Tektronix TekExpress BroadR-Reach Analysis Solution (1001000BASE-T1) User manual

TekExpress Automotive Ethernet Compliance Analysis Solution for DPO/MSO5000B, DPO7000C, DPO/MSO70000C series Oscilloscopes

Printable Application Help

*P077088108*

077-0881-08

TekExpress Automotive Ethernet Compliance Analysis Solution for DPO/MSO5000B, DPO7000C, DPO/MSO70000C series Oscilloscopes

Printable Application Help

www.tek.com

077-0881-08

Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specifications and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc. 14150 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA

For product information, sales, service, and technical support:

■

In North America, call 1-800-833-9200.

■

Worldwide, visit www.tek.com to find contacts in your area.

Welcome .............................................................................................................................................. v

Getting help and support

Conventions .................................................................................................................................... 1

Related documentation ................................................................................................................... 2

Technical support ........................................................................................................................... 3

Getting started

Minimum system requirements ...................................................................................................... 5

Instruments and accessories required ............................................................................................. 7

Install the software .......................................................................................................................... 8

Activate the license ......................................................................................................................... 8

View version and license information ............................................................................................ 9

Application directories and usage ................................................................................................... 9

File name extensions .................................................................................................................... 11

Operating basics

Start the application ...................................................................................................................... 13

Application basics ......................................................................................................................... 14

Global application controls ........................................................................................................... 15

Application controls ................................................................................................................ 15

Options menu .......................................................................................................................... 18

Instrument configuration using TekVISA ............................................................................... 19

TekExpress instrument control settings .................................................................................. 20

Configure email notification ................................................................................................... 22

Setup panel ................................................................................................................................... 24

Setup panel overview .............................................................................................................. 24

Set DUT tab parameters .......................................................................................................... 25

Selecting tests .......................................................................................................................... 26

Selecting acquisition tab parameters ....................................................................................... 27

Setting configuration tab parameters ....................................................................................... 38

Set preferences tab parameters ................................................................................................ 50

Status panel overview ................................................................................................................... 51

Results panel ................................................................................................................................. 53

Viewing test results: the Results panel .................................................................................... 53

TekExpress Automotive Ethernet i

Table of Contents

View test-related Files ............................................................................................................. 54

Plots panel ..................................................................................................................................... 55

Viewing plots .......................................................................................................................... 55

Reports panel ................................................................................................................................ 69

Reports panel overview ........................................................................................................... 69

Report contents ........................................................................................................................ 69

Select report options ................................................................................................................ 73

View a report ........................................................................................................................... 75

Running tests

Automate AWG/AFG signal generation ...................................................................................... 77

Before you click start .................................................................................................................... 79

Pre-run check list .......................................................................................................................... 81

Running the tests and viewing their progress: the Status panel ................................................... 82

Saving and recalling test setups

About saving and recalling test setups ......................................................................................... 85

Saving a test setup ........................................................................................................................ 86

Recalling a saved test setup .......................................................................................................... 86

Creating a new test setup based on an existing one ...................................................................... 87

Deleting a test setup ...................................................................................................................... 87

Automotive Ethernet measurements

Transmitter clock frequency ......................................................................................................... 89

Transmitter timing Jitter-MDI Jitter ............................................................................................. 92

Transmitter timing jitter - Master Jitter and Slave Jitter .............................................................. 94

Transmitter power spectral density ............................................................................................. 100

Transmitter output droop ............................................................................................................ 105

Transmitter peak differential output ........................................................................................... 108

Transmitter distortion ................................................................................................................. 112

Return loss measurement ............................................................................................................ 129

SCPI Commands

About SCPI command ................................................................................................................ 137

Socket configuration for SCPI commands ................................................................................. 137

TEKEXP:*IDN? ......................................................................................................................... 145

TEKEXP:*OPC? ........................................................................................................................ 145

ii TekExpress Automotive Ethernet

TEKEXP:ACQUIRE_MODE .................................................................................................... 146

TEKEXP:ACQUIRE_MODE? .................................................................................................. 146

TEKEXP:EXPORT .................................................................................................................... 147

TEKEXP:INFO? ......................................................................................................................... 147

TEKEXP:INSTRUMENT .......................................................................................................... 148

TEKEXP:INSTRUMENT? ........................................................................................................ 148

TEKEXP:LASTERROR? ........................................................................................................... 149

TEKEXP:LIST? .......................................................................................................................... 149

TEKEXP:MODE ........................................................................................................................ 150

TEKEXP:MODE? ...................................................................................................................... 150

TEKEXP:POPUP ....................................................................................................................... 151

TEKEXP:POPUP? ...................................................................................................................... 151

TEKEXP:REPORT .................................................................................................................... 152

TEKEXP:REPORT? ................................................................................................................... 152

TEKEXP:RESULT? ................................................................................................................... 153

TEKEXP:SELECT ..................................................................................................................... 154

TEKEXP:SELECT? ................................................................................................................... 154

TEKEXP:SETUP ........................................................................................................................ 155

TEKEXP:STATE ....................................................................................................................... 155

TEKEXP:STATE? ...................................................................................................................... 156

TEKEXP:VALUE ...................................................................................................................... 156

TEKEXP:VALUE? .................................................................................................................... 157

Command parameters ................................................................................................................. 158

Examples .................................................................................................................................... 161

Table of Contents

References

Measurement error messages ...................................................................................................... 163

Measurement algorithms ............................................................................................................ 166

Return loss ............................................................................................................................. 166

Transmitter clock frequency .................................................................................................. 167

Transmitter distortion ............................................................................................................ 168

Transmitter output droop ....................................................................................................... 168

Transmitter power spectral density ....................................................................................... 169

Transmitter timing jitter master and slave ............................................................................. 170

Transmitter timing jitter-MDI jitter ....................................................................................... 171

How to load the setup file into AFG31000 for Return Loss measurement (100 BASE-T1) ..... 171

Measurement results in CSV file ................................................................................................ 172

TekExpress Automotive Ethernet iii

Table of Contents

iv TekExpress Automotive Ethernet

Welcome

The TekExpress Automotive Ethernet (100/1000Base-T1) is a compliance test solution for performing Transmitter electrical specification tests and MDI electrical specification Return Loss test of the transmitter as per OPEN Alliance BroadR-Reach (OABR) specification version 3.2. and IEEE P802.3bw D3.3 for 100 Base-T1 and IEEE P802.3bpTM for 1000Base-T1. These specifications have a stated objective to provide electrical interoperability for 100/1000 Mbps client and the same electrical test requirements to the Physical Medium Attachment (PMA) transmitter electrical specifications.

The Automotive Ethernet (100/1000Base-T1) is an Ethernet-based point-to-point technology for automotive applications.

Key features

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Fully automated application with setup wizard, to perform compliance testing as per the Automotive Ethernet 1000Base-T1TM (802.3bp) and IEEE P802.3bwTM (100Base-T1) standards.

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Compliance testing to perform signal qualification

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Automated report generation with Pass/Fail results along with screenshot of the waveform(s).

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The 100/1000Base-T1 specification defines Return Loss measurement that requires a Vector Network Analyzer (VNA). TekExpress Automotive Ethernet application offers you a patented Return Loss measurement, which allows you to perform the measurement without using a VNA.

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Transmitter Timing Jitter-MDI Jitter measurement for 1000Base-T1

TekExpress Automotive Ethernet v

Welcome

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Transmit distortion measurement without need of external hardware clock divider unit, using software signal correction method.

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Run the measurement(s) for the user specified number of iterations.

vi TekExpress Automotive Ethernet

Getting help and support

Conventions

Help uses the following conventions:

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The term "Application" and "Software" refers to the TekExpress Automotive Ethernet Solution application.

■

The term “DUT” is an abbreviation for Device Under Test.

■

The term “select” is a generic term that applies to the different methods of choosing a screen item (button, control, list item): using a mouse or using the touch screen.

Table 1: Icon descriptions

Icon Meaning

This icon identifies important information.

This icon identifies conditions or practices that could result in loss of data.

This icon identifies additional information that will help you use the application more efficiently.

TekExpress Automotive Ethernet 1

Getting help and support

Technical support

Tektronix values your feedback on our products. To help us serve you better, please send us your suggestions, ideas, or comments on your application or oscilloscope. Contact Tektronix through mail, telephone, or the website.

When you contact Tektronix Technical Support, please include the following information (be as specific as possible):

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General information

All instrument model numbers

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Hardware options, if any

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Probes used

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Your name, company, mailing address, phone number, FAX number

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Please indicate if you would like to be contacted by Tektronix about your suggestion or comments.

Application specific

information

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Software version number

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Description of the problem such that technical support can duplicate the problem

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If possible, save the setup files for all the instruments used and the application

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If possible, save the TekExpress setup files, log.xml, *.TekX (session files and folders), and status messages text file

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If possible, save the waveform on which you are performing the measurement as a .wfm file

TekExpress Automotive Ethernet 3

Getting help and support

4 TekExpress Automotive Ethernet

Getting started

Minimum system requirements

The following table shows the minimum system requirements to install and run the TekExpress Automotive Ethernet application.

Component Description

Oscilloscope Supported Oscilloscopes

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DPO5104, DPO5204

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DPO5104B, DPO5204B, MSO5104B, MSO5204B

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DPO7104C, DPO7254C, DPO7354C

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DPO70404C, DPO70604C, DPO70804C, DPO71254C, DPO71604C, DPO72004C

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DPO/DSA 70KD series

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DPO72504DX, DPO73304DX, DPO72304DX, DPO72504DX, DPO73304DX

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DPO71304SX, DPO71604SX, DPO72304SX, DPO73304SX

Signal Generators AFG3022C, AFG3052C,

AFG3102, AFG3252/C, AFG31102, AFG31152, AFG31252

AWG5002B/C, AWG5012B/C, AWG5014, AWG50B, AWG5202, AWG5204, AWG7082/B/C, AWG7102 (Option 2), AWG7122B/C

AFG3152C, AFG3252C, AFG3252, AFG31152, AFG31252

AWG5202, AWG5204, AWG5208

Processor Same as the oscilloscope

Operating System Windows 10 and Windows 7

Memory Same as the oscilloscope

Hard Disk Same as the oscilloscope

100Base-T1

1000Base-T1

TekExpress Automotive Ethernet 5

Getting started

Component Description

Display Super VGA resolution or higher video adapter (800 x

600 minimum video resolution for small fonts or 1024 x 768 minimum video resolution for large fonts). The application is best viewed at 96 dpi display settings

NOTE. If TekExpress is running on an instrument that has a video resolution less than 800x600, connect and configure a second monitor to the instrument.

Firmware

Software

Other Devices

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TekScope 10.10.1 and above

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IronPython 2.7.3 installed

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PyVisa 1.0.0.25 installed

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Microsoft .NET 4.0 Framework

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Microsoft Internet Explorer 7.0 SP1 or greater, or other Web browser for viewing reports

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Adobe Reader software 7.0 or greater for viewing portable document format (PDF) files

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Microsoft compatible mouse or compatible pointing device.

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Two USB ports (four USB ports recommended).

NOTE.

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Use AWG automation for Return Loss and Transmitter Distortion with Disturbing Signal measurements.

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Return Loss measurement is supported only on AWG5202, AWG5204, and AWG5208 with High Power option (AWG5200-2HV/AWG5200-4HV: High Amplitude DC coupled outputs) for AWG5200 S/N B020000 and above.

■

For 1000Base-T1, use the Signal Generator, which can generate the

1.8 Volts Peak-to-peak.

See also

Instruments and accessories required

6 TekExpress Automotive Ethernet

Getting started

Instruments and accessories required

Table 3: Instruments and accessories required

Instrument/

Model / Accessories

Accessories

Probes 100Base-T1 TDP1500, P6248, P6247 and TDP3500

differential probes. TDP7700 (TDP7704/6/8) Series TriMode™ with P77STCABL and P77C292MM

adapter for

MSO6 series oscilloscopes.

1000Base-T1 TDP3500 ±15 V DC + pk AC input voltage

differential probe. TDP7700 (TDP7704/6/8) Series TriMode™ with P77STCABL and P77C292MM1 adapter for MSO6 series oscilloscopes.

Test fixtures: TF-XGbT Not applicable

Frequency divider 100Base-T1

The TF-BRR-CFD test fixture allows to phase lock frequency between DUT Transmitter Clock, oscilloscope, and AWG/AFG sources. Converts DUT Transmitter Clock from 66.666 MHz to 10 MHz.

1000Base-T1

The TF-BRR-CFD fixtures allows to phase lock frequency between DUT Transmitter Clock, oscilloscope, and AWG/AFG sources. Converts DUT Transmitter Clock from 125 MHz to 10 MHz.

Cables 100Base-T1

Six same length BNC cables/SMA cables with BNC to SMA connectors: one TCA-BNC or TCA-SMA

1000Base-T1

Six same length BNC cables/SMA cables with BNC to SMA connectors: one TCA-BNC or TCA-SMA

Instrument/Accessories Model / Accessories

Other devices Adaptor TCA-VPI50 and TDP3500 for DPO/

DSA/MSO 70K Series Oscilloscopes

P77C292MM supports all tests except Transmitter Distortion and Return Loss.

If TekExpress is installed on a Tektronix oscilloscope, the virtual GPIB port will be used by TekExpress for communicating with oscilloscope applications. If external GPIB communication devices such as USB-GPIB-HS or equivalent are used for instrument connectivity, ensure that the Talker Listener utility is enabled in the DPO/DSA Oscilloscope's GPIB menu. For ease of use, connect to an external (secondary) monitor.

TekExpress Automotive Ethernet 7

Getting started

See also

Install the software

Minimum system requirements

Complete the following steps to download and install the latest TekExpress Automotive Ethernet application. See Minimum system requirements for compatibility.

1. Close all applications (including the TekScope application).

2. Go to the www.tek.com.

3. Click Downloads. In the Download menu, select DOWNLOAD TYPE as

Software and enter TekExpress Automotive Ethernet in the MODEL OR KEYWORD field and click SEARCH

4. Select the latest version of software and follow the instructions to download. Copy the executable file to the oscilloscope

5. Double-click the executable and follow the on-screen instructions. The software is installed at C:\Program Files\Tektronix\TekExpress\TekExpress Automotive-Ethernet\

6. Select Application>TekExpress Automotive Ethernet from the TekScope menu to launch the application.

Activate the license

See also

Minimum System Requirements

Activate the license using the Option Installation wizard in the TekScope application:

1. In the TekScope application menu bar, click Utilities > Option Installation.

The TekScope Option Installation wizard opens.

2. Push the F1 key on the oscilloscope keyboard to open the Option Installation help topic.

3. Follow the directions in the help topic to activate the license.

See also

View Version and License Information

8 TekExpress Automotive Ethernet

Getting started

View version and license information

Use the following instructions to view application version information and license information for the application modules such as the Programmatic Interface and the Programmatic Interface Client.

To view version information, click in the TekExpress application and select About TekExpress.

See also

Activate the license

Options menu

Application directories and usage

The TekExpress Automotive Ethernet application files are installed at the following location:

C:\Program Files\Tektronix\TekExpress\TekExpress Automotive-Ethernet\.

TekExpress Automotive Ethernet 9

Getting started

The following table lists the default directory names and their usage.

Table 4: Application directories and usage

Directory names Application specific information

AWG Waveforms It contains AWG waveforms (AWG 5K, 7K and

AFG waveforms) that get used in return loss and distortion with disturbing signal .

Bin It contains miscellaneous TekExpress

Automotive-Ethernet libraries.

Compliance Suites It contains compliance-specific files and filter

files.

Examples It contains various support files.

Filters Filters that are applicable for 100 and

1000Base-T1 Jitter and Power Spectral Density measurements.

ICP It contains instrument and TekExpress

Automotive-Ethernet-specific interface libraries.

Images It contains images required for the application.

Lib It contains utility files specific to the TekExpress

Automotive-Ethernet.

Report Generator It contains style sheets for report generation.

Tools It contains instrument and TekExpress

Automotive-Ethernet-specific files.

See also

View test-related files

10 TekExpress Automotive Ethernet

Getting started

File name extensions

The TekExpress Automotive Ethernet software uses the following file name extensions:

Table 5: File name extensions

File name extension Description

.TekX Session files are saved in this format but the

extensions may not be displayed

.py The test sequence file

.xml The encrypted XML file that contains the test-

specific configuration information The log file extension is also xml

.wfm The test waveform file

.mht .pdf .csv

.cal Calibration file used with transmitter tests

Test result reports are saved in MHTML format by default. Test reports can also be saved in CSV and PDF format. Test result reports are saved in MHTML format by default. Test reports can also be saved in MHTML format and .pdf.

See also

Application directories and usage

TekExpress Automotive Ethernet 11

Getting started

12 TekExpress Automotive Ethernet

Operating basics

Start the application

To launch the TekExpress Automotive Ethernet application, select Analyze > TekExpress Automotive Ethernet from the TekScope menu.

The oscilloscope opens the TekExpress Automotive Ethernet application:

When you run the application for the first time after installation, the application checks for Resources.xml located in the C:\Users\<username>\Documents\My TekExpress\TekExpress Automotive-Ethernet\ folder. The Resources.xml file gets mapped to the X: drive when the application launches. Session files are then stored inside the X:\TekExpress Automotive-Ethernet\ folder. The Resources.xml file contains information about available network-connected instruments. If the application does not find the file, it runs an instrument discovery program to detect connected instruments before launching TekExpress Automotive Ethernet.

To keep the TekExpress Automotive Ethernet application window on top, select Keep On Top from the Options menu. If the application goes behind the oscilloscope application, click Analyze > TekExpress Automotive Ethernet to bring the application to the front.

TekExpress Automotive Ethernet 13

Operating basics

See also

Application basics

Application controls

TekExpress Automotive Ethernet uses panels to group related configuration, test, and results settings. You can open any panel by clicking on it. A panel may have one or more tabs that lists all the options applicable. Options in a panel can change depending on the settings made in that panel or another panel.

14 TekExpress Automotive Ethernet

Operating basics

Table 6: Application panels overview

Panel Name Purpose

Setup The Setup panel shows the test setup controls. Click the Setup button to

open this panel. Use this panel to:

■

Set DUT tab parameters.

■

Selecting tests.

■

Selecting acquisition tab parameters for selected tests.

■

Set preferences tab.

Status View the progress and analysis status of the selected tests, and view test

logs.

Results View a summary of test results and select result viewing preferences.

Reports Browse for reports, save reports as specific file types, specify report

naming conventions, select report content to include (such as summary information, detailed information, user comments, setup configuration, application configuration) and select report viewing options.

Plots View a summary of plot generated during run.

See also

Application controls

Global application controls

Application controls

TekExpress Automotive Ethernet 15

Operating basics

Table 7: Application controls descriptions

Item Description

Options menu

Test Panel buttons

Menu to display global application controls.

Controls that open panels for configuring test settings and options.

Start / Stop button

Pause / Continue button

Use the Start button to start the test run of the measurements in the selected order. If prior acquired measurements have not been cleared, the new measurements are added to the existing set. The button toggles to the Stop mode while tests are running. Use the Stop button to abort the test.

Use the Pause button to temporarily interrupt the current acquisition. When a test is paused, the button name changes to “Continue.”

16 TekExpress Automotive Ethernet

Operating basics

Item Description

Clear button

Application window move icon

Minimize button

Use the Clear button to clear all existing measurement results. Adding or deleting a measurement, or changing a configuration parameter of an existing measurement, also clears measurements. This is to prevent the accumulation of measurement statistics or sets of statistics that are not coherent. This button is available only on the Results panel.

Place the cursor over the three-dot pattern in the upper left corner of the application window. When the cursor changes to a hand, drag the window to the desired location.

Minimizes the application.

Close button

Mini view / Normal view

Closes the application.

Toggles the application between mini view and normal view. Mini view displays the run messages with the time stamp, progress bar, Start / Stop button, and Pause / Continue button. The application automatically moves to the mini view when you click the Start button.

See also

Options menu

TekExpress Automotive Ethernet 17

Operating basics

Options menu

Options menu. The Options menu is located in the upper right corner of the

application.

It has the following selections:

Table 8: Options menu

Menu Function

Default Test Setup Opens an untitled test setup with defaults selected.

Open Test Setup Opens a saved test setup.

Save Test Setup Saves the current test setup selections.

Save Test Setup As Creates a new test setup based on an existing one.

Open Recent It displays a menu of recently opened test setups to select from.

Instrument Control Settings It shows the list of instruments connected to the test setup and

allows you to locate and refresh connections to connected instruments.

Keep On Top It keeps the TekExpress Automotive Ethernet application on top

of other open windows on the desktop.

Email settings It configures email options for test run and results notifications.

Help It displays TekExpress Help.

About TekExpress

■

It displays application details such as software name, version number, and copyright.

■

It provides access to license information for your TekExpress Automotive Ethernet application installation.

■

It provides a link to the Tektronix Website.

18 TekExpress Automotive Ethernet

Operating basics

Instrument configuration

using TekVISA

To configure the instrument using TekVISA, use the following steps.

1. Select oscilloscope window menu and click OpenChoice Instrument Manager.

2. Click the Update button and wait to update the list. The AWG which is

connected to LAN displays the Instruments connected list. If the list is not displayed follow the steps.

■

Click Search Criteria and select LAN.

■

Turn it ON, if the LAN is Off.

■

Enter the AWG IP address in Hostname field and Press

■

Click Search button and wait for your AWG instrument to discover and

button.

display the list.

■

Click Done.

TekExpress Automotive Ethernet 19

Operating basics

■

Click Update. It refreshes the instruments discovered and displays the list.

TekExpress instrument

control settings

Use the Instrument Control Settings dialog box to view or search for connected instruments required for the tests. The application uses TekVISA to discover the connected instruments.

Figure 1: Instrument Control Settings

20 TekExpress Automotive Ethernet

Operating basics

To refresh the list of connected instruments:

1. From the Options menu, select Instrument Control Setting.

2. In the Search Criteria section of the Instrument Control Settings dialog box,

select the connection types of the instruments to search.

Instrument search is based on the VISA layer but different connected cables determine the resource type, such as LAN, GPIB, USB. For example, if you choose LAN, you can search for all the instruments supported by TekExpress that are communicating over the LAN. If the search does not find any instruments that match a selected resource type, a message appears telling you that no such instruments were found. Click OK to close the message window.

NOTE. Ensure that the GPIB option is enabled to detect the real time oscilloscope in the Global Settings tab.

3. Click Refresh.

TekExpress searches for connected instruments.

4. After discovery, the dialog box lists the instrument-related details based on the search criteria you selected. For example, if you have selected LAN and GPIB as the search criteria, the application checks for the availability of instruments over LAN, then GPIB.

The details of the instruments are displayed in the Retrieved Instruments table. The time and date of instrument refresh is displayed in the Last Updated field.

TekExpress Automotive Ethernet 21

Operating basics

Configure email

notification

Set up these email settings if you want the application to notify you by email when a test completes or produces an error. Configure email from the Options menu.

1. From the Options menu in the upper right corner, select Email Settings to open the Email Settings dialog box, or click the Preferences tab on the Setup panel.

Figure 2: Email Settings dialog box

2. (Required) For Recipient email Address(es), enter your email address. You can include multiple addresses as long as you separate the addresses with commas.

3. (Required) For Sender's Address, enter the email address used by the instrument. This address consists of the instrument name, followed by an underscore, followed by the instrument serial number, the @ symbol, and the email server used. For example: DPO72004C_B130099@yourcompany.com.

4. (Required) In the Server Configuration section, type the SMTP Server address of the Mail server configured at the client location, and the SMTP Port number, in the corresponding fields.

If this server requires password authentication, enter a valid login name, password, and host name in the corresponding fields.

NOTE. If any of the above required fields are left blank, the settings will not be saved and email notifications will not be sent.

5. In the Email Attachments section, select from the following options:

■

Reports: Select to receive the test report with the notification email.

22 TekExpress Automotive Ethernet

Operating basics

■

Status Log: Select to receive the test status log with the notification email. If you select this option, then also select whether you want to receive the full log or just the last 20 lines.

NOTE. The ScoreCard and Analysis Screenshot options are not available in Automotive Ethernet.

6. In the Email Configuration section, select as desired:

■

Enter a maximum file size for the email message. Messages with attachments larger than this limit will not be sent. The default is 5 MB.

■

To limit the number of attempts the system makes to send a notification, enter the number in the Number of Attempts to send field. The default is

1. You can also specify a timeout.

7. Select the Email Test Results when complete or on error check box. Use this check box to quickly enable or disable email notifications.

8. To test your email settings, click Test Email.

9. To apply your settings, click Apply button.

10. Click Close button to exit the Email Settings dialog box.

Setup panel

Setup panel overview

The Setup panel contains sequentially ordered tabs that help you guide through the test setup and execution process.

Figure 3: Setup panel

Set DUT tab parameters

Use the DUT tab to select parameters for the device under test. These settings are global and apply to all tests for the current session. DUT settings also affect the list of available tests in the Test Selection tab.

Figure 4: Setup panel

Click Setup > DUT to access the DUT parameters:

Table 9: DUT tab settings

Setting Description

DUT ID Adds an optional text label for the DUT to reports. The default value is

DUT001. The maximum number of characters is 32. You cannot use the following characters in an ID name: (.,..,...,\,/:?”<>|*)

Opens a Comments dialog box in which you can enter optional text to

Comments icon (to the right of the DUT ID field)

Acquire live waveforms Perform analysis on live waveforms.

Use pre-recorded waveform files

add to a report. Maximum size is 256 characters. To enable or disable comments appearing on the test report. See Select report options for details.

Perform analysis on pre-recorded waveforms.

TekExpress Automotive Ethernet 25

Operating basics

Setting Description

Suite

■

1000Base-T1

■

100Base-T1

Selecting tests

Return Loss measurement preferences

■

Oscilloscope: Fully automated oscilloscope based method

■

VNA Report: Select to run the return loss measurement with a VNA report file (S-Parameter). For steps to run the return loss measurement by VNA Report file method, click here.

Only available, when Return Loss measurement is selected in the Test Selection tab.

NOTE. When using prerecorded waveform files, the Acquire Step By Step option is not available.

Table 14: Reference waveforms

Test name Reference waveform

Transmit Timing Jitter – Master Jitter

100Base-T1

1000Base-T1

32 TekExpress Automotive Ethernet

Operating basics

Test name Reference waveform

Transmit Timing Jitter – Slave Jitter

100Base-T1

1000Base-T1

Transmit Timing Jitter – MDI Jitter

1000Base-T1

TekExpress Automotive Ethernet 33

Operating basics

Test name Reference waveform

Transmitter Output Droop

100Base-T1

1000Base-T1

34 TekExpress Automotive Ethernet

Operating basics

Test name Reference waveform

Transmit Clock Frequency

100Base-T1

1000Base-T1

TekExpress Automotive Ethernet 35

Operating basics

Test name Reference waveform

Transmitter Distortion

100Base-T1

1000Base-T1

Transmitter Power Spectral Density

100Base-T1

1000Base-T1

36 TekExpress Automotive Ethernet

Operating basics

Test name Reference waveform

Transmitter Peak Differential Output

100Base-T1

1000Base-T1

Return Loss 100Base-T1

1000Base-T1

TekExpress Automotive Ethernet 37

Operating basics

Setting configuration tab

parameters

Use the Configuration tab to view the instruments detected, set measurement parameters and perform calibration for the measurements.

Figure 8: Configure tab settings for 1000Base-T1

Figure 9: Configure tab settings for 100Base-T1

38 TekExpress Automotive Ethernet

Operating basics

Table 15: Configuration tab settings

Setting Description

Compliance Mode Select to use Compliance Mode values. You cannot change any test

parameters in Compliance Mode, but you can view the compliance parameters. By default Compliance Mode is selected.

User Defined Mode Select to run tests using custom parameters.

Limits Editor Shows the upper and lower limits for the applicable measurement using

different types of comparisons. In Compliance Mode, use the Limits Editor to view the measurement high and low limits used for selected tests. In User Defined Mode, use the Limits Editor to edit the limit settings.

To edit a value, click that field and either select from the displayed list or enter a new value. Use the bottom scroll bar to view all available fields.

Global Settings

Instruments Detected Displays the instruments connected to this application. Click on the

instrument name to open a list of available (detected) instruments. Select Options > Instrument Control Settings and click Refresh to update the instrument list.

NOTE. Verify that the GPIB/LAN search criteria (default setting) in the Instrument Control Settings is selected when using TekExpress Automotive Ethernet application.

VNA Result File Click Browse. Navigate to the folder path and select a return loss result

file (s1p/s2p) generated using a Vector Network Analyser. Only available, when Return Loss measurement is selected in the Test Selection tab.

Apply Band-pass Filter for Jitter Measurements

Select to apply the Band pass filter for the selected jitter measurements. Only available, either when one among Transmitter Timing Jitter - MDI

Jitter, Transmitter Timing Jitter - Master Jitter or Transmitter Timing Jitter - Slave Jitter measurements or all these measurements are

selected in the Test Selection tab.

NOTE. Band pass filter is applicable only for 1000Base-T1 Jitter Measurements and it is disabled for 100Base-T1.

The Configuration screen shows Global parameters, which are common for all tests, and Measurement parameters, which are specific to selected tests, including acquisition, analysis, and limit parameters.

TekExpress Automotive Ethernet 39

Operating basics

NOTE. You cannot change the Test parameters that are greyed out.

Status panel overview

The Status button accesses the Test Status and Log View tabs, which provide status on test acquisition and analysis (Test Status tab) and a listing of test tasks performed (Log View tab). The application opens the Test Status tab when you start a test run. You can select the Test Status or the Log View tab to view these items while tests are running.

Test status view

TekExpress Automotive Ethernet 51

Operating basics

Log view

Table 20: Status panel Log View controls

Control Description

Message History Lists all executed test operations and timestamp

information.

Auto Scroll Enables automatic scrolling of the log view as

information is added to the log during the test.

Clear Log Clears all messages from the log view.

Save Saves the log file to a text file. Use the standard

Save File window, to navigate and specify the folder and file name and then save the log file.

52 TekExpress Automotive Ethernet

Operating basics

Results panel

Viewing test results: the

Results panel

When a test completes running, the application switches to the Results Panel.

Set result viewing preferences from the Preferences menu in the upper right corner.

Each test result occupies a row in the Results table. By default, results are displayed in summary format, with the measurement details collapsed, and with the Pass/Fail column visible. You can change the display view.

■

To expand all test rows listed, from the Preferences menu in the upper right corner, select View Results Details.

■

To expand a collapsed test row, click the plus button (

) to the left of the

test row.

■

To collapse all expanded test rows, select Preferences > View Results Summary.

■

To collapse a single expanded test row, click the minus button (

) to the left

of the test row.

■

To remove or restore the Pass/Fail column, select Preferences > Show Pass/ Fail.

■

To enable or disable the wordwrap feature, select Preferences > Enable Wordwrap.

■

To expand the width of a column, place the cursor over the vertical line that separates the column from the one to the right. When the cursor changes to a double-ended arrow, hold down the mouse button and drag the column to the desired width.

■

To sort the test information by column, click the column head. When sorted in ascending order, a small up arrow is displayed. When sorted in descending order, a small down arrow is displayed.

■

To clear all test results displayed, click Clear

button.

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Operating basics

Results preferences

View test-related Files

Figure 14: Results preferences

Plots panel

Operating basics

The first time you run a new, unsaved session, the session files are stored in the X:\Automotive Ethernet\Untitled Session folder. Once you name and save the session, the Untitled Session folder name is changed to the one you specified.

NOTE. By default, test report files are saved in the session folder. You can change the report file location for a specific test.

Viewing plots

The Plots panel displays a summary of plot generated during run. The plots have zoom, cursors, save, dock/undock, and select test features.

Types of plots

Following are different plots generated during run, based on the measurement(s) selected.

Transmit Clock Frequency

Figure 15: Transmit Clock Frequency - 1000Base-T1 Histogram Plot

TekExpress Automotive Ethernet 55

Operating basics

Figure 16: Transmit Clock Frequency - 1000Base-T1

Figure 17: Transmit Clock Frequency - 100Base-T1

56 TekExpress Automotive Ethernet

Operating basics

Transmitter Timing Jitter (Master and Slave)

Figure 18: Master Jitter - 1000Base-T1 Histogram plot

Figure 19: Master Jitter - 1000Base-T1

TekExpress Automotive Ethernet 57

Operating basics

Figure 20: Master Jitter - 100Base-T1

Figure 21: Slave Jitter - 1000Base-T1 Slave Histogram plot

58 TekExpress Automotive Ethernet

Operating basics

Figure 22: Slave Jitter - 1000Base-T1

Figure 23: Slave Jitter - 100Base-T1

TekExpress Automotive Ethernet 59

Operating basics

Transmitter Output Droop

Figure 24: Transmitter Output Droop - 1000Base-T1: Positive

Figure 25: Transmitter Output Droop - 1000Base-T1: Negative

60 TekExpress Automotive Ethernet

Operating basics

Figure 26: Transmitter Output Droop - 100Base-T1: Positive

Figure 27: Transmitter Output Droop - 100Base-T1: Negative

TekExpress Automotive Ethernet 61

Operating basics

Transmitter Power Spectral Density

Figure 28: Transmitter Power Spectral Density and Power Level - 1000Base-T1

Figure 29: Transmitter Power Spectral Density - 100Base-T1

62 TekExpress Automotive Ethernet

Operating basics

Transmitter Distortion

Figure 30: Error Value - 1000Base-T1

Figure 31: Error Value - 100Base-T1

TekExpress Automotive Ethernet 63

Operating basics

Figure 32: Peak Distortion - 1000Base-T1

Figure 33: Peak Distortion - 100Base-T1

64 TekExpress Automotive Ethernet

Operating basics

Return Loss

Figure 34: Return Loss - 1000Base-T1

Figure 35: Return Loss - 100Base-T1

TekExpress Automotive Ethernet 65

Operating basics

Figure 36: 100Base-T1 Return Loss Load Calibration

Figure 37: 100Base-T1 Return Loss Short Calibration

66 TekExpress Automotive Ethernet

Operating basics

Figure 38: 100Base-T1 Return Loss Open Calibration

Figure 39: 1000Base-T1 Return Loss Load Calibration

TekExpress Automotive Ethernet 67

Operating basics

Figure 40: 1000Base-T1 Return Loss Short Calibration

Figure 41: 1000Base-T1 Return Loss Open Calibration

Reports panel

Reports panel overview

Use the Reports panel to browse for reports, name and save reports, select test content to include in reports, and select report viewing options.

Report contents

Figure 42: Reports panel

For information on setting up reports, see Select report options. For information on viewing reports, see View a report.

A report shows detailed results and plots, as set in the Reports panel.

TekExpress Automotive Ethernet 69

Operating basics

Figure 43: Example report for single run

70 TekExpress Automotive Ethernet

Operating basics

TekExpress Automotive Ethernet 71

Operating basics

Figure 44: Example report for multi-run

Setup configuration information

The summary box at the beginning of the report lists setup configuration information. This information includes the oscilloscope model and serial number, optical module model and serial number, and software version numbers of all associated applications.

To exclude this information from a report, clear the Include Setup Configuration check box in the Reports panel before running the test.

User comments

If you selected to include comments in the test report, any comments you added in the DUT tab are shown at the top of the report.

72 TekExpress Automotive Ethernet

Operating basics

Select report options

Click the Reports button and use the Reports panel controls to select which test result information to include in the report, and the naming conventions to use for the report. For example, always give the report a unique name or select to have the same name increment each time you run a particular test.

Select report options before running a test or when creating and saving test setups. Report settings are included in saved test setups.

In the Reports panel, select from the following report options:

Table 21: Report options

Setting Description

Report Update Mode

Generate new report Creates a new report. The report can be in

either .mht or .pdf or .csv file formats.

Append with previous run session Appends the latest test results to the end of the

current test results report.

Replace current test in previous run session Replaces the previous test results with the latest

test results. Results from newly added tests are appended to the end of the report.

Report Creation Settings

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Operating basics

Setting Description

Report name Displays the name and location from which to

open a Ethernet Tx report. The default location is at \My TekExpress\Automotive Ethernet \Untitled Session. The report file in this folder gets overwritten each time you run a test unless you specify a unique name or select to auto increment the report name. Change the report name or location.

Do one of the following:

■

In the Report Path field, type over the current folder path and name.

■

Double-click in the Report Path field and then make selections from the popup keyboard and click the Enter button.

Be sure to include the entire folder path, the file name, and the file extension. For example: C: \Documents and Settings\your user name\My Documents\My TekExpress\Automotive Ethernet \DUT001.mht.

NOTE. You cannot set the file location using the Browse button.

Open an existing report.

Click Browse, locate and select the report file and then click View at the bottom of the panel.

Save as type Saves a report in the specified file type, selected

from the drop-down list.

NOTE. If you select a file type different from the default, be sure to change the report file name extension in the Report Name field to match.

Auto increment report name if duplicate Sets the application to automatically increment

the name of the report file if the application finds a file with the same name as the one being generated. For example: DUT001, DUT002, DUT003. This option is enabled by default.

Create report automatically at the end of the run Creates report at the end of the run.

Contents To Save

Include pass/fail info in details table Includes pass/fail info in the details table of the

report.

Include detailed results Includes detailed results in the report.

Include plot images Includes plot images in the report.

74 TekExpress Automotive Ethernet

Setting Description

Include setup configuration Sets the application to include hardware and

software information in the summary box at the top of the report. Information includes: the oscilloscope model and serial number, the oscilloscope firmware version, and software versions for applications used in the measurements.

Include complete application configuration Includes complete application configuration in

the report.

Include user comments Select to include any comments about the test

that you or another user added in the DUT tab of the Setup panel. Comments appear in the Comments section, under the summary box at the beginning of each report.

Group Report By

Test Name Select to group the tests in the report by test

name.

Test Result Select to group the tests in the report by test

results

View report after generating Automatically opens the report in a Web browser

when the test completes. This option is selected by default.

View Click to view the most current report.

Generate Report Generates a new report based on the current

analysis results.

Save As Specify a name for the report.

Operating basics

View a report

The application automatically generates a report when test analysis is completed and displays the report in your default Web browser (unless you cleared the View Report After Generating check box in the Reports panel before running the test). If you cleared this check box, or to view a different test report, do the following:

1. Click the Reports button.

2. Click the Browse button and locate and select the report file to view.

3. In the Reports panel, click View.

For information on changing the file type, file name, and other report options, see

Select report options.

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Operating basics

76 TekExpress Automotive Ethernet

Running tests

Automate AWG/AFG signal generation

The TekExpress Automotive Ethernet application allows you to automatically load the pattern files in AWG/AFG and generate the signals. Ensure that the GPIB/LAN/USB connection between the oscilloscope and AWG/AFG is established, before you automate the signal generation. The AWG/AFG automation is supported for the following measurements:

■

Transmitter Distortion with disturbing signal: AWG/AFG is used to transmit

a disturbing signal. CH1 and CH1_inverted are used.

■

Return Loss measurement and calibration: AWG/AFG is used to transmit a

wide band signal. CH1 and CH1_inverted are used for transmission of the signal. A marker signal has to be connected to the auxiliary channel of the oscilloscope (used as trigger source).

How to automate AWG/AFG signal generation

Complete the following steps in the TekExpress application to automate the signal generation from AWG/AFG:

1. Click in the upper right corner of the application and select Instrument Control Settings.

2. Select Search Criteria as USB and click Refresh; when the Retrieved

Instruments table is uploaded with the connected instruments list, click Close.

Figure 45: Instrument Control Settings

TekExpress Automotive Ethernet 77

Running tests

3. Once the AWG/AFG is listed as shown above, go to the Global Settings tab from the Configuration menu of the Tests. If the AWG/AFG is supported, it will be listed as a drop-down menu option next to the Automate with AWG/ AFG label. By default, the application will consider the connected AWG to be used for automation.

Figure 46: Test Selection tab

NOTE. If Automate with AWG/AFG is set as Do not use, you must manually copy the AWG/AFG waveforms from the oscilloscope to the AWG/AFG. Waveforms are located at C:\Program Files\Tektronix\TekExpress\TekExpress AutomotiveEthernet\AWG Waveforms\.

78 TekExpress Automotive Ethernet

Running tests

Before you click start

Before running a test for the first time

Before you run a test for the first time, review these steps:

1. Understand where your test files are stored on the instrument.

After you install and launch TekExpress Automotive Ethernet, it creates the following folders on the Oscilloscope:

■

\Program Files\Tektronix\TekExpress\TekExpress Automotive-Ethernet

■

\My Documents\My TekExpress\Automotive Ethernet

■

\My Documents\My TekExpress\Automotive Ethernet\Untitled Session

Every time you launch TekExpress Automotive Ethernet.exe, an Untitled Session folder is created in the Automotive Ethernet folder. The Untitled Session folder is automatically deleted when you exit the Automotive Ethernet application.

CAUTION. Do not modify any of the session files or folders because this may result in loss of data or corrupted session files. Each session has multiple files associated with it. When you save a session, a .TekX file, and a folder named for the session that contains the associated files, is created on the oscilloscope X: drive.

Ensure that the My TekExpress folder has read and write access, and that the contents are not set to be encrypted:

a. Right-click the folder and select Properties.

b. Select the General tab, and then click Advanced.

c. In the Advanced Attributes dialog box, ensure that the option Encrypt

contents to secure data is NOT selected.

TekExpress Automotive Ethernet 79

Running tests

Example:

Figure 47: Advanced Attributes dialog box

Before running any test

1. Review the Pre-run check list.

2. Configure the Email notification options if you want the application to notify

you by email when a test completes or produces an error. Access the email options either from the Options menu in the upper right corner, or from the Preferences tab on the Setup panel.

3. Select the Report options.

Pre-run check list

Do the following before you click Start to run a test. If this is the first time you are running a test on a setup, then refer also to the guidelines above.

1. Ensure that all the required instruments are properly warmed up (about 20 minutes).

2. Perform the Signal Path Compensation (SPC).

a. On the oscilloscope main menu, select the Utilities menu.

b. Select Instrument Calibration.

3. Deskew any cables.

4. Ensure that the application is able to find the DUT. If it cannot, perform a

search for connected instruments.

To find the DUT:

a. Launch the TekExpress Automotive Ethernet application.

b. Select the Setup panel and then click the DUT tab.

See also

c. Click the Test Selection tab. Select any test, and then click Configure

button.

d. In the Configuration section, click Global Settings.

e. In the Instruments Detected section, click in the shaded area opposite Real

Time Scope and ensure that the oscilloscope with the (GPIB8::1::INSTR) designation is in the drop-down list.

Before you click start

Configure email notification

Running the tests and viewing their progress

TekExpress Automotive Ethernet 81

Running tests

Running the tests and viewing their progress: the Status panel

Once you have configured the tests and gone through the Pre-run check list, from any screen, click the green Start button. The application acquires and analyzes the data, then displays a report when the tests are completed.

While the tests are running, other applications may display windows in the background. The TekScope application takes precedence over other applications, but you can switch to other applications using the Alt+Tab key combination. To keep the TekExpress Automotive Ethernet application on top, select the Keep On Top from the Options menu in the upper right corner.

Viewing the progress of

analysis

The Status panel displays a record of the test as it is executed. By default, the application switches to this panel after you click the Start button to run a test. You can choose from the following two views by selecting the named tab, even while a test is in progress:

Test Status tab

Figure 48: Test status tab

The Test Status tab presents a collapsible table with information about each test as it is running. To collapse and expand the table rows, click the expand ( )/( )

collapse button.

82 TekExpress Automotive Ethernet

Running tests

Table 22: Test Status table headers

Column Description

Test Name Name of the test

Acquisition Describes the type of data being acquired

Acquire Status Progress of the acquisition:

■

To be started

■

Started Acquisition

■

Completed Acquisition

Analysis Status Progress state of the analysis:

■

To be started

■

In Progress

■

Completed

■

Aborted

Log View tab

■

Skipped

Figure 49: Log view

The Log View tab provides a list of actions that happen as the test executes. You can use this tab to review or troubleshoot tests.

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Running tests

Table 23: Log view options

Item Description

Message History This window time-stamps and displays all run

messages.

Auto Scroll Select this check box to have the program

automatically scroll down as information is added to the log during test execution.

Clear Log Click this button to clear all messages in the

Message History area.

Save Use to save the log file as a text file for

examination. Displays a standard Save File window and saves the status messages file that you specify.

See also

Before you click start

Pre-run check list

Configure email notification

84 TekExpress Automotive Ethernet

Saving and recalling test setups

About saving and recalling test setups

TekExpress Automotive Ethernet application opens with the default test setup selected. Any time you want to create a new test setup, you can select the default test setup to clear the previous test setup selections and take the settings back to their defaults.

You can run a test before or after saving a setup. When you save a setup, the selected oscilloscope, general parameters, acquisition parameters, measurement limits, prerecorded waveform files (if applicable), test, and other configuration settings are all saved under the setup name. You can open a setup and click Start button without having to do any other setting up except ensuring that the oscilloscope is detected and ready. For details, see Before you click start.

Saving a test setup

Save a test setup before or after running a test using the parameters you want to be saved. You can create a new setup from any setup you have open or from the default setup. When you select the default test setup, all parameters are returned to their defaults. The following instructions start from the default setup:

1. From the Options menu, select Default Test Setup.

2. Select the desired options in the Setup panel.

3. Select the desired report options.

4. If desired, run the test to ensure that it captures the information you want. If it

does not, edit the parameters.

5. From the Options menu, select Save Test Setup.

6. Name the test and, then click Save button.

Recalling a saved test setup

These instructions are for recalling saved test setups.

1. From the Options menu, select Open Test Setup.

2. In the File Open dialog box, select the desired setup from the list, and then click Open button.

See also

About test setups

Save a test setup

Create a new test setup based on an existing one

Delete a test setup

86 TekExpress Automotive Ethernet

Creating a new test setup based on an existing one

Use this method to create a variation on a test setup without having to create the setup from the beginning.

1. From the Options menu, select Open Test Setup.

2. In the File Open dialog box, select the desired setup from the list, and then click Open.

3. Modify the parameters as desired.

4. From the Options menu, select Save Test Setup As.

5. In the File Save As dialog box, enter a test setup name, and then click Save.

See also

About test setups

Save a test setup

Recall a saved test setup

Saving and recalling test setups

Deleting a test setup

Delete a test setup

If you no longer need a test setup, delete it from the test setup list in the Options menu using these instructions.

Each saved test setup consists of two main parts, the test setup file and the test setup folder, both named for the test session.

1. Ensure the setup you want to delete is not currently selected in TekExpress Automotive Ethernet.

2. Navigate to the Automotive Ethernet folder where test setup files are stored. For example, X:\Automotive Ethernet\(test setup name).

3. Locate the test setup file, and then delete it.

This removes the setup from the list in the Options menu.

4. Locate the test setup folder. If you want to keep any of the session files, move them out of the test setup folder and then delete the test setup folder.

See also

About test setups

Save a test setup

Recall a saved test setup

Create a new test setup based on an existing one

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Saving and recalling test setups

88 TekExpress Automotive Ethernet

Automotive Ethernet measurements

Transmitter clock frequency

This measurement verifies that the frequency of the transmit clock is within the conformance limits.

Suite Description

1000Base-T1 Physical Layer Specifications (IEEE Std

100Base-T1 BroadR-Reach Physical Layer Transceiver

802.3bp™-2016) a parameter for 1 Gb/s Operation over a Single Twisted-Pair Copper Cable section 97.5.3.6 Transmitter clock frequency test.

Specification for Automotive Applications, version 3.2, section 5.1.3 or IEEE P802d3bw (100 Base T1) section 96.5.4.5 transmitter specifications BroadR-Reach Physical Media Attachment Test Suite version 2.0, section 5.5

Required test equipment

In addition to the DUT and oscilloscope, you need the following:

■

One supported differential probe

■

Short automotive cable.

■

TF-XGbT test fixture

TekExpress Automotive Ethernet 89

Automotive Ethernet measurements

Figure 50: Connection diagram

NOTE. Ensure that the probe tip (+) is connected to the on the text fixture board.

Test setup procedure

1. Make the connection as shown in the above connection diagram.

2. Select the Suite type on the DUT panel.

90 TekExpress Automotive Ethernet

Tektronix TekExpress BroadR-Reach Analysis Solution (1001000BASE-T1) User manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of Contents

Welcome

Getting help and support

Conventions

Related documentation

Technical support

Getting started

Minimum system requirements

Instruments and accessories required

Install the software

Activate the license

View version and license information

Application directories and usage

File name extensions

Operating basics

Start the application

Application basics

Application controls

Global application controls

Options menu

Setup panel

Setup panel overview

Set DUT tab parameters

Selecting tests

NOTE. When using prerecorded waveform files, the Acquire Step By Step option is not available.

Status panel overview

Results panel

View test-related Files

Plots panel

Viewing plots

Reports panel

Reports panel overview

Report contents

Select report options

View a report

Running tests

Automate AWG/AFG signal generation

Before you click start

Pre-run check list

Running the tests and viewing their progress: the Status panel

Saving and recalling test setups

About saving and recalling test setups

Saving a test setup

Recalling a saved test setup

Creating a new test setup based on an existing one

Deleting a test setup

Automotive Ethernet measurements

Transmitter clock frequency