Teledyne-lecroy QPHY-SAS3 Bedienungsanleitung Seite 1

QPHY-SAS3 Operator’s Manual Revision A – May, 2014 Relating to the Following Release Versions: • Software Version Rev. 7.4 • SAS3 Scrip

QualiPHY tests the oscilloscope connection after clicking the Start button. The system prompts you if there is a connection problem. QualiPHY’s Sco

QPHY-SAS3 Software Option 4. Click the Configuration button in the QualiPHY main menu: 5. Select a configuration from the pop-up menu: Figure 4 -

Customizing QualiPHY The predefined configurations in the Configuration screen cannot be modified. However, you can create your own test configuratio

QPHY-SAS3 Software Option Creating Custom Configurations Beginning with any of the pre-loaded configurations, 1. Click on the Test Selector tab to

Figure 6 - Variable Setup and Limits Manager windows 14 922545 Rev A

QPHY-SAS3 Software Option QPHY-SAS3 Operation After pressing Start in the QualiPHY menu, the software instructs how to set up the test using pop-up c

QPHY-SAS3 TEST CONFIGURATIONS Configurations include variable settings and limit sets as well, not just test selections. See the QPHY-SAS3 Variables

QPHY-SAS3 Software Option QPHY-SAS3 VARIABLES Use the Upper (A) or Lower (B) Input For oscilloscope with 2 inputs per channel, this variable allows t

Drive Letter for Matlab This variable is used for allows the user to specify the location of the waveforms to be used when running the EyeOpening scr

QPHY-SAS3 Software Option QPHY-SAS3 TEST DESCRIPTIONS Tx Group 1 Out of Band Tests 5.1.x (OOB) There are 4 tests run in this group. The tests that ar

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• F8 is a view of the Differential Signal after it has been filtered by the 4.5GHz low-pass Butterworth filter. This is calculated by subtracting the

QPHY-SAS3 Software Option Tx Group 2 Spread Spectrum Clocking Tests There are 3 tests run in this group. The tests that are run are: 1. 5.2.1 - Tx S

Figure 12 - SSC Test Results In the Measure section: • Max Freq and Min Freq (P1 and P2) are calculated by measuring the minimum and maximum of th

QPHY-SAS3 Software Option Tx Group 3 (Link Stability, Common Mode, … WDP) There are 7 tests run in this group. The tests that are run are: 1. Tx 5.

Figure 14 - Phy Link Rate Stability Test Results In the Measure section: • P1 and P2 are used to calculate the min and the max of F2. These are the

QPHY-SAS3 Software Option Figure 16 - Common Mode RMS Voltage Results In the Measure section: • CM Offset (P1) is the common mode offset. This is me

• M3 is the Common Mode Spectrum Mask as defined in the specification shown on a linear scale. If the Common Mode Spectrum trace exceeds the mask the

QPHY-SAS3 Software Option Figure 19 - Oscilloscope Configuration after the Vpp, VMA, and EQ tests Shown on this screen: • F2 is Eye Diagram created

• HighMode (P5) is the maximum peak from the right side of the F5. This represents the de-emphasized high voltage level of the signal. These are used

QPHY-SAS3 Software Option Figure 22 - Rise and Fall Times Results In the Measure section: • Rise 20-80 (P1) is the 20-80 rise time of the differenti

QPHY-SAS3 Software Option TABLE OF CONTENTS INTRODUCTION TO QUALIPHY SAS3 ...

Figure 23 - Oscilloscope Configuration after the Rj and Tj Tests Shown on this screen: • F1 is the differential input waveform. • RjBUjHist is th

QPHY-SAS3 Software Option Figure 24 - Rj and Tj Results In the SDA Jitter Section: • Tj(1e-12), Rj(spD), Dj(spD), Pj, DCD, and Bitrate are shown. T

At this point that user should run the SASWDP script and enter the returned value in this dialog. By entering this value, the result for the WDP tes

QPHY-SAS3 Software Option Tx Group 4 Tx Emphasis There are 3 tests run in this group. The tests that are run are: 1. Tx Emphasis Off (IDLE_REF0) 2

The following figure from the SAS-3 specification provides a definition for the Rpre, Rpost, VMA, and VHL. In each test each of these voltage levels

QPHY-SAS3 Software Option Tx Emphasis Off (IDLE_REF0) The purpose of this test is to gain a reference point in order to compute the equalization calc

Shown on this screen: • F4 is a plot of the peak voltage values which correspond to V1-V6, VH, and VL. These are the values which are used in the cal

QPHY-SAS3 Software Option After the completion of this test the oscilloscope is in the following configuration: Figure 32 - Oscilloscope Configur

In the measure section: • Rpre(ML) (P9) is the precursor equalization ratio (Rpre) value which was returned from the SAS3_EYEOPENING script. This is

QPHY-SAS3 Software Option After the completion of this test the oscilloscope is in the following configuration: Figure 35 - Oscilloscope Configu

TABLE OF FIGURES Figure 1 - Report menu in QualiPHY General Setup... 7 F

In the measure section: • Rpre(ML) (P9) is the precursor equalization ratio (Rpre) value which was returned from the SAS3_EYEOPENING script. This is

QPHY-SAS3 Software Option HOW TO RUN THE SASWDP SCRIPT The SASWDP script is required for running the Waveform Distortion Penalty (5.3.9) test. This

5. Enter the value for xWDP that is returned from the SASWDP screen in the dialog box described in the Tx 5.3.9 Waveform Distortion Penalty descript

QPHY-SAS3 Software Option HOW TO RUN THE SAS3_EYEOPENING SCRIPT The SAS3_EYEOPENING script is required to process the results for the Group 4 Tx Emph

APPENDIX A: CABLE DESKEWING There is an automatic cable deskew wizard built in to QPHY-SAS3. When the variable Test Mode is set to Yes then deskew w

QPHY-SAS3 Software Option Using Fast Edge The Fast Edge deskew technique will use the Fast Edge output on the oscilloscope to deskew C2 and C3. The

The second step is to disconnect C2 from the Fast Edge and connect C3. The connection to C3 should the cables and DC blocks which will be used durin

QPHY-SAS3 Software Option At this point the C2 and C3 can both be reconnected to the test fixture. Figure 44 – Fast Edge – Step 3 Prompt Before co

Using MFTP from DUT The MFTP deskew technique will use the DUT to provide an MFTP signal to C2 and C3 in order to deskew both channels. The first st

QPHY-SAS3 Software Option The second step is to swap Txp and Txn at the device side. Figure 48 – MFTP – Step 2 Prompt Before moving on to Step 3 th

QPHY-SAS3 Software Option INTRODUCTION TO QUALIPHY SAS3 QPHY-SAS3 is an automated software package designed to capture, analyze, and report measureme

APPENDIX B: FILE NAME CONVENTIONS FOR SAVED WAVEFORM DATA When live tests are made, the acquired waveforms are stored using these file names. If ther

USING QUALIPHY SAS3 QualiPHY SAS3 guides the user, step-by-step, through each of the tests in conformance with the T10 SAS-3 specification as describ

QPHY-SAS3 Software Option QUALIPHY COMPLIANCE TEST PLATFORM QualiPHY is Teledyne LeCroy’s compliance test framework which leads the user through th

See the QualiPHY Operator’s Manual for more information on how to use the QualiPHY framework. Figure 2 - The Test Report includes a summary table

QPHY-SAS3 Software Option Oscilloscope Option Key Installation The required option keys must be purchased to enable the QPHY-SAS3 compliance tests. I