13 -0500
- There is are several reasons: 1. My power supply is happier at higher voltage 2. Less drive needed thus allowing non 1:1 input SWR direct cathode connection with LC tank across it. 3. Main reason....
- /archives//html/Amps/2002-01/msg00038.html (10,916 bytes)
- 116. [AMPS] Building new 4-1000A amp (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Thu, 03 Jan 2002 09:20:49 -0500
- I like the red glow... why else would some one use such a large glass tube???? My power supply is adjustable from 3 KV to over 10 KV . 73 Bill wa4lav -- FAQ on WWW: http://www.contesting.com/FAQ/amps
- /archives//html/Amps/2002-01/msg00051.html (8,499 bytes)
- 117. [AMPS] Input matching experiment (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Fri, 18 Jan 2002 12:28:09 -0500
- Gee how time flies...is it April 1 already? 73 Bill wa4lav To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-R
- /archives//html/Amps/2002-01/msg00128.html (10,947 bytes)
- 118. [AMPS] M/A Com fets ++ (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Fri, 21 Dec 2001 16:33:02 -0500
- Does anyone know anything about this "sand labs". I can't get an address or phone number or anything from alex. He says "we this" and "we did that" etc. but who is we? -- FAQ on WWW: http://www.conte
- /archives//html/Amps/2001-12/msg00450.html (9,987 bytes)
- 119. [AMPS] Analogic RF sources and power supplies (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Sat, 22 Dec 2001 22:01:09 -0500
- I have just acquired two Analogic VHF RF power sources AN8036S1. These seem to have a 4CX5000 but with Analogic in-house numbers and such. Also, a pair of power supplies and controllers came with the
- /archives//html/Amps/2001-12/msg00466.html (6,959 bytes)
- 120. [AMPS] Help building mono band amp (score: 1)
- Author: Wlfuqu00@uky.edu (wlfuqu00@uky.edu)
- Date: Fri, 12 Oct 2001 08:26:40 -0400
- Why not start with a pair of 4-125A's in grounded grid... They will give you the same output as a pair of 813's and 3KV plate voltage is within their spec. Later by simply beefing up the plate supply
- /archives//html/Amps/2001-10/msg00294.html (9,870 bytes)
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