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crystal oscillating

Discussion in 'Electronic Basics' started by lerameur, Jan 10, 2007.

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  1. lerameur

    lerameur Guest

    Hello, I have a 2.0Mhz (2 pin ) crystal. I would liek to havr it
    oscillate so i can incorporate it inta a circuit. I tried puting one
    leg to Ground and the other to Vdd but nothing. How do i make it
    oscillate

    K
     
  2. Your crystal is an electromechanical resonator. It must be
    combined with gain and feedback, to have it take part in an
    oscillator.

    See: http://www.fairchildsemi.com/an/AN/AN-340.pdf
     
  3. Then you incorporate it into the circuit.

    It's a passive element, and if you want it to oscillate, you need
    to incorporate it into an oscillator.

    Of course, if you'd gotten a 2MHz oscillator, then you'd incorporate
    that into whatever you are building.

    Michael
     
  4. John  Larkin

    John Larkin Guest


    If it were oscillating, how would you know it?

    John
     
  5. lerameur

    lerameur Guest

    On my scope,
    Ok so i will a feedback amp.
    thanks
     
  6. Don Bowey

    Don Bowey Guest

    Also, check Google for "crystal oscillator."


    Don
     
  7. John Larkin

    John Larkin Guest

    But your scope would be connected from ground to Vdd, right? So you'd
    be seeing Vdd.

    John
     
  8. John Fields

    John Fields Guest

     
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