Mail Archive Search: <+from:akozak@hourglass.com>

Results:

References: [ +from:akozak@hourglass.com: 108 ]

Total 108 documents matching your query.

61. Re: [Amps] why a tube fails ? (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 27 Aug 2013 22:39:08 -0400; Ions are atoms where the number of electrons do not equal the number of protons. Chemically, all elements are determined by the number of protons in the atom. Nothing more. Ions are created by addin; /archives//html/Amps/2013-08/msg00134.html (7,659 bytes)
62. Re: [Amps] Hole Flow (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Sat, 31 Aug 2013 22:00:52 -0400; Here's what it really boils down to: I can't think of an electrical engineering problem (engineering, NOT physics) that requires understanding how current flows, or how active devices actually work.; /archives//html/Amps/2013-08/msg00198.html (15,036 bytes)
63. Re: [Amps] 4CX1000A project (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Sun, 27 Oct 2013 23:20:30 -0400; Just FYI, from Wikipedia: MHV connectors are presently considered by some as a safety hazard because of the possibility of high voltage on the exposed central pin when not plugged in,[1] and because; /archives//html/Amps/2013-10/msg00432.html (8,406 bytes)
64. Re: [Amps] AL-1500 Problems (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Fri, 1 Nov 2013 11:33:43 -0400; Normal. Scared the hell out of me the first time I plugged it in and turned it on. Al AB2ZY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest; /archives//html/Amps/2013-11/msg00007.html (6,617 bytes)
65. Re: [Amps] Fake and Counterfeit Chinese Transistors 2SC3133 (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 31 Dec 2013 14:46:57 -0500; I, for one, got the point, but was distracted considerably by the constant cock crows and his insistence on pronouncing "Mitsubishi" as "Mitsubushi". I work in the food and beverage ingredients indus; /archives//html/Amps/2013-12/msg00240.html (11,931 bytes)
66. Re: [Amps] Building an Amp 101 (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Sat, 18 Jan 2014 10:52:30 -0500; Why not use relays appropriate for the switching duty? Then the bandswitch can be just about anything or even remotely controlled. Plus you can locate the switch where it's convenient to operate inst; /archives//html/Amps/2014-01/msg00125.html (11,545 bytes)
67. Re: [Amps] 4CX5000 grounded grid amplifier??? (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Sat, 18 Jan 2014 11:27:20 -0500; The lister can't spell. Listing does not meet eBay T&C's. He HAS to accept PayPal. Al AB2ZY Something does not look right after looking at the base more closely. It may not be a 4CX _________________; /archives//html/Amps/2014-01/msg00128.html (8,057 bytes)
68. Re: [Amps] Building an Amp 101 (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Sun, 19 Jan 2014 10:43:02 -0500; To make it clear, I've never tried this so I'm not speaking from personal experience. But it seems logical to me that if a vacuum relay is required for the voltages and duty involved, then a bandswit; /archives//html/Amps/2014-01/msg00156.html (10,995 bytes)
69. Re: [Amps] Need small chain and sprockets for tuner project (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Fri, 31 Jan 2014 11:50:07 -0500; McMaster Carr http://www.mcmaster.com/ Al AB2ZY Want to turn two large roller coils with chain and sprockets. Any info for sources will be appreciated. Tnx John Sent from my Verizon Wireless 4G LTE S; /archives//html/Amps/2014-01/msg00338.html (7,745 bytes)
70. Re: [Amps] Air temps leaving the amp. (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Mon, 3 Feb 2014 10:33:22 -0500; Yes, that is the defining characteristic of an induction motor! The only way to vary the speed of such a motor is either by changing the frequency of the power source or with a variable speed transmi; /archives//html/Amps/2014-02/msg00027.html (9,087 bytes)
71. Re: [Amps] Air temps leaving the amp. (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Mon, 3 Feb 2014 21:17:51 -0500; The EBM/Pabst blowers are specifically designed to vary speed via voltage control. They are a bit unusual in that what one would consider to be the field winding is what turns, while the center is st; /archives//html/Amps/2014-02/msg00037.html (11,928 bytes)
72. Re: [Amps] L4-B (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 1 Apr 2014 13:53:18 -0400; It was the cause of the MD-11 Swissair flight 111 crash off Nova Scotia that killed 229 people and has been noted in a number of other commercial airiner fires that did not end up in the loss of the; /archives//html/Amps/2014-04/msg00006.html (9,279 bytes)
73. Re: [Amps] Info on HP power supply (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Wed, 9 Jul 2014 20:16:50 +0000; Nobody fixes computer components in the field anymore (not for at least 30 years!) and power supplies are more-or-less commodity items. HP would probably stock these items in regional depots for fiel; /archives//html/Amps/2014-07/msg00043.html (10,382 bytes)
74. Re: [Amps] Info on HP power supply (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Wed, 9 Jul 2014 20:16:53 +0000; Nobody fixes computer components in the field anymore (not for at least 30 years!) and power supplies are more-or-less commodity items. HP would probably stock these items in regional depots for fiel; /archives//html/Amps/2014-07/msg00044.html (9,319 bytes)
75. Re: [Amps] Circuit Board Question (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Fri, 1 Aug 2014 15:12:54 +0000; A fairly recent issue of QEX had a very nice design for a 1x8 switch. The key features were a radial layout of the "8 side" connectors to maximize spacing while minimizing length of runs, and the uti; /archives//html/Amps/2014-08/msg00003.html (10,872 bytes)
76. Re: [Amps] 572B - News? (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Fri, 7 Nov 2014 18:55:50 +0000; Plus, if I recall, there was a service bulletin on the 2100 (not sure it it applied to the Z variant) regarding the use of the Svetlana tubes. The amp needed a modification (probably to the parasitic; /archives//html/Amps/2014-11/msg00010.html (11,172 bytes)
77. Re: [Amps] The genius of ham radio (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 13 Jan 2015 14:48:05 +0000; That was my first reaction: the 4 laws of thermodynamics, Ohms law, etc. Then I remembered that at least since I was in college (early 1970s), the second semester junior year EE course on AC has been; /archives//html/Amps/2015-01/msg00078.html (10,039 bytes)
78. Re: [Amps] High Voltage Wire (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Mon, 19 Jan 2015 22:24:30 +0000; Be aware that modern OEM spark leads are resistive; usually something like a carbonized cotton "conductor" or perhaps monel or a similar alloy with an appropriate insulation. Been that way for decade; /archives//html/Amps/2015-01/msg00159.html (9,619 bytes)
79. Re: [Amps] Need Zener for 2KD-3 (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 3 Feb 2015 16:57:12 +0000; Just FYI, this circuit is called an emitter follower. Back in the early 70's, this was the "regulated" power supply of choice when I worked in a lab - a 5 or 12 V Zener diode, depending on the applic; /archives//html/Amps/2015-02/msg00026.html (8,654 bytes)
80. Re: [Amps] "need zener' (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Tue, 3 Feb 2015 19:06:46 +0000; The problem with the specific part number mentioned is that it is in a TO-3 case, which I suspect are really rare. Stud packaged Zeners are readily available, including the stud packaged version of t; /archives//html/Amps/2015-02/msg00030.html (8,483 bytes)

Current List: 61 - 80
Page: [1] [2] [3] [4] [5] [6]