Agilent Technologies, Inc.
DisplayPort Test Implementation Group 2 Agilent J-BERT N4903B & 90000A/X/Q Series Sink Draft2
1! MODIFICATION RECORD ........................................................................... 4!
2! INTRODUCTION ............................................................................................. 5!
3! REFERENCES .................................................................................................. 6!
4! ACKNOWLEDGEMENTS .............................................................................. 6!
5! TABLE OF FIGURES ...................................................................................... 7!
SINK JITTER TOLERANCE TEST (4.1) ........................................................... 9!
6! PRE-TEST PROCEDURES: ........................................................................... 9!
7! TEST OBJECTIVE .......................................................................................... 9!
8! TEST CONDITIONS ........................................................................................ 9!
9! SINK TEST CALIBRATION PROCEDURE .............................................. 10!
9.1! ISI VERIFICATION ............................................................................................................. 11!
9.2! RJ CALIBRATION .............................................................................................................. 15!
9.3! SJ CALIBRATION ............................................................................................................... 17!
9.3.1! SJ
FIXED
Calibration ................................................................................................................. 17!
9.3.2! SJ
SWEEP
................................................................................................................................... 18!
9.4! EYE HEIGHT CALIBRATION ............................................................................................... 21!
9.4.1! Eye Height Calibration without Crosstalk ............................................................................ 23!
9.4.2! Eye Height Calibration with Crosstalk ................................................................................. 25!
10! TESTING THE DUT ................................................................................... 27!
A.! APPENDIX: AGILENT EQUIPMENT LIST FOR 1.2B DISPLAYPORT
SINK TESTING .................................................................................................... 28!
B.! APPENDIX: AGILENT 90000A/X/Q SETUP STEPS FOR SINK
CALIBRATION .................................................................................................... 29!
ISI CHANNEL SCOPE SETUP ....................................................................................................... 29!
Initial Scope Setup ............................................................................................................................... 29!
MEASURING ISI ......................................................................................................................... 32!
EYE DIAGRAM DISPLAY ............................................................................................................. 36!
RJ AND SJ CALIBRATION SCOPE SETUP ..................................................................................... 38!
EYE HEIGHT CALIBRATION (WITH AND WITHOUT CROSSTALK) .................................................. 40!
C.! APPENDIX: RBR ISI AND EYE HEIGHT MEASUREMENTS ........... 42!
RBR ISI MEASUREMENT ........................................................................................................... 42!
BERT based ISI Measurement for RBR .............................................................................................. 42!
Scope based ISI measurement for RBR ............................................................................................... 43!
EYE HEIGHT MEASUREMENT FOR RBR ..................................................................................... 44!
D.! APPENDIX: TEST AUTOMATION ......................................................... 46!
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