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line locked clock

Discussion in 'Electronic Design' started by [email protected], Feb 16, 2006.

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  1. Guest

    Can anyone tell me what is a line locked clock??

  2. Guest

    Google suggests that you find a copy of ITU 601, It sounds as if ITU
    601 wants you to lock your pixel-level sampling clock to the line scan
    clock - presumably with some form of phase-locked loop. You can
    probably get away with using a voltage-controlled crystal oscillator as
    the adjustable clock source.
  3. Dan Hollands

    Dan Hollands Guest

    Back in the long ago times it would have been a time of day clock locked to
    the power line frequency - probably has some other meaning today

    Dan Hollands
    1120 S Creek Dr
    Webster NY 14580
  4. Paul Burke

    Paul Burke Guest

    Probably is that today as well. Some 20-odd years ago I worked on such a
    system, that was locked to the mains frequency so as to fire thyristors
    at the desired phase angle, even in Sudan.

    Paul Burke
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