User guide

7
Set up the error detector to match the input range and the termination with the
pattern generator’s levels:
– Select an Input Range from –2 V to 0 V
– Set the Data Termination to –2 V
– Set the Alignment BER Threshold to 1E–6
– Set the Clock Setup to Clock Data Recovery to get the error detector’s clock
from the incoming data stream.
8
Enable the pattern generator outputs by pressing the 0V (Disable) button.
How to Initiate an Eye Diagram Measurement?
To run the eye diagram measurement:
1
Click the Eye Diagram menu item from the Analysis submenu.
2
Click the Start button to execute the measurement.
The measurement runs, and the eye diagram along with the Automated Eye
Parameter Measurement get updated constantly.
The following graph shows the eye diagram.
3
To stop the measurement click on Abort.
Advanced Analysis 6
Agilent J-BERT N4903B High-Performance Serial BERT 321