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analog to ttl

Discussion in 'Electronic Design' started by dimention11, Jul 6, 2005.

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  1. No matter how you set all this up, with more or less hysteresis,
    appropriate positive feedback to drive it rapidly to the rails, etc.,
    there is going to be a resulting duty cycle of ON versus OFF that is
    decided by how you set up things. And this may impact the visual
    effect of your laser display, regardless of the fact that the power is
    always neatly full-on or full-off. It seems you may want some method
    of controlling this aspect, so that you can adjust it to what you
    need.

    Perhaps even an independent control for each of the two hysteresis
    voltages would be nice? Or else independent control of the center and
    width of the hysteresis band?

    Jon
     
  2. Rich Grise

    Rich Grise Guest

    http://www.google.com/search?q="window+comparator"

    Cheers!
    Rich
     
  3. Fred Bloggs

    Fred Bloggs Guest

    or Schmitt triggers...
     
  4. Guest

    or Schmitt triggers made with comparators...
     
  5. Fred Bloggs

    Fred Bloggs Guest

    But a digital family catalog will have no listing for anything called a
    "comparator" in the analog sense. The digital comparator works on bit
    patterns. It will have a listing for Schmitt Trigger.
     
  6. Good point for a beginner.
     
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