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CCS: Power line comunication with SN65HVD1786

chennangan
Intellectual 750 points
Other Parts Discussed in Thread: SN65HVD1786, THVD8000

Tool/software: Code Composer Studio

hi：

I  use chip SN65HVD1786 in order  to power line communication ;

My  transmit  data  flows as  same as receive data flows;

But a error datas  appears  as follow(the green is receive    and   the yellow  is transmit is transmit of power  line).

what may cause  this problem.

:

  • 0
    TI__Mastermind 25705 points

    Hi,

    Did you mean the low state is an error while the transmitting is DC? Is the yellow curve differential signal or single-ended? Can you check the input at the receiver's pin? How does the receiver response to the DC signal? Can you share the schematic?

    BTW, TI has pre-released a power line communication device THVD8000, which integrates the modulation. You may want to check it out.

    Regards,

    Hao