Agilent Technologies DisplayPort Bedienungsanleitung PDF herunterladen (Seite 39)

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DisplayPort Test Implementation Group 39 Agilent J-BERT N4903B & 90000A/X/Q Series Sink Draft2

Figure 35: HBR2 Random Jitter Calibration

10. On the J-BERTN4903B, disable RJ.

11. To calibrate the SJ terms, on the J-BERT N4903B, enable the desired PJ term to calibrate (PJ 1 or

PJ 2). Each SJ term needs to be calibrated independently.

12. Set the PJ to the specification target value.

13. Press the Clear Display button on the scope front panel.

14. Press the Single button on the scope front panel.

15. The DSA will take a few moments to update the eye diagram and measurements.

16. Adjust Periodic Jitter on J-BERT N4903B until PJ(d-d) matches the target value in the PHY CTS

1.2b.

Figure 36: HBR2 Sinusoidal Jitter Calibration

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Agilent Technologies DisplayPort Bedienungsanleitung Seite 39