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SN74AVC1T45: EMI issue

Patrick Chen
Mastermind 8875 points
Part Number: SN74AVC1T45

Hello

     Customer use SN74AVC1T45 now. For some testing, it happened EMI noise about 800MHz out of chip. Do we have any other solution that can avoid or suppress the overshoot for EMI? Or have any reference circuit to avoid EMI issue? Thank you. 

BR

Patrick

  • 0
    TI__Guru 58720 points
    Hi Patrick ,

    how do you test the EMI ? how is it determined that the TI part is the source of EMI ?
    what is the input signal , is it free from EMI ?
    suppression techniques is usually related to ground plane shielding the signal layer on both sides to absorb EMI. keeping the trace short helps.