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    Grounding audio circuit for RFI immunity...

    The choice that puzzled me, I am trying to determine the best way to ground the following audio circuit for best RF immunity. Right now I'm looking at two options, and am not sure if there's even...
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    Strange noise in audio background

    Yesterday my friend told me that she had set up an audio amplifier using TDA7297 and Raspberry Pi's 3.5 mm audio jack. And she was using omxd, a daemon for omxplayer, and playing mp4 video files. The...
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