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References: [ +from:keepwalking188@yahoo.com: 238 ]

Total 238 documents matching your query.

181. Re: [Amps] "Best" limit indicators for multi-turn, shaft-driven gadgetry (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Mon, 8 Aug 2011 15:22:44 -0500
Jim, I don't have an answer for your actual question. But the pot idea is good for another reason. In that would open the door to an auto-tune kind of option (or at least, the ability to record prese
/archives//html/Amps/2011-08/msg00023.html (9,553 bytes)

182. Re: [Amps] "Best" limit indicators for multi-turn, shaft-driven gadgetry (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Mon, 8 Aug 2011 16:06:20 -0500
Jim, That is THE problem with sticking a uP into a box. The door then opens to just about every possible thing you can imagine. As I get older, I am willing to trade off some theoretical reliability
/archives//html/Amps/2011-08/msg00027.html (13,557 bytes)

183. Re: [Amps] Replacement faceplates for ETO Alphas?? (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Thu, 18 Aug 2011 01:31:10 -0500
I bought a A76pa face plate about 6 months ago and I think it was $120 or something. Pretty expensive but considering the amount of work it would take to refurb the existing face plate, I thought it
/archives//html/Amps/2011-08/msg00081.html (10,396 bytes)

184. [Amps] WTB: PL259 crimp RG8x (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Thu, 25 Aug 2011 23:00:57 -0500
Im looking for a decent source of RG8x crimp (or compression) style PL-259. This is for a light duty interior application so I dont need the good stuff. By crimp, I mean the shield is crimp style, th
/archives//html/Amps/2011-08/msg00182.html (7,072 bytes)

185. Re: [Amps] Alpha 76a (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Mon, 12 Sep 2011 22:53:12 -0500
Guys, There is an error on the W6XX schematic last time I looked. 73, Jeff ACØC www.ac0c.com Pat, Congratulations on acquiring the 76A, she will serve you well ! The grid overcurrent protection is a
/archives//html/Amps/2011-09/msg00055.html (12,628 bytes)

186. Re: [Amps] Alpha 76a (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Tue, 13 Sep 2011 01:57:19 -0500
I just replaced my caps in a 76pa. HV slid down over the last month and I was busy on other things and had not noticed it till it was time to rock and roll. Upon visual, the caps "looked" fine as wel
/archives//html/Amps/2011-09/msg00059.html (10,981 bytes)

187. Re: [Amps] RF in the Audio (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Sat, 24 Sep 2011 14:17:00 -0500
Rob, If you would agree that "balanced" feeds are never idea, then a common mode choke is going to be of benefit. And when you find one of those ideal balanced feed lines, let me know. I could use so
/archives//html/Amps/2011-09/msg00169.html (10,409 bytes)

188. Re: [Amps] RF in the Audio (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Sun, 25 Sep 2011 01:15:44 -0500
Roger, you better keep your head down. I'm not sure who it will be (the G5RV crowd or the "open wire is perfect" crowd), but the chances of you meeting a bad ending from this statement is high! You a
/archives//html/Amps/2011-09/msg00185.html (13,442 bytes)

189. Re: [Amps] What type of amplifier is best (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Mon, 14 Nov 2011 16:57:06 +0800
Charles, I have the 998 and used it for quite a long time in RTTY contesting when I was running non-resonant antennas. In one case I had loaded 1KW on 160m to run the 160m ARRL CW contest - the anten
/archives//html/Amps/2011-11/msg00058.html (12,776 bytes)

190. Re: [Amps] Henry HF 2500 (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Mon, 2 Jan 2012 14:29:18 -0600
I think that's a QRO model number. 73/jeff/ac0c www.ac0c.com alpha-charlie-zero-charlie Are you sure that's a Henry? Never heard of a Henry HF-2500. Rob K5UJ _________________________________________
/archives//html/Amps/2012-01/msg00027.html (8,032 bytes)

191. Re: [Amps] Pi Network Coil Design (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Thu, 19 Jan 2012 21:19:05 -0600
Wayne, You are not using a toroid, right? 73/jeff/ac0c www.ac0c.com alpha-charlie-zero-charlie I'm working on the design of the Pi network for a 4-1000A linear (160, 80, 40 and 20 M only), plate resi
/archives//html/Amps/2012-01/msg00158.html (8,219 bytes)

192. Re: [Amps] Alternative input network Upgrade for SB 220 (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Sun, 5 Feb 2012 19:19:21 -0600
WD7S had a board available and that may be what you have seen. But I think he's changing designs though. You may like to query him about it. 73/jeff/ac0c www.ac0c.com alpha-charlie-zero-charlie Frien
/archives//html/Amps/2012-02/msg00031.html (8,511 bytes)

193. Re: [Amps] Relay Suggestions Please (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Fri, 9 Mar 2012 10:56:46 -0600
Steve, I have been using the same relay that Jim mentions also. There are about 50 of them spread out in my antenna system for this or that. My primary operation mode is RTTY contesting at the KW lev
/archives//html/Amps/2012-03/msg00079.html (10,363 bytes)

194. Re: [Amps] Transfer Lettering (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Wed, 14 Mar 2012 00:04:32 -0500
For things that are not "works of art" - which a big amp project (given the cost and time invested) may be considered, the brother P-touch provides very nice results. I use it for all the basic equip
/archives//html/Amps/2012-03/msg00167.html (10,053 bytes)

195. Re: [Amps] Guidelines.....toroids for tank ckts (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Sat, 24 Mar 2012 18:16:40 -0500
Dave, For the low bands, the #2 red is pretty widely used. The 3M tape for that (forget the number) is pretty expensive but it's strong and won't breakdown in moderate heating. For the higher bands,
/archives//html/Amps/2012-03/msg00263.html (9,477 bytes)

196. Re: [Amps] Guidelines.....toroids for tank ckts (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Sat, 24 Mar 2012 19:59:56 -0500
That's it, Carl. 73/jeff/ac0c www.ac0c.com alpha-charlie-zero-charlie Scotch 27 Jeff. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.cont
/archives//html/Amps/2012-03/msg00265.html (12,205 bytes)

197. [Amps] A76pa glitch on warm up (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Thu, 5 Apr 2012 22:43:39 -0500
My beloved A76pa in the last month has started to glitch during the warm-up countdown cycle. And on a couple of occasions it has shown a few hundred mA of Ip when sitting at idle. Wanted to see what
/archives//html/Amps/2012-04/msg00069.html (6,569 bytes)

198. Re: [Amps] A76pa glitch on warm up (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Tue, 1 May 2012 23:32:01 -0500
Finally got back to looking into this after some travel and found the blasted amp is DOA. Murphy's revenge! Well, not quite DOA. Power relay K1 is functional. But K2 offers some interesting observati
/archives//html/Amps/2012-05/msg00048.html (8,423 bytes)

199. Re: [Amps] A76pa glitch on warm up (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Wed, 2 May 2012 10:42:36 -0500
Thanks guys for the comment. I measured both and they are still resistive in that one reads about 10 ohms and the other a bit lower at 7. But not open. I think I will go ahead and replace that relay
/archives//html/Amps/2012-05/msg00060.html (12,898 bytes)

200. Re: [Amps] A76pa glitch on warm up (score: 1)
Author: "Jeff Blaine" <keepwalking188@yahoo.com>
Date: Wed, 2 May 2012 23:34:29 -0500
The rest of the control tests fine. I replaced that tant cap anyway given its reputation. For the SS relay, I found a unit in the junk box that worked out well and did the swap. Amps been fine since
/archives//html/Amps/2012-05/msg00099.html (14,444 bytes)

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