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zero crossing detector and reset counter circuit

Discussion in 'Electronic Projects Design/Ideas/Reviews' started by dark_conqueror, Oct 31, 2003.

  1. dark_conqueror

    dark_conqueror New Member

    Joined:
    Oct 31, 2003
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    hi
    ok , i am very bad at this circuitry stuff and for my last year project i need to make a counter which count the time differences electric leakage frequency and applied voltage frequency .

    the idea is to count the time difference between when a zero cross happens for electric leakage frequency and for a zero cross for applied voltage frequency

    anyone knows any diagram for a counter circuit which has a reset function in it. which can be made without buying more stuff .
    is there anyone could tell me and give me the schematic for a compilator i could use? or even a zero cross detector

    any help is appreciated,even a link would do .

    help me obiwan kenobi , your my only hope

    dark conqueror
     

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