- 21. [Amps] SB220 Improvements (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Wed Feb 12 11:47:55 2003
- What is the origin of this grid resonance, and approx. what is its Q? Eric K8LV
- /archives//html/Amps/2003-02/msg00289.html (7,498 bytes)
- 22. [Amps] Operations/precautions Manual for Club (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Wed Feb 12 11:52:07 2003
- Could you make a stab at estimating the total filament-on hours in that time? Eric K8LV
- /archives//html/Amps/2003-02/msg00290.html (6,721 bytes)
- 23. [Amps] Voodoo Magnetic Fields (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Wed Feb 12 12:39:06 2003
- Ian: I think this getter idea is fairly amazing (I have heard about it before but never really paid much attention.) As usual, I am not totally comfortable about it without being able to do some anal
- /archives//html/Amps/2003-02/msg00292.html (8,522 bytes)
- 24. [Amps] Voodoo Magnetic Fields (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Wed Feb 12 12:50:12 2003
- Bill: My explanation is quite simple, and believable. Like many other issues confronted here, the actual analysis requires crunching some real-world numbers. But I don't think it is an atomic physics
- /archives//html/Amps/2003-02/msg00293.html (8,759 bytes)
- 25. [Amps] SB220 Improvements (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Thu Feb 13 08:21:46 2003
- I just tried to locate an official data sheet for this tube, but I could not find one anywhere. However, my Radio Amateur's Handbook lists this tube as having an 'operating range' of 110MHZ, which I
- /archives//html/Amps/2003-02/msg00312.html (7,953 bytes)
- 26. [Amps] 30L1 Biasing (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Thu Feb 13 08:49:12 2003
- Vic: I didn't attend any of the engineering meetings for the design of the 30L-1. I told them that I was simply too busy to bother with such a trivial project. Seriously, I can state several good eng
- /archives//html/Amps/2003-02/msg00313.html (8,418 bytes)
- 27. [Amps] Grounding Vacuum cap shafts (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Mon Feb 17 15:18:29 2003
- Many antenna tuners, particularly airborne military types, use a floating variable vacuum cap as a series reactance canceller. In fact, that is one of the big sources for all of the military surplaus
- /archives//html/Amps/2003-02/msg00351.html (6,577 bytes)
- 28. [Amps] Input circuit resonance in G-G Amps (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Tue Feb 18 11:09:03 2003
- I just returned from a little radio-related hiatus. GOOD News: A solid weekend long DX contest is always a blast at a good station. BAD New: That's if conditions are any good - bad conditions, like l
- /archives//html/Amps/2003-02/msg00358.html (10,521 bytes)
- 29. [Amps] Series Capacitor Strings in HV Supplies (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Thu Feb 27 00:15:32 2003
- I have formulated a new theory which offers very convincing proof that the traditional 'equalizing' resistors used with series-connected electrolytic capacitor strings are NOT necessary. I realize th
- /archives//html/Amps/2003-02/msg00489.html (8,219 bytes)
- 30. [Amps] Tank Coil replacement with Toroid Core coil (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Thu Feb 27 10:58:49 2003
- Bill: I am still trying to come up with a feasible design for you, for a toroidal replacement 80M coil. Meanwhile, you probably noticed the posting RE: a coil advertised for sale by WC6W, that was ad
- /archives//html/Amps/2003-02/msg00495.html (9,852 bytes)
- 31. [Amps] Tank Coil replacement with Toroid Core coil (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Thu Feb 27 11:44:51 2003
- Don: I will not debate the price issue, because it is highly variable. My figures are for very high-performance cores, which this is not. You are missing an extremely important point.The power losses
- /archives//html/Amps/2003-02/msg00496.html (8,835 bytes)
- 32. [Amps] Toroidal Tank Coils (score: 143)
- Author: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
- Date: Fri Feb 28 12:49:50 2003
- In response to offline requests and suggestions, here is the detailed calculation for the toroidal coil. I would like to proceed by making a very clear statement of the problem to be analyzed - many
- /archives//html/Amps/2003-02/msg00516.html (11,973 bytes)
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