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4 Bit Synchronous Counter to use as 4 Bit ADC

  1. Jan 3, 2012 #1
    Hello
    Im really struggling with this question ive been given:
    ----------------------------------------------------------------------------------------
    Construct a four bit synchronous counter, then use as a guide to crate a four bit ADC which will:
    When output 0 to 3 light should immuminate for low
    When output 4 to 13 light should illuminate for ok
    When output 14 to 15 light should illuminate for high

    Then write boolean expression and create karnaugh map

    ----------------------------------------------------------------------------------------
    Ok so heres where i am so far with it, i have created the 4 bit synchronous counter on multisim:
    http://imageshack.us/photo/my-images/855/counterg.png/

    and i also produced my boolean expression:
    http://imageshack.us/photo/my-images/687/booleank.png/

    -----------------------------------------------------------------------------------------
    I have no idea how to carry out the ADC stage of the counter and also i seem to be really struggling trying to simplify the boolean expression and with the karnaugh map. Not my strongest module im afraid...

    Any help would be very much appreciated Thank you
     
  2. jcsd
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