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DS125BR800A: EQ Levels on DS125BR800A

Allen Mekerdichian
Prodigy 230 points
Part Number: DS125BR800A
Other Parts Discussed in Thread: DS125BR820

Hi,

  • The DS125BR800A datasheet says there are 256 levels for EQ control, but Table 3 only lists a few of the options. Is there a more complete list for all 256 settings?
  • The minimum input EQ setting of the repeater is quite high. Is there a way to turn off EQ?

  • 0
    TI__Mastermind 43795 points

    Hi Allen,

    There is no method to completely bypass the DS125BR800A equalizer.  The minimum setting does reduce the gain to ~ 3 dB at the higher datarates.  This level of equalization will work well on signals which have little or no attenuation.

    The equalization table represents a good cross-section of available settings.  Especially at lower gain levels, there are no better settings available. 

    For lower levels of equalization, the DS125BR820 has reduced gain and is pin compatible.

    Regards,

    Lee