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References: [ +from:ka4inm@tampabay.rr.com: 211 ]

Total 211 documents matching your query.

201. Re: [Amps] 4CX1000A (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Sat, 28 Jan 2012 17:14:35 -0500
I stand by my statement, "in a perfectly built tube you should see none" and "is not strictly normal" You say: "Most external anode tetrodes I'm familiar from the 4X150A to 4CX1500B can exhibit negat
/archives//html/Amps/2012-01/msg00236.html (11,616 bytes)

202. Re: [Amps] 8877 Amplifier Photo (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Sun, 04 Mar 2012 16:04:49 -0500
I think it goes in the ceramic socket in the bottom right most photo and the two above it, with the red leads coming from the filament socket. -- 73 Ron KA4INM - All E-mail sent to this address shall
/archives//html/Amps/2012-03/msg00054.html (7,190 bytes)

203. Re: [Amps] 6kW coax? (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Fri, 09 Mar 2012 18:11:29 -0500
Here's a 500 Watt version: http://www.repeater-builder.com/projects/matchingstubs.html -- 73 Ron KA4INM - All E-mail sent to this address shall linger in the Google cloud forever! ___________________
/archives//html/Amps/2012-03/msg00098.html (7,582 bytes)

204. Re: [Amps] Corian for HV insulators? (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Wed, 21 Mar 2012 15:14:11 -0400
I don't know, why not test it, can you find someone in your neighborhood with a Hi-potter that goes to ~50 kV? How does 2,050 MHz effect it? (mw oven) -- 73 Ron KA4INM - All E-mail sent to this addre
/archives//html/Amps/2012-03/msg00219.html (7,929 bytes)

205. Re: [Amps] amp cooling / triodes vs tetrodes (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Tue, 03 Apr 2012 15:13:49 -0400
That's my style, plagiarize and modify, saves loads of time. [P&M Engineering] -- 73 Ron KA4INM - All E-mail sent to this address shall linger in the Google cloud forever! ___________________________
/archives//html/Amps/2012-04/msg00042.html (8,072 bytes)

206. Re: [Amps] FWD: Ham Radio Amp - $8500 (Louisville Ky) 3CX10000-a7 (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Thu, 05 Apr 2012 14:32:32 -0400
AB9GO said: "Works Great At Legal Limit on AM& SSB With" (sic) If Collins Corp. could build AM broadcast transmitters operating at 1 kW unmodulated carrier modulated by a PAIR OF 4-400s I don't see w
/archives//html/Amps/2012-04/msg00062.html (8,451 bytes)

207. Re: [Amps] Who still sells hV Capacitors ? (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Mon, 09 Apr 2012 15:44:11 -0400
I have only driven there, but " Skycraft" in Orlando sells used parts, they mostly strip space coast, military and old test equipment for the parts, they might have what you are looking for. I have n
/archives//html/Amps/2012-04/msg00091.html (8,369 bytes)

208. Re: [Amps] PIV requirement for identical, individual diodes (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Mon, 23 Apr 2012 11:10:40 -0400
How about when the capacitor is charged to say, +1,600 Volts and the transformer's outingput is -1,600 Volts and then an inductive kick causes the transformer outingput to jump to 2,000 Volts or more
/archives//html/Amps/2012-04/msg00218.html (8,844 bytes)

209. [Amps] Fwd: Re: soldering vs crimping (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Wed, 02 May 2012 13:00:14 -0400
<< I'm with Carl on this one. Actually, the crimp N-connectors I use have center pins designed to be crimped *and* soldered -- there's a little hole in the side for soldering. I've found that there's
/archives//html/Amps/2012-05/msg00064.html (9,815 bytes)

210. Re: [Amps] The power of an over sized electrolytic capacitor / how much PS filter C is enough? (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Thu, 10 May 2012 10:37:18 -0400
/*snip*/ We also need to take into account the fact that many HAM receivers do not reproduce 120 Hz well. When we started the earphones were connected between the plate of the AF amplifier and the 90
/archives//html/Amps/2012-05/msg00267.html (12,487 bytes)

211. Re: [Amps] The power of an over sized electrolytic capacitor / how much PS filter C is enough? (score: 1)
Author: Ron Youvan <ka4inm@tampabay.rr.com>
Date: Thu, 10 May 2012 10:42:06 -0400
/*snip*/ We also need to take into account the fact that many HAM receivers do not reproduce 120 Hz well. When we started the earphones were connected between the plate of the AF amplifier and the 90
/archives//html/Amps/2012-05/msg00268.html (11,419 bytes)


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