Clock Accuracy and Multiplication

Discussion in 'General Electronics Chat' started by Gavin, Jul 22, 2010.

  1. Gavin

    Thread Starter New Member

    Sep 18, 2009
    10
    0
    Hello:

    If I have a 25M oscillator with an accuracy of 1PPM and I feed it into a PLL clock multiplier (x5) to generate an 125M signal, what will be the accuarcy of the 125M signal?

    Thanks,
    Gavin
     
  2. Markd77

    Senior Member

    Sep 7, 2009
    2,803
    594
    1PPM.
    The number of Hz that it can be out by is 5X as many but it is still the same ratio.
     
    Gavin likes this.
  3. Gavin

    Thread Starter New Member

    Sep 18, 2009
    10
    0
    Thanks!

    -Gavin
     
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