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Thread: FM Modulator Noise Question

  1. #1
    Low Bitrate bd3521's Avatar
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    FM Modulator Noise Question

    Anyone know why my fm modulator makes an increasing background sound as I accelerate (as my rpms increase the whining noise increases)?


    thanks

  2. #2
    Newbie
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    Do a search on "alternator whine" either here or on google

  3. #3
    Low Bitrate bd3521's Avatar
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    thanks MonkeyBoy. Now at least i know what its called. 1st im going to try re-grounding, 2nd ground loop isolator, and 3rd noise suppressor. Hopefully 1st step works.

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