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DS125BR401: AC coupling capacitor placement issue in DS125BR401

Lakshmanan V
Intellectual 480 points
Part Number: DS125BR401

Hello sir,

    For one of our design we are just following AC coupling capacitor as per application diagram given in the datasheet.

Thanks & Regards

Lakshmanan V

  • 0
    TI__Mastermind 43795 points

    Hi Lakshmanan,

    You can place the AC coupling capacitor in either location.  It often depends on the system configuration.  Typically when more than one PCB is involved, the AC coupling capacitor is placed with the Tx.  Still I prefer to keep the capacitor at least 1-2 inches from the Tx in order to minimize any impedance discontinuity casued by the capacitor footprint.

    Regards,

    Lee