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LMK04828BEVM Waveform

user6360432
Intellectual 320 points
Other Parts Discussed in Thread: LMK04828BEVM

hello,

About LMK04828BEVM, why there are two backups in the rising edge and trailing edge?

Why are they symmetrical?

Why does the wave jitter drastically in the platform in the third picture below, which is different from the signal in your "user's guide"?

 

  • 0
    TI__Mastermind 33800 points

    Hello user6360432,

    Without additional details such as the output format, the termination style, etc. it is hard to evaluate. Is the signal terminated to 50Ω? Is the unused leg of the differential pair terminated to 50Ω, or else are you using a balun to ensure the differential impedance is correct?

    My guess is the symmetric nonmonotonicity is a result of reflections in the signal, due to improper signal termination.

    Regards,