– From the
Analysis
panel select the
Eye Diagram
page.
– Press the
Start
button.
The eye diagram should look like this after some seconds:
Note that a de-emphasis value of 6 dB causes a 50 percent amplitude
reduction.
Check the Output of the Pattern Generator with a Scope
If the N4916A does not produce a signal, check the Data Out of the Serial
BERT.
•
Connect the Data Output of the pattern generator to an oscilloscope.
N O T E
As long as the N4916A is in "connected" state (after pressing the Connect button),
the pattern generator's output is programmed to a fixed level. The amplitude is set
to 1.2 V, the offset to 0. This yields a signal of ±0.6 V.
Solving Problems
8
Agilent J-BERT N4903 High-Performance Serial BERT
391
Summary of Contents for J-BERT N4903
Page 1: ...S Agilent J BERT N4903 High Performance Serial BERT User Guide s Agilent Technologies...
Page 68: ...2 Setting up Patterns 68 Agilent J BERT N4903 High Performance Serial BERT...
Page 158: ...4 Setting up the Error Detector 158 Agilent J BERT N4903 High Performance Serial BERT...
Page 314: ...6 Evaluating Results 314 Agilent J BERT N4903 High Performance Serial BERT...
Page 374: ...7 Jitter Tolerance Tests 374 Agilent J BERT N4903 High Performance Serial BERT...
Page 394: ...8 Solving Problems 394 Agilent J BERT N4903 High Performance Serial BERT...
Page 434: ...Index 434 Agilent J BERT N4903 High Performance Serial BERT...
