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281. [AMPS] extra loading... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 15 Feb 2000 21:00:47 -0800; the I've seen a few mfgs mention the increase loading procedure in their tune up information. I've never measured it, but they indicate it's significant enough to place into practice. cheers skipp _; /archives//html/Amps/2000-02/msg00309.html (7,496 bytes)
282. [AMPS] no sensor please (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 18 Feb 2000 02:22:57 -0800; Will, If you take Rich off, you might as well take me off. Nothing he ever did was a problem. I can hit the delete key as well as anyone can. One of the reasons I bought and installed all the local F; /archives//html/Amps/2000-02/msg00352.html (7,613 bytes)
283. [AMPS] zener diodes... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 21 Feb 2000 20:12:18 -0800; tried Kirt, Try Newark on line as Farnell.com. I buy from them all the time. Radio Shaft will sell the above values special order, mailed to your house. You can even order them via many web sites. Y; /archives//html/Amps/2000-02/msg00517.html (7,186 bytes)
284. [AMPS] sola xmfr operation (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 22 Feb 2000 17:34:05 -0800; Hi Peter, Sola's are relatively cheap out here in California. I often see them at the electronic flea markets. Surplus Sellers often don't even really know what to do with them. I used them quite a b; /archives//html/Amps/2000-02/msg00534.html (7,923 bytes)
285. [AMPS] Powering up an SB220, removed from storage. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 24 Feb 2000 00:45:49 -0800; From: Earl Morse <n5tu@wt.net> Hi Earl, You can bring the unit up very, very slow, but keep in mind you should do a complete update to the amplifier. That would be the addition of many items describe; /archives//html/Amps/2000-02/msg00565.html (9,065 bytes)
286. [AMPS] thanks to those who replied... 3-500z short (score: 1): Author: nospam4me@juno.com (skip s isaham); Date: Sun, 2 Jan 2000 03:36:21 -0800; Hello there, I want to take a moment to say thanks for all the shorted 3-500z fix ideas. I'll try to apply one of them soon. I'll report back on how well things turn out. cheers skipp _______________; /archives//html/Amps/2000-01/msg00024.html (7,158 bytes)
287. [AMPS] Re: Norm's circa early 80's Circuit (score: 1): Author: nospam4me@juno.com (skip s isaham); Date: Sun, 2 Jan 2000 03:07:48 -0800; [snip] Handbook, by excitation I'm happy to see the original article source location. When I first spoke to Norm about his amplifier (about 1980) he had discarded the clamp tube for a solid state cir; /archives//html/Amps/2000-01/msg00025.html (7,790 bytes)
288. [AMPS] galaxy amplifier review (score: 1): Author: nospam4me@juno.com (skip s isaham); Date: Mon, 3 Jan 2000 21:41:48 -0800; Hola gang, Up on the http://sonic.ucdavis.edu server Amateur Radio Pages, I've set up a scan which is a 1967 review of the Galaxy 2000+ amplifier. Aside from the amusing fact that the tube compliment; /archives//html/Amps/2000-01/msg00066.html (8,118 bytes)
289. [AMPS] survey partially says... (score: 1): Author: nospam4me@juno.com (skip s isaham); Date: Mon, 3 Jan 2000 22:44:41 -0800; Tongue in cheek guys... delete it if you don't want to laugh a little. Partial Amp survey answers: on The price and the promises. LCD and LED displays ... Difficult rewires to 220 volt operation. Neu; /archives//html/Amps/2000-01/msg00068.html (10,227 bytes)
290. [AMPS] amusing... I was serious... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 4 Jan 2000 18:14:20 -0800; ... carry on amusing us, I have no problems with that, quite the contrary. I was serious about some of it... you be the judge. I still hate digital only displays. Obviously, they are faster... but I; /archives//html/Amps/2000-01/msg00106.html (7,292 bytes)
291. [AMPS] meter rebuilding (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 4 Jan 2000 18:35:27 -0800; Hi Bob, Been there, done that... No luck finding replacement meters except from salvaged equipment or the sharks. I've seen Fair Radio or Surplus Sales with similar teardrop meters. I did a Henry amp; /archives//html/Amps/2000-01/msg00107.html (7,711 bytes)
292. [AMPS] drive xmfr ratios (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 4 Jan 2000 19:23:03 -0800; From: "Maurizio Panicara" <i4jmy@iol.it> My 4cx250 amplifier uses a 9:1 ratio (50/450) terminated into two parallel 1.5K resistors and the LC networks. No problems with stability and my 10 watt max e; /archives//html/Amps/2000-01/msg00108.html (7,904 bytes)
293. [AMPS] Alpha 77 Manual on line... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 4 Jan 2000 20:34:41 -0800; Hello groovy guys and gals... Mark, NA6M has graciously sent me his tiff format copy of the Alpha 77 manual. I'm placing it on the sonic server for you to clog your bandwidth up real bad. It's about; /archives//html/Amps/2000-01/msg00112.html (7,626 bytes)
294. [AMPS] book sources... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 4 Jan 2000 20:41:55 -0800; In an off amps chat, the below books are referenced. Anyone have a practical idea where I can find older books like these. thanks skipp ps: Lonnie, NT6B... please Email me again. I've changed hard dr; /archives//html/Amps/2000-01/msg00113.html (7,413 bytes)
295. [AMPS] amplifier metering (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 6 Jan 2000 01:09:26 -0800; I've built up a meter interface buffer board which provides normal time constant res ponce and peak detection selection with a long decay time. It really opened my eyes to see what things really get; /archives//html/Amps/2000-01/msg00135.html (7,421 bytes)
296. [AMPS] re: Advice and/or opinions wanted... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 6 Jan 2000 01:00:35 -0800; re: 4-400 amp in class C Hi Charlie, How much drive do you have..? The older ARRL Handbooks have 4-250 and 4- 400 amps in tetrode operation. Lot's of gain... The values for class C are in the Handboo; /archives//html/Amps/2000-01/msg00136.html (7,627 bytes)
297. [AMPS] three 4cx250's on 50MHz (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 6 Jan 2000 22:46:18 -0800; Hi Phil and Co. I was under the impression you were particular to use only two tubes. The older ARRL, Radio Amateurs VHF Manual has a 50MHz three tube 4cx250B amplifier. The tubes are horizontal and; /archives//html/Amps/2000-01/msg00170.html (7,977 bytes)
298. [AMPS] re: Advice and/or opinions wanted... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 7 Jan 2000 17:40:19 -0800; Hello again, Yes, but... After a little homework on the subject, I've formed the following opinion. Class C operation of an amplifier is best not applied toward cw applications. I know it might have; /archives//html/Amps/2000-01/msg00182.html (8,085 bytes)
299. [AMPS] the three hold 4cx250 circuit, Alpha 77 and the SB-220 with a shorted tube. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 7 Jan 2000 17:59:11 -0800; Hello again, I received enough people asking for the three hole 4cx250 six meter amplifier circuit that I'll scan it into gif and pdf files for a down load package on the sonic server. Watch for it n; /archives//html/Amps/2000-01/msg00183.html (8,671 bytes)
300. [AMPS] 4CX1000 data sheet. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 9 Jan 2000 23:00:34 -0800; In my batch of items to scan on Monday is the eimac date sheets for the 4cx1000 If you need them quickly, try http://sonic.ucdavis.edu in the afternoon. I'll be adding them as time allows. skipp ____; /archives//html/Amps/2000-01/msg00212.html (8,049 bytes)

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