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Agilent Technologies, Inc.
DisplayPortTM
Standard
Draft 3
February 25 , 2013
Agilent MOI for DisplayPort PHY CTS 1.2b Sink Tests Using
J-BERT N4903B and Calibration Using DSA90000A/X/Q
Series Oscilloscopes
This document is provided "AS IS" and without any warranty of any kind, including, without limitation,
any express or implied warranty of non-infringement, merchantability or fitness for a particular purpose.
In no event shall VESATM or any member of VESA be liable for any direct, indirect, special, exemplary,
punitive, or consequential damages, including, without limitation, lost profits, even if advised of the
possibility of such damages.
This material is provided for reference only. VESA does not endorse any vendor's equipment including
equipment outlined in this document.
DisplayPort Test Implementation Group 1 Agilent J-BERT N4903B & 90000A/X/Q Series Sink Draft2
Agilent Technologies, Inc.
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 SJFIXED Calibration................................................................................................................. 17
9.3.2 SJSWEEP ................................................................................................................................... 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
DisplayPort Test Implementation Group 2 Agilent J-BERT N4903B & 90000A/X/Q Series Sink Draft2
Agilent Technologies, Inc.
TEST STATION CONFIGURATION ................................................................................................ 46
DUT CONFIGURATION SETUP .................................................................................................... 48
AUTOMATED SINK CALIBRATION .............................................................................................. 49
AUTOMATED SINK TESTING ....................................................................................................... 51
E. APPENDIX: ISI ADJUSTMENT USING DE-EMPHASIS ..................... 53
SETUP A DE-EMPHASIZED SIGNAL ............................................................................................. 53
N4916B De-emphasis Signal Converter .............................................................................................. 53
Channel Add of Data Out and Aux Data Out ...................................................................................... 54
ISI ADJUSTMENT PROCEDURE ................................................................................................... 55
F. APPENDIX: USE OF OTHER RECEPTACLE FIXTURES .................. 56
DisplayPort Test Implementation Group 3 Agilent J-BERT N4903B & 90000A/X/Q Series Sink Draft2
Agilent Technologies, Inc.
1 MODIFICATION RECORD
,