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Total 5 documents matching your query.

1. [RFI] RFI clip-on probe? (score: 1): Author: wsanders at wsanders.net (Wiley Sanders); Date: Mon Jan 27 12:49:31 2003; Ian G3SEK wrote "Build or buy a clip-on RF current probe ..." Sounds neat - how is the probe constructed? Do you make a loop around the conductor, similar to the high-amp AC ammeters except with a lo; /archives//html/RFI/2003-01/msg00071.html (7,592 bytes)
2. [RFI] RFI clip-on probe? (score: 1): Author: ka5s at earthlink.net (Cortland Richmond); Date: Mon Jan 27 14:31:18 2003; You can make a tolerable clip-on probe by putting a one-turn (preferably shielded) pickup winding through a snap-on ferrite bead. You could choose a bead to not adversely affect current in the lead i; /archives//html/RFI/2003-01/msg00074.html (7,613 bytes)
3. [RFI] RFI clip-on probe? (score: 1): Author: n0tt1 at juno.com (n0tt1@juno.com); Date: Mon Jan 27 23:31:39 2003; On Mon, 27 Jan 2003 09:49:28 -0800 Wiley Sanders <wsanders@wsanders.net> writes: ...think I saw a simple clamp-on probe in QST...do a search on the ARRL web. As I remember, it used a clothes pin for; /archives//html/RFI/2003-01/msg00077.html (7,208 bytes)
4. [RFI] RFI clip-on probe? (score: 1): Author: G3SEK at ifwtech.co.uk (Ian White, G3SEK); Date: Tue Jan 28 10:18:52 2003; There's a very important point here: in order to have a low impedance at the primary (the sampled wire), you *must* terminate the multi-turn secondary with a resistor. For example, with a reasonable; /archives//html/RFI/2003-01/msg00078.html (7,678 bytes)
5. [RFI] RFI clip-on probe? (score: 1): Author: ka5s at earthlink.net (Cortland Richmond); Date: Tue Jan 28 12:27:15 2003; Yes indeed; a ferrite bead transformer can add impedance. Typically, small snap-on EMI ferrites run about 850 permeability (e.g.: FairRite 43 or Steward 28 material) and come in at 100 MHz around 80-; /archives//html/RFI/2003-01/msg00079.html (8,072 bytes)

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