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References: [ +from:Chuck_Partain@Maxtor.com: 89 ]

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61. Re: [Amps] Happy birthday to... (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Thu, 16 Mar 2006 11:06:06 -0500; ok, lets design a hydraulic AMP :) what kind of "VALVE" will it use? certainly the russians made one! Speaking of George, did you know that the same formulas for ohms law, are the same in hydraulics?; /archives//html/Amps/2006-03/msg00449.html (9,734 bytes)
62. [Amps] the gu-84b amp status and thoughts (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Mon, 20 Mar 2006 10:21:34 -0500; Lots of work this weekend, looks like things will fly when I get over some rush rush errors I made. Cooked an inductor on the tank circuit, couldnt figure out why until about 20 mins ago..! On the ta; /archives//html/Amps/2006-03/msg00562.html (7,787 bytes)
63. [Amps] rf choke on output (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Mon, 27 Mar 2006 10:41:43 -0500; I read some info about the rf choke on the output of the amps to work in case the blocking cap fails. I see different values listed plus I read in these archives that one can be made from #24 wire???; /archives//html/Amps/2006-03/msg00687.html (7,117 bytes)
64. [Amps] tube impedance, figuring tank circuit values (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Thu, 30 Mar 2006 14:34:40 -0500; So, when I power up my amp, I see 3910vdc on my plate. The way I have it configured, I put 330vdc on the screen grid and -130volts on the control grid., when I bring the control grid to -69v, the tub; /archives//html/Amps/2006-03/msg00784.html (6,976 bytes)
65. Re: [Amps] tube impedance, figuring tank circuit values (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Fri, 31 Mar 2006 11:23:53 -0500; yea... what he says LOL I'll work the inbetween and see what happens in real life. ~chuck ________________________________ ok.... one guy says use the "open circuit voltage" the other guy say use the; /archives//html/Amps/2006-03/msg00797.html (10,209 bytes)
66. [Amps] rolling your own (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 4 Apr 2006 13:07:23 -0400; Has anyone found an EASIER way to roll #4 solid copper wire up for an inductor? this stuff is STIFF!!!!!!!!!! _______________________________________________ Amps mailing list Amps@contesting.com htt; /archives//html/Amps/2006-04/msg00048.html (7,323 bytes)
67. Re: [Amps] rolling your own (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 4 Apr 2006 13:17:57 -0400; hmmmmmmmmm okkkkkkkkkkkkk i'lllllllllll look into it. !!!!!!!!!! You gotta fix that stuck ! key. :) 73, Jim, KR1S http://kr1s.kearman.com/ _______________________________________________ Amps mailing; /archives//html/Amps/2006-04/msg00051.html (7,805 bytes)
68. Re: [Amps] rolling your own (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 4 Apr 2006 13:24:50 -0400; I know the copper tubing is a bit easier but home depot only had the 1/4" and that is a bit too big for my application, I'm trying to size things down the dowel with a hole sounds like the way then p; /archives//html/Amps/2006-04/msg00053.html (8,165 bytes)
69. Re: [Amps] NON-CONTACT laser thermometer (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 11 Apr 2006 11:22:16 -0400; ONLY available for that price in the retail stores.. you HAVE to print that out and send/bring it to the store. I just tried. no joy. damn, I had my credit card out too!! oh well! perhaps later I wil; /archives//html/Amps/2006-04/msg00176.html (8,569 bytes)
70. Re: [Amps] AL-80A buzzing (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Fri, 14 Apr 2006 09:51:16 -0400; transformer core? chatter the fan resonance making something else shake? gremlins ready to emerge? I have noticed a buzzing coming from the AL-80A. After reading a few e-mails on this reflector, I ch; /archives//html/Amps/2006-04/msg00244.html (7,567 bytes)
71. [Amps] working backwards to setup tank (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 18 Apr 2006 17:21:25 -0400; in ref to my gu-84b based hf amp I set this tank circuit up and tuned at 7.250mhz, came up with a beautiful output then tried to do the reverse check. I put a 2k resistor from the plate to ground, ho; /archives//html/Amps/2006-04/msg00287.html (7,617 bytes)
72. Re: [Amps] working backwards to setup tank (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 18 Apr 2006 18:48:42 -0400; right from the plate thru the resistor to gnd as you do when you setup initially. No power ever applied, the analyzer is AOK If I use a 2k ohm load I can set it up for a good match, but when the amp; /archives//html/Amps/2006-04/msg00293.html (8,738 bytes)
73. Re: [Amps] working backwards to setup tank (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Wed, 19 Apr 2006 08:57:35 -0400; good info on all! thanks. Will get a bigger pot and do a sweep and see if I can find a value, just helps me get a clue into whats going on, I like to play. the amp is excellent on 80 and 40 now, so I; /archives//html/Amps/2006-04/msg00297.html (10,896 bytes)
74. Re: [Amps] working backwards to setup tank (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Wed, 19 Apr 2006 10:19:59 -0400; I have another question on the MFJ analizer. If I set it to capacitance, and I want to see what those caps are set at when I find the sweet spot on a peticular band..what frequency should I set the M; /archives//html/Amps/2006-04/msg00298.html (11,857 bytes)
75. [Amps] t/r relay help on my gu84b homebrew (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 25 Apr 2006 20:23:00 -0400; I'm nw looking into a relay to switch the amp into transmit. I now use a manual switch to put 24v onto the relay in back that switches the rig/antenna directions and also the other side of the double; /archives//html/Amps/2006-04/msg00379.html (7,170 bytes)
76. [Amps] hosstraders hopkinton, NH saturday (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Fri, 5 May 2006 10:45:25 -0400; any one going to the hosstraders flea tomorrow? I'll be there selling... Chuck Partain ka1mwp _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes; /archives//html/Amps/2006-05/msg00021.html (6,390 bytes)
77. [Amps] Tranciever amp switching (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 9 May 2006 15:26:55 -0400; Read a LOT of posts thru the searchable archives on t/r switching the amp . I've been playing with some circuits (fet driven relay's) that close the t/r relay on the amp fast and after ~25ms bring th; /archives//html/Amps/2006-05/msg00059.html (6,829 bytes)
78. [Amps] tank coil heating (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Wed, 10 May 2006 19:54:32 -0400; I'll go peruse the archives again but I'm going to post this here anyway. I noticed while on 20m tonight running about a kw that the tank coil was getting HOT, one of the wires connected to it (the 2; /archives//html/Amps/2006-05/msg00070.html (7,211 bytes)
79. Re: [Amps] tank coil heating (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Thu, 11 May 2006 10:06:22 -0400; another box of stuff to bring back from dayton :) ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Voltage rating has nothing to do with current carrying capacity, as you have learned. Get a capacitor rated f; /archives//html/Amps/2006-05/msg00076.html (8,139 bytes)
80. Re: [Amps] tank coil heating (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Fri, 12 May 2006 07:17:31 -0400; Good Info on all the responses I'm figuring out more as I go along. I DO have a chimney made up that comes off. things have changed some. I'll retake more up to date pics and post them there. I'm onl; /archives//html/Amps/2006-05/msg00084.html (9,703 bytes)

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