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Published on Oct 23, 2010
Now you can see, how it works. The ferrite core are doing the hard work. The 6 cores is very soft ferrite type F50-H with a permeability at 15000 each The resonate frequency is 50 KHz. The AA cell must give exact 1,4 volt . The current is 0,25 Amps. You can buy the ferrite cores here http://www.cwsbytemark.com