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Total 233 documents matching your query.

41. Re: [Amps] Ten-Tec Centurion (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Thu, 11 Nov 2004 07:57:22 -0800
_________________________________________________________ I had an amplifier (not a Ten-Tec) which exhibited similar behavior once, and the problem was a damaged tune capacitor. Once a capacitor has
/archives//html/Amps/2004-11/msg00155.html (9,824 bytes)

42. Re: [Amps] Here's a Shocker (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sat, 13 Nov 2004 07:39:54 -0800
_________________________________________________________ I suspect the current was actually pretty high if it actually burned your flesh. You didn't feel it because the frequency was too high. Years
/archives//html/Amps/2004-11/msg00198.html (8,018 bytes)

43. Re: [Amps] pacemaker and hf amplifiers qstions (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sun, 14 Nov 2004 06:39:38 -0800
_________________________________________________________ If I may respectfully suggest, something this important should not be left to the members of this group, no matter how well intentioned they
/archives//html/Amps/2004-11/msg00199.html (7,779 bytes)

44. Re: [Amps] Here's a Shocker (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Mon, 15 Nov 2004 17:49:02 -0800
_________________________________________________________ Sorry, but there is indeed, at least in the humans who volunteered for my testing. (I'm using the word "testing" pretty loosely, here. Mostly
/archives//html/Amps/2004-11/msg00229.html (9,350 bytes)

45. Re: [Amps] Zero Crossing circuit (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Thu, 18 Nov 2004 07:47:45 -0800
_________________________________________________________ I must disagree. My Command HF-2500 uses zero-crossing solid state devices to turn on and they work perfectly. There is no thump, no noise, a
/archives//html/Amps/2004-11/msg00268.html (8,984 bytes)

46. Re: [Amps] Zero Crossing circuit (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Thu, 18 Nov 2004 09:46:37 -0800
_________________________________________________________ A variac would certainly do the job, but some careful engineering would be more cost-effective, would require no manual operation, and would
/archives//html/Amps/2004-11/msg00272.html (8,571 bytes)

47. Re: [Amps] Zero Crossing circuit (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Thu, 18 Nov 2004 09:46:36 -0800
_________________________________________________________ Winding resistance is one factor. There is also the capacitance of the filter caps and the inductance of both primary and secondary of the tr
/archives//html/Amps/2004-11/msg00273.html (9,518 bytes)

48. Re: [Amps] tube flatulence - gettering (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sat, 20 Nov 2004 06:42:48 -0800
_________________________________________________________ Worrying about the extra "s" is a sure sign of too much time on one's hands. Use it or don't use it; makes no difference in the Big Picture o
/archives//html/Amps/2004-11/msg00324.html (8,451 bytes)

49. Re: [Amps] Step-start Calculation Problem: (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sat, 20 Nov 2004 06:50:04 -0800
_________________________________________________________ There is another factor which must be considered: The amount of capacitance at the output of the full wave rectifier. The transformer/rectifi
/archives//html/Amps/2004-11/msg00325.html (7,687 bytes)

50. Re: [Amps] Advice on instruments for ham use (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Tue, 23 Nov 2004 20:52:55 -0800
_________________________________________________________ I used to be a production test technician on the Tektronix 4xx series back in the late '70s and early '80s. If you'd like to know how to fix
/archives//html/Amps/2004-11/msg00410.html (8,606 bytes)

51. Re: [Amps] Advice on instruments for ham use (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Fri, 26 Nov 2004 08:54:34 -0800
_________________________________________________________ So many people have requested my fix for the attenuator switches, I thought I should post it to the group: The 4xx series of attenuators are
/archives//html/Amps/2004-11/msg00436.html (12,365 bytes)

52. Re: [Amps] Advice on instruments for ham use (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Fri, 26 Nov 2004 11:06:57 -0800
_________________________________________________________ To expound a little further on analog vs digital: Analog scopes are fine for a repeating waveform such as RF, or one which changes relatively
/archives//html/Amps/2004-11/msg00437.html (10,741 bytes)

53. Re: [Amps] AL-811 low power (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sat, 27 Nov 2004 18:49:06 -0800
_________________________________________________________ First, are you *sure* the power is falling off? How are you measuring it? Are you using a dummy load? Have you verified it with a second mete
/archives//html/Amps/2004-11/msg00454.html (7,310 bytes)

54. Re: [Amps] Wanted - 50pf vac variable (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sun, 05 Dec 2004 15:54:26 -0800
_________________________________________________________ If that's what you want to do you can, but replacing the plate cap isn't necessary at all. You can install a coil between plate cap and the p
/archives//html/Amps/2004-12/msg00093.html (8,299 bytes)

55. Re: [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sun, 05 Dec 2004 15:55:06 -0800
_________________________________________________________ You can if you leave the anode connector off of one. -- Bill W6WRT _______________________________________________ Amps mailing list Amps@con
/archives//html/Amps/2004-12/msg00094.html (8,738 bytes)

56. Re: [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sun, 05 Dec 2004 20:10:28 -0800
_________________________________________________________ I wouldn't apply any drive, just turn it on long enough to see if the fuses pop. -- Bill W6WRT ______________________________________________
/archives//html/Amps/2004-12/msg00102.html (7,061 bytes)

57. Re: [Amps] Tuning (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Wed, 22 Dec 2004 08:18:25 -0800
At 06:56 AM 12/22/2004, kwasny wrote: I have a question that I have never seen the answer to in any amp manuals. After tuning the amp, how far up or down in frequency can you move without retuning th
/archives//html/Amps/2004-12/msg00260.html (8,139 bytes)

58. Re: [Amps] antennas that are 1:1 vswr all over the band (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Thu, 23 Dec 2004 12:35:15 -0800
At 12:27 PM 12/23/2004, David Kirkby wrote: Not what you want I am sure, but here's an interesting exercise for those with some AC theory. The relevance to your question will be apparent to anyone ab
/archives//html/Amps/2004-12/msg00298.html (9,872 bytes)

59. Re: [Amps] 1.8MHz Xtal [OT] (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Wed, 26 Jan 2005 05:52:26 -0800
___________________________________________________________ Are you homebrewing something? If you can't find one at 1.8, there is a way to use a flip-flop to divide frequencies by two. A 3.6 MHz crys
/archives//html/Amps/2005-01/msg00528.html (7,159 bytes)

60. Re: [Amps] AL-811: Tuning, Setting ALC, Operating (score: 1)
Author: Bill Turner <dezrat1242@ispwest.com>
Date: Sat, 29 Jan 2005 18:00:31 -0800
___________________________________________________________ I missed the original post, so if I am replying in error, please forgive. The ICOM 746PRO has a very 'tender' keying circuit and should NEV
/archives//html/Amps/2005-01/msg00594.html (7,905 bytes)

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