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Digital ballast for high pressure sodium lamp. Schematics?

Discussion in 'Hobby Electronics' started by Ragnar Roeck, Jan 22, 2007.

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  1. Ragnar Roeck

    Ragnar Roeck Guest

    Hi!

    Those ballasts are available for around $150 in aquaristic shops, and
    are told to have much better efficiency, prolong the life of the bulb etc.
    I was unable to find any schematics, or even ICs of which I could use at
    least the datasheets. Anyone has links, or whatever might help me?

    Thanks, Ragnar
     
  2. Bob Parker

    Bob Parker Guest


    You're right ... I just searched Google for information for 30
    minutes, and I didn't find anything useful either. Only sites demanding
    that I register/pay to see what they've got. :(

    Bob
     
  3. Ragnar Roeck

    Ragnar Roeck Guest

    Thanks for your efford, this seems to be one of the more "secret"
    developments...but finally I found something, probably of help to
    others, too.

    http://www.pwm.pe.kr/hidballast.html
     
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