producing 440 hz sine wave

Discussion in 'Wireless & RF Design' started by bhuvanesh, Jun 27, 2014.

  1. bhuvanesh

    Thread Starter Member

    Aug 10, 2013
    268
    2
    The x[n] is apssed in recrussive loopp called y[n]=y[N-1]+x[n]
    1)i dont know what the term 'M' means.
    2)In the image what represents that its is 440hx wave
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,148
    1,791
    M is the number of elements in a table. In this case the table has 100 elements. To create a sine wave you pick the elements out of a table and send those values to a DAC or equivalent circuit. Wash rinse repeat.
     
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