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241. Re: [Amps] Checking Plate Choke resonance (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 13 Oct 2009 19:51:35 -0700
ORIGINAL MESSAGE: REPLY: Not so. At the exact frequency of resonance, the circulating current reaches its peak. One example of this is the working of a grid dip meter. At resonance, the circuit under
/archives//html/Amps/2009-10/msg00210.html (9,163 bytes)

242. Re: [Amps] Checking Plate Choke resonance (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 13 Oct 2009 20:05:13 -0700
ORIGINAL MESSAGE: REPLY: AC current times Q is correct, but remember we are talking about a plate choke which is virtually unloaded and has a very high internal Q. Don't confuse this with the Q of th
/archives//html/Amps/2009-10/msg00211.html (10,158 bytes)

243. Re: [Amps] Checking Plate Choke resonance (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 13 Oct 2009 21:45:21 -0700
ORIGINAL MESSAGE: REPLY: How does LT Spice account for the "Tesla Coil" effect in a parallel LC network which is very lightly loaded? I am not an expert with LT Spice, but from your description of wh
/archives//html/Amps/2009-10/msg00214.html (9,596 bytes)

244. Re: [Amps] HELP (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Fri, 16 Oct 2009 05:23:54 -0700
ORIGINAL MESSAGE: REPLY: Why so much DC current? Are you running them class A? 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes
/archives//html/Amps/2009-10/msg00230.html (7,004 bytes)

245. Re: [Amps] tank calculations - need input (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 17 Oct 2009 16:04:35 -0700
ORIGINAL MESSAGE: REPLY: That's backwards. All the way out (unmeshed) is minimum capacitance. Is that leading you the wrong way? 73, Bill W6WRT _______________________________________________ Amps ma
/archives//html/Amps/2009-10/msg00240.html (7,638 bytes)

246. Re: [Amps] EF Johnson Tube socket catalog (pdf) available (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 19 Oct 2009 13:58:09 -0700
ORIGINAL MESSAGE: REPLY: Excellent find Bob, thanks!! 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo
/archives//html/Amps/2009-10/msg00272.html (7,763 bytes)

247. Re: [Amps] Turns Counter (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 31 Oct 2009 18:37:07 -0700
ORIGINAL MESSAGE: REPLY: This counter is a copy of the very similar one sold by Palstar (at a better price) and is a great unit. I have used about eight of the Palstar ones and they work fine, but I
/archives//html/Amps/2009-10/msg00365.html (7,847 bytes)

248. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 03 Nov 2009 16:26:16 -0800
ORIGINAL MESSAGE: REPLY: I know this is true but I have never understood why it is so dangerous. Can anyone explain? I have always assumed there would be a problem if one of the wires opened, but eve
/archives//html/Amps/2009-11/msg00029.html (8,686 bytes)

249. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 03 Nov 2009 18:34:24 -0800
ORIGINAL MESSAGE: REPLY: Yada, yada, yada. I've heard all that before but it still does not answer my question: Exactly what is the danger? 73, Bill W6WRT ____________________________________________
/archives//html/Amps/2009-11/msg00032.html (8,944 bytes)

250. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 03 Nov 2009 20:04:29 -0800
ORIGINAL MESSAGE: REPLY: That wasn't my question. Please forgive me if I wasn't clear enough. My question was this: I understand why it is necessary to bond ground and neutral together at the service
/archives//html/Amps/2009-11/msg00035.html (9,523 bytes)

251. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 03 Nov 2009 23:51:29 -0800
ORIGINAL MESSAGE: REPLY: My dense little brain finally got it. To reiterate: The danger comes when neutral and ground are bonded together at the appliance AND both neutral and ground wires back to th
/archives//html/Amps/2009-11/msg00038.html (9,768 bytes)

252. Re: [Amps] Repeats (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Fri, 06 Nov 2009 17:54:32 -0800
ORIGINAL MESSAGE: REPLY: A better email program would help. Ideally, you should be able to highlight a sentence or two in the original post, hit the reply button and have only the highlighted portion
/archives//html/Amps/2009-11/msg00091.html (7,546 bytes)

253. Re: [Amps] Separate B-minus connection is not necessary (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Fri, 06 Nov 2009 18:32:32 -0800
ORIGINAL MESSAGE: REPLY: Yes, it could be done, but that's a lot of work, and I do not trust delicate op amps in the presence of high voltage and high RF. I would suggest a simpler and more reliable
/archives//html/Amps/2009-11/msg00093.html (7,876 bytes)

254. Re: [Amps] Repeats (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Fri, 06 Nov 2009 18:44:02 -0800
ORIGINAL MESSAGE: REPLY: Right = easy. 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2009-11/msg00094.html (7,276 bytes)

255. Re: [Amps] PSU design question (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Fri, 06 Nov 2009 19:09:59 -0800
ORIGINAL MESSAGE: REPLY: I'll give it a try. The value of the resistor in the B- supply depends entirely on the type of meter you use for the cathode current. There are several types. Probably the mo
/archives//html/Amps/2009-11/msg00095.html (11,230 bytes)

256. Re: [Amps] PSU design question (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 07 Nov 2009 00:39:30 -0800
ORIGINAL MESSAGE: REPLY: A long time ago I thought that too - that one diode would be sufficient. But then someone posted a bizarre scenario involving a broken ground wire and some other condition (I
/archives//html/Amps/2009-11/msg00099.html (8,105 bytes)

257. Re: [Amps] Repeats (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 07 Nov 2009 14:53:14 -0800
ORIGINAL MESSAGE: REPLY: That's the best way to do OE, but it could be simpler. In Agent, I just highlight what I want to appear in the reply, hit the reply button and there it is, already formatted
/archives//html/Amps/2009-11/msg00110.html (8,144 bytes)

258. Re: [Amps] PSU design question (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 07 Nov 2009 15:00:31 -0800
ORIGINAL MESSAGE: REPLY: Your logic is correct. To have a 100 ohm "backup" for three large diodes is silly. In my 50+ years of electronics I have never seen a silicon diode fail in the open circuit m
/archives//html/Amps/2009-11/msg00111.html (9,203 bytes)

259. Re: [Amps] PSU design question (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 07 Nov 2009 15:06:13 -0800
ORIGINAL MESSAGE: REPLY: Sorry, but I have to disagree with this design philosophy. If you are going to add another part as a "backup", add another large diode. A 100 ohm resistor of modest size coul
/archives//html/Amps/2009-11/msg00113.html (8,928 bytes)

260. Re: [Amps] B- questions (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sat, 07 Nov 2009 23:08:26 -0800
Anti-parallel means the diodes are connected in parallel, but with reversed polarities. In other words, the cathode of one is connected to the anode of the other. When diodes are connected in anti-pa
/archives//html/Amps/2009-11/msg00119.html (8,365 bytes)

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