- 1. [Amps] Directional coupler design (score: 1)
- Author: rblain@iafrica.com (Roger Blain)
- Date: Fri, 5 Apr 2002 22:36:07 +0200
- Hi List, I have been following the thread on the Bird power measurement with = interest. My dilema is I am trying to build a directional coupler, to measure the = power going into a plasma tube. The
- /archives//html/Amps/2002-04/msg00191.html (7,731 bytes)
- 2. [Amps] Directional coupler design (score: 1)
- Author: rblain@iafrica.com (Roger Blain)
- Date: Sun, 7 Apr 2002 12:13:15 +0200
- There is defiantly a phase angle, as I can measure it on my scope. The problem with plasma is it exhibits a negative resistance as the plasma begins to ionize, and this happens on every cycle. The ch
- /archives//html/Amps/2002-04/msg00221.html (8,914 bytes)
- 3. [Amps] W7IUV Website ? (score: 1)
- Author: rblain@iafrica.com (Roger Blain)
- Date: Thu, 11 Apr 2002 22:54:55 +0200
- Try www.archive.org They have the Internet backed up for the last couple of years, and is very usefull for those links that just disapear, or become restricted. Roger -- Original Message -- From: "Ar
- /archives//html/Amps/2002-04/msg00311.html (8,015 bytes)
- 4. [Amps] RF ground (score: 1)
- Author: rblain@iafrica.com (Roger Blain)
- Date: Wed, 17 Apr 2002 23:15:03 +0200
- List, Here is another perspective on grounding, used from large PABX (Telephone) systems where grounding must be uniform across multiple cabinets, even under a lightning induced impulse situation. On
- /archives//html/Amps/2002-04/msg00408.html (9,256 bytes)
- 5. [Amps] More Lightning (score: 1)
- Author: rblain@iafrica.com (Roger Blain)
- Date: Wed, 17 Apr 2002 23:25:37 +0200
- List, Another method for lightning protection, is to erect a lightning conductor (either a pole or spanned wire earth to protect larger area's) , and make sure your installation falls bellow a 45 Deg
- /archives//html/Amps/2002-04/msg00409.html (8,713 bytes)
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