Granite River Labs GRL-DP21-SINK-AN User Manual
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Granite River Labs GRL-DP21-SINK-AN User Manual

Displayport phy 2.1 receiver calibration and test user guide & method of implementation using anritsu mp1900a bert and high performance real-time oscilloscope with displayport 2.1 receiver calibration and test automation software
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Granite River Labs
DisplayPort
PHY 2.1 Receiver Calibration and Test
TM
User Guide & Method of Implementation (MOI)
Using
Anritsu MP1900A BERT and High Performance Real-Time
Oscilloscope
with
GRL-DP21-SINK-AN DisplayPort 2.1 Receiver Calibration and
Test Automation Software
Published on 09 December 2022

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Summary of Contents for Granite River Labs GRL-DP21-SINK-AN

  • Page 1 Granite River Labs DisplayPort PHY 2.1 Receiver Calibration and Test User Guide & Method of Implementation (MOI) Using Anritsu MP1900A BERT and High Performance Real-Time Oscilloscope with GRL-DP21-SINK-AN DisplayPort 2.1 Receiver Calibration and Test Automation Software Published on 09 December 2022...
  • Page 2 This material is provided for reference only. VESA does not endorse any vendor’s equipment including equipment outlined in this document. Copyright © 2022 Granite River Labs. All rights reserved. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 ©...

  • Page 3: Table Of Contents

    1 INTRODUCTION 2 RESOURCE REQUIREMENTS ....................10 QUIPMENT EQUIREMENTS ....................12 OFTWARE EQUIREMENTS 3 INSTALLING AND SETTING UP GRL-DP21-SINK-AN SOFTWARE GRL-DP21-SINK-AN S ............13 OWNLOAD AND OFTWARE 3.1.1 On the Anritsu MP1900A BERT ................. 13 3.1.2 On the PC Used for GRL Framework Installation ............ 14 GRL-DP21-SINK-AN S ....
  • Page 4 6 TEST RESULTS AND REPORTS USING GRL-DP21-SINK-AN 6.1.1 DUT Information ....................... 48 6.1.2 Results Summary Table ................... 48 6.1.3 Calibration & Test Result Details ................50 ......................51 ELETE ESULTS 7 SAVING AND LOADING TEST SESSIONS 8 APPENDIX A: MANUAL CTS SINK CALIBRATION AND TEST PROCEDURE 53 UHBR 10 (10.0 G...
  • Page 5 ................................ 38 Figure 32. DisplayPort USB Type-C Mode BER Compliance Test Setup for DP Sink DUT at TP3_EQ at 10G ..............................40 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 6 Figure 62. Jitter Amplitudes......................... 69 Figure 63. Calibrate RJ Amplitude #1 ....................70 Figure 64. Calibrate RJ Amplitude #2 On Keysight Scope ..............71 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 7 Figure 85. Oscilloscope’s VISA Address ..................... 103 Figure 86. OpenChoice Instrument Manager In Start Menu ............. 104 Figure 87. OpenChoice Instrument Manager Menu ................105 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 8 Table 20. Oscilloscope Jitter Setup ..................... 94 Table 21. Oscilloscope Eye Diagram Vertical Setup ................94 Table 22. DC Gain Settings ........................96 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 9: Introduction

    Logo certification and listing on the DP Integrators List. This User Guide & MOI explains how to set up and use the GRL-DP21-SINK-AN software to automate receiver calibration and compliance testing for DisplayPort 2.1 Sink conformance. The...

  • Page 10: Resource Requirements

    System Qty. Description Key Specification Requirement GRL-DP21- 1 Granite River Labs DisplayPort 2.1 Sink Compliance Calibration & Test Automation SINK-AN Software for the Anritsu MP1900A BERT – www.graniteriverlabs.com (Support > Download Center) – with Node Locked License to single Oscilloscope/PC OS...
  • Page 11 MU181000A/B to MU181500B 1 Anritsu J1624A SMA-SMA cable (0.3 m) MU181500B to MU195020A 1 Anritsu J1624A SMA-SMA cable (0.3 m) GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 11 of 105...

  • Page 12: Software Requirements

    Anritsu High-Speed Serial Data Test Software – Mainframe MX190000A SQA MX190000A Control Software (Version 4.00.00 or above). This software is located on the BERT. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 13: Installing And Setting Up Grl-Dp21-Sink-An Software

    To open the software application, follow the procedure in the following section. Download and Set Up GRL-DP21-SINK-AN Software Install, launch and set up the GRL-DP21-SINK-AN software on a PC or an oscilloscope (where GRL- DP21-SINK-AN is referred to as ‘Controller PC’ or ‘Scope’ respectively in this MOI & User Guide): 1.

  • Page 14: On The Pc Used For Grl Framework Installation

    2. From the Application → Rx Test Solution drop-down menu, select Anritsu DisplayPort Sink Test 2.1 to start the application. If the selection is grayed out, it means that your license has expired. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 15: Figure 3. Start Displayport Sink Test 2.1 Application

    Note: Once the 10-day trial period ends, you will need to request an Activation Key to continue using the software on the same computer or oscilloscope. The demo software is also limited in its GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 ©...

  • Page 16: Figure 6. Connect Instruments With Grl Software

    OFTWARE Note: Further information for connecting the Keysight and Tektronix oscilloscopes to the PC is provided in the Appendix of this document. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 17: Configure The Grl-Dp21-Sink-An Software Before Calibration And Testing

    Configure the GRL-DP21-SINK-AN Software Before Calibration and Testing 3.2.1 Enter Calibration/Test Session Information Select from the menu to access the Session Info page. Enter the information as required for the test session that is currently being run. The information provided will be included in the test report generated by the software once tests are completed.

  • Page 18: Figure 8. Select Lane Under Tests

    • UHBR 13.5 (13.5 Gbit/s per lane) • UHBR 20 (20.0 Gbit/s per lane) 10. S IGURE ELECT ATES GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 18 of 105...

  • Page 19: Set Up Aux Controller For Dut Test Automation

    Initially, when starting for the first time or changing anything in the setup, it is suggested to run Calibration first. If the calibration is not completed, the Sink Tests will show an error message. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 ©...

  • Page 20: Figure 13. Calibration Selection

    14. T IGURE ESTS ELECTION Select the test groups to perform DUT compliance tests for all DisplayPort Sink parameters. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 20 of 105...

  • Page 21: Configure Calibration/Test Parameters

    Set to “True” to de-embed cable while calibrating. Cable DeEmbedding File Define the cable transfer function file. Applicable only when the “Enable DeEmbedding” field is set to “True”. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 22 Prompt Before Link “False” is usually the case. Set to “True” if you want to be prompted prior Training to start running link training. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 23: Configure Calibration Target Values

    ‘Use Default Value’ checkbox. In case the default values are required again, just select the checkbox to allow all existing values to be reset to default. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 24: Run Calibration/Tests

    Select the Run Tests button to start running the selected calibration or tests. The connection diagram for the calibration or test being run will initially appear to allow the user to make sure GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 ©...
  • Page 25 See Section 6 for more information on Test Reports. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 26: Sink Calibration Connection Setups

    Generator Set. Short semirigid cables - J1746A 18. C MP1900A BERT G IGURE ONNECTION ETUP FOR ENERATOR ODULES GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 26 of 105...

  • Page 27: Displayport Usb Type-C Fixture Connector Pin Assignments

    Figure 20 shows the pin assignments/ID for each connector pin of the DisplayPort USB Type-C Plug Fixture. 20. D USB T -C P IGURE ISPLAY IXTURE ONNECTOR SSIGNMENTS GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 27 of 105...

  • Page 28: Standard/Mini Displayport Fixture Connector Pin Assignments

    Figure 22 shows the pin assignments/ID for each connector pin of the Standard/Mini DisplayPort Plug Fixture. 22. S IGURE TANDARD ISPLAY IXTURE ONNECTOR SSIGNMENTS GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 28 of 105...

  • Page 29: Calibration Connection Setups

    Channels 2 and 4 on the Scope using phase matched K-K coaxial cables to inject crosstalk. Note: The unused output lanes of the power dividers must be terminated with 50 Ω terminators. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 30: Calibration Setup At Tp3_Eq For Displayport Usb Type-C Mode

    Connection Steps: 1. Continuing from the MP1900A BERT TP1 calibration setup (Section 4.5.1), disconnect the MU195050A data outputs from the scope channels. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 31: Figure 25. Setup For Tp3_Eq Calibration At 13.5G For Displayport Usb Type-C Mode

    (for example, at TX2+/B2+ and TX2-/B3- pins) to inject crosstalk. Note: The unused output lanes of the power dividers must be terminated with 50 Ω terminators. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 32: Figure 26. Setup For Tp3_Eq Calibration At 20G For Displayport Usb Type-C Mode

    (for example, at TX2+/B2+ and TX2-/B3- pins) to inject crosstalk. Note: The unused output lanes of the power dividers must be terminated with 50 Ω terminators. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 33: Calibration Setup At Tp3_Eq For Standard/Mini Displayport Mode

    Connection Steps: 1. Continuing from the MP1900A BERT TP1 calibration setup (Section 4.5.1), disconnect the MU195050A data outputs from the scope channels. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 34: Figure 28. Setup For Tp3_Eq Calibration At 13.5G For Standard/Mini Displayport Mode

    2. Connect the MU195050A data outputs through DC blocks to ISI channels (for 13.5Gb/s) and then to the receptacle adapter fixtures (at T0_N and T0_P pins) with a 0.8M Standard/Mini DisplayPort cable, and then to Channels 1 and 3 on the scope. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 35: Figure 29. Setup For Tp3_Eq Calibration At 20G For Standard/Mini Displayport Mode

    2. Connect the MU195050A data outputs through DC blocks to ISI channels (for 20Gb/s) and then to the receptacle adapter fixtures (at T0_N and T0_P pins) with a 0.8M Standard/Mini DisplayPort cable, and then to Channels 1 and 3 on the scope. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 36: Sink Dut Compliance Test Setups

    After calibration has completed, testing the DisplayPort Sink DUT for CTS compliance can be performed. The GRL-DP21-SINK-AN application supports automated testing of a DisplayPort Sink device if the device supports standard DPCD through the AUX channel or a compatible AUX controller is connected.
  • Page 37 9. Connect the control board to a USB Type-C Host using a USB Type-C cable. 10. Run the AUX controller test scripts from the USB Type-C Host to control the DUT. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 38: Dut Ber Compliance Test Setup At Tp1 For Standard/Mini Displayport Mode

    4. Connect the MU195050A second data outputs through the AN44182A Power Dividers to the Rx lanes of the DUT that are not under test through the plug fixture (for example, at T2_P & T2_N GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 ©...
  • Page 39 9. Connect the control board to a USB Type-C Host using a USB Type-C cable. 10. Run the AUX controller test scripts from the USB Type-C Host to control the DUT. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 40: Dut Ber Compliance Test Setup At Tp3_Eq For Displayport Usb Type-C Mode

    Type-C cable. 32. D USB T -C M BER C DP S TP3_EQ IGURE ISPLAY OMPLIANCE ETUP FOR GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 40 of 105...
  • Page 41 9. Connect the control board to a USB Type-C Host using a USB Type-C cable. 10. Run the AUX controller test scripts from the USB Type-C Host to control the DUT. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 42: Figure 33. Displayport Usb Type-C Mode Ber Compliance Test Setup For Dp Sink Dut At Tp3_Eq At

    Using the same setup for TP3_EQ at 10G in Figure 32, replace the 2M USB Type-C cable with the 0.8M USB Type-C cable to the DUT’s USB Type-C receptacle connector. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 43: Figure 34. Standard/Mini Displayport Mode Ber Compliance Test Setup For Dp Sink Dut At Tp3_Eq At 10G

    • For the UHBR 13.5 (13.5 Gb/s) and UHBR 20 (20 Gb/s) data rates, the setup uses a 0.8M USB Type-C cable. 34. S BER C DP S TP3_EQ IGURE TANDARD ISPLAY OMPLIANCE ETUP FOR GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 43 of 105...
  • Page 44 9. Connect the control board to a USB Type-C Host using a USB Type-C cable. 10. Run the AUX controller test scripts from the USB Type-C Host to control the DUT. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 45: Margin Testing

    In the Configurations page, set up the following margin test parameters. Refer to Section 3.4 for the description of each parameter. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 46: Figure 36. Margin Test Configuration

    Once configured, select and run the “Sink Margin Test” for the test point(s) and data rate(s) as required. 37. S IGURE ARGIN ELECTION GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 46 of 105...

  • Page 47: Figure 38. Report Results Page

    Test Results and Reports Using GRL-DP21-SINK-AN The Report page has all the results from all the test runs displayed. If some of the results are not desired, they can be individually deleted by using the Delete button. Also for a PDF report, select the Generate report button.

  • Page 48: Dut Information

    6.1.2 Results Summary Table This portion is populated from the calibration and tests performed with their respective results. This gives an overall view of all the results and test conditions. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 49: Figure 40. Results Summary Table Example

    40. R IGURE ESULTS UMMARY ABLE XAMPLE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 49 of 105...

  • Page 50: Calibration & Test Result Details

    This portion is populated with results from each of the calibration and test runs. Here the results are explained in depth with supporting data points and screenshots. If the Plot Calibration Data checkbox is selected, then the plots are also displayed. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 51: Esults

    42. D IGURE ELETE NDIVIDUAL ALIBRATION ESULTS XAMPLE To remove all results, select the Delete All button. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 51 of 105...

  • Page 52: Figure 43. Saving And Loading Calibration And Test Sessions

    Saving and Loading Test Sessions The GRL-DP21-SINK-AN software enables Calibration and Test Results to be created and maintained as a ‘Live Session’ in the application. This allows you to quit the application and return later to continue where you left off.

  • Page 53: Tp1

    (See the lower left in Figure 49.) m) Set initial CM frequency to 400MHz. See Figure 50. n) Turn the CM output to “Off” until the CM Calibration Step. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 54: Figure 44. Jitter Clock Source Setting

    44. J IGURE ITTER LOCK OURCE ETTING GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 54 of 105...

  • Page 55: Figure 45. Ppg Misc2 Settings

    45. PPG M IGURE ETTINGS GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 55 of 105...

  • Page 56: Figure 46. Pattern Setting

    46. P IGURE ATTERN ETTING GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 56 of 105...

  • Page 57: Figure 47. Ppg Emphasis Setting

    47. PPG E IGURE MPHASIS ETTING 48. SSC S IGURE ETUP 49. DATA+ A IGURE MPLITUDE ETTING GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 57 of 105...

  • Page 58: Figure 50. Cm Setting

    50. CM S IGURE ETTING GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 58 of 105...

  • Page 59: Set Up Oscilloscope

    Vertical Scale Set to full screen without clipping Sin x/x 51. O IGURE SCILLOSCOPE ERTICAL AND ORIZONTAL ETUP GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 59 of 105...

  • Page 60: Figure 52. Oscilloscope Clock Recovery Setup

    Second Order PLL PLL Specification OJTF Loop Bandwidth: 5.000MHz Damping factor: 0.94 52. O IGURE SCILLOSCOPE LOCK ECOVERY ETUP GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 60 of 105...
  • Page 61 Source for Jitter & Eye Diagram Channel 1-3 BER Level 1E-9 Pattern Periodic, Repeating Pattern (2 -1 = 32,767 bits) GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 61 of 105...

  • Page 62: Figure 53. Oscilloscope Jitter Setup

    53. O IGURE SCILLOSCOPE ITTER ETUP GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 62 of 105...

  • Page 63: Record Isi Measurements

    Measurement. Although these are not calibrated values, record ISI measurement as part of the measurement table. 54. ISI M IGURE EASUREMENT RESET ABLE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 63 of 105...

  • Page 64: Figure 55. 4Tap Emphasis Ch1 Interface

    2. In 4Tap Emphasis Ch1 Menu, create 15 Presets with coefficients which match the Table in the DisplayPort 2.1 Specification. See Figure 55 below. 55. 4T CH1 I IGURE MPHASIS NTERFACE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 64 of 105...

  • Page 65: Figure 56. Optimized Preset (Minimum Ddjpp) Measurement On Keysight Scope

    56. O IGURE PTIMIZED RESET INIMUM EASUREMENT EYSIGHT COPE 57. O IGURE PTIMIZED RESET INIMUM EASUREMENT EKTRONIX COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 65 of 105...

  • Page 66: Figure 58. Calibration To Phase Match On Keysight Scope

    58. C IGURE ALIBRATION TO HASE ATCH EYSIGHT COPE 59. C IGURE ALIBRATION TO HASE ATCH EKTRONIX COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 66 of 105...

  • Page 67: Figure 60. Calibrate Accm

    Measure Ch1 and Ch3 Signals on the scope to have an amplitude of a Mean Peak-to-Peak measurement of 100mVpp. = (V AC-CM TX-P TX-N d) Turn Off the CM output. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 67 of 105...

  • Page 68: Figure 61. Calibrate Accm Peak-To-Peak Amplitude

    ALIBRATE MPLITUDE 8. Turn on all remaining Jitter terms (RJ-Filtered (User); HPF (10MHz); SJ@100MHz); and set all jitter amplitudes to zero. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 68 of 105...

  • Page 69: Figure 62. Jitter Amplitudes

    10. Set the PRBS15 pattern on the MP1900A. 11. Calibrate RJ amplitude to 115mUI peak-to-peak or 9.58mUI RMS. 12. Return amplitude to zero. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 70: Figure 63. Calibrate Rj Amplitude #1

    13. Capture a screen shot. 63. C RJ A IGURE ALIBRATE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 70 of 105...

  • Page 71: Figure 64. Calibrate Rj Amplitude #2 On Keysight Scope

    #2 O IGURE ALIBRATE MPLITUDE EYSIGHT COPE 65. C RJ A #2 O IGURE ALIBRATE MPLITUDE EKTRONIX COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 71 of 105...

  • Page 72: Figure 66. Calibrate Sj Amplitude #1

    14. Calibrate SJ amplitude to 170mUI peak-to-peak at 100MHz, where “peak-to-peak” is 170mUI. 15. Capture screen shot. 66. C SJ A IGURE ALIBRATE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 72 of 105...

  • Page 73: Figure 67. Calibrate Sj Amplitude #2 On Keysight Scope

    #2 O IGURE ALIBRATE MPLITUDE EYSIGHT COPE 68. C SJ A #2 O IGURE ALIBRATE MPLITUDE EKTRONIX COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 73 of 105...

  • Page 74: Figure 69. Tj Measurement On Keysight Scope

    100MHz) and RJ Amplitude control (for SJ frequencies of less than 100MHz) as an adjustment on the BERT. 18. Capture screen shot. 69. TJ M IGURE EASUREMENT EYSIGHT COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 74 of 105...

  • Page 75: Figure 70. Tj Measurement On Tektronix Scope

    21. Calibrate Inner Eye Height to 700mV (top and bottom of the triangle eye mask are V:700mV, H:650mUI). 22. Capture screen shot. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 76: Figure 71. Eye Amplitude

    71. E IGURE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 76 of 105...

  • Page 77: Figure 72. Eye Mask On Keysight Scope

    72. E IGURE EYSIGHT COPE 73. E IGURE EKTRONIX COPE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 77 of 105...
  • Page 78 Index DC Gain Setting Index DC Gain Setting 1.000 0.562 0.891 0.501 0.794 0.446 0.708 0.398 0.630 0.354 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 78 of 105...

  • Page 79: Figure 74. Dc Gain Setting

    74. DC G IGURE ETTING c) Set up the DFE: i) Set Max Tap to 50mV. ii) Run Auto DFE. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 79 of 105...

  • Page 80: Figure 75. Dfe Setting

    11. By adjusting data amplitude, calibrate the Inner Eye Height to 92 ± 10mV diff p-p (top and bottom of the triangle eye mask) using the PRBS31 pattern. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 81: Figure 76. Eye Amplitude

    76. E IGURE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 81 of 105...
  • Page 82 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 82 of 105...

  • Page 83: Set Up Oscilloscope

    2 * 1 harmonic. This is done intentionally to be on the order of a Thunderbolt Receiver’s Bandwidth. This is essentially acting as an “Electrical Reference GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 84 Averaging Sin x/x 8.3.1.4 Jitter Setup Enter the Jitter menu and set up the Scope as listed in Table 20. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 84 of 105...

  • Page 85: Record Isi Measurements

    7. Change the pattern on the BERT to PRBS15. 8. Calibrate RJ Amplitude to 115mUI peak-to-peak (9.58mUI RMS). 9. Return amplitude to zero. 10. Capture screen shot. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 86 19. Save BERT Setup to “135G_TC1_100MHz”. 20. Repeat steps #1 to #18 for 1MHz, 2MHz, 10MHz and 50MHz PJ frequencies, saving each BERT Setup as 135G_TC1_1MHz, 135G_TC1_2MHz, 135G_TC1_10MHz and 135G_TC1_50MHz. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 87: Bit / S ) Receiver At Tp3_Eq

    0.398 0.630 0.354 c) Set up the DFE: i) Set Max Tap to 50mV. ii) Run Auto DFE. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 87 of 105...
  • Page 88 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 88 of 105...

  • Page 89: Figure 77. Dfe Setting

    Eye area is used for the following measurements. 15. Calibrate the Inner Eye Height to 112 ± 10mV diff p-p (top and bottom of the triangle eye mask) using the PRBS31 pattern. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 90: Figure 78. Eye Amplitude

    78. E IGURE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 90 of 105...

  • Page 91: Figure 79. Eye Amplitude Measurements

    79. E IGURE MPLITUDE EASUREMENTS GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 91 of 105...

  • Page 92: Set Up Oscilloscope

    21GHz (The Calibration Bandwidth is limited to the Bit Rate of the signal, which is 2 * 1 harmonic. This is done intentionally to be on the order of a Thunderbolt GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.
  • Page 93 Averaging Sin x/x 8.5.1.4 Jitter Setup Enter the Jitter menu and set up the Scope as listed in Table 20. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 93 of 105...

  • Page 94: Record Isi Measurements

    7. Change the pattern on the BERT to PRBS15. 8. Calibrate RJ Amplitude to 115mUI peak-to-peak (9.58mUI RMS). 9. Return amplitude to zero. 10. Capture screen shot. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...
  • Page 95 19. Save BERT Setup to “20G_TC1_100MHz”. 20. Repeat steps #1 to #18 for 1MHz, 2MHz, 10MHz and 50MHz PJ frequencies, saving each BERT Setup as 20G_TC1_1MHz, 20G_TC1_2MHz, 20G_TC1_10MHz and 20G_TC1_50MHz. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 96: S ) Receiver At Tp3_Eq

    Index DC Gain Setting Index DC Gain Setting 1.000 0.562 0.891 0.501 0.794 0.446 0.708 0.398 0.630 0.354 GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 96 of 105...

  • Page 97: Figure 80. Dc Gain Setting

    80. DC G IGURE ETTING c) Set up the DFE: i) Set Max Tap to 50mV. ii) Run Auto DFE. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 97 of 105...

  • Page 98: Figure 81. Dfe Setting

    Eye area is used for the following measurements. 20. Calibrate the Inner Eye Height to 96 ± 10mV diff p-p (top and bottom of the triangle eye mask) using the PRBS31 pattern. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 99: Figure 82. Eye Amplitude

    82. E IGURE MPLITUDE GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 99 of 105...

  • Page 100: Figure 83. Eye Amplitude Measurements

    83. E IGURE MPLITUDE EASUREMENTS GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022 Page 100 of 105...
  • Page 101 23. Save BERT Setup to “20G_TC2_100MHz”. 24. Repeat steps #1 to #11 for 1MHz, 2MHz, 10MHz and 50MHz PJ frequencies, saving each setup as 20G_TC2_1MHz, 20G_TC2_2MHz, 20G_TC2_10MHz and 20G_TC2_50MHz respectively. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 102: Figure 84. Keysight Connection Expert

    XPERT 5. Refresh the system. The Keysight Scope is shown on the left pane and the VISA address is shown on the right pane. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 103: Figure 85. Oscilloscope's Visa Address

    Scope IP address, for example “TCPIP0::192.168.0.100::inst0::INSTR”. Note to omit the Port number from the address. If there is error in connection, type in the Scope IP address as “TCPIP0:: 192.168.0.100::5025::SOCKET”. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

  • Page 104: Figure 86. Openchoice Instrument Manager In Start Menu

    “Instrument Identify”: Select to use a supported programming language to send a query to identify the selected instrument. d) “Properties”: Select to display and view the selected instrument properties. GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022.

  • Page 105: Figure 87. Openchoice Instrument Manager Menu

    Scope, type in the Scope IP address, for example “TCPIP0::192.168.0.110::inst0::INSTR”. Note to omit the Port number from the address. END_OF_DOCUMENT GRL-DP21-SINK-AN User Guide & MOI Rev. 2.5 © Granite River Labs 2022 Version 2.5, Dec 2022. Updated 12.09.2022...

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