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Altera_Forum's avatar
Altera_Forum
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17 years ago

Noise Problem through cpld

hi ..i am facing a problem of noise when i added my cpld to speaker...whatever data we are sending(like tone) to the speaker comes out properly but side by side some noise also comes...noise interval is not certain..some times its comes early some times late... but very less duration...can anybody help me regarding this issue

1 Reply

  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    Can you explain, how your analog circuit (speaker, amplifier?) is connected to the CPLD? Do you use some kind of DAC or audio codec to generate the analog signal?