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Convert sound frequency to voltage and vice versa

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  • Convert sound frequency to voltage and vice versa

    I know it can be done somehow, but I need schematics.

  • #2
    They already make chips for it

    http://www.national.com/mpf/LM/LM2917.html

    And for more just enter "frequency to voltage converter" into Google. There are more than one brand of V/F converter chips. There are articles about the concept and circuits.
    Education is what you're left with after you have forgotten what you have learned.

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    • #3
      Originally posted by Enzo View Post
      They already make chips for it

      http://www.national.com/mpf/LM/LM2917.html

      And for more just enter "frequency to voltage converter" into Google. There are more than one brand of V/F converter chips. There are articles about the concept and circuits.
      "They already make chips for it"

      I feel like I've been living underground for a long time lol

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