81250 Datasheet, PDF (12/64 Pages) Keysight Technologies – Agilent ParBERT 81250 Parallel Bit Error Ratio Tester

Eye opening
During this measurement both
sampling point timing and
analyzer threshold voltage are
automatically swept, while BER
is recorded and plotted either as
a pseudo-color- or a contour-plot
(see figure 9 a,b,c), giving the
user intuitive and in-depth
information of the pulse- or
eye-performance of the RX
under test.
Range and resolution for the
measurement parameters and
pass/fail values are user
definable.
Table 4: Eye opening
Numerical Measurement Results
Pass/fail
Graphical Result Displays
Optimum sample Point delay
Optimum threshold
Eye opening (Volt)Phase margin
For all parameters
Each parameter can be individually enabled
pseudo color plot BER-contour
Two markers: voltage, delay, BER
Figure 9a/b/c. View the BER for one terminal as a pseudo color plot or contour plot or equal BER at BER threshold
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ParBERT 81250¹²Main Overview