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TDP142: Test data for TDP142 and TDP158

Peggie
Intellectual 445 points

Part Number: TDP142
Other Parts Discussed in Thread: TDP158

I use the TDP142 for the DP extension cable and the TDP158 for the HDMI extension cable. How many meters can the two Re-drivers extend the signal in the wire of the material? Is there an extended length of test data or reports? Please provide an accurate data or report for design reference.

  • 0
    TI__Guru**** 183501 points

    Peggie

    It is difficult to specify max cable lengths because the cable loss will vary with the cable gauge and the quality of cable. 20M is at the maximum range supported for HDMI 2.0 even with redriver /retimers. For DP142, the max equalization it can support at 4.05G Nyquist frequency is 14dB. 

    Thanks

    David