- 1. [Amps] 160 efficiency problem (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Tue May 20 08:48:45 2003
- Hello, I am almost finished with the new homebrew yc156 amp. It works fine on 15 - 80 meters but I am having a problem with 160. With 5000 watts in, I am getting about 1200 watts out. I have added in
- /archives//html/Amps/2003-05/msg00134.html (6,924 bytes)
- 2. [Amps] 160 efficiency problem (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Wed May 21 09:15:03 2003
- N3300 3 amps @1mhz 400pf quantity 4 7.5kv Lynn NO9Z
- /archives//html/Amps/2003-05/msg00148.html (7,880 bytes)
- 3. [Amps] Re: 160M efficiency (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Wed May 28 09:31:15 2003
- I had a problem with efficiency on 160M on a newly constructed amp. (yc 156) I want to thank all those who responded both on the reflector and privately. Symptoms were: Tank appears resonant on 160M
- /archives//html/Amps/2003-05/msg00212.html (6,831 bytes)
- 4. [Amps] PS project (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Thu Apr 10 14:07:39 2003
- Hello all...... I need a little advice on this powersupply project. I have almost completed a nice 5000 v 2amp supply using a large Wilcox transformer with a capacitive filter. 50uf at 7kv. I found o
- /archives//html/Amps/2003-04/msg00099.html (7,567 bytes)
- 5. [Amps] Re: (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Thu Apr 10 16:03:44 2003
- The problem with the power supply occurs with a power output of around 500 watts.... i.e. less than 600 ma total current ( its a big tube with about 20 watts drive) 3cpx5000. I am using a full wave r
- /archives//html/Amps/2003-04/msg00105.html (7,729 bytes)
- 6. [Amps] Re: PS project part2 (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Thu Apr 10 21:48:43 2003
- Thanks for all the input on the ps problem so far. For a little more background info, the amp I am using works fine with a smaller ps (4kv 1 amp). I built the new ps inorder to obtain higer plate vol
- /archives//html/Amps/2003-04/msg00111.html (9,913 bytes)
- 7. [Amps] PS project (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Mon Apr 14 11:06:43 2003
- I measured the primary current this weekend. With the amp in an idle condition (not keyed) voltage is 5k and plate current is virtually zero - transformer is drawing very low current With the amp key
- /archives//html/Amps/2003-04/msg00139.html (8,300 bytes)
- 8. [Amps] Power Supply Project - part 3 - fixed (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Sun Apr 20 08:30:36 2003
- Thanks to all who gave me ideas on this project/problem. The problem was being caused by Solid State Relays that were in the line between the powersupply and the wall outlet. The fault happened so qu
- /archives//html/Amps/2003-04/msg00189.html (6,916 bytes)
- 9. [Amps] Grounding Vacuum cap shafts (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Mon Feb 17 13:58:58 2003
- What is proper way to handle the tuning screw(shaft) on vacuum capacitor? I have seen amps that use hv insulators between the vac cap and the turns counter and I have seen amps that just use the grou
- /archives//html/Amps/2003-02/msg00349.html (6,614 bytes)
- 10. [Amps] yc156 specs (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Mon Feb 24 19:44:20 2003
- Hello, I am getting ready to start testing a new yc156 amp. I am in need of operating paramaters (real life) If you have information about expected performance under 5kv plate voltage , I would be in
- /archives//html/Amps/2003-02/msg00444.html (6,498 bytes)
- 11. [Amps] Copper and brass (score: 212)
- Author: no9z at soltec.net (Lynn)
- Date: Wed Jan 29 10:45:33 2003
- Prior to connecting a tank circuit to the band switch, I thought I better check with the group about using homebrew brass clips to attach to 1/4" od copper tubing. Is there a problem using these two
- /archives//html/Amps/2003-01/msg00288.html (6,325 bytes)
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