Tektronix CSA7000 Series User Manual
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Tektronix CSA7000 Series User Manual

Tektronix CSA7000 Series User Manual

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User Manual
CSA7000 Series
Serial Mask Testing &
Serial Pattern Trigger
TDS6000 & TDS7000 Series
Option SM Serial Mask Testing
Option ST Serial Pattern Trigger
071-1035-03
This document applies to firmware version 2.2
and above.
www.tektronix.com

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  • Page 1 User Manual CSA7000 Series Serial Mask Testing & Serial Pattern Trigger TDS6000 & TDS7000 Series Option SM Serial Mask Testing Option ST Serial Pattern Trigger 071-1035-03 This document applies to firmware version 2.2 and above. www.tektronix.com...
  • Page 2 Copyright © Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077-0001...

  • Page 3: Table Of Contents

    ..........Contacting Tektronix .
  • Page 4 Table of Contents List of Figures Figure 1: Masks control window ......Figure 2: Communication signal trigger functions .

  • Page 5: Preface

    This is the user manual for Serial Mask Testing and Serial Pattern Trigger functions. The user Mask functions, Mask Testing functions and Comm measurements are standard on CSA7000 Series instruments, and both TDS6000 and TDS7000 Series instruments. All other functions mentioned in this document are optional for TDS6000 and TDS7000 Series instruments.
  • Page 6 Preface Manual name Description Online Help An online help system that is integrated with the User Interface application that ships with the CSA7000, TDS7000, and TDS6000 instruments References A quick reference to the major features of the instrument and how they operate User Manual The user manual for the CSA7000, TDS7000, and TDS6000 instruments Programmer Online Guide...

  • Page 7: Contacting Tektronix

    This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices. Serial Mask Testing & Serial Pattern Trigger User Manual...
  • Page 8 Preface Serial Mask Testing & Serial Pattern Trigger User Manual...

  • Page 9: Getting Started

    Getting Started This section of the user manual provides a high-level description of the Serial Mask Testing and Serial Triggering functions. The user Mask functions, Mask Testing functions and Comm measurements are standard with the CSA7000 Series instruments and both TDS7000 Series Digital Phosphor Oscilloscopes and TDS6000 Series Digital Sampling Oscilloscopes.
  • Page 10 The CSA7000 Series instruments, when used with the O/E Electrical Out-to-CH1 Input Adapter (013- -0327- -xx), are calibrated optical reference receivers with digital filtering, enabling you to do mask standard compliance testing.

  • Page 11: Installing Optional Serial Mask Testing And Serial Pattern Trigger Functions On Tds6000 And Tds7000 Series Instruments

    Getting Started Serial Pattern Trigger Serial Pattern Trigger lets you define a serial data pattern on which to trigger the instrument (not available on TDS7104 and TDS7054 instruments). The Serial Pattern Trigger key features are: H User-defined serial data pattern of up to 32 bits on NRZ data streams up to 1.25 GBaud H Clock recovery from the serial data stream Installing Optional Serial Mask Testing and Serial Pattern Trigger Functions...
  • Page 12 Getting Started Serial Mask Testing & Serial Pattern Trigger User Manual...

  • Page 13: Operating Basics

    Operating Basics This chapter describes how to access the Serial Mask Testing and Serial Pattern Triggering features, and provides a brief description of each function’s settings. See the Reference section in this manual for detailed instructions on using the Serial Mask Testing and Serial Pattern Triggering functions. Serial Mask Testing Functions Serial Mask Testing provides three sets of functions: optical and electrical serial mask testing, communications triggering, and automatic communication signal...

  • Page 14: Figure 2: Communication Signal Trigger Functions

    Operating Basics Table 1: Masks control window functions (cont.) Function Pass/Fail Setup Set the mask test pass/fail parameters Pass/Fail Results Display the pass/fail test results Accessing Serial Mask To access the Serial Mask Testing communication trigger functions, do the Testing Communications following steps: Trigger Functions 1.

  • Page 15: Figure 3: Communication Measurement Functions

    Operating Basics Table 2: Communication trigger functions (cont.) Menu Function Coding Sets the communications code type from a drop- - down menu (AMI, BZ3S, B6ZS, B8ZS, CMI, HDB3, MLT3, NRZ) Standard Sets the signal standard for the selected code from a drop- - down menu Bit Rate Sets or displays the bit rate for the selected standard;...

  • Page 16: Accessing Serial Pattern Trigger Functions

    Operating Basics Accessing Serial Pattern Trigger Functions To access the Serial Pattern Trigger functions, do the following steps: 1. Touch the Trig tool bar button. The instrument displays the Trigger control window. 2. Select the A Event tab. 3. Touch Serial in the Trigger Type field. The instrument displays the serial pattern trigger functions, as shown in Figure 4.
  • Page 17 Operating Basics Table 3: Serial trigger functions (cont.) Menu Function Editor Opens the serial pattern data editor which lets you define the serial pattern on which to trigger Format Displays the serial trigger pattern data in binary or hexadecimal format Serial Mask Testing &...
  • Page 18 Operating Basics Serial Mask Testing & Serial Pattern Trigger User Manual...

  • Page 19: Reference

    Reference This chapter contains instructions for performing the following tasks: H Mask Testing (starting on this page) describes how to set up and run mask tests, as well as how to create, edit, and save user masks. H Communication (Comm) Triggering (page 32) describes how to trigger on industry-standard communication signals, and provides information on the recovered clock (R Clk) feature.
  • Page 20 Reference Mask Test Setup To set the instrument to perform mask tests, do the following procedure. Overview To mask test a waveform Related control elements and resources Prerequisites 1. Connect the instrument to the source signal, or save the source signal to a math or reference waveform memory location.
  • Page 21 Bessel-Thompson Filter button that lets you turn on or off the fourth-order Bessel-Thompson frequency filter (default is On). When the filter is On, the CSA7000 series is an Optical Reference Receiver. CAUTION. Do not exceed the maximum nondestructive optical input specified in your instrument user manual.
  • Page 22 Mask Setup control window. On CSA7000 series instruments when using the O/E Electrical Out-to-CH1 Input adapter, autoset defaults to CH 1, and the instrument will ignore the other channels.
  • Page 23 Reference Overview To mask test a waveform (cont.) Related control elements and resources Enable and set 10. In the Masks tab, touch the Autofit button to enable the waveform waveform autofit function. Autofit checks each waveform autofit for any mask hits. If there are hits, autofit repositions the parameters waveform to minimize hits.
  • Page 24 Reference Overview To mask test a waveform (cont.) Related control elements and resources Set mask test 13. Select the Pass/Fail Setup tab of the Masks control pass and fail window. parameters 14. Use the control knob, keypad, or pop-up keypad to enter the number of waveforms to test (number of samples in some modes), the failure threshold (the number of waveforms that must fail to fail the test), and the delay...
  • Page 25 Reference Overview To mask test a waveform (cont.) Related control elements and resources Set test pass 18. Use the Polarity buttons to set mask and waveform and fail polarity. Positive tests the positive waveform pulses. parameters Negative inverts the mask and tests the negative (cont.) waveform pulses.
  • Page 26 Reference Running a Mask Test To start and stop mask tests, do the following procedure. Overview Running a mask test Control elements and resources Prerequisites 1. You must have set up the instrument to perform mask testing as described in Mask Test Setup on page 12. Start the mask From the button bar, touch Masks and select the pass/fail test...
  • Page 27 Reference Creating a User Mask from Refer to Mask Key Points on page 30 before creating or editing a mask. To create a Defined Mask a user mask from a defined mask, do the following procedure. Overview Creating a user mask from a defined mask Control elements and resources Access the From the button bar, touch Masks and select the...
  • Page 28 Reference Overview Creating a user mask from a defined mask (cont.) Control elements and resources Copy the cur- Touch the User Mask button. rent mask Touch the Copy Current Mask to User Mask button. The instrument copies the current mask to the user mask memory.
  • Page 29 Reference Editing a User Mask To edit a user mask, do the following procedure. Overview Editing a user mask Control elements and resources Access the From the button bar, touch Masks and select the mask edit Masks tab. window Touch the User Mask button. Touch the Edit User Mask button.
  • Page 30 Reference Overview Editing a user mask (cont.) Control elements and resources Move a Touch the Horizontal field and use the multipurpose vertex knob or keypad to change the selected vertex horizontal position. Touch the Vertical field and use the multipurpose knob or keypad to change the selected vertex vertical position.
  • Page 31 Reference Saving a User Mask to To save a mask to a folder on the instrument disk, do the following procedure. Disk Overview Saving a user mask to disk Control elements and resources Access the From the button bar, touch Masks and select the Masks Mask Setup tab.
  • Page 32 Reference Recalling a User Mask To recall a mask that was stored on disk, do the following procedure. From Disk Overview Recalling a user mask Control elements and resources Access the From the button bar, touch Masks and select the Masks Mask Setup tab.
  • Page 33 Reference Creating a New User Mask To create a new user mask that is not based on an existing mask, do the following procedure. Overview Creating a new mask Control elements and resources Set instrument Use the communications trigger features to trigger the settings instrument on a signal.
  • Page 34 Reference Overview Creating a new mask (cont.) Control elements and resources Create and edit Touch the Edit User Mask button to display the user new mask mask edit functions. segments Touch the Segment field and use the arrow buttons, multipurpose knob, or keypad to enter or select segment 1.
  • Page 35 Reference Mask Testing Example The following procedure is an example of setting up the instrument to perform mask testing on a DS1A signal. This example uses a DS1A signal and a CSA7000 Instrument, but the example can easily be modified for other communications signals and other instruments.
  • Page 36 Reference Overview Creating a new mask (cont.) Control elements and resources Align the mask To align the signal with the mask, touch the Alignment and the signal Autoset button. The signal is aligned with the mask. If you need to minimize the number of mask hits on each acquisition, touch Autofit.
  • Page 37 Reference Overview Creating a new mask (cont.) Control elements and resources Setup pass/fail 10. Select the pass/fail test controls (this example uses the testing defaults except Pass/Fail Test Repeat is selected): The number of samples or waveforms to test, the minimum number of waveforms to test, and the delay before the test begins Notifications/actions when the test fails or...
  • Page 38 Reference Mask Key Points There are a number of mask test key points to be aware of prior to using, editing, or creating a mask. Mask Testing. Only one mask standard is active at any time. If you have a mask selected/enabled and then select a new mask, the new mask replaces the previous mask.
  • Page 39 CSA7000 Series instruments. (CSA7000 Series Only) H The CSA7000 Series instruments, when equipped with the O/E Electrical Out-to-Ch1 Input Adapter, are calibrated optical reference receivers. This means that the instrument optical to electrical converter and instrument input...

  • Page 40: Communication (Comm) Triggering

    Reference Communication (Comm) Triggering Communication (Comm) triggering sets the instrument to trigger on industry- - standard communication signals. This section describes how to access and operate the communication trigger features. Communication Triggering To set the instrument to trigger on communication signals, do the following procedure.
  • Page 41 Reference Overview Communication triggering (cont.) Related control elements and resources Select comm Touch the Coding button and select the appropriate trigger coding code type for your signal from the list. The code and standard selected determines which standards are available as well as other parameters, such as trigger threshold and pulse form.
  • Page 42 Reference Overview Communication triggering (cont.) Related control elements and resources Select comm Depending on the code setting, the instrument displays trigger pulse different sets of Pulse Form buttons. Touch the form appropriate Pulse form button to select a pulse form setting, where each button means: AMI: Isolated +1, Isolated - - 1, and eye diagram CMI: +1 (binary 1), 0 (binary zero), - - 1 (inverse of...
  • Page 43 2.5 Gb/s. The recovered clock and recovered data (up to 1.25 Gb/s) are also available at the front panel of a CSA7000 Series instrument. H When you select recovered clock, the instrument attempts to trigger on and acquire a lock on the derived clock signal.

  • Page 44: Serial Pattern Trigger

    Reference Serial Pattern Trigger Serial pattern trigger sets the instrument to trigger on a user-defined NRZ data stream pattern. This section describes how to access and operate the serial pattern trigger function. NOTE. Serial pattern trigger is not available on TDS7054 or TDS7104 instru- ments.
  • Page 45 Reference Overview Serial trigger setup (cont.) Related control elements and resources Select data Touch the Data Src button to select the serial data source source. Select from channel 1 through channel 4. Touch the Data Level field and use the multipurpose knob or keypad to enter the serial data stream data threshold level.
  • Page 46 Reference Overview Serial trigger setup (cont.) Related control elements and resources Select clock Touch the Clk Src button to select the serial data clock source, polarity, source. Select from channel 1 through channel 4 and and level R Clk (recovered clock). Recovered clock is only available for NRZ coded signals.
  • Page 47 Reference Overview Serial trigger setup (cont.) Related control elements and resources Edit the serial 11. Touch the Editor button. The instrument displays the trigger pattern Serial Trigger edit controls. 12. To enter the serial data pattern in binary format, touch the Format button, and select Binary.
  • Page 48 Reference Serial Mask Testing & Serial Pattern Trigger User Manual...

  • Page 49: Appendix A: Supported Mask Types And Standards

    Appendix A: Supported Mask Types and Standards Tables 4 through 17 list all supported mask types and standards. NOTE. The standards available for an instrument depend on the bandwidth and/or configuration of that instrument. Table 4: ITU-T masks None 32Mb 97Mb DS1 Rate 32.064 Mb/s...

  • Page 50: Table 7: Sonet/Sdh Masks

    Appendix A: Supported Mask Types and Standards Table 7: SONET/SDH masks None OC1/STM0 OC3/STM1 OC12/STM4 OC48/STM16 51.84 Mb/s 155.52 Mb/s 622.08 Mb/s 2.4883 Gb/s OC48-FEC 2.666 Gb/s Table 8: Fibre Channel masks None FC133 Optical FC266 Optical FC531 Optical 132.8 Mb/s 265.6 Mb/s 531.2 Mb/s FC1063 Optical...

  • Page 51: Table 12: Usb 1.1/2.0 Masks

    Appendix A: Supported Mask Types and Standards Table 12: USB 1.1/2.0 masks None FS 12 Mb/s HS:T1 480 Mb/s HS:T2 480 Mb/s HS:T3 480 Mb/s HS:T4 480 Mb/s HS:T5 480 Mb/s HS:T6 480 Mb/s Table 13: 1394b masks None S400b T1 S400b T2 S400β...

  • Page 52: Table 16: Iof Masks

    Appendix A: Supported Mask Types and Standards Table 16: IOF masks None SFI/SPI-5 TA Data SFI/SPI-5 TC Data SFI/SPI-5 TA Clock 2.488 Gb/s 2.488 Gb/s 2.488 Gb/s SFI/SPI-5 TC Clock SFI/SPI-5 RB Data SFI/SPI-5 RD Data SFI/SPI-5 RB Clock 2.488 Gb/s 2.488 Gb/s 2.488 Gb/s 2.488 Gb/s...

  • Page 53: Appendix B: Supported Communication Trigger Codes And Standards

    Appendix B: Supported Communication Trigger Codes and Standards Tables 18 through 25 list all supported communication trigger standards. Note that HDB3, B3ZS, B6ZS, and B8ZS are considered to be subsets of the AMI code set. NOTE. The communications trigger standards available for an instrument depend on the bandwidth and/or configuration of that instrument.

  • Page 54: Table 22: Cmi Trigger Standards

    Appendix B: Supported Communication Trigger Codes and Standards Table 22: CMI trigger standards Custom DS4NA 139.26 Mb/s 139.26 Mb/s STM1E STS-3 155.52 Mb/s 155.52 Mb/s Table 23: HDB3 trigger standards Custom 2.048 Mb/s 8.448 Mb/s DS1A 34.368 Mb/s 2.048 Mb/s Table 24: MLT3 trigger standards Custom 100Base-TX...

  • Page 55: Appendix C: Automatic Communication Signal Measurements

    Appendix C: Automatic Communication Signal Measurements Table 26 lists the built- -in automatic communication signal measurements. Table 26: Supported communications measurements and their definition Name Definition Ext Ratio The ratio of eye top to base. Ext Ratio = PTop /PBase mean mean Extinction Ratio %...

  • Page 56: Levels Used In Taking Eye Measurements

    Appendix C: Automatic Communication Signal Measurements Table 26: Supported communications measurements and their definition (Cont.) Name Definition Duty Cycle Distortion The peak-to-peak time variation of the 1st eye crossing measured at the MidRef as a percent of the eye period. percent of the eye period.
  • Page 57 Appendix C: Automatic Communication Signal Measurements P Values The P values include the mean and standard deviation of the vertical location of PTop and PBase. These areas are used with a specified sample size to statistical- ly measure the following values: H PTop , the mean value of PTop mean...
  • Page 58 Appendix C: Automatic Communication Signal Measurements Serial Mask Testing & Serial Pattern Trigger User Manual...

  • Page 59: Index

    Index selecting a type, 33 serial data, 37 Address, Tektronix, v serial data pattern, 39 Automatic measurements serial pattern data, 38 levels used in taking, 48 threshold level, 37 reference levels defined (eye pattern/optical), 49 threshold levels, 34 view the trigger pattern, 38...
  • Page 60 Index masks directory, 24 moving a mask vertex, 22 Manual structure, iii negative polarity, 17 Manuals, related, iii number of waveforms to test, 16 mask standards supported, 41 O/E out to CH1 adapter, 31 Mask testing, 1, 11 optical, 31 access the setup window, 19, 23, 24 pass and fail parameters, 16 accessing, 5...
  • Page 61 Technical support, contact information, v Tektronix, contacting, v Noise Pk-Pk measurement, 47 Noise RMS, 47 URL, Tektronix, v Phone number, Tektronix, v Preface, iii Product description, 1 Web site address, Tektronix, v Serial Mask Testing & Serial Pattern Trigger User Manual...
  • Page 62 Index Serial Mask Testing & Serial Pattern Trigger User Manual...

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