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clock generator and synthesizer

Discussion in 'Electronic Basics' started by jason, Aug 3, 2005.

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  1. jason

    jason Guest

    Hello All

    Anyone can technically explain the differences between a clock
    generator and clock synthesizer?

    I want to do a project on clock generator using PLL. But I know almost
    all the sources I found is PLL-based clock synthesizer.
    Kindly share with me how to differentiate them
    Thank you all

    best rgds
  2. Lord Garth

    Lord Garth Guest

    It seems to me that a synthesizer is producing its output from a higher or
    frequency source. A clock generator may simply be a buffered oscillator
    This kind of hair splitting seems rather unimportant, why do you ask?
  3. jason

    jason Guest

    Hi Lord

    Thank you for the answer.
    I am given a project to simulate a clock generator. But my lecturer
    mentioned to me I must use a clock generator instead of a clock
    I do not know what does it mean.
    I am hoping I can get more advice from this group before I ask my
    lecturer for more details.
    Can you give me some important point that I can ask my lecturer in
    order to know more of what a clock generator is different from clock
    synthesizer to avoid getting the wrong circuit?

    PLL based clock generator has a phase detector, Low pass filter, cmos
    charge pump and a buffer? Does it come with a frequency divider?
    How about PLL based clock synthesizer?

    Kindly enlighthen
    Thank you so much

    best rgds

  4. Rich Grise

    Rich Grise Guest

    The way you're _supposed_ to do it is to ask the lecturer for the
    details if they're not clear to you. His job is to make you
    understand, and if he can't, or won't, answer your questions,
    then he is simply not doing his job. If you don't bother to
    ask, then you're not doing your job as a student.

    Nobody here can have any better idea of what your lecturer wants
    than he does, so we'd be making stuff up.

    Go ask the teacher.

    Good Luck!
  5. jason

    jason Guest

    Thank you Rich!

    Well said
    I look forard to get the exact goal so I can work on it and come back
    here for discussions

  6. Rich Grise

    Rich Grise Guest

    Doing just that might be the most valuable part of your education -
    that is, learning to pump for details until you get a crystal-clear
    understanding of the task at hand. Well, at least a clear
    description. :)

    Good Luck!
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