sync with the main voltage(230V)

Discussion in 'General Electronics Chat' started by badrove, Apr 28, 2008.

  1. badrove

    Thread Starter Member

    Mar 18, 2008
    12
    0
    Hello,

    I look for a scheme allow me to sync my output with the main voltage(230V).
    I mean that my output will be a 0-5V signal
     
  2. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    Search on zero crossing or zero crossing trigger. There are lots of options. John
     
  3. badrove

    Thread Starter Member

    Mar 18, 2008
    12
    0
    i want a square wave circuit() synchronous with the main power and not a zero crossing detector.
     
  4. JoeJester

    AAC Fanatic!

    Apr 26, 2005
    3,373
    1,157
    One viable solution has been presented to you. I'd recommend you investigate that solution.
     
  5. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    Your search on zero crossing should have yielded circuits based on voltage comparators where the reference is zero. That gives you a square wave of the same frequency and in sync, except for a small delay dependent on the comparator. How close to sync do you need? John
     
  6. thingmaker3

    Retired Moderator

    May 16, 2005
    5,072
    6
    If it were me, I'd use a zero-crossing detector to synchronize the square wave with the line frequency.
     
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