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1. [Amps] Ol' AL1500 (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Tue, 17 Jul 2007 05:17:18 -0700 (PDT); Hello List :) I have recently purchased an used AL1500. The original owner said it has been acquired in 2000 used for about 10 hours and then put in storage. It came with two spare CX1500 tubes. I ha; /archives//html/Amps/2007-07/msg00293.html (7,201 bytes)
2. [Amps] Load Pulling (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Wed, 12 Sep 2007 03:44:22 -0700 (PDT); Hello, one and all. I need to characterize the output an unusual AMP. It outputs a 20nS 70Square pulse every 500nS. I would like to measure it's output complex impedance but I am not sure if the usua; /archives//html/Amps/2007-09/msg00117.html (6,655 bytes)
3. Re: [Amps] Load Pulling (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Wed, 12 Sep 2007 07:06:17 -0700 (PDT); My apologies... I misses the "V" after the 70 so the output of the amp/generator is a 70V pulse with a width of 20nS every 480nS. This means that the period is 500nS and a duty cycle around of 0.6%.; /archives//html/Amps/2007-09/msg00121.html (9,740 bytes)
4. Re: [Amps] Load Pulling (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Wed, 12 Sep 2007 07:59:12 -0700 (PDT); Thanks Tom for your reply. To my reconing the output is a carrier of 2MHz pulses (500nS period) with a very low duty cycle (20nS). The pulse, at least theoretically, carries a lot of harmonics extend; /archives//html/Amps/2007-09/msg00124.html (9,733 bytes)
5. Re: [Amps] Load Pulling (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Wed, 12 Sep 2007 08:44:22 -0700 (PDT); Thank you Bob :) I kind'a guessed that the regular measuring instruments will not be of much help here. And you are right about the output stages changing impedance function of the harmonical content; /archives//html/Amps/2007-09/msg00126.html (12,706 bytes)
6. [Amps] Load Pulling (score: 1): Author: bumerang boom <bumerang.boom@yahoo.com>; Date: Wed, 12 Sep 2007 09:10:28 -0700 (PDT); I really do not know. However I intend to find out as this unit is intriguing to me. The workmanship is excellent and it seems to be done in recent years as the internal board (it is all build on one; /archives//html/Amps/2007-09/msg00128.html (9,266 bytes)

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