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41. [AMPS] Properties of Different Metals (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Sat, 9 Sep 2000 23:35:07 -0400; Cool...thanks. A couple of questions. 1. Some hi-fi purist advertising promotes "oxygen free copper" as having better properties for propagating audio. I alway assumed that was the fanciest possible; /archives//html/Amps/2000-09/msg00343.html (15,707 bytes)
42. Fw: [AMPS] Amp Explosions (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Sun, 10 Sep 2000 00:41:21 -0400; If the spider had a significant amount if nichrome in her diet that wouldn't have happened. I've started a company to sell flies of various sizes that have been fed a diet of 10 ppm of oxygen free ni; /archives//html/Amps/2000-09/msg00345.html (8,592 bytes)
43. [AMPS] Blown TL922A... What to do? (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Mon, 11 Sep 2000 01:22:41 -0400; I'm sympathetic...but maybe you can just add a kill rule? I'm actually getting interested in the psychological aspects of the exchanges. It reminds me of the debate over where to place the new high s; /archives//html/Amps/2000-09/msg00384.html (11,300 bytes)
44. [AMPS] Shorted Pi-Networks Turns revisited (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Thu, 14 Sep 2000 22:59:05 -0400; Huh??? I thought this was about tank circuit band switches? What does that have to do with step start? jeff ....stuff deleted ... -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@c; /archives//html/Amps/2000-09/msg00679.html (9,473 bytes)
45. [AMPS] Mount pi-net capacitors vertically (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Sat, 16 Sep 2000 00:32:08 -0400; I went to the site mentioned a few days ago with all the amp pictures, http://www.angenent.org/W7IUV/amp-pix.htm and noted that most of these put the vacuum variables horizontal with the tuning shaft; /archives//html/Amps/2000-09/msg00746.html (8,706 bytes)
46. [AMPS] All Mode KW Transmitter firmware (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Sat, 16 Sep 2000 13:55:05 -0400; Three words: Ball Grid Array Four words: Micro Ball Grid Array Personally, I like a propane torch for most stuff. The biggest advantage is the lack of corrosion causing Oxygen in the gas. The usual h; /archives//html/Amps/2000-09/msg00780.html (11,037 bytes)
47. [AMPS] Amp using 833A (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Tue, 19 Sep 2000 20:14:14 -0400; This is a sad day in amateur radio. Here we are in a mail list for the high end of the amateur radio building community and we're reluctant to use a tube that requires bias!? 4-1000's look ok when gl; /archives//html/Amps/2000-09/msg00843.html (9,526 bytes)
48. [AMPS] Amp using 833A (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Tue, 19 Sep 2000 22:09:03 -0400; Tom's probably got the best point about high IMD without the cathode negative feedback. He's also right about high gain, instability, long leads and oscillation at HF. That being said, it's fairly ea; /archives//html/Amps/2000-09/msg00853.html (12,999 bytes)
49. [AMPS] BC610... no 833's (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Thu, 21 Sep 2000 20:33:52 -0400; For the record, I was the first one to be wrong. I consider it an honor to provoke measures into behaving like a jerk. jeff -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contest; /archives//html/Amps/2000-09/msg00925.html (8,752 bytes)
50. [AMPS] Linearizing Linears, feedback or feedforward (score: 1): Author: jeff@wa1hco.mv.com (jeff millar); Date: Tue, 26 Sep 2000 21:49:36 -0400; We know that negative feedback in audio amplifiers improves linearity and reduces distortion. What would it take to improve RF linears with feedback? In thinking about it for a bit (not enough time,; /archives//html/Amps/2000-09/msg01001.html (8,733 bytes)

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