Teledyne LeCroy QPHY-DisplayPort - Manual (Page 3)

QPHY-DisplayPort Software Option
QPHY-DisplayPort-OM-E Rev A
3
TABLE OF CONTENTS
INTRODUCTION TO QUALIPHY DISPLAYPORT .................................................................... 6
Required equipment ................................................................................................................................................... 6
DisplayPort Compliance Test Fixtures ....................................................................................................................... 6
USING QUALIPHY DISPLAYPORT .......................................................................................... 6
QUALIPHY COMPLIANCE TEST PLATFORM ......................................................................... 7
Oscilloscope Option Key Installation .......................................................................................................................... 9
Typical (Recommended) Configuration ...................................................................................................................... 9
Remote (Network) Configuration ............................................................................................................................... 9
Oscilloscope Selection ............................................................................................................................................... 9
Accessing the QPHY-DisplayPort Software using QualiPHY .................................................................................. 10
Customizing QualiPHY ............................................................................................................................................. 12
QPHY-DisplayPort Operation ................................................................................................................................... 14
DISPLAYPORT MEASUREMENT PREPARATION ................................................................ 15
QPHY-DISPLAYPORT TEST CONFIGURATIONS ................................................................. 15
All Tests for Compliance (Lane0) ............................................................................................................................. 15
All Tests, High Bit Rate, SSC ................................................................................................................................... 15
All Tests, Reduced Bit Rate, SSC ............................................................................................................................ 15
Demo Mode, High Bit Rate, No SSC ....................................................................................................................... 15
Empty Template........................................................................................................................................................ 15
QPHY-DISPLAYPORT VARIABLES ....................................................................................... 16
Test Mode ......................................................................................................................................................... 16
Bitrate(s) to Use for Test ................................................................................................................................... 16
Lane Under Test ............................................................................................................................................... 16
SSC ................................................................................................................................................................... 16
3.1 Eye Diagram Testing .......................................................................................................................................... 16
Output Level to Test.......................................................................................................................................... 16
Pre-emphasis Level to Test .............................................................................................................................. 16
3.3 Pre-Emphasis Level Verification Testing ............................................................................................................ 16
Output Level to Test.......................................................................................................................................... 16
3.4 Inter-Pair Skew Test ........................................................................................................................................... 16
Second Lane Under Test .................................................................................................................................. 16
Output Level to Test.......................................................................................................................................... 16
Only Test At Highest Bit Rate ........................................................................................................................... 16
3.5 Intra-Pair Skew Test ........................................................................................................................................... 16
Output Level to Test.......................................................................................................................................... 16
Only Test at Highest Bit Rate ........................................................................................................................... 17
3.10 AC Common Mode Noise ................................................................................................................................ 17
Output Level to Test.......................................................................................................................................... 17
Pre-emphasis Level to Test .............................................................................................................................. 17
3.11 & 3.12 Non-ISI and Total Jitter Measurements ................................................................................................ 17
Output Level to Test.......................................................................................................................................... 17
Pre-emphasis Level to Test .............................................................................................................................. 17
3.14-3.16 Spread Spectrum Tests ............................................................................................................................ 17
Output Level to Test.......................................................................................................................................... 17
QPHY-DISPLAYPORT LIMIT SETS ........................................................................................ 17
QPHY-DISPLAYPORT TESTS ................................................................................................ 18
3.1 Eye Diagram Testing .......................................................................................................................................... 18
3.2 Non Pre-Emphasis Level Verification Testing .................................................................................................... 18