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Forums
4hv.org :: Forums :: Tesla Coils
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CCFL mini tesla coil

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Myke
Sat Nov 27 2010, 06:54PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
dingo27 wrote ...

Myke wrote ...
... the largest yellow or yellow and white toroidal core ...

is there a difference in parameters between them?
I don't think so. The yellow and white cores tend to be iron powder so it's good for filtering DC currents. The size would be for getting more turns on it. I also want to say that it has to do with saturation but I'm not completely sure.
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Adam Munich
Sat Nov 27 2010, 08:26PM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
If you open up a computer monitor you may find a ferrite toroid inside. They wrap the signal wires once around it to filter noise. I want to say that dell monitors always have them because every one I've taken apart did, but I'm not certain.

I used a ferrite ring and a iron powder ring for my ZVS, the ferrite one works better.
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Michalis.Biochem
Mon Dec 20 2010, 11:57AM
Michalis.Biochem Registered Member #3340 Joined: Wed Oct 20 2010, 07:28PM
Location:
Posts: 69
ccfl circuit
1292846250 3340 FT99520 070

1292846250 3340 FT99520 071
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Tesla Fan
Mon Dec 20 2010, 11:23PM
Tesla Fan Registered Member #3353 Joined: Sat Oct 23 2010, 11:21PM
Location: Greece
Posts: 90
Hi, as far as i can see from the photos, the big CCFL board has the + at the corner of the board.
1292887366 3353 FT99520 Updown

1292887366 3353 FT99520 Plusminus
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Tesla Fan
Wed Feb 02 2011, 12:03PM
Tesla Fan Registered Member #3353 Joined: Sat Oct 23 2010, 11:21PM
Location: Greece
Posts: 90
Making a small secondary:
1296648181 3353 FT99520 1

1296648181 3353 FT99520 2

1296648181 3353 FT99520 3
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