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21. Re: [Amps] HB Amps (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 03 Mar 2006 10:30:55 -0700
That's kind of my trouble... When thinking about building a legal-limit single tube amp, I get the same feeling as when I watch the wordworking program on television and see the guy rip-saw through a
/archives//html/Amps/2006-03/msg00039.html (8,269 bytes)

22. [Amps] off topic -- books recommended (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Thu, 09 Mar 2006 08:10:04 -0700
This is off topic... but maybe not too offensive in that department. I received some gift certificates for the ARRL recently. I'm looking at their technical books. Do you all have any you particularl
/archives//html/Amps/2006-03/msg00225.html (9,358 bytes)

23. [Amps] reading a tube datasheet (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Tue, 27 Jun 2006 13:30:36 -0600
It is somewhat disconcerting to have someone say the datasheet isn't a reliable source of information. I always assumed when it said something like RF Linear Amplifier Grounded Grid Class B Maximum R
/archives//html/Amps/2006-06/msg00520.html (10,167 bytes)

24. Re: [Amps] reading a tube datasheet (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Tue, 27 Jun 2006 14:46:38 -0600
That's why I was trying to start a new one... you know, expand my education a little bit. Maybe I can raise my question again at a better time. Chris w0ep ____________________________________________
/archives//html/Amps/2006-06/msg00521.html (9,920 bytes)

25. Re: [Amps] Maximum RF output in practical application: 4-250A (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Mon, 03 Jul 2006 16:26:32 -0600
Has the modern standard for telephone bandwidth has stayed confined to the historical limits? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes
/archives//html/Amps/2006-07/msg00146.html (10,190 bytes)

26. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Thu, 20 Jul 2006 17:56:07 -0600
Cathode is grounded? I thought we were talking grounded grid? If both the cathode and the grid were grounded, how did the thing ever work? help! _______________________________________________ Amps m
/archives//html/Amps/2006-07/msg00704.html (8,836 bytes)

27. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Thu, 20 Jul 2006 20:57:52 -0600
The cathode is grounded and the grid is grounded. I get the picture. [Should I lick my fingers and grab the cathode with one hand and the grid with the other hand? :-) I'll bet that would keep me fro
/archives//html/Amps/2006-07/msg00710.html (9,933 bytes)

28. Re: [Amps] Grid fuses (was: Life and gain of 3-500Z) (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 09:09:38 -0600
sorry, I said I was going to quit. But I really am learning from this exchange, so if you don't mind, one more question. Once there's an arc going, opening the circuit on the grid-to-ground side woul
/archives//html/Amps/2006-07/msg00772.html (10,678 bytes)

29. Re: [Amps] Grid fuses (was: Life and gain of 3-500Z) (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 12:15:14 -0600
If you only cut HV when this is happening, couldn't the bias voltage (let's say 100v) continue the arcing between cathode and grid? _______________________________________________ Amps mailing list A
/archives//html/Amps/2006-07/msg00783.html (10,434 bytes)

30. Re: [Amps] Grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 12:54:54 -0600
I'll cogitate on that... I guess that is what I was getting at. If grid is hard tied to ground, then arc between cathode--grid could continue even after the plate--grid--cathode arc is done (?). (Dep
/archives//html/Amps/2006-07/msg00791.html (10,697 bytes)

31. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 13:47:19 -0600
I think that's why Will asked the question about the cathode. Will a disconnected cathode emit? If not, why would a hot grid? (and I thought I was going to be quiet today...) ________________________
/archives//html/Amps/2006-07/msg00795.html (8,924 bytes)

32. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 13:57:26 -0600
I've decided that was a dumb question... the real question is: how much? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/list
/archives//html/Amps/2006-07/msg00796.html (9,370 bytes)

33. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Fri, 21 Jul 2006 14:01:53 -0600
That's a dumb question too. I found a web page that answers my question. nevermind _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/ma
/archives//html/Amps/2006-07/msg00797.html (9,238 bytes)

34. Re: [Amps] "Tubes 201" - How Vacuum Tubes Really Work (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Sun, 23 Jul 2006 20:18:32 -0600
I don't have a dog in this fight. I've enjoyed and appreciated you guys educating me. people say that the grid fuse/resistor idea really works and they are convinced their experience proves it. There
/archives//html/Amps/2006-07/msg00981.html (11,193 bytes)

35. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Mon, 24 Jul 2006 08:31:02 -0600
Cool! Please do so. Chris _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2006-07/msg01013.html (9,620 bytes)

36. Re: [Amps] "Tubes 201" - How Vacuum Tubes Really Work (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Mon, 24 Jul 2006 08:59:05 -0600
Sorry, I wasn't clear. I mean't "it won't ever work" as in: it won't provide anything thing useful toward it's intended purpose. There's a lot of space between "very bad idea" and "not the best way t
/archives//html/Amps/2006-07/msg01018.html (10,987 bytes)

37. Re: [Amps] grid fuses (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Mon, 24 Jul 2006 09:05:23 -0600
Oh, OK, sorry I miss-understood. I will make note of those authors/titles and keep an eye out for those books. Chris _______________________________________________ Amps mailing list Amps@contesting.
/archives//html/Amps/2006-07/msg01019.html (10,468 bytes)

38. Re: [Amps] "Tubes 201" - How Vacuum Tubes Really Work (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Mon, 24 Jul 2006 09:06:11 -0600
Please ignore that paragraph. Chris _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2006-07/msg01020.html (10,435 bytes)

39. [Amps] setting the grid adrift (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Tue, 25 Jul 2006 09:26:53 -0600
Now that's an interesting piece of information, (And I note that Will posted the same passage recently). I have to object slightly to your assertion that the grid "will" become positive. The paragra
/archives//html/Amps/2006-07/msg01086.html (9,912 bytes)

40. Re: [Amps] setting the grid adrift (score: 1)
Author: Chris Howard <chris@yipyap.com>
Date: Tue, 25 Jul 2006 12:02:16 -0600
Yea! good for me. Have no fear! I didn't read "all protection circuits are bad", just some curmudgeonly skepticism. Well... the other issue of course is _COST_. If a reliable system is obtainable wit
/archives//html/Amps/2006-07/msg01097.html (12,136 bytes)

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