Crystal Oscillator

Discussion in 'The Projects Forum' started by sirish, Apr 16, 2006.

  1. sirish

    Thread Starter New Member

    Apr 5, 2006
    4
    0
    Hi,
    I want to design a Crystal Oscillator circuit for generating 640 khz that i can give as the i/p to the clock pin of adc0808.
    Is the crystal oscillator output ttl compatible.
    Plz let me know how to design the circuit.
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,152
    1,794
    You have not provided nearly enough information. What kind of a crystal were you thinking of? Why does an A/D clock hve to be crystal controlled? Do you want a discrete design using transistors, resistors, inductors and capacitors that will be TTL compatible, or do you want a design that uses TTL integrated circuits, or can we also use CMOS integrated circuits? You need to specify your requirements; we cannot help you without more information.
     
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