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Resonant LCR Amazing Circuit 2.

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Uploaded by 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

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  • How long this can run on a single battery?

  • hello larskro, how can this circuit be calculated. how is the voltage, the resonance frequency of 50 kHz, the tube, the R and C entangled. it is a very interesting thing, that a metall tube reacts that way.

    any further hints would be very appreciated.

    tnx

    gerhard

  • resonate is a verb, and resonant is an adjective.

  • just wanted to mention.. its "resonant", not "resonate". (resonant frequency). Oscillators resonate at their resonant frequency.

  • @Landotter1 that's true

  • Almost. If you try to keep your eyes in one place and turn your head, your eyes will pick up on the flashing. Well, mine do, anyway. Out of the corner of my eye, I could see the old computer monitors blink, from time to time, depending on how tired I am. I could see the 60 HZ refresh rate. :-D If I was real tired, they would give me one hell of a headache....

  • @theemusic92

    What do you mean?

  • BC107b is NPN type....btw nice experiment. Did you tried without PNP transistor?

    As BDX33C is already a Darlington type.

  • BC107b is NPN type....btw nice experiment.

  • @tenkosami LED's will work on AC but they will only light on the part of the cycle that they are polarized to. I have run an LED on 115VAC with a 330K resistor for I limiting and it worked fine. You can just barely distinguish it flashing.

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