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SparkFun will be closed for Labor Day (9/7/2015). Order will resume shipping out on Sept 8th. Have a great weekend!

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agrif

Member Since: July 11, 2007

Country: United States

  • Ferrite beads are used to suppress high-frequency noise. Most USB cords I’ve seen loop around a big one in the cord itself (they’re those big round things near one of the ends). I suppose FTDI recommends them for the USB cords that don’t have one.
    Even if the cord doesn’t have one, and there isn’t one on the board, doesn’t a small capacitor between ground and supply do the same thing?

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