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How can I vary an Ultrasonic Mist Maker vibration using a soundcard tia sal2

Discussion in 'General Electronics' started by sal2, Jun 14, 2008.

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  1. sal2

    sal2 Guest

    Greetings All

    I would like to vary an ultrasonic mist maker like this one
    http://www.physlink.com//estore/cart/UltrasonicMistMaker.cfm
    using my audio sound card.

    Example:
    I want to produce complex waves using my sound card 4000Hz square wave
    combined with some 1000 hz sine waves etc.. I would like to be able
    to vibrate the ultrasonic mist maker transducer at this rate. Is this
    possible?

    I can create the audio waves easily but I'm not sure how to drive/control
    the vibration of the ultrasonic mist maker using the signal coming from
    my sound card. Does anyone have any recommendations? I'm trying to keep
    this as cheap as possible and use a ultrasonic transducer off the shelf.

    tia sal2
     
  2. neon

    neon

    1,325
    0
    Oct 21, 2006
    these devices are design with optimun efficiency as bought changing freqency will change the efficiency . besides what do you expect to achive better results?
     
  3. amdx

    amdx Guest

     
  4. amdx

    amdx Guest

    Most of the mist makers I'm familiar with run at 1 to 2 Megahertz.
    Your sound card frequency is way to low. What are you trying to do
    with the ultrasound?
    Mike
     
  5. Joerg

    Joerg Guest

    Usually you can only modulate it. So he'd have to build a modulator that
    gets added on to the generator in the box and then feed that from the
    sound card.
     
  6. neon

    neon

    1,325
    0
    Oct 21, 2006
    again your idea is lame this is a vibrator design with mechanical dumping as with a spring it will oscillate mybe as some hamonics. it has nothing to do with frequency as in electronics but it has everything to do with the mechanics of the thing.
     
  7. Joerg

    Joerg Guest

    Or light up a nice big stogie. Might be frowned upon in some places though.
     
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