Keysight Technologies E6960A 1000Base-T1 Скачать руководство пользователя страница 22 | Manualshive

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1

Overview

22

Keysight E6960A User Guide and Method of Implementation

Figure 1-7

Configure Tab for Test Mode 1

8

above shows the figure tab that allows you to select different

oscilloscope channels and measurement attributes.

The Configure Tab allows

you to select different

oscilloscope channels

and measurement

attributes.
For example, the signal

input can be changed

from a differential probe

to two SMA cables.

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Содержание E6960A 1000Base-T1

Страница 1: ...Keysight E6960A 1000Base T1 Transmitter Compliance Application User Guide and Method of Implementation...

Страница 2: ...tomarily provided to the public or 2 Relinquish to or otherwise provide the govern ment rights in excess of these rights customarily provided to the public to use modify reproduce release per form dis...

Страница 3: ...erences 25 TX_TCLK125 Frequency Test 25 Transmit Clock Jitter MASTER SLAVE 26 Test Mode 2 Transmit Clock Frequency MASTER and MDI Output Jitter MASTER Tests 27 Test Setup 27 Specification References 2...

Страница 4: ...Output Droop Negative Test Information 41 Viewing the Test Report 42 Reference Documents 44 Other Keysight Automotive Ethernet Applications and Software 44 A Setting Up the N5395C Ethernet Transmitter...

Страница 5: ...ator 29 Figure 1 10 Single Ended Connection Setup for MDI Return Loss Test 33 Figure 1 11 Differential Connection Setup for MDI Return Loss Test 34 Figure 1 12 Power Spectral Density Test Using N9010B...

Страница 6: ...ementation Figure C 4 ENA Calibration Setup ECal Module 61 Figure D 1 Keysight s E6960 66600 Frequency Divider Board 64 Figure D 2 Check the Use 10MHz Ref Clock on Main Application Window 66 Figure D...

Страница 7: ...Table 1 1 Test Modes 10 Table 1 2 Tabs Menu functions 21 Table A 1 List of Compliance Test Board Sections 46 Table D 1 Switch A function states 69 Table D 2 Switch B function states 70 Table D 3 LED i...

Страница 8: ...8 Keysight E6960A User Guide and Method of Implementation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 9: ...Software 18 Test Mode 1 TX_TCLK125 Frequency and Transmit Jitter Tests 25 Test Mode 2 Transmit Clock Frequency MASTER and MDI Output Jitter MASTER Tests 27 Test Mode 4 Transmitter Distortion and MDI R...

Страница 10: ...cal and jitter characteristics of the transmitter and receiver from those of normal operation Using the Keysight E6960A 1000Base T1 Compliance application software along with an N5395C Ethernet Test F...

Страница 11: ...proper oscilloscope configuration Automatically sets up the oscilloscope for each test Allows you to determine the number of trials for averaging in each test Provides detailed information of each te...

Страница 12: ...ficate You will need the oscilloscope s Option ID Number which you can find in the Help About Infiniium dialog box 2 After you receive your license code from Keysight choose Utilities License Manager...

Страница 13: ...ore the skew calibration Both calibrations should be performed for best probe measurement performance For information on performing probe vertical and skew calibration in your Keysight Infiniium oscil...

Страница 14: ...onnecting the differential automotive pair to the Oscilloscope using a single differential probe Refer to Figure 1 2 for more details The only variation would be the Power Level Test that requires a b...

Страница 15: ...output of the transmitter to the oscilloscope The specific oscilloscope channel used can be selected in the Configure tab of the application An optional TX_TCLK may be supplied to the oscilloscope to...

Страница 16: ...ransmitter to the oscilloscope The specific oscilloscope channel used can be selected in the Configure tab of the application An optional TX_TCLK may be supplied to the oscilloscope to run the tests F...

Страница 17: ...DA This connection is only valid if the DUT has an RJ45 connector To test to wire pair B C or D connect the oscilloscope SMA cables to the appropriate Evaluation Board SMA connectors See Figure 1 3 be...

Страница 18: ...Software 1 Ensure that the 1000Base T1 Device Under Test DUT transmitter is operating and set to desired test modes 2 To start the Compliance Test Application from the Infiniium oscilloscope s main m...

Страница 19: ...nal instruments oscilloscope ENA generators etc if they are properly configured Refer to Appendix B Configure External Instruments on page 51 1 2 3 4 Item Description 1 Use TX_CLK Check this if your D...

Страница 20: ...pane show the steps you take in running the automated tests Figure 1 6 Select Tests Menu with all tests selected 6 Figure 1 6 above shows all the tests that are available in E6960A 1000Base T1 Compli...

Страница 21: ...in test number of averages etc Connect Shows you how to connect the oscilloscope to the device under test Run Tests Starts the automated tests If the connections to the device under test need to be c...

Страница 22: ...8 Figure 1 7 above shows the figure tab that allows you to select different oscilloscope channels and measurement attributes The Configure Tab allows you to select different oscilloscope channels and...

Страница 23: ...of the E6960A 1000Base T1 Compliance Test Application Test connections are clearly identified including additional hardware and cables When you make multiple tests where the connections must be change...

Страница 24: ...lic Documents Infiniium Apps 1000BT1 ProjectSamples 1000Ba seT1 Device1 proj Save the current project Saves the current project in the following folder C Users Public Documents Infiniium Apps 1000BT1...

Страница 25: ...2016 Section 97 5 3 3 TX_TCLK125 Frequency Test This test measures the frequency of the TX_TCLK125 clock Reference 1 specifies the symbol transmission rate of a compliant PHY The symbol transmission...

Страница 26: ...o an unjittered reference shall be less than 5 ps The peak to peak value of the MASTER TX_TCLK125 jitter relative to an unjittered reference shall be less than 50 ps Reference 3 specifies that when in...

Страница 27: ...1 specifies the symbol transmission rate of a compliant PHY The symbol transmission rate of the MASTER PHY shall be within the range of 750 MHz 100 ppm Reference 2 specifies that in Test Mode 2 the PH...

Страница 28: ...k value of the MDI output jitter relative to an unjittered reference shall be less than 50 ps This test measures the data time interval error of the test mode 2 signal at the MDI The ideal reference d...

Страница 29: ...or compliance The test accepts only a differential signal When using a supported function generator there is an automatic calibration process to calibrate the function generators If an unsupported mod...

Страница 30: ...s Information When operating in Test Mode 4 and capturing the waveform using the Section 11 of the fixture the peak distortion shall be less than 15 mV Reference 1 specifies that the peak distortion i...

Страница 31: ...to the nominal bitrate This is enabled by default when the Use 10MHz Ref Clock checkbox is disabled When the Use 10MHz Ref Clock checkbox is enabled the E6960 66600 Frequency Divider board as well as...

Страница 32: ...can also be used in place of the external vector network analyzer The external vector network analyzer will need to be manually calibrated prior to use User has the option to either run a differential...

Страница 33: ...onnection Setup Figure 1 10 Single Ended Connection Setup for MDI Return Loss Test LAN USB Connection E5071C ENA DSOS254A Infiniium Oscilloscope 1250 1250 N type M to SMA Adapter SMA to SMA Cables N53...

Страница 34: ...1 Overview 34 Keysight E6960A User Guide and Method of Implementation Differential Connection Setup Figure 1 11 Differential Connection Setup for MDI Return Loss Test...

Страница 35: ...upon the MDI with a test port having a differential impedance of 100 is attenuated relative to the incident signal as per the equation below where f is the frequency in MHz In other words the return l...

Страница 36: ...age 14 If you use the N9010B Signal Analyzer convert the differential output to a single ended output using a balun Use the balun on the N5395C Ethernet Test Fixture as shown in Figure 1 12 below The...

Страница 37: ...hod of Implementation 37 Specification References 1 1000Base T1 IEEE Std 802 3bp 2016 Section 97 5 3 4 2 1000Base T1 IEEE Std 802 3bp 2016 Section 97 5 3 5 NOTE Use the software supplied with your tra...

Страница 38: ...the upper and lower masks specified by the equations below where f is the frequency in MHz The resolution bandwidth of 100 kHz and sweep time of larger than 1 second are considered in PSD measurements...

Страница 39: ...Level Reference 1 specifies that in Test Mode 5 the transmit power shall be less than 5 dBm Transmitter Peak Differential Output Reference 2 specifies that in Test Mode 5 when measured with 100 termin...

Страница 40: ...eference 1 specifies the positive output droop of a compliant PHY The positive droop measured with respect to an initial value at 4 ns after the zero crossing and a final value of 16 ns after the zero...

Страница 41: ...t to an initial value at 4 ns after the zero crossing and a final value of 16 ns after the zero crossing shall be less than 10 The application triggers the Test Mode 6 signal on the falling edge and d...

Страница 42: ...ed and details about the individual tests For test result details select any one of the tests from the top pane the test details are shown below In Figure 1 13 below the jitter test is selected and th...

Страница 43: ...Overview 1 Keysight E6960A User Guide and Method of Implementation 43 Figure 1 14 Top Portion of a Typical HTML Report...

Страница 44: ...find E6960A E6961A Automotive Ethernet TX Compliance Solution www keysight com find E6961A E6962A Automotive Ethernet RX Compliance Solution includes E6962A RX Compliance Application 100Base T1 compl...

Страница 45: ...Keysight E6960A 1000Base T1 Transmit Compliance Solution User Guide and Method of Implementation 45 A Setting Up the N5395C Ethernet Transmitter Test Fixture Introduction 46...

Страница 46: ...evaluation Refer to Figure A 1 on page 47 The Return Loss impedance calibration board is Board Section 8 See Figure A 2 below This board is used for calibrating the ENA Refer to Calibrating the ENA on...

Страница 47: ...N5395C Ethernet Transmitter Test Fixture A Keysight E6960A User Guide and Method of Implementation 47 Figure A 1 N5395C Ethernet Electrical Transmitter Test Fixture Figure A 2 Return Loss Impedance Ca...

Страница 48: ...60A User Guide and Method of Implementation Jumper Settings Figure A 4 shows the jumper position for the Ethernet Test Fixture Section 11 applicable for E6960A Compliance Test Figure A 3 Section 11 on...

Страница 49: ...tter Test Fixture A Keysight E6960A User Guide and Method of Implementation 49 Figure A 4 Jumper Location for Ethernet Test Fixture NOTE If you need similar jumper cables please contact your Keysight...

Страница 50: ...A Setting Up the N5395C Ethernet Transmitter Test Fixture 50 Keysight E6960A User Guide and Method of Implementation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 51: ...Keysight E6960A 1000Base T1 Transmit Compliance Solution User Guide and Method of Implementation 51 B Configure External Instruments Introduction 52...

Страница 52: ...do this however the oscilloscope must know the SICL address of each instrument The External Instruments Status indicator is red if the instruments are not properly configured 1 From the Compliance Tes...

Страница 53: ...d in your system For the E6961A Solution this would be the Fg81150 60 3 If you know the SICL address you can use Keysight IO Libraries Suite Connection Expert utility to obtain the SICL address enter...

Страница 54: ...5 Repeat steps 3 4 and 5 for the E5071C ENA and the N9010B EXA Spectrum or Signal Analyzer 6 When you are finished click the Done button to return to the Main Menu 7 The External Instruments Status in...

Страница 55: ...Keysight E6960A 1000Base T1 Transmit Compliance Solution User Guide and Method of Implementation 55 C External Instrument Calibration Introduction 56...

Страница 56: ...ibrated Connect the equipment as shown in Figure 1 9 on page 29 NOTE The AWG Disturbing Signal Source must be Configured before attempting to Calibrate it If the system is not physically configured to...

Страница 57: ...etup for the Disturbing Signal Source Performing the AWG Calibration for the Disturbing Signal Source 1 From the E6960A Compliance Test Application software main menu click the Calibrate Sources butto...

Страница 58: ...Calibrate Disturbing Signal dialog box for the selected AWG 3 With the appropriate AWG Address set and the correct oscilloscope channels selected click the Calibrate button to start the calibration p...

Страница 59: ...ng the ENA it must be calibrated using the Return Loss Calibration board See Figure C 3 below for the connection diagram Calibrate the ENA using the instructions in the ENA s User s Guide Figure C 3 E...

Страница 60: ...est fixture Connect the other end to the two SMA test points on Section 10 on the test fixture 3 Connect a ENA input to the SMA test point on Section 10 on the test fixture 4 Calibrate the ENA using t...

Страница 61: ...ule 1 Connect the USB port on the ECal module with the USB port on the E5071C via a USB cable This connection may be done while the E5071C s power is on 2 Allow the Ecal module to warm up for 15 minut...

Страница 62: ...ing a 2 port E5071C pressing this key performs a 2 port ECal When using a 3 port or 4 port E5071C click one of the softkeys to start a full 2 port calibration 7 The following is a list of setup requir...

Страница 63: ...Keysight E6960A 1000Base T1 Transmit Compliance Solution User Guide and Method of Implementation 63 D Using the E6960 66600 Frequency Divider Board Introduction 64...

Страница 64: ...ntroduction Keysight s E6960 66600 Frequency Divider Board produces two identical clock signal outputs 10 MHz that are phase locked to the input clock This Frequency Divider Board is recommended for C...

Страница 65: ...wo types of ESD protection Conductive table mat and wrist strap combination Conductive floor mat and heel strap combination Both types when used together provide a significant level of ESD protection...

Страница 66: ...Divider Board 66 Keysight E6960A User Guide and Method of Implementation To use the divider board check the Use 10MHz Ref Clock on the E6960A Main Application Window Figure D 2 Check the Use 10MHz Ref...

Страница 67: ...rting Pin1 and Pin2 of J100 with jumper Remark 10MHz ref input amplitude and frequency specification for every oscilloscope might be different Please ensure the oscilloscope that you use meets the spe...

Страница 68: ...ponents on the E6960 66600 USB type B DC Jack Provides power to the fixture Either the USB port or the 2 5 mm center positive purpose Input voltage is required to be within 4 5V to 5 5V 500mA Any volt...

Страница 69: ...A sets the Fixture operating mode Table D 1 Switch A function states Switches Position Operating mode Comment A1 off Normal running mode Normal operating mode on Sleep mode Change made to any of the s...

Страница 70: ...Power LED Table D 2 Switch B function states Divider Comment B1 B2 B3 B4 B5 B6 B7 B8 To obtain 10 MHz output off off off off off off off off Not valid def Free Run Mode on off off off off off off off...

Страница 71: ...put signal locked Normal condition ON OFF Lost of Lock Flash 1 Hz OFF Lost of Signal OFF Flash 1 Hz Lost of 48MHz reference OFF ON Table D 5 LED B indicators Green Red Valid switch B configuration Nor...

Страница 72: ...D Using the E6960 66600 Frequency Divider Board 72 Keysight E6960A User Guide and Method of Implementation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 73: ...on is subject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2017 2019 Edition 3 0 March 2019 Printed in Malaysia ww...

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