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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 interva...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
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?