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DSA8200 Quick Start User Manual

1. I zj p2 tem E BE 2548m E aH Main q aj 221 300ps BEI 21 1891 Bc 3 27 PM 2 9 2004 1 Drag the markers to enclose the portion of waveform to appear in Mag1 View 2 Drag the markers to enclose the portion of waveform to appear in Mag2 View 3 Drag the border between graticules to vertically size Main Mag1 and Mag2 Views 4 Mag2 View 5 Mag1 View 6 MAIN View Accessing Online Help In depth information about all the features of your instrument is available in the online help For a brief description of controls move your File Edit view Setup Utilities Applications Help Triggered mouse pointer and let it rest over a control pm m such as a menu name a menu item tool bar Fr alti ce aea Acq Mode Sample button or tool bar readout The help system displays a short definition or a label tooltips fue Timing of the control 20 DSA8200 Quick Start User Manual For a more detailed description click the What s This button in the main display or in a dialog box After clicking the What s This button click the control you want described A popup box describes the control DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument Tektronix _ x t lm BE App WP Wel Ed eas bed Sal Setups eat Phase Ref Mask TDR Dip Wim Database Hist Cursor Meas Wert Horz Acq Trig Trig E stemal Dir Wim Database Hist Cu
2. Horizontal Acquire Trigger Measurement Mask Display Histoorarn Cursors fm Database TOR Phase Reference DSA8200 Quick Start User Manual Optimizing Measurement Accuracy 6 In Vert Setup dialog box click the Compensate User Wavelength Gain button under Compensate Follow the instructions on wertet the screen User Wavelength Gain 7 In the User Wavelength Gain Compensation dialog box set the wavelength and power of the signal to be applied to the channel User Wavelength Gain Compensation EA User Wavelength E nm Power E w 8 Press the OK button to execute the compensation o xK Cancel DSA8200 Quick Start User Manual 29 Acquisition Acquisition This section contains concepts of and procedures for using the acquisition system Detailed information is available in the online help Setting Up Signal Input Use front panel buttons to set up your instrument to acquire the signal 30 CAUTION Sampling modules are inherently vulnerable to static damage Always observe static safe procedures and cautions as outlined in your sampling module user manual 1 Connect to the signal to be acquired using proper probing connecting techniques See the user manual for the sampling module you have chosen Connect an appropriate trigger signal to the instrument See page 37 Triggers Push the C
3. Total 5160986 wre tms 29621 TEEN EEE ET EEE eee ek oe ae te oma ater 8480p 153 Opsidiv Jer por mpar sel mn aa Ss E posers BE i242 PM ana Quick Tips Selecting a source that is currently displayed as a waveform database automatically enables mask testing on the database To mask test the waveform instead of its database deselect the Use Wfm Database box m You can choose to autoset the mask source waveform to the mask each time you select a new mask standard by checking Automatic under Autoset m Pressing the RUN STOP button after acquisition has stopped due to a Stop After condition being met causes the instrument to acquire one and only one additional waveform The Clear Data button resets all mask counts In addition if the source for mask testing is a waveform database clicking this button clears the waveform database 56 DSA8200 Quick Start User Manual FrameScan Analyzing Waveforms Use FrameScan to test a specific bit or range of bits in a repeating frame of data FrameScan acquisitions allow detailed display and analysis of individual complete waveforms or of the bit sequences leading up to a failure This ability to identify the specific patterns that caused the failure makes the FrameScan mode superior to traditional methods 1 Select the Horizontal Setup menu Click Enabled in FrameScan Click Auto Position m P Set the Start Bit to specify the starting bit location for the sca
4. Free Run A trigger is automatically 2 a E rug i generated Multi clock cycle period FreeRun f Triggered SSC displayed signals are synchronous 1 Click Phase Ref in the Setup menu to with the phase reference but overlaid Phase Reference Module Source ea C4 I m Triggered Samples are corrected ii Input Freq fio 31250006 E iS for horizontal position per the phase reference supplied but otherwise Standard Freq Table N have all the attributes of a triggered Characterize waveform Characterization required m Triggered SSC Phase correction is active and the trigger is used to determine the horizontal acquisition Tinebase window The instrument assumes Made Lack to Int TOMHz some amount of Spread Spectrum Clocking contained on the phase __ Hee reference input clock 3 Click the Source control to select the module to which you connected the clock if more than one phase reference module is installed 4 Select the input frequency to the phase reference module m Use the Input Freq control to enter the frequency of Phase Reference clock or use the Standard Freq Table button to select a communications standard 60 DSA8200 Quick Start User Manual 5 Press the Characterize button to characterize the clock signal attached to the phase reference module Quick Tips Analyzing Waveforms m When entering the phase reference clock frequency the value mus
5. DSA8200 Quick Start User Manual TDR Step Deskew Procedure Skew and Deskewing TDR Step Deskew time aligns the TDR steps such that the stimulus steps arrive at the selected reference plane at precisely the same time This procedure requires that an Acquisition Deskew be performed first so that the acquisition channels are properly aligned It is important that the same reference plane be used for both the Acquisition Deskew and the TDR Step Deskew procedures to avoid possible misalignment of the signals 1 Ensure that either an open or a short is present at the reference plane for the TDR channels to be deskewed For best results both channels should have the same termination Setups NOTE Before proceeding be sure to set the polarity of the TDR steps to match the step polarities of your application if they are different than the defaults used here for example if you are using a common mode measurement 2 Display the TDR Setup dialog box by choosing TDR from the Setup menu Click the differential preset button for the channels you will be using The TDR preset sets the odd channel to a positive step and the even channel to a negative step In this procedure we will use Ch5 and Ch6 as the positive and negative channels EB j Steps 3 Change the units for both channels to V Volts then dismiss the dialog box ae DSA8200 Quick Start User Manual Vert Horz Acq wfm Database Hist
6. m E p DSA8200 Quick Start User Manual Cleaning the Instrument Cleaning the Instrument Periodically you may need to clean the exterior of your instrument To do so follow the instructions in this section N WARNING Before performing any procedure that follows power down the instrument and disconnect it from line voltage Exterior Cleaning CAUTION To prevent getting moisture inside the instrument during external cleaning use only enough liquid to dampen the cloth or applicator Clean the exterior surfaces of the chassis with a dry lint free cloth or a soft bristle brush If any dirt remains use a cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not use abrasive compounds on any part of the chassis as they may damage it CAUTION Avoid the use of chemical cleaning agents which might damage the plastics used in this instrument Use a 75 isopropyl alcohol solution as a cleaner and wipe with a clean cloth dampened with deionized water Use only deionized water when cleaning the menu buttons or front panel buttons Before using any other type of cleaner consult your Tektronix Service Center or representative Flat Panel Display Cleaning The instrument display is a soft plastic display and must be treated with care during cleaning CAUTION Improper cleaning agents or methods can damage the flat panel display Avoid using abrasive cleaners or co
7. Pulse ampitude sun nan cae oa unr 300 l l f i ual da4 l A A a zn T PhaseReffC5_C6 TRIGGER DSA8200 Quick Start User Manual Analyzing Waveforms Analyzing Waveforms Your instrument features cursors automatic measurements statistics histograms and math to assist you in analyzing waveforms This section contains concepts and procedures for analyzing waveforms Detailed information is available in the online help Taking Automatic Measurements Automated measurements are divided into signal types Pulse NRZ Non Return to Zero and RZ Return to Zero These are further divided into categories amplitude time and area 1 Use the Vertical buttons to select the VERTICAL waveform to be measured cH The waveform may be a channel reference or math waveform 2 Select one of the signal waveform ae Ea Mem Sm NYSE Ara types and then select a category from ee the measurement bar re we nd 7 Funston 3 Click the measurement you want in the e Pi measurement toolbar j apes z 4 Read the results in the measurements readout Utilities Applications Help Triggered N Aca Mode Sample Trig Extemal Direct ls alm alo al clml AALS nfz als Measurement Rise C5 N a4 1 S643 pe Min S09 086ps OF Max 556 509ps uo 531698ps 7 4 35 1399p DSA8200 Quick Start User Manual 43 Analyzing Waveforms 44 To see statisti
8. amp 000000000000 eo Ai g a ef IEEE NO om TO ENABLE OR DISABLE THE LAN SEE ENABLING YOUR LAN AND CONNECTING TO A NETWORK IN YOUR MANUAL A Or SO REAR nn Audio line in Audio line out Audio line in microphone Side surround sound Rear surround sound Center Bass surround sound SVGA out for dual monitor display COM 1 PS2 keyboard PS2 mouse mn Sa E Mm gt P P uma _ O Parallel port USB ports LAN _ gt i GC NY Interface The menu bar provides access to commands that control all of the instrument features and functions The toolbar provides access to the most common features Hovering the cursor over a button or setting displays a brief description of its function called a tooltip DSA8200 Quick Start User Manual 17 Getting Acquainted with Your Instrument OL a M e P P 10 11 12 18 File Edit View Setup Utilities Applications Help Triggered Tektronix alx ER fe bafia a Acq Made Sample gt Trig Extemal Direct gt App h FES sur PUM ca an mr ne FG an F De f ap a ILE a NE I I I I I T PhaseRef C5_C6 Characterize rss 5 l i Be Measurement a HE ran G 500 0rn 500 Opsrdiv fica 4l 100 0mv aH p ov a main Ty 2 500 000ps ale fe1 s00n aH aec 1 16 PM 3 27 2004 Tool Bar Access to key features
9. so Define Math that the waveform displays ms Fo ravi Kiss Vina alten Jer Sal Logli sirji rli NEISUF Ea ilini ar gt BE Hann BEE Fenced T Quick Tip m If you select a waveform that is already defined its math expression appears in the dialog box To use the waveform click the Clear button which discards its previous math expression DSA8200 Quick Start User Manual 51 Analyzing Waveforms Waveform Databases The four available waveform databases can be used for measurements histogram calculations mask testing and generating a density style graded display Waveform databases may be automatically allocated for measurements histograms and mask testing 52 1 Click Wfm Database in the Setup dialog box From the pulldown menu under Database select one of the four available databases Click the Source button to select the waveform source Click On to start accumulating data from the selected source Click Display to turn on the display of the waveform database Select the Persistence mode for the selected waveform If you selected Variable persistence you can specify the number of waveforms that are included in the waveform database The following Display Options affect all waveform databases that you display 8 9 10 11 Click a grading display option Click Invert to emphasize the least occurring pixels by reversing the intensity color assignments to e
10. 100 199699 0 200005 0 199560 0 139331 0 200004 0 159955 0 139313 0 200003 0 200217 0 199920 0 200049 3 To print a hard nt to an ae File Edit Wiew Setup Utilities Appl printer or a network printer click the print O ajaaa z icon in the toolbar SA A A Tul Pulse Ampitude r ru nm MI 4 To Copy a screen Image into another gk 8564 Network Element Test Report 1 1 H 1 Ijdk donnf Iflfm fkfo Idm dd gpmnrbw dkjd ba sbs aa If f fkjdsmshd djkd dd O jd dajcn ndj been application choose the Print to file pnas Gekdm mik Kv hp Gps afo saekje bn Fo jzkv Iv hm Pidi d ddn Vodeja ELX 3568 i e R djdmd Gfm fkfo Idm dd gpmnrbw dkjd dis if f kids smshd djkd dd O jd ddj dm djdkddt an option in the print dialog box Save aa h i i f h i Yhdgjd EI X 3564 djdm Gfm fkfo rbw dkjd djs sbs dkd If f fkjdsmshd djkd d Ujdk donnf Iflfm fkfo Idm dd g bW ded dj u id If f fkjds shd dikd dd Gf fkfo ldn dd bw the screen image in a format that is a ra a i gt gt i nnf ifm fkfo idm dd apn compatible with your application and e pai a Hija js abs akd WT kam kd d O foe ea Mi PRE Re Sg gee A ae oe id dima ikd idf pdhas fs kdmdmfk 7 kf a eee 3 ore vkf fkjvpo fid dfo sdekjg bn io jzkv Iv then insert the screen image into your aie ERE Tim Plum dn Ybdejd FIX 3568 jdm ae ee es ee Gfm fkfo ldm dd gpmnrbw dkjd djs sbs i E dkd If f fkjdsmshd djkd dd O jd document a i ddjdmdjdkddf palhas fj kad
11. Annotations Help DSA8200 Quick Start User Manual 45 Analyzing Waveforms 46 To localize a measurement 13 14 15 16 17 Select Meas Select the Region tab Click the On box to turn gating on and to display the gates on screen Use the G1 Gate1 and G2 spin controls to adjust the gates on screen such that the area to measure is between the gates Click the Annotations box to display which portion of the waveform is being measured and the reference levels for that measurement Quick Tips r Annotations Help Selups x Phase Ref Mask TDR Dip Vert Horz Acq Trig wfm Database Hist Cursor ess 43 Meas 1 m On AN Select keas C3 Pk Pk Value 260 000000 mY Show Stats Clear Stats owe Source Set to Default ane E HiLow RefLevel Gales Gl 20 0 Slope f 4 Direction 0 gt M Statistics Weighting be aH Gate G1 Gate G2 If at the time you first create a measurement the measurement source you select is displayed as a waveform database the database will automatically be measured Deselect the User Wfm Database option if you want to measure the vector waveform instead of the database Gate values are entered as a percentage of the waveform displayed from left to right If no keyboard is installed access the virtual keyboard and use the touch screen to enter values You can select and drag the ga
12. DSA8200 mainframe makes this a simple procedure After connecting your signal source or sources do the following steps If you have a differential setup repeat these steps for both inputs 1 Select the Setup gt Vert menu 2 Set DC Cal voltage to an appropriate X value ses 0900 3 Use the External Attenuation window to P 5 a adjust the value to achieve the proper O voltage reading as measured with a Pulse Mean Measurement DC S CALIBRATION OUTPUT ol 80Exx module 80A05 module NOTE The output impedance of the DC CALIBRATION OUTPUT is close to ON NOTE This procedure applies equally well if a probe is connected to the input of the 80A05 module For example both the P6150 and the P6380 probes can be calibrated using this DC CAL voltage DSA8200 Quick Start User Manual 71 Skew and Deskewing Skew and Deskewing The propagation delay inherent in connecting cables and probes can result in inaccurate amplitude and time correlated measurements This is caused by the difference between two or more delays known as skew Skew can be present in multi channel applications and is of particular concern in differential systems To obtain the best measurement and analysis results from your instrument you will need to remove skew a process known as deskewing In differential non TDR applications skew can occur in acquired signals as they pro
13. Mask Counts j mack ea emcees cemesmes cemesmes sos comes cee i Il UL 1S Displays the mask on screen and Domm tandard triad R autosets for the mask if Automatic is a AANA E Fibre Channel Optical gt OC 48 5TM 16 checked in the dialog box A Fibre Channel Electrical FEC2666 Gb s aa k Cispa InfiniBand OC 192 STM 64 m Enables mask testing 5 PCI Express t FECIO 66 Gb s 7 Mask Col a fi Mas olor A Rapid IO t FECIO 71 Gb s Displays mask count statistics in the DC 768 5T 256 mask readout A mask does not SATA FEC4266 Gb s have to be displayed to have mask ua SDH FECA Ue Gis counting enabled Ta 3 Ifyou want disable mask counts Selecting a mask in step 2 automatically enabled them 4 Check Use Wfm Database to use a waveform database as the waveform source 5 You can enable margins to explore Mask Margins design margins of your communications On Margin 50 EES signal DSA8200 Quick Start User Manual Analyzing Waveforms To autoset the waveform to mask Autocet HiLow Method 6 Click the Autoset button to perform a Sue mee 1 manual autoset on the mask source Manua Male waveform Autoset 7 Select the HiLow Method used to determine the High and Low values when aligning the input signal to the masks Mean sets the Mask Autoset to use the mean value of the High level topline and Low level baseline taken within the fixed eye aperture cent
14. Pattem Sync Setup External Prescaler Internal Clack 200kH2 Clock Recovery Outputs None r DENE Hone 7 Deine Clock Recover Mode Slope Ee Nomal Ol le Level a 400m aH Set bo 50 Enhanced Triggering High Frequency Triggering Gated Trigger Haldott B 0004s A Help DSA8200 Quick Start User Manual Internal Clock Output 1 Setthe trigger source to Internal Clock 2 Connect a cable or TDR probe to the INTERNAL CLOCK OUTPUT connector on the front panel of the mainframe to use for injecting the clock signal into the reference plane NOTE It might be necessary to use a 50 Q terminated SMA T a 50 Q terminated power divider or a 2 6 dB attenuator to reduce the Internal Clock Output amplitude to an acceptable amplitude for the module Setups TX rn Database Hist Cursor Meas Phase Ref Mask TDR Dip Wert Harz Aca Trig Trigger Source External Direct Pattern Syne Pattern Sync Setup External Prescaler internal Clack 200KHz 7 Clock Recover Clock Recover Outputs I one r DERNE None 7 Deinen Mode Shope Cato Nomal CH a Level Get ton Sls Enhanced Triggering a Pion Rreguency linggenna Gated Trigger Skew and Deskewing For fixture or DUT locations that do not support a cable attachment the acquisition deskew signal can be injected by a P8018 single en
15. Phase Ret Mask Preset TDR Step OnPFolanty On Units fied Ed Trig Cursor Meas Disp Help Help 81 Skew and Deskewing 82 4 Choose Autoset Properties from the Utilities dialog box to display the Autoset Properties dialog box Choose TDR Mode and clear the Display Incident Edge check box Perform an autoset by clicking the Autoset button in the dialog box then dismiss the dialog box a Given reasonably matched paths to the DUT both reflected edges should be displayed near the 3rd horizontal graticule If not increase the Horizontal Scale until both reflected edges are displayed on the screen b Adjust Horizontal Scale and Position if necessary such that the two reflected edges are visible and apart from each other in order to obtain good horizontal resolution A 10 to 1000 ps div horizontal scale is a typical target Click the Define Math button on the tool bar or press the Math button on the front panel to display the Define Math dialog box Create the following math expression using the buttons in the dialog box Filter C5 Set the Filter Risetime to a value that is less than half the risetime of the reflected TDR step Check the On box to display the math waveform Mode C Period C Edge C NAZ Eye C RZ Eve TOR Define Math Math waveform Cie M on Functions Intal Ex i j Num Awgs Options 7 Trigger IY Vertical Y Hori
16. The skew between signals presents a challenge to many measurements Verifying the amount of skew and deskewing when necessary keeps your skew errors in check and limits the undesirable influence of common mode signals on your measurements This section presents example setups and information about vertical calibration horizontal deskew and minimizing the effects of skew on your measurements Each example includes an illustration of the setup 80A05 CLOCK RECOVERY MODULE A 50 Q TERMINATION oe LOOSEN I 77 NN ON a 50 Q AC CO O 0 Oo oO soe LOOSEN A IN 50 IN OUT 50 Q OUT Bon 27 006 14V P P ELECTRICAL INPUT ELECTRICAL OUTPUT CLOCK OUTPUT Figure 1 80A05 module DSA8200 Quick Start User Manual 65 Using the 80A05 Electrical Clock Recovery Module Examples Clock Recovery Trigger on Recovered Clock 66 In this example the signal is connected to the 80A05 module The mainframe is set to trigger when the module delivers a recovered clock signal The connections for acquired signal s are not shown in the illustration 1 Set your mainframe trigger source to Clock Recovery for the channel that the 80A05 occupies H0 2 Attach the input signal cables to the 80A05 module inputs and terminate the signal outputs in 50 Q 000000000 00 D00 C oo 02 D0 3 The 80A05 can then deliver a recovered clock signal to the mainframe to be used for trigger
17. all vertical bandwidth and filter selections See page 25 Signal Path Compensation Use the following procedure to perform either compensation this procedure applies only to optical modules 1 Install at least one optical sampling module in the instrument to be dark level calibrated Set the acquisition system to run continuously 2 00 0 00 000 Oo0 CA GA oj oO C o aan oO o on on O 0028 00 VERTICAL 2 Use the Vertical buttons to select the channel to be compensated DSA8200 Quick Start User Manual 27 Optimizing Measurement Accuracy 28 3 From the application menu bar click Setup and then click Vertical To run the Dark Level compensation 4 In Vert Setup dialog box click the Dark Level button under Compensation Follow the instructions on screen Repeat steps 2 and 4 for any additional optical channels you want to compensate To run the User Wavelength Gain compensation for custom input signals 5 Attach an optical signal with a precisely known amount of optical power to the optical module input Use an independently calibrated average optical power meter to measure this power precisely Then connect the signal to the optical module using the same fiber cables File Edit View Setup Utilitie Applica kaa Pulse Amp m Compensate Dark Level User Wavelength Gain gt Vertical
18. ch us Ybdgjd ELX 3564 djdmd O jd ddjdm djdkddf pdhas fjs skdmd Imfk f kf vkf fkjvpo fjd p dfo sdekjg bn io jzkv lv lvm Pidm d ddn Ybdgjd ELX 3564 djdmd Gfm 3 fkfo Idm dd gpmnrbw dkjd djs sbs dkd If f seers 2x yd eap Eo BE e RR BIB cy Ener oe on ded ff kidsn sms her djkd dd Ujdk donnf Iflfm fkfo Idm dd gpmnrbw dkjd djs sbs dkd If f fkjdsmshd djkd dd O jd ddjdmdjdkddf pdhas fiskdmdmfk f kf vkf fkjvpo fid p dfo sdekjg bn io jzkv lv lvm O jd ddjdmdjdkddf pdhas fjskdmd Ujdnd pejfnm ELX 3564 Ujdk donnf Iflfm fkfo Idm dd gpmnrbw dkjd djs sbs dkd If f fkjdsmshd djkd dd O jd ddjdmdj dkddf pdhas fjskdmdmfk f kf vkf fkjvpo fjd p dfo sdekjg bn io jzkv lv lvm Pidm d ddn Ybdgjd ELX 3564 djdmd DSA8200 Quick Start User Manual 63 Analyzing Waveforms 64 DSA8200 Quick Start User Manual Using the 80A05 Electrical Clock Recovery Module Examples Using the 80A05 Electrical Clock Recovery Module Examples This section contains various ways to use an 80A05 Electrical Clock Recovery module with other optical and electrical sampling modules The 80A05 brings ease of use to sampling oscilloscopes by offering simple triggering on both single ended and differential electrical signals through its clock recovery The differential functionality in particular simplifies acquisitions that are otherwise difficult to accomplish The 80A05 can recover clock signals at most standard rates between 50 Mb s and 12 6 Gb s
19. direction the trigger slope When a trigger event occurs the instrument acquires one sample of the input signal When the next trigger event occurs the instrument acquires the next sample This process continues until the entire record is filled with acquired samples Without a trigger the instrument does not acquire any samples This behavior differs from that of real time acquisition systems which can acquire a complete waveform record from a single trigger event Trigger Type This instrument supports edge triggering only in which edge triggers gate a series of acquisitions The slope control determines whether the instrument recognizes the trigger point on the rising or the falling edge of a signal You can set the trigger slope from the toolbar at the top of the display or in the Trigger Setup dialog box The level contro determines where on that edge the trigger point occurs You can set the trigger level from the front panel with the Trigger LEVEL knob The slope and level controls apply only when the trigger source is set to External Direct using the TRIGGER DIRECT INPUT connector Trigger Modes The trigger modes control the behavior of the instrument when not triggered Normal mode sets the instrument to acquire a waveform only when triggered Normal mode does not acquire data if triggering stops the last waveform records acquired remains frozen on the display if the channels containing them are displayed If no last waveform ex
20. its trigger circuit after acquiring a sample Before rearming trigger circuitry cannot recognize when the next trigger conditions are satisfied and cannot generate the next trigger event When the instrument is triggering on undesired events you can adjust holdoff to obtain stable triggering Holdoff Holdoff Holdoff Trigger level iii Indicates trigger points Holdoff Holdoff Holdoff Holdoff Trigger level iii At the longer holdoff time for the top waveform triggering occurs at valid but undesired trigger events With a shorter holdoff set for the bottom waveform triggers all occur on the first pulse in the burst resulting in a stable display DSA8200 Quick Start User Manual 39 Triggers Setting Trigger Controls Nearly all trigger parameters are set in the Trigger Setup dialog window 1 Press the trigger MENU button to display TRIGGER the Trig Setup dialog box wim Database Hist Cursor Meas Menu Phase Ref Mask TDR Dip 2 Select a trigger source eae ae ae Tig e D 3 Select a trigger mode Auto or Normal T ngger Source amp Extemal Direct 4 Select the trigger slope C Pattern Syne Pattern Sync Setup C Extemal Prescaler 5 Select a trigger level Click Set to 50 a to automatically set the trigger level to C intemal Cock 200kHe X Patter Sne el Pyne 50 of the trigger signal amplitude C Clock Recovery F lala l l Clock Recovery Outputs 6 Set the trigger holdoff val
21. math waveform then close the dialog NOTE At this point you can dismiss the Ch5 display by pressing the CH button on the front panel and then press the 5 button 18 Clear Autoset Properties Mode Period i Edge C NRZ Eye C RZ Eve C TDR File Edit Wis Setup Fr Ft 2 Run Skop Define Math Math waveform Options 7 Trigger M Vertical MY Horizontal TOR Options T Display Incident Edge Autoset Close Help Math Expression Define Math button Utilities Appli mon Fiter C5 Furictions Intal itt Num Awgs ih B ackspace Vinal 2 Filter ee Filter Risetime 1 000ns El Filter Mode Centered a m Measurement Scalars Messe Meas Meas Meassh Meas Apply Cancel Help DSA8200 Quick Start User Manual 6 Display the Save Waveform s dialog box by choosing Save Waveform from the File menu Save M1 into R1 by clicking the Save button Click Close to dismiss the dialog box R1 will automatically be displayed 7 Connect your selected signal source to the channel 8 Display the Define Math dialog box and modify the math expression to use the channel Filter C6 You can use the Backspace button to edit the expression Click OK to apply the changes and dismiss the dialog box 9 From the Utilities menu select Autoset Properties to display the Autoset Propert
22. module 2 Overridden by upper module 3 S80E04 Brog 27 Mar 04 12 58 4 SoE d BIO 27 Mar 04 12 55 5 62 404 BOAO 27 Mar 04 12 58 B 62 404 Brog 27 Mar 04 12 58 7 8 Compensation Indicator Button iee I Display MW Animate C 27 Mar 04 12 58 27 Mar 04 12 58 D efine Autoset utoset Undo Autoset Aun Stop Default Setup Calibration Com pensat lori Diagnostics System Properties l larr Drakar Sea Recall Compensate Compensat and Save Pass 1 1 C Storage Pass 1 1 C f User Pass 0 86 C of Eteni Pass 0 8 C i E d siq e C Jcs 4 100 0mv el ov a4 main Q a 500 000ps aA 27 500n x dc 1 16 PM 372772004 DSA8200 Quick Start User Manual Optimizing Measurement Accuracy Perform Dark Level and User Wavelength Gain Compensations Performing a dark level compensation maximizes the accuracy of the extinction ratio and other optical automatic measurements you take Performing a User Wavelength Gain compensation optimizes an optical channel for your custom input signal NOTE Dark level compensation performs a subset of the module compensation process It is designed to be fast so it can be performed frequently just before measurements are taken This compensation is not saved and is only valid for the selected bandwidth or filter path and the internal optical power meter You should perform the procedure Signal Path Compensation to compensate
23. of local and remote environments and to share data with other commercially available analysis programs m Predefined built in masks in addition to the user defined masks A large 10 inch color display that supports color grading of waveform data to show sample density An intuitive user interface UI with built in online help 2 DSA8200 Quick Start User Manual Install Your Instrument Install Your Instrument Unpack the instrument and check that you received all items listed as Standard Accessories Recommended accessories and probes instrument options and upgrades are listed in the online help Check the Tektronix Web site www tektronix com for the most current information Standard Accessories Accessory DSA8200 Digital Serial Analyzer Quick Start User Manual Certificate of Traceable Calibration for product at initial shipment Business reply card Microsoft Windows compatible keyboard Microsoft Windows compatible mouse Instrument front cover Accessory pouch Touch screen styluses 2 ESD wrist strap with 6 foot coiled cord DSA8200 Product Documentation Kit CD DSA8200 Online Help part of application software DSA8200 Programmer Online Guide part of application software DSA8200 Product Software Kit DSA8200 Operating System Restore Kit Serial numbers B030000 and above 8000 Demo Applications Software CD Power cord DSA8200 Quick Start User Manual Tektronix part number 071 2047 xx Not orderable Not
24. or touch screen to select it m Push AUTOSET to quickly set up instrument parameters based on the input signal m Press Set to 50 in the Trigger controls if required to stabilize the display when using the Trigger Direct Input connector DSA8200 Quick Start User Manual 31 Acquisition Using Autoset Use Autoset to quickly and automatically set up the instrument vertical horizontal and trigger parameters based on the characteristics of the input signal 1 Push the AUTOSET button to execute an Autoset If you use Autoset when one or more channels are displayed the instrument uses the selected channel for horizontal ase scaling Vertically all channels in use are individually scaled Quick Tip m Use the Define Autoset in the Utilities menu to display and change the Autoset properties Using Default Setup 1 To quickly return to the factory default settings push DEFAULT SETUP D DEFAULT SETUP 2 Click Yes to restore the settings N Loading the default setup will replace the current setup Continue es No 32 DSA8200 Quick Start User Manual Acquisition Accessing the Setup Dialog Boxes 1 You can access the Setup dialog boxes by using the front panel buttons the file menu or the toolbar SETUP DIALOGS VERTICAL ACQUISITION AORIZONTAL TRIGGER MENU MENU MENU o __ o _ eo File Ed Wien Setup Utilities Appli
25. point offset voltage noise margin signal amplitude and switching point In this case the probe introduces errors in the measurements it is being used to take The probe can change circuit behavior or even cause the circuit to stop working When using differential probes you should use a matched set of coaxial cables Figure 2 P6150 Probe DSA8200 Quick Start User Manual 69 Using the 80A05 Electrical Clock Recovery Module Examples Probing with Differential to Single Ended Probes The popular P7380 series TekConnect probes can be used with 80A03 TekConnect adaptor The P7380 offers two outputs one on the TekConnect connector and another on an SMA on the probe body Ifthe signal captured by the probe is to be used for both clock recovery and acquisition we recommend using the signal from the SMA on the probe body for the clock recovery task Connect the probe body SMA to the 80A05 input The acquisition path uses the TekConnect signal 80E0X module 80A05 module Data input SMA cable el 6 En DualSMA Aux Out P7380 Circuit under test cables Figure 3 Differential to single ended probes setup example 70 DSA8200 Quick Start User Manual Using the 80A05 Electrical Clock Recovery Module Examples Vertical Gain Adjustment lf the signal is passing through the Input of the 80A05 module it might be necessary to adjust the signal for accurate Vertical Scale The built in calibration voltage attribute of the
26. 05 or the connecting cables will be accounted for by the deskew procedure DSA8200 Quick Start User Manual 73 Skew and Deskewing Instrument Instrument Instrument Reference plane at instrument inputs Reference plane at DUT Reference se plane at DUT within fixture DUT Fixture Figure 4 Schematic diagram of reference planes in relation to signal Acquisition Deskew Signal Sources There are three possible signals that may be used as a source to be connected to or injected into the reference plane m A TDR step from an extra unused TDR capable module channel recommended source A stable fast edge low repetition rate signal that is synchronous to an external trigger source The Internal Clock Output from the instrument front panel The TDR step source is preferred because it provides a fast stable edge at a low repetition rate that is ideal for deskewing signal paths The low repetition rate signal should have a repetition rate much lower than the amount of skew that needs to be removed so that the relative skew between signals can be correctly determined Following are three procedures to set up your instrument in preparation for performing an Acquisition Deskew Choose the procedure related to the signal source you are using 74 DSA8200 Quick Start User Manual TDR Step Source 1 Display the TDR setup dialog box by selecting TDR from the Setup menu 2 Turn on the step by clicking th
27. 1mWV j i Median 42 50mW Std Dev 146 Sri Oe ee Per en A PR Pk 442 5mW lg 53 8 ptg 100 0 peso 100 0 bs os Ok wee hd APRS ST S265 Hits 690208 eivfins 8384 Jc fioo Orn ee main q a o00ps T 500n DS 3 57 Ph 3 26 2004 DSA8200 Quick Start User Manual Analyzing Waveforms Document Your Results This instrument can save any number of waveforms limited only by the space you have to store them By saving a waveform you can recall it at a later time for comparison evaluation and documentation This capability is helpful when you want to Recall a waveform for further evaluation or comparison with other waveforms m Extend the waveform carrying capacity of the instrument The instrument supports eight reference eight channel and eight math waveforms If you want more than eight reference waveforms you can save the additional reference waveforms to disk for recall later 1 To Save a setup or a waveform click ie Save Setup or Save Waveform in the Sa un F File menu Save Setup s DE Save Waweform 2 To export waveform data click Export Recall Setup Waveform in the File menu Recall Waveform Export Waveform Import Custom Mask Print Ctrl P Page Setup Recent Hile Exit 206558 0 131347 0 150097 0 194566 0 198260 0 199145 0 199192 0 199577 0 199550 0 199479 0 199614 01997085 O 199651 0 198742 0 129782 0 200030 0 1996
28. 3 inputs using a matched set of coaxial cables 2 Connect the output of the DUT to the 80A05 inputs using another set of matched coaxial cables This differential setup may require deskewing before measuring signals RB from your device under test DUT See page 72 Skew and Deskewing e O La 80E03 sampling module Input signals from DUT 80A05 module 68 DSA8200 Quick Start User Manual Using the 80A05 Electrical Clock Recovery Module Examples Probing with Low Impedance Probes Low impedance probes also called ZO probes or controlled impedance probes are passive probes that have very low input Capacitance and low input resistance These probes are a useful choice for some applications However because the input resistance on these probes is low they can cause measurement errors Passive probes such as the P6150 Probe with 10X probe tip and the P8018 Handheld TDR Probe when used with good quality cables can typically probe systems approaching 20 GHz In particular the bandwidth of the P6150 Probe is greatly improved by using a very short high speed cable When debugging or characterizing a functioning circuit a controlled impedance probe will drain current from the DUT When the in circuit source impedance is not small compared to the probe impedance typically 500 for 10X this current can be appreciable and impact important parameters such as bias
29. 7 Mechanical specifications 4 Menu bar 17 Mode trigger 37 N Normal trigger mode 37 Normal display style 35 O Online help 20 displaying control descriptions 20 displaying overviews 22 using the finder 22 Operating specifications 4 Operating system restore 86 88 p Pattern Sync trigger source 38 Phase correction 60 61 input frequency 60 Phase reference 60 Power supply specifications 4 Print 63 90 Procedure to compensate the instrument and modules 25 to localize a measurement 46 to perform acquisition deskew 78 to perform dark level and user wavelength gain compensations 27 to perform TDR step deskew 81 to set acquisition modes 34 to set up the signal input 30 R Readout bar 17 Readouts display 17 Rear panel connectors 16 17 Related documentation x Restore instrument how to 86 88 S Safety Summary iii Save setup 63 waveform 63 Serial mask testing 54 Setup save 63 Setup boxes 33 Show vectors 35 Signal communication 53 Sin x x interpolation 35 Single sequence 34 Skew 72 adjusting 72 Slope trigger 37 Sources trigger 37 Specifications environmental 4 input connectors 4 mechanical 4 operating 4 power supply 4 Spread Spectrum Clocking 60 SSC 60 Start an acquisition 34 Statistics histogram 62 Status bar 17 Stop an acquisition 34 gt TDR 58 Temperature compensation 25 Tool bar 17 Trigger clock recov
30. DSA8200 Digital Serial Analyzer Quick Start User Manual LAMINA AANA ON OUTI TUO AAT AUNNANN IN Tektronix 071 2047 06 7 DSA8200 Digital Serial Analyzer Quick Start User Manual www tektronix com Tektronix 071 2047 06 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 TEKPROBE and FrameScan are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14200 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 tektronix com to find contacts in your area Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective p
31. H button turns amber to assign the waveform buttons 1 8 to operate on channel waveforms then select the proper waveform button A waveform button lights when its channel is on when on but not selected its button is lighted green when on and selected its button is lighted amber Pushing the MATH button assigns the waveform buttons to math waveforms If no math waveforms are defined the Define Math dialog box appears Push the REF button to assign the waveform buttons to reference waveforms If no reference waveforms are defined the Recall Waveform dialog box appears ao 000000009 GQ 000 Oog 00 DSA8200 Quick Start User Manual Acquisition 4 Use the Vertical Offset knob to adjust VERTICAL Offset vertically the selected waveform on the screen Use the Vertical Scale and Position knobs to adjust the display ZI OFFSET x A C3 Positioned vertically SCALE E Scaled vertically 1 gt 5 Push the View Main button to make HORIZONTAL Scaled horizontally sure that the main time base view is menu m selected Use horizontal knobs to scale vew A POSTON ATTN and position the waveform on the screen MAR Ali TEN and to set sample resolution Quick Tips m You can click a waveform trace or its reference indicator with the mouse pointer
32. Setups l m Stop After Aun Stop Button Only e C Condition n umber of Acquisitions Ti 1 Stop Action Filename Q Ring Bell Help DSA8200 Quick Start User Manual 8 9 Press RUN STOP to start the acquisition Press RUN STOP again to stop the acquisition Quick Tips Run Stop is available on both the front panel and the touch screen ACQUISITION m sen CLEAR RUN DATA STOP Acquisition If Stop After is set to Condition pressing RUN STOP causes only one acquisition to run if the original condition has been met You need to press CLEAR DATA so that the condition must be met again Setting the Display Style 1 Select Disp to start setting the display styles Choose a display style Normal selects a display with no acquisition data persistence Waveforms are displayed with the new data from ongoing acquisitions replacing data acquired from previous acquisitions Show Vectors turns on display lines between waveform dots deselect to display only dots Select an Interpolation mode from the pulldown list m Sin x x interpolation computes record points using a curve fit between the acquired samples Linear interpolation computes record points between actual acquired samples by using a straight line fit Variable Persistence makes data persist for a specified time New waveform displays accumulate data as new waveform records acquire
33. User Manual Compliance Information Compliance Information This section lists the EMC electromagnetic compliance safety and environmental standards with which the instrument complies EMC Compliance EC Declaration of Conformity EMC Meets intent of Directive 2004 108 EC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61326 1 2006 EN 61326 2 1 2006 EMC requirements for electrical equipment for measurement control and laboratory use 1236 CISPR 11 2003 Radiated and conducted emissions Group 1 Class A m IEC 61000 4 2 2001 Electrostatic discharge immunity IEC 61000 4 3 2002 RF electromagnetic field immunity 4 m IEC 61000 4 4 2004 Electrical fast transient burst immunity IEC 61000 4 5 2001 Power line surge immunity IEC 61000 4 6 2003 Conducted RF immunity EC 61000 4 11 2004 Voltage dips and interruptions immunity 5 EN 61000 3 2 2006 AC power line harmonic emissions EN 61000 3 3 1995 Voltage changes fluctuations and flicker European Contact Tektronix UK Ltd Western Peninsula Western Road Bracknell RG12 1RF United Kingdom 1 This product is intended for use in nonresidential areas only Use in residential areas may cause electromagnetic interference 2 Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object 3 To ensure co
34. ach grading partition Select one of the four grading methods If you selected one of the two Emphasized grading methods slide the Emphasize Counts percentage control to specify the range of counts you want emphasized Quick Tip Certain measurements require the use of a waveform database and automatically set the measurement system to use a waveform database if available Infinite WR gt Variable x ____ Aug Trig Tus Database wimDe 1 gt Y On 7 Display Sues i l Q Manl3 Clear Data m Persistence 1 2000 Waveforms foo aH Samples i Display Options Color C Intensity Invert Il PhaseRef Mask TDA Disp Vert Harz e wfm Database Hist l DSA8200 Quick Start User Manual Analyzing Waveforms Display aCommunication Signal 1 Carefully install the sampling module in gen the instrument See page 6 Installing Modules Also read the user manual for your specific module 2 Connect signals to your sampling module CAUTION Always observe static safe S procedures and cautions as outlined in O your sampling module user manual when P O connecting signals 5 O O O Trigger D 3 Select the channel that you want to display in the Mask setup dialog box G0 0 U 00 0 950 000 Oo0 000000009 00 O0o0200 Se
35. ation dialog box click Yes to restore the instrument operating system or No to exit the restore process The restore process takes approximately 30 minutes the actual time depends on the instrument configuration DSA8200 Quick Start User Manual 87 Restoring the Operating System Create Restore CD ROMs Serial Numbers B020551 to B029999 88 Instruments with serial numbers B020551 and above did not ship with operating system restore CD ROMs Use the following procedure to create a set of CD ROMs that enable you to restore the operating system if the need arises NOTE Restoring from a set of CD ROMs is necessary in the event of a complete hard disk failure The typical restore process is performed from the instrument hard disk Prerequisites Blank CD R discs about 5 the exact number depends on the number of backup files to create a set of bootable CD Roms 1 Open the Windows My Computer 2 Navigate to C backup This folder contains a set of disk image files e g backup1 iso backup2 iso 3 Copy the disk image files iso for backup purposes using one of these methods Copy the image files to blank CD R discs using the Windows built in utility to copy files to the DVD CD RW Drive Copy the image files to a network location a separate hard disk or a USB flash drive To create a set of restore discs 4 Once the disk image files have been copied you can create burn a set of bootable CD ROMs using a 3rd party utili
36. ation requiring that the Set source to External Direct or External Prescaler as appropriate Use a signal input signal provide the trigger splitter or power divider to couple to both the Ext Direct or Prescaler input and the input channel so that the sampled signal is also the trigger signal Any application requiring that you Set source to External Direct and use a Tektronix probe probe the trigger source Any application requiring that you Set source to External Direct select Gated Trigger and use a TTL connection to perform special measurements trigger gate using gated trigger Trigger Source Connectors External triggers can be connected to either the TRIGGER DIRECT INPUT or TRIGGER PRESCALE INPUT connectors on the front panel Signals connected to the PRESCALE connector are divided by eight and then fed to the trigger circuits Signals connected to the DIRECT connector are fed directly to the trigger circuitry The signal is DC coupled and can be up to 3 0 GHz When using a given trigger source disconnect any other trigger source from the front panel to ensure specified performance Specifically Do not connect a signal to the TRIGGER DIRECT or TRIGGER PRESCALE front panel connector unless you have selected that input as the trigger source in the Trigger setup dialog box Do not connect a signal to the External 10 MHz Reference front panel connector unless you have selected that input as the timebase mode in the Horizontal setup
37. but with continuous replacement of the oldest data Set a time at which the oldest data is removed DSA8200 Quick Start User Manual Setups 71x hn Database Hist Cursor Meas Vert Horz Acq Trig Phase Ref Mask TOR Dispo Style Mormal Interpolation Sims F C VWanable Persistence Time aH C Infinite Persistence 1 35 Acquisition 36 Infinite Persistence makes data persist until you change some control or explicitly clear the data Waveform displays accumulate data as the instrument acquires new data resulting in a buildup of data in all time slots Use the Graticule settings to select the graticule style and the graticule color and screen background r Graticule style Full Background C Foreground zl DSA8200 Quick Start User Manual Triggers Triggers This section contains concepts and procedures for using the trigger system Detailed information is available in the online help Triggering Concepts Trigger Event When a trigger event occurs the instrument acquires a sample in the process of building a waveform record The trigger event establishes the time zero point in the waveform record and all samples are measured with respect to that event The trigger event starts waveform acquisition A trigger event occurs when the trigger source the signal that the trigger circuit monitors passes through a specified voltage level in a specified
38. ca 39 A A BE Horizontal Pulse ra Acquire Trigger Measurement Mask Display Histogram Cursors Wim Database TOR Phase Reference 2 Click on the tabs to select among the Setup setup dialog boxes rhase Ref Mask TDR Dis Vert Harz Acq Trg wim Database Hist DSA8200 Quick Start User Manual 33 Acquisition Changing the Acquisition Mode 34 Use the procedure that follows to set the data acquisition mode and specify acquisition start and stop methods 1 Press the Acquisition MENU button to display the Acq Setup dialog box Select the acquisition mode For Average mode enter the number of samples to average Set the Stop After mode and action by selecting one of the following options Run Stop Button Only Condition If you selected Condition choose a condition to stop on from the drop down list If the condition requires a count enter a count Select a Stop Action action from the drop down list Choose from the following actions E None Print Screen to File Print Screen to Printer E Save all Waveforms Enter a filename if you selected Print to File or Save all Waveforms Select Ring Bell if you want an audio notice when the acquisition stops oe ACQUISITION MENU PhaseRef Mask TDA Dip wm Database Hist Cursor Meas Vert Horz Acq Trig Acquisition Mode e Sane PL Average O Envelope Alpe
39. clock output USB port nm m N gt m e P m Control panel CDRW DVD drive nn nn DSA8200 Quick Start User Manual 13 Getting Acquainted with Your Instrument Control Panel 14 4 SETUP BSR 67 PRINT SETUI EEN DAN aS e DD O o di or ar Er a VERTICAL ome ACQUK ITION mm mm HORIZONTAL TRIGGER cB uw mw ZS POSITION POSITION gt O RESOLUTION READY A C3 TRIC D CREASE SCALE gt amp c Access print dialog box for printing the display Optimize instrument settings for selected channels Quickly return to instrument default control settings Display measurement cursors and assign the knob and SELECT buttons to control them Menu buttons quickly access the setup dialog box for more detailed setup Clear all channel waveforms at once Adjust most control fields in setup dialogs Press the SELECT button to switch among fields Press the FINE button to toggle between normal and fine adjustment Start and stop acquisition Display the cluster of Setup dialog boxes for comprehensive setup of the instrument Toggle the touch screen on and off Use the touch screen to control Ul when you have not installed a mouse Select a waveform type Channel Reference or Math to display or adjust on screen selected button lights Select among displayed waveforms or display and select a waveform Press selected waveform to t
40. cs 5 Right click on any measurement readout to display its context menu Select Show Statistics to display measurement statistics in the measurement readout To show annotations 7 10 Right click on any measurement readout to display its context menu Select Show Annotations to display annotations that indicate which portion of the waveform is being measured as well as reference levels for the measurement Note the portion of the waveform being measured Note the reference levels for the measurement Show Annotations r 23 100 0m wdi Show Statistics Measurement Rise c3 A 216 17 15ps PhaseRef C5_ C6 Off i 23 100 0m div Measurement Rise c3 N 221 4202ps DSA8200 Quick Start User Manual Analyzing Waveforms To measure a waveform database 11 From the application menu bar select Li el Oz C Il Setup and then select Meas 3 Wim Database Hist Cursor Meas In the Meas Setup dialog box make I On pem sure the measurement one of Meas 1 Mess fr through Meas 8 is selected Select Meas C5 Frequency Value 103 648772405510 MHz Show Stats Clear Stat 2 12 In the Source tab check the Use Wfm Database option Source Source Set to Defaut ONCE Fiecion HiLow RefLevel mancs z Use Win Database Clear Signal Type Pulse en 7 Statistics Weighting j2 HH M
41. d module s to reach a stable equilibrium normally 20 minutes Then run Compensation from the Utilities menu This ensures the instrument meets the published specifications You must save the compensation results or they will be lost when the instrument is powered down Signal Path Compensation This procedure compensates the signal path of each installed module for the current temperature to enhance measurement results Use this procedure for any of the following conditions A module has been added to the instrument an extender cable has been added or removed from a module or a module has been moved to another compartment m The temperature has changed more than 5 C since the last signal path compensation When making measurements at vertical scale settings less than or equal to 5 mV div perform the signal path compensation once a week Failure to do so may result in the instrument not meeting warranted performance levels at those volts div settings 1 Install all modules to be compensated 2 Install all terminations and dustcovers 2 co i l Cr tt CI C Failure to install the 50 Q terminations ee on electrical inputs can yield erroneous a A compensation failures or results 3 Power on the instrument and wait 20 minutes for the warm up period DSA8200 Quick Start User Manual 25 Optimizing Measurement Accuracy 4 10 11 26 Select Compensation I
42. ded TDR probe DSA8200 Quick Start User Manual 11 Skew and Deskewing Acquisition Deskew Procedure The following procedure outlines a method to deskew a single differential or common mode system one signal pair The procedure can be extended to additional signal pairs as needed This method time aligns the acquisition system such that the data is acquired simultaneously at the selected reference plane The procedure accounts for delay mismatches between the differential signal lines from the reference plane to the acquisition inputs In this procedure we will use Chd as the channel and Ch6 as the channel 1 Using the previous discussions on deskew signal types and reference planes inject your selected source signal at the selected reference plane for the channel Turn Ch5 on 2 From the Utilities menu select Autoset Properties to display the Autoset Properties dialog box Choose Edge Mode then click the Autoset button to autoset the signal Click Close to close the dialog box 3 Turn on acquisition averaging by clicking on the Acg Mode drop down control and choose Average 4 Click the Define Math button on the tool bar or press the Math button on the front panel to display the Define Math dialog box 5 Create the following math expression using the buttons in the dialog Filter C5 Set the Filter Risetime to a value that is less than half the risetime of the source signal Check the On box to display the
43. dialog box DSA8200 Quick Start User Manual Triggers Gated Trigger Connector Option GT Equipped You can attach a BNC cable to the External Gate input at the rear panel TTL connection to selectively exclude data from acquisition by means of gating the trigger on and off Several conditions must be met to get a stable display of waveform data m The channel and trigger must be otherwise triggerable without the trigger gate m The gating signal must be at a TTL high m The triggering system must be enabled Enhanced Triggering These features can help stabilize triggering and perform special measurements High Frequency Triggering High Frequency triggering increases trigger sensitivity of the trigger circuit by decreasing hysteresis a transition or noise band which allows triggering on higher frequency signals Gated Triggering Gated triggering takes the trigger and the External Gate input and applies them to the instrument through what is in effect an AND function Gated triggering can be used for applications such as simulations of undersea communication fibers where test fixtures are used to repeat the test signal through a short loop of cable to simulate traveling longer distances The trigger gate can be used to ignore triggers until the signal has traversed the loop many times Trigger Holdoff Trigger holdoff can help stabilize triggering When you adjust holdoff the instrument changes the time it waits before rearming
44. e sat esha alee if alale an 7 RUSTED ca Mode wwerage Trig Int mal Clock 200kHz App he Pulse BES Fare je Amoitude Kann En ans LE LE __ L j mjg i i F er 100 0m rev l E a zei l i EEE _ Cursors hin CH Ok e ii ea a E ee h a G fiecmais Sae wai er of t1 9 938435 t2 13 9818 it 4040s Tat 247 5KH2 Send To Back alr Grade Properties e cs 18mW F 2 548m r E N F 300ps E mH 21 1891 Heg cl 3 27 PM 2 9 2004 1 Drag the Horizontal Reference to move the point around which the horizontal scaling expands and contracts the waveforms Drag cursors to measure waveforms on screen Drag the waveform icon vertically to position waveform Right click on a waveform or its icon for access to often used setup controls and properties Drag ground reference icon to add offset to a waveform a m e P m Drag across the waveform area to zoom the boxed waveform segment to full screen width DSA8200 Quick Start User Manual 19 Getting Acquainted with Your Instrument Display Multiple Views File Edit View File Edit View Setup Utilities Appl Utilities Appli ations Help Triggered Tektronix xl FEB Fe bAi gt Es cg Mode Average a Trig Intemal Clach x 200kHz App ne aa e ee IT 7 am ad AOL Fe A aa S FOS dm Waveform C3 20 00m vai
45. e 8 Changing the Windows Language ccccccccc cece cece nee e ceed ene Eee n EEE DEAE EDDA E SEES EE ESE SEED EE ESSE EE EEE EE SEES 10 Getting Acquainted with Your INStrUMeNt 0 ccc cece cece cence eee eee ene een eE EEE EEE ERE E SEES SESE EE ESSE EERE ESSE EEE SEES 13 FORE Deere ee 13 COOL Fe AN ee en ea ee atten ee er ee re 14 BOI PA Ela ee ee een ee Nee 16 BOMDUIERU OP aN eare er 17 ONO O eco EEE NE E T ae spore T wre a ae sem NEUN E EL BERATEN ae EEE NER RO NER ie E 17 Display Single Graticule View 2e222sssssseensneenennennnnnenennenennnnnnnnnnennennnnnnnennennnnenennennsnnennnnennnn 19 Display Multiple Views ae en ererenene 20 ACCESSINOONINE Henne ee ee nee 20 IH DEEL I OUF INS LUMEN ee ee ea ee ee er 23 Verify Internal Diagnostics Pass un ae en 23 Optimizing Measurement AccurakV nuene een 25 Signal Path OMS CISA OR ze a re ee ae 25 Perform Dark Level and User Wavelength Gain Compensations cccccce cece seca teense seats eeeeeeeeeeeeenn ees 27 PAC GUMS HOT een ee ee Beeren ee 30 Seting U B SORSHDBU re een ee een ee 30 USING PUNO O nn cose ne oa whee E A ee ee ne ee 32 U EIAGDETAUE SE LA eea ee ee een 32 Accessing the Setup Dialog Boxes 222s222ssnnseennennenennnennnnnnennennnnnenennenennnennnnenensennsnnenennenenn 33 Changing the Acquisition Mode ee baladen diene teacorehiweadadeerdeawusies 34 Setting the Display Sle sieneen Tee ee ee 35 NUE ee en E E ee ee E 37 Triggeri
46. e Preset button for the source channel This will turn on the step and set other scope parameters such as trigger source in preparation for making measurements NOTE Use only the rising edge polarity Autoset in this mode will not find a negative going edge 3 Turn off the display of the channel by unchecking the ACQ On box for the source channel This channel does not need to be displayed 4 Connect a cable or TDR probe to the source channel to use for injecting the TDR step signal into the reference plane DSA8200 Quick Start User Manual Setups ki Ei Vert Horz Acd Trig Wim Database Hist Cursor Meas Phase Ref Mask TDR Disp Preset TDR Step ACE OnFolanty Orn Units m E mar 0 008 1 00 BH at al Steps TOR Autoset Help Properties z Help Skew and Deskewing 15 Skew and Deskewing 76 External Signal 1 Set the trigger source to External Direct or External Prescaler as appropriate for the bandwidth of the trigger signal Connect the trigger signal to the appropriate mainframe input TRIGGER DIRECT INPUT or TRIGGER PRESCALE INPUT Connect a cable or TDR probe to the low repetition source signal that is synchronous with the trigger signal to use for injecting the signal into the reference plane Setups ed Ed rn Database Hist Cursor Mess Phase Ref Mask TDR Dip Vert Harz Acq Trig Trigger Sounge External Direct Pattern Syne
47. ed CH 1 CH 2 CH3 CH 4 CHO CH 6 CH7 CH 8 N A N A N A N A Seven channels One large module installed in CH3 compartment and three small CH1 module not installed CH3 module installed modules CH3 CH4 CH 1 CH 2 NA NA CH5 CH 6 CH 7 CH 8 Seven channels One large module installed l i in CH1 compartment and three small CH1 module installed CH3 module not installed modules CH1 CH2 NA NA CH 3 CH 4 CHO CH6 CH 7 CH 8 6 DSA8200 Quick Start User Manual Install Your Instrument Powering the Instrument On and Off 1 Insert AC power cord 2 Toggle the mains switch to on 3 Use the front panel power button to switch the instrument on and off 00 o on HO 000 FO 000000009 OY Bere ei Quick Tip m When turning off the instrument Microsoft Windows and all applications automatically shut down before the instrument powers off N CAUTION To prevent damaging the modules do not install or remove any modules while the instrument is powered on DSA8200 Quick Start User Manual 7 Install Your Instrument Adding a Second Monitor You can operate the instrument while using Microsoft Windows and installed applications on an external monitor Use the Settings tab in the Windows Display Properties dialog box to set up a dual monitor configuration Both the oscilloscope and the second monitor must have the color setting set to True Color 1 Power off the i
48. eeeeeneeeeeeeeeanegs 70 Verllcal Galn US WNSIN rue seen 71 Skew eal CI SS KC WING a ee er ee ee 72 MEIhods 10 ACIUSE SKEW cetonio sneka AE lassen ser acueosaasuenaaus 72 Setup GonsIderalionssand Pfocedutes anna tee aa een in 73 Acquisition Deskew Procedure 41 10 0 a ne en nee 18 TOR SIC DESKEW Piocedlier nennen 81 Cleaning Ne INS TUM NIG Re REES TA 85 EXEnor Ceann ae a a a a eT ene ne a ee Sen er errr 85 Flat Panel ISP ay Cle AI MING ass ee ee ee ee 85 Optical Connecter Cleaning isc 23 2 ns aeniea des aa a essen 85 Restonng he Operating SVsiem rasen ee ebene 86 Restoring the Operating System with Restore Discs 2222 22ssssnsseseenesennnnensnnennnennennnnnnennnnenen nenn 87 Restoring the Operating System from the Instrument Hard Disk Drive SN B020551 through B029999 87 Create Restore CD ROMs Serial Numbers B020551 to B029999 cece ccc cece eee ee eee e ee eeee ee eeeeeeae nenn 88 Index DSA8200 Quick Start User Manual General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures While using this product you may need to access other parts of a larger system Read the safety sections of the other component manuals for warnings and cautions related to operat
49. epend on the sampling module used for example either 622 Mbps OC 12 STM 4 standards or 2 488 Gbps OC 48 STM 16 standards for the 80C01 CR Optical Sampling Module A pattern frame trigger provided by a PatternSync trigger module such as the 80A06 PatternSync Trigger Module The output of the pattern sync trigger module must be connected to the EXTERNAL DIRECT TRIGGER INPUT connector on the front panel Use a trigger source that is synchronized with the signal you are sampling and displaying Selection of your trigger source depends on your application as shown in the following table Table 1 Application based triggering Application Source to use Communications optical serial Set source to Clock Recovery set the clock recovery type and use an optical NRZ data signals Sampling module equipped with a clock recovery option supporting the specific data rate of the serial optical signal The available clock recovery rates depend on which sampling module is installed TDR measurement using an Set source to Internal Clock to use the internal clock of the instrument TDR clock electrical sampling module and select the appropriate clock frequency Disconnect any signal connected to the equipped with TDR External 10 MHz Reference Input when using the Internal clock Measurements on systems with a Set source to External Direct or External Prescaler as appropriate and connect the synchronized pretrigger signal pretrigger signal Any applic
50. er 20 of the eye to align the input signal to the NRZ mask Mode sets the Mask Autoset to use the High level topline and Low level baseline taken across one unit interval of the eye diagram to align the input signal to the NRZ mask To set a Stop Action Setups EW 8 Click Acq in the Setup menu Asia Ess TDR Disp fm Lac 28e8 Hist Lursor Meas Wert Horz Acq Trig 9 In the Acq Setup dialog box check the Stop After Condition option under Stop After Run Stop Button Only 10 In the Condition pulldown list select Q 6 Condition a mask related criteria such as Mask Mask Total Hits 40 Total Hits and set a count such as 1 in the count box These settings stop acquisition when Stop Action mask violations satisfy the criteria you Noe ff set Filename 7 Ring Bel 11 Push the RUN STOP button to restart ACQUISITION acquisition if stopped DSA8200 Quick Start User Manual 55 Analyzing Waveforms ACQUISITION To restart testing 12 To restart after a Stop After condition occurs push the front panel CLEAR DATA button Main E a Y Ena Comm Standard um hersemen 13 Read the mask hits count in the readout Fie Edi View Selup Utes Appleone Heb E2 Warelans _HIEKTeIH S65772a 760 tronic Il ajz fre v Mu al Fiun Stop Aca hode Sample z Trig Extemal Diest r Fuse T fAmpitude 7 m in an a SANE 3
51. ery source 38 concepts 37 connector 38 edge 37 event 3 external direct connector 37 38 external prescale connector 38 frame 38 level 37 main level knob 37 modes 37 pattern sync 38 slope 37 sources 37 type 37 Trigger inputs usage limitations 38 Trigger source usage limitations 38 Triggering gated 39 high frequency 39 holdoff 39 U User interface 17 User wavelength compensation how to perform 27 V V Bars cursor 48 Variable Persistence 35 Vertical set up procedure 30 View main amp mag 20 DSA8200 Quick Start User Manual Index W Waveform display style 35 export 63 save 63 Waveform bar 17 Waveform cursors 48 49 DSA8200 Quick Start User Manual 91
52. eskew 72 acquisition deskew 78 reference plane 73 signal sources 74 TDR step 81 Diagnostics 23 Dimensions 4 Display map main amp mag views 20 map main view 19 Display map 19 Display style normal 35 show vectors 35 Document results 63 Documentation x Dual monitor 8 E Enable histogram 61 Environmental specifications 4 Environmental considerations ix Export waveform 63 Extended desktop 8 F Features 1 Flat panel display cleaning 85 Frame trigger 38 Frame Scan 57 Front panel connectors 13 Index G Gated trigger 39 Graticule color 36 style 36 H H Bars cursor 48 High frequency triggering 39 Histogram enable 61 Statistics 62 Histograms 61 Holdoff triggering 39 Horizontal set up procedure 30 Incoming inspection 23 Input connectors specifications 4 Input frequency 60 Inspection and cleaning flat panel display 85 Installation 3 Installing modules 6 Instrument cleaning 85 restore 86 88 Interface map 17 K Key features 1 Knob trigger main level 37 L Language changing 10 Level trigger 37 Linear interpolation 35 89 Index Map waveform display 19 Mask testing 54 autoset to a mask 55 Stopping acquisition based on 59 Math editor 50 waveform 50 Measurement accuracy optimizing 25 Measurement bar 17 Measurement readouts 17 Measurements 43 cursor 48 how to localize gates 46 turning off 4
53. f instrument and modules manuals Product software CD www tektronix com manuals X DSA8200 Quick Start User Manual Preface Conventions Used in this Manual The following icons are used throughout this manual Rear panel Front panel Connect Network PS2 SVGA USB power power power DSA8200 Quick Start User Manual Xi Preface xii DSA8200 Quick Start User Manual Key Features Key Features The DSA3200 Digital Serial Analyzer is a high speed precision sampling system that finds use in validation and conformance testing and impedance verification for High performance semiconductor computer applications such as semiconductor testing TDR characterization of circuit boards IC packages and cables and high speed serial digital data communications High performance communications applications such as design evaluation and manufacturing test of datacom and telecom components transceiver subassemblies and transmission systems The instrument includes a user interface that runs on the Microsoft Windows XP Professional operating system as a windowed application You operate the instrument using front panel controls with the mouse and keyboard or with the touch screen Features Include Industry leading waveform acquisition and measurement rate with Sample Envelope and Average acquisition modes Support for up to six sampling modules two large and four small modules Up to eight inputs can be active at a time Support
54. for integrated optical and or electrical signal pick off and clock recovery enabling accurate triggering on optical and or electrical communication signals Support for optical modules with several integrated selectable reference receivers which eliminates the need for a multitude of add on reference receivers Full programmability with an extensive GPIB command set and a message based interface True differential TDR with fast step 15 psec reflected risetime when used with a TDR capable 80E10 sampling module Industry leading trigger bandwidth 12 GHz when using the built in prescaler Support of both telecom SONET and SDH and datacom Fibre Channel Infiniband and Gigabit Ethernet optical communication standards Powerful built in measurement capability including histograms mask testing and automatic measurements Automatic measurements operate on Pulses RZ eye patterns and NRZ eye patterns DC to 65 GHz optical bandwidth DC to 70 GHz electrical bandwidth with up to 12 5 GHz triggering Bandwidth is determined by the capabilities of the installed modules Low jitter 200 fs typical in phase reference modes with the 82A04 Phase Reference module FrameScan acquisition for isolating data dependent failures during conformance performance testing and for examining very low level repetitive signals Pattern frame triggering with the 80A06 PatternSync Trigger module Jitter Noise and BER analysis with the 80SJNB Essentia
55. g standard in accordance with ACMA m CISPR 11 2003 Radiated and Conducted Emissions Group 1 Class A in accordance with EN 61326 1 2006 and EN 61326 2 1 2006 vi DSA8200 Quick Start User Manual Compliance Information Safety Compliance EC Declaration of Conformity Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 2006 95 EC EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use U S Nationally Recognized Testing Laboratory Listing UL 3111 1 First Edition 21 Amendment Standard for electrical measuring and test equipment Canadian Certification CAN CSA C22 2 No 61010 1 97 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 Additional Compliances m EC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Equipment Type Test and measuring equipment Safety Class Class 1 grounded product Pollution Degree Description A measure of the contaminants that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated m Pollution Degree 1 No pollution or only dry nonconductive pollu
56. gory For measurements performed on circuits not directly connected to MAINS Overvoltage Category Overvoltage Category II as defined in IEC 61010 1 DSA8200 Quick Start User Manual Compliance Information Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Handling Observe the following guidelines when recycling an instrument or component Equipment Recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most ofthe materials are reused or recycled appropriately This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002 96 EC and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information about recycling options check the Support Service section of the Tektronix Web site www tektronix com Mercury Notification This product uses an LCD backlight lamp that contains mercury Disposal may be regulated due to environmental considerations Please contact your local authorities or withi
57. hen the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W2 145AUG04 Table of Contents Table of Contents General Safely SUMMANY ee es en en reiner erstere il NAN AN OI a OB ee V ENG CODE Tree V Sey GC OIDI ANGE en ee F EEO EEEE ee re vii Environmental Considerations een ee ee IX FTA ee Re ee ee EE E E T E N X DOES AN ee asinna a nti Snead AE ete wl EEE r ee X Conventions Used in this Manual nnnnnnnnnunenssnrnnnnnnrnnrrrrrrnrrrrrrrrrrrrrrrsrrrrrrrrrrrerrrrrrrrrrrrrrrrrrrri xl FT INS ee ona ob aftr ee Nee ee 1 Install YOUU INS L GE ee ee ee ee Eee ee 3 Standard PC eS ONC Sn ee ee een 3 Operating CONSIG CANO Bene en uae ee ee era 4 installing NOG OS sera ne ana een ea dest oe sare ein L REEE EEO EAE AAN 6 FOwering the Instrument Oh and On u a 7 Adding a Second Monitor une en ee een ne
58. ies dialog box see step 2 Choose Edge Mode then click the Autoset button to autoset the signal Click Close to close the dialog box DSA8200 Quick Start User Manual Skew and Deskewing Save Wave g A1 empy E e rile Path E 7 Define Math GE F ntal Brit magl anier Erie Sth Keil Ef Fe es mal eal oral Bee rel Flin Merl Al R2 Raf RA 2 3 f J iloj e E ones BE Centered 7 19 Skew and Deskewing 80 10 Display the Measurement Setup dialog 11 12 box by choosing Measurement from the Setup menu Click the Select Meas button and choose the Delay measurement from the Pulse Timing list Set Source 1 to R1 and Source 2 to M1 Using the previous discussion on Methods to Adjust Skew adjust the skew by changing the Delay or Deskew value for C6 or by changing the external phase adjustor until the measurement reads near zero Phase Ref Mask TOR Disp wert Horz Acq Tig wim Database Hist Cursor Meas Meas 1 Iv On RR Fulse Measurements Mone Fulse Amplitude bene Creare Pulse Timing Rise Time Pulse Area b Fall Time I Period Source Region HiLow Frequency Cross Main M1 Cross Width width F Use Wim Database Duty Cycle Signal pe Duty Cycle Pulse NRZ Burst width RMS Jither 2 Pk Pk Jitter Phase Statistics Annotations Weighting 1 Help
59. ighly useful skew adjustment capability called channel delay While both deskew and delay allow you to compensate individual channels for skew differences introduced externally from the instrument they are implemented differently Deskew is applied to the strobe drive of the module that is common to both channels in the module When the deskew values differ between the channels the instrument automatically performs separate acquisitions for each channel on different sets of triggers in order to satisfy the requested deskew difference Delay is applied only to an individual channel in the module Therefore to retain maximum performance keep the deskew values for both channels in a single sampling module the same and use the delay control if possible DSA8200 Quick Start User Manual Skew and Deskewing Channel deskew can be used for repetitive signals Data is captured with the timebase skew adjusted for each channel one at a time This method of skew adjustment relies on the fact that your signals are completely repetitive relative to the trigger of your sampling oscilloscope If for each trigger there is always the same signal the oscilloscope can adjust the skew using channel deskew The number of triggers needed to fill the trace doubles relative to an undeskewed acquisition system More optimal performance can be obtained using multiple modules or modules with channel delay capability Random signals are signals that do not necessarily re
60. il the restore process is complete 6 When the restore process is completed remove the last restore disc and restart the instrument The instrument will open into the operating system settings and appearance as shipped from the factory 7 Proceed to restoring the product software and any additional applications Follow each application s installation instructions Restoring the Operating System from the Instrument Hard Disk Drive SN B020551 through B029999 These instruments contain an operating system restore file on a separate partition of the hard disk drive NOTE This restore method reinstalls the operating system but does not restore the backup directory on the hard disk drive If you are using this restore method when complete be sure to create a set of operating system restore CD ROMs for future restores See page 88 Create Restore CD ROMs Serial Numbers B020551 to B029999 1 Restart the instrument During the boot up process you will see the following message at the top of the screen Starting Acronis Loader press F5 for Acronis Startup Recovery Manager 2 Repeatedly press the F5 key until the Acronis True Image Tool opens There is a three second time period from when the message appears until the instrument proceeds with the normal instrument startup If the instrument does not open the Acronis application power off the instrument then power on the instrument and try again 3 Click Restore 4 In the Confirm
61. ine a measurement slot select Select Meas and choose a new measurement DSA8200 Quick Start User Manual 47 Analyzing Waveforms Cursor Measurements Use cursors to measure amplitude and time quickly and with more accuracy than when using the graticule to take measurements Because you position cursors wherever you want on the waveform they are easier to localize to a waveform segment or feature than automatic measurements 1 Press the CURSORS button m 4 C P DEFAULT GS PANT SETUP AUTOSET CURSORS p 5 m Once for Vertical Bars L Twice for Horizontal Bars m Three times for waveform cursors 2 Press the SELECT button to toggle selection between the two cursors The Setups active cursor is represented by a solid PhaseRef Mask TOR Disp line Vert Harz Acq Trig wfm Database Hist Cursor Meas 3 Turn the General Purpose knob to Funcion position each cursor on the waveform to C of measure the feature that interests you Boe ka P waveform 4 Vertical bars V Bars measure time horizontal parameters 5 Horizontal bars H Bars measure amplitude parameters 48 DSA8200 Quick Start User Manual 6 Waveform cursors measure vertical and Analyzing Waveforms horizontal parameters simultaneously Waveform cursors are attached to the waveform and track with the waveform points 7 Read cursor measurement results on the File Edit View Setup Uliitie
62. ing NOTE This differential setup may require deskewing before measuring signals from your device under test DUT See page 72 Skew and Deskewing 80A05 module Input signals DSA8200 Quick Start User Manual Using the 80A05 Electrical Clock Recovery Module Examples Clock Recovery Trigger for Optical Signal with the 80012 Optical Module In this example the 80A05 delivers the recovered clock signal from the 80C12 to the mainframe to be used for triggering 1 3 Set your mainframe trigger source to Clock Recovery for the channel the 80A05 occupies Connect the ELECTRICAL SIGNAL OUT from the 80C12 module to the ELECTRICAL SIGNAL IN of the 80A05 using an electrical signal cable Attach the optical input signal cable to the 80C12 and terminate the 80A05 signal outputs in 50 Q The 80A05 will deliver the recovered clock signal from the 80C12 to the mainframe DSA8200 Quick Start User Manual ELECTRICAL SIGNAL OUT from 80012 connected to ELECTRICAL SIGNAL IN of 80A05 Optical signal in 80C12 optical module 80A05 module 67 Using the 80A05 Electrical Clock Recovery Module Examples Differential Clock Recovery and Acquisition In this example the electrical output signals of the 80A05 module are connected to an electrical sampling module s such as an 80E03 with a matched set of differential cables 1 Connect the 80A05 outputs to the 80E0
63. ing the system To Avoid Fire or Personal Injury Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The inputs are not rated for connection to mains or Category Il III or IV circuits Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Power Disconnect The power switch disconnects the product from the power source See instructions for the location Do not block the power switch it must remain accessible to the user at all times Do Not Operate Without Covers Do not operate this product with covers or panels removed Do Not Operate With Suspected Failures If you suspect that there is damage to this product have it inspected by qualified service personnel Avoid Exposed Circuit
64. ists none is displayed Auto mode sets the instrument to acquire a waveform even if a trigger event does not occur Auto mode uses a timer that Starts after trigger rearm If the trigger circuit does not detect a trigger before this timeout about 100 ms it auto triggers forcing enough trigger events to acquire all active channels In the case of repetitive acquisitions in automatic trigger mode waveform samples are acquired but at different places in the data stream synchronization is lost If you do not apply a signal to any displayed channel a baseline is displayed for that channel Trigger Sources The trigger source provides the signal that the trigger system monitors The source can be m The internal clock of the instrument TDR clock rate with user selectable clock frequencies The INTERNAL CLOCK OUTPUT connector supplies a replica of the internal clock at the instrument front panel An external signal coupled to one of the trigger input connectors on the front panel External Direct DC coupled and usable with signals up to at least 3 0 GHz DSA8200 Quick Start User Manual 37 Triggers 38 External Prescale divided by 16 and usable with signals from 2 0 GHz up to at least 12 5 GHz An internal clock recovery trigger provided by either an optical sampling module that is equipped with a clock recovery option or a dedicated electrical clock recovery module Clock recovery is user selectable for triggering rates that d
65. kew 6 0 OOO HK 9 TOR Autoset Properties DSA8200 Quick Start User Manual Analyzing Waveforms 8 Press TDR Autoset Properties to display the Autoset Properties dialog box to prepare the TDR autoset Quick Tips Use a lower internal clock rate to examine long cables Fora TDR module with single channel deskew capability only the even numbered channel of the module is selectable for deskew For a TDR module with dual channel deskew capability both channels of the module are selectable for deskew See page 72 Skew and Deskewing DSA8200 Quick Start User Manual 59 Analyzing Waveforms Phase Reference Use the Phase Reference module and the phase correction timebase that it supports when you need to acquire with ultra low jitter Using this mode reduces trigger jitter in the instrument which lets you measure clock and other phase jitter vulnerable signals with more fidelity To use phase reference you must have a Phase Reference module such as the 82A04 and a phase reference clock signal synchronous to the data to be acquired connected to the Phase Reference module Refer to the online help for more information on using the Phase Reference timebase display the Phase Reference dialog box Wim Database Hist Cursor Meas f Wert Horz Acq Trig 2 Turn Phase Correction on by checking Phase Ref Mask TOR Die either Free Run or Triggered Phase Correction
66. l Monitor d The monitor you have selected is currently disabled If you enable this t moniter then it will be Laad as part of your Windows desktop you can goron resolution move your mouse to it place oars on it ancl show program windows on It Less De you want to enable this monitor densty Troubleshoot Advanced Ri Cangal 1733 224 Use the following procedure to change the Windows language from English to one of your choice This procedure does not change the language in the TekScope application Before you begin minimize the TekScope application 1 In the Start menu select Control Panel 2 Select Regional and Language Options 10 amp Control Panel File Edit View Favorites Tools Back Help i A Search BE Folders amp Address J gt Control Panel w BE La Printers and Faxes Program Download Monitor 4 2 amp My Documents Internet Internet Explorer E mail Microsoft Office Outlook 4 My Recent Documents Ws My Computer a My Network Places A Adobe Acrobat 7 0 Professional a Program Updates tegional and Language Options Remote Control E Control Panel Run Advertised Programs p sg Scanners and Cameras Set Program Access and Defaults Connect To b ba Printers and Faxes 2 Help and Support P Search 77 Run All Programs gt A Log Off Shut D
67. ls application With the 80SJNB Advanced application features for de embedding of the fixture channel emulation and FFE DFE equalizer support are also added Improved acquisition throughput and timing accuracy using the PatternSync Trigger module in conjunction with FrameScan Support for optical conformance testing of SONET SDH signals including the various forward error correction rates for these telecom rates from 155 Mbps to 43 Gb s FibreChannel signals and 1 2 10 and 100 Gigabit Ethernet signals as well as 2 5 Gb s Infiniband signals Support for conformance testing rates is determined by the specific modules that are installed High precision time base with two modes of operation locked and short term jitter optimized DSA8200 Quick Start User Manual 1 Key Features m Negligible long term jitter degradation lt 0 1 ppm which substantially improves the ability to view signals that are delayed far from the trigger point without distortion Improved short term and long term trigger jitter m A gated trigger option Option GT that lets you disable or enable gate triggering based on a TTL signal that you connect to the instrument rear panel This option allows you to use recirculating buffers as part of your test setup to simulate the effects of very long optical links that are typical of undersea cables and long terrestrial links m Analysis and connectivity tools that enable the instrument to be controlled from a variety
68. mmercial glass cleaners to clean the display surface Avoid spraying liquids directly on the display surface or scrubbing it with excessive force Clean the flat panel display surface by gently rubbing the display with a clean room wipe such as Wypall Medium Duty Wipes 05701 available from Kimberly Clark Corporation lf the display is very dirty moisten the wipe with distilled water or a 75 isopropyl alcohol solution and gently rub the display surface Avoid using excess force or you may damage the plastic display surface Optical Connector Cleaning When using optical modules the measurement accuracy is increased or maintained by keeping the optical connectors clean It is important to follow the procedures for cleaning optical connectors provided in the manual for your optical module DSA8200 Quick Start User Manual 85 Restoring the Operating System Restoring the Operating System 86 You can restore the Microsoft Windows operating system in the event that the operating system will not start when powering on the instrument The restore method is described here depending on the serial number of your instrument Instrument serial number Operating system restore process B010100 B020550 Restore the Windows XP Professional operating system using the restore discs provided with the instrument B020551 B029999 Restore the Windows XP Professional operating system from the instrument hard disk drive This is the preferred method f
69. mpliance with the EMC standards listed here high quality shielded interface cables should be used 4 Horizontal timing susceptibility of the optical sampling modules and their internal clock recovery trigger signals usually increases the horizontal timing jitter when external electromagnetic fields are applied For fields up to 3 V m the increase in the horizontal high frequency RMS jitter is typically less than 3 ps RMS of jitter added using the square root of the sum of the squares method An example follows If an 80C01 CR operating in clock recovery trigger mode exhibits 3 5 ps RMS of edge jitter with no EMC field applied and for an ideal jitterless input then for applied fields up to 3 V m the edge jitter degradation would typically result in a total RMS jitter of Jitter lt 3 5 ps 3ps 4 61 ps 5 Performance Criterion C applied at the 70 25 cycle Voltage Dip and the 0 250 cycle Voltage Interruption test levels IEC 61000 4 11 If the instrument powers down upon a voltage dip or interruption it will take longer than ten seconds to reboot DSA8200 Quick Start User Manual V Compliance Information 6 With an 80E01 Electrical Sampling module up to 15 mVrus random noise is allowed when the instrument is subjected to fields and signals as defined in the IEC 61000 4 3 and IEC 61000 4 6 tests Australia New Zealand Declaration of Conformity EMC Complies with the EMC provision of the Radiocommunications Act per the followin
70. n Compensation Diagnostics System Properties User Preferences Waveform Properties O ption Installation DSA8200 Quick Start User Manual 23 Inspect Your Instrument 24 Select the Subsystem Level tab Select all the entries by clicking the first entry Control Proc and dragging down to select the rest All entries should be highlighted In the Run box leave Loop and Halt on Failure unchecked Click Run Verify that Pass appears as Status in the dialog box when the diagnostics complete If diagnostic failures occur contact your local Tektronix service personnel Subsystem Level Area Level Test Level Subsystems Failures Control Proc ass 0 Acquisition 1 ass 0 ition 2 ass T E T Loop T Halt on failure Loop count Acquisition amp Subsystem Acquisition 8 Area Vertical Test A D Convert DAC Load Tektronix Close Help DSA8200 Quick Start User Manual Optimizing Measurement Accuracy Optimizing Measurement Accuracy This instrument can compensate itself and the installed sampling modules optimizing the internal signal path used to acquire the waveforms you measure Compensation optimizes the capability of the instrument to make accurate measurements at the ambient temperature NOTE When installing a module or moving a module to another compartment you must power on the instrument and allow the temperature of the instrument an
71. n be channels waveforms reference waveforms measurements scalars or fixed scalars You can display and manipulate these derived math waveforms much like you can the channel and reference waveforms 1 Press the Vertical MATH button once or twice if needed to display the Define Math dialog box 2 Click the Math Waveform drop down list in the dialog box and select one of the eight available math waveforms 3 Use the dialog box to define a math expression Some guidelines for creating your expression follow Sources C1 C8 R1 R8 and Meas 1 Meas 8 should be set up before you use them references and automated measurement scalars should be defined m Elements that appear grayed out cannot be selected because they would result in an illegal entry 50 CH Main Define Math Math Waveform Math Exp e E Functions Expl Logi Satt Versus Avg Hinf Define Math Math Waveform Math Expression o Functions tgl Difff Ymagl Filter Expl Logi S qrt Inf Verus Avgl Mini Marl The Be De Filter Risetime fi ns aj Fiter Made Centered DSA8200 Quick Start User Manual Analyzing Waveforms 4 Use the filter controls in the dialog box to apply a filter to the math waveform defined by the expression Define Math m Eon 5 When you have defined the expression click Apply 6 Select the Math Waveform On box
72. n the Compensation dialog box note that the main instrument mainframe and sampling modules are listed The temperature change from the last compensation is also listed Wait until the Status for all items you want to compensate changes from Warm Up to Pass Fail or Comp Req d Under Select Action select Compensate and Save default From the top dropdown list choose All default selection to select the main instrument and all its modules as targets to compensate Click the Execute button Follow the instructions to disconnect inputs and install terminations that appear on screen be sure to follow static precautions see the user information for your sampling module when following these instructions Verify that the compensation routines pass If the status is Fail rerun the compensation If Fail status continues and you have allowed warmup to occur the module or main instrument may need Service Use the Compensation Indicator Button to display or hide the indicator on the main display Green indicates all modules have been successfully compensated Red indicates one or more modules require compensation File Edit Wie Setup Utilities Applications Help ER a Pulse Amplitude lad Curent Date Time Mainfram O4 Apr 04 16 51 Serial BAQ Date Time 1545200 Upper Modules Serial BOAO Date Time 80C01 CR Serial Date Time 1 Overridden by upper
73. n the United States refer to the E cycling Central Web page www eiae org for disposal or recycling information Perchlorate Materials This product contains one or more type CR lithium batteries According to the state of California CR lithium batteries are classified as perchlorate materials and require special handling See www dtsc ca gov hazardouswaste perchlorate for additional information Restriction of Hazardous Substances This product has been classified as Monitoring and Control equipment and is outside the scope of the 2002 95 EC RoHS Directive DSA8200 Quick Start User Manual ix Preface Preface Documentation This manual describes the installation and operation of the DSA8200 Digital Serial Analyzer along with basic operation and concepts For more detailed information see the online help on your instrument NOTE The screen images in this manual may differ slightly from other versions of product software Additional information is available through a variety of sources The following table points to the location of different types of information available for this product Type of information Location Unpacking installation operation and overviews Quick Start User Manual In depth operation UI help programming help Instrument online help Performance verification and specifications Product documentation CD Product software Product software CD www tektronix com software Self service Service manual PDF files o
74. n when FrameScan Auto Position mode is on 5 Set the Scan Bits to the number of bits or subframes you want to acquire Quick Tips Setups Ei Ed wim Database Hist Cursor Meas Phase Ref Mask TDR Disp Wert Horz Acq Trig Timebase Scale 783 9mnBitsiaiv aH Position 57 32hits Resolution 5 140p Record Length Hara frooox Mode Lock ta Int 10AHz Units Seconds Bits Distance Comm Standard Mone F Bit Rate 12 4683200 Gbps FrameScan o M Enabled Start Bit 7 Auto Position Scan Bits 47 iO Frame sync pulse p 52 Wavsfoms HMskTotal 565772 of 750 Tektronx x Sample 7 TrigfE xtemal Direct x Rsoomv es App R ac an sao aa E al e l SAHNE Waveform C1 50 004 Widi Mask Mig 1 Ci BE OC 125TH Mask1 0 Mask 53 Repeating data stream File Edit View Setup Utilities Applicay amp fe Tu Run Stop Pulse Amplitude hh non to Lid Mask3 0 SCANNING Bit 5 5452 008 Total 83 Waveforms 110 ici a eo 00n ve aH 121 914 aH main amp 1 000bisv aH 55 386 aH 8 30 AM 3 17 00 m The Start Bit control determines the starting horizontal position that FrameScan uses for each acquisition scanning cycle The Auto Position control must be on to use the Start Bit DSA8200 Quick Start User Manual 57 Analyzing Waveforms m The Auto Position control is disabled when the Trigger Source is set to Pattern S
75. ng Concepts een nee re ee rennen 37 Setting COS EC OMMOLS ne ee ae een ee 40 setting Palin Syne CON Ol en nin dete ind ee E A a E eE S 41 CHECKING TOJE STALL S sn a ee ee 42 DSA8200 Quick Start User Manual i Table of Contents TAY ZING WAV OTONM Sst rasen a tum hen sap RERA 43 Taking Automatic Measurement ee Sujene vide ee een 43 Turning Off Automatic Measurements nn ei 47 C rsor VISAS UL SI En ee pre nen Dr ne er Se RTeE un oem 48 WNIT VAN CLONING ee ee 50 NAVI Om Databases ee een en 52 Display a COMMUNICATION SION Al san ee ea acc 53 Display and Analyze Communication Signals Using Mask Testing cccccceeeee eee eee eee eeeet eee eeeeeeeenaeeees 54 KEANE S Cal anc rages a avarice cused acta en panera eect anette EEE 57 OA IS ta ee een need er Re see 58 Phase ETSI CMCC oan a a aii r a aa en een eier das a EN 60 ASO ANNE tah Seca ck T A T T TAA 61 Document Your RESUNS i unse eek essen 63 Using the 80A05 Electrical Clock Recovery Module Examples ccccccscce eect cece nett ee eneeeeeeneteeeenetneeenanes 65 Glock Recovery Trigger on Recovered Clock a sn 66 Clock Recovery Trigger for Optical Signal with the 80012 Optical Module ccccccceeeeneeeeeeeeeeeeenanes 67 Differential Glock Recovery and Acquisition aussen 68 Probing with Low Impedance PIODES oi55a54 nie RE 69 Probing with Differential to Single Ended Probes ccccceccce eee ee teen eee sees ee eee teense eee
76. nstrument 090 000000009 ID 000 oog200 2 Connect a video cable not supplied from the SVGA out dual monitor display video port on the back of the instrument to the external monitor 3 Power on the instrument 4 Power on the external monitor 8 DSA8200 Quick Start User Manual 5 Inthe Start menu select Control Panel 6 Select Display DSA8200 Quick Start User Manual Install Your Instrument 2 Internet te My Documents Internet Explorer kn E mail ER My Recent Documents F Microsoft Office Outlook g My compoter PE Adobe Acrobat 7 0 a My Network Places Professional E Control Panel Set Program Access and Defaults we Connect To k KS Printers and Faxes Help and Support gt Search 777 Run All Programs gt A Log Off g Shut Down F Contre Panel Fir Edi Mew Feeries Tods Help O D Fa Ers E Adress Br Control Panel Bx i w Install Your Instrument 7 Inthe Display Properties window select the Settings tab 8 Click the grayed out external monitor 2 and drag it to the left of monitor 1 9 Select Yes when you are prompted to enable the new monitor 10 Click OK and Apply You will then be prompted to restart your system so the changes can take effect Changing the Windows Language Display Properties Display 2 Doteul
77. or these instruments Restore the Windows XP Professional operating system using a set of user created restore discs B030000 and above Restore the Windows XP Embedded operating system using the restore discs provided with the instrument CAUTION The restore process reformats the hard drive and reinstalls the operating system All saved data will be lost If possible save important files to external media before you perform an operating system restore DSA8200 Quick Start User Manual Restoring the Operating System Restoring the Operating System with Restore Discs NOTE This procedure requires that the CD DVD drive is set as the first boot device this is the default setting NOTE You can only use restore discs on the instrument with which they were created This includes restore discs shipped with the instrument or restore discs created by the user 1 Insert restore CD disc 1 in the instrument CD DVD drive 2 Restart the instrument The restore software opens automatically if the CD DVD drive is the first bootable device If the CD DVD drive is not the first bootable device you will need to enable it as the first bootable device before performing a restore from the CD ROMs 3 Click Restore 4 In the Confirmation dialog box click Yes to restore the operating system and instrument application or No to exit the restore process 5 When prompted remove the current restore disc and insert the next restore disc Continue unt
78. orderable 119 B146 00 119 6936 00 200 4519 00 016 1441 00 119 6107 00 006 34 15 04 020 2543 xx Not orderable Not orderable 020 2734 xx 020 2980 xx 020 2480 xx Type dependent on selection during order placement Install Your Instrument Operating Considerations The following information lists the specifications related to the operation of the mainframe Refer to the DSA8200 Specifications and Performance Verification manual for a complete list of specifications Mechanical Clearance A57 mm 18 in m Top Front and Rear 0 in 0 mm Sides 2 in 51 mm OOo Bottom 0 75 in 19 mm ce o n QO O OQO gt OSJ gt Weight 343 mm 9 O 35i m 19 5 kg 43 0 Ib This does not include any accessories or modules Depth 419 mm 16 5 in Environmental Temperature 10 C to 40 C Relative humidity 20 to 80 with a maximum wet bulb temperature of 29 C at or below 40 C Altitude 3 000 m 9 843 ft Power Supply Source voltage and Frequency 100 240 Vams 10 50 60 Hz or 115 Vrms 10 400 Hz Power Consumption 600 watts Typically 240 watts fully loaded 160 watts mainframe with no modules Input Connectors Trigger Direct Input range 1 5 V DC peak AC maximum input voltage 4 DSA8200 Quick Start User Manual Install Your Instrument Trigger Prescaled Input absolute maximum 2 5 Von input typical Ex
79. own DSA8200 Quick Start User Manual Install Your Instrument 3 Select your location 4 Select your language preference The time and numbering system of your selected locale will adjust automatically to this selection Magion al and Language Opt rt ee a ee Fear al ohori Langukbpik Pahi acid landak geui inma s This option affects hose some propane format number sous eters re ren 5 Select the Languages tab to further size reach by pnelenencen on ook Cumlomize bo ohmse yo om howls specify your preferences For more ORG Erglch Ured Siam I hoe details on customizing your language En options see your Windows XP help Number 123 486 703 00 Cumency 92 456769 00 Time PR Sho die gaapt Long dse F dap Juna 2 S008 OSR L ieaie To help menices pireide pou wah kcal nomatan ach as meya srac wether seod paa peroni hoceton ribed aia DSA8200 Quick Start User Manual 11 Install Your Instrument 12 DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument Getting Acquainted with Your Instrument Front Panel The front panel of your instrument gives you access to the module compartments and the control panel nn Antistatic connection 1 MQ terminal On Off switch Trigger prescale input Trigger direct input Trigger probe power External 10 MHz reference input DC calibration output Internal
80. pagate from their source to the mainframe In TDR applications skew can occur in signals that propagate from the instrument to the device or system under test DUT specifically the TDR stimulus pulses as well as from acquired signals The following procedures and examples explain how to minimize and measure skew in non TDR and TDR systems Quick Tips m Minimize skew by using balanced cable pairs Measure and match your cables TDR modules such as 80E10 80E08 and 80E04 allow you to measure cable delays with very high precision m In differential systems use differential probes or differential SMA to single ended active convertors such as the Tektronix P7380SMA Methods to Adjust Skew 12 Using a Phase Adjuster Skew can be adjusted with the use of a variable delay line phase adjuster Tektronix part number 015 0708 00 is a phase adjuster with a 25 ps range and VSWR of 1 3 1 at 18 GHz The advantage of a phase adjuster is that it is functionally invisible The disadvantage is that signal fidelity is slightly impacted Channel Deskew and Channel Delay To ensure that random differential or common mode signals can be properly time aligned the DSA8200 allows the skew to be adjusted between individual modules by way of independent acquisition timebases not available in phase reference mode This is referred to as channel deskew In addition some modules the 80E06 80E07 80E08 80E09 and 80E10 contain an additional and h
81. peat on equivalent trigger events from acquisition to acquisition The oscilloscope must acquire each waveform sample of both differential branches from exactly the same trigger event Otherwise due to the random nature of the signal one of the samples of the differential pair may have changed value from an absolute real time perspective and will yield incorrect results of the mathematical differential or common mode waveform Setup Considerations and Procedures Before starting there are two setup choices to be made These are explained in the following sections Reference Plane This is the location at which you ultimately want both the acquisition signals and TDR steps if you are using TDR to be time aligned See Figure 4 on page 74 Common choices for the reference plane include m The instrument front panel m The inputs to a DUT Device Under Test attached to cables The inputs to a DUT within a fixture For best results select the reference plane at the DUT interface If it is not possible to inject the signal source at the desired reference plane ensure that the signal paths for each of the differential signals are precisely matched between the DUT and the selected reference plane If you are using the 80A05 Clock Recovery Module and routing your differential signals through this module to an acquisition module you must leave the 80A05 connected during the deskew procedure This will ensure that any skew introduced by the 80A
82. printing setup dialogs math setup waveform database autoset clear data acquisition mode triggering and applications Menu Bar Access to data I O printing online help system and setup functions Status Bar Trigger status and waveform count Readout Bar Toggle individual readout on and off by clicking its button Phase Reference Status Indicates the characterization status of the phase reference module A Readout Right click any readout to display a short cut menu providing access to often used setup controls and properties for the features associated with the readout Readouts Display up to five readouts in this area select readouts from the Readout Bar Compensation Indicator Indicates the compensation status of modules and mainframe Controls Bar Quick access to waveforms and timebases for display and to their scale offset and position controls for adjustment Waveform Bar Access to waveform selection click waveform position drag and waveform properties right click Display Live reference and math waveforms display here along with cursors and masks to analyze them Measurements Bar Access to automated measurements by signal type and category click measurement buttons to measure the selected waveform DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument Display Single Graticule View File Edit View Setup Utilities Applications Hille Ip Triggered Tektronix _ xii Ele F
83. rameScan Enabled e All pattern sync controls are disabled grayed out if there are no available pattern sync sources The default selected pattern sync source is the lowest numbered pattern sync module The Data Rate in the Pattern Sync dialog box is tied to the Bit Rate control in the Horizontal setup dialog box changing either one affects the other lf the entered Data Rate does not match the rate of the selected communication standard in the Horizontal Setup then the communication standard is changed to User Using the PatternSync Trigger module in conjunction with FrameScan can improve both acquisition throughput and timing accuracy For highest reliability and speed it s recommended to manually enter as many control values as possible The control value must be unchecked in the AutoSync Options to allow manual entry DSA8200 Quick Start User Manual 41 42 Triggers Checking Trigger Status You can check the status of the trigger from the front panel and in the status bar The status bar also displays the waveform count You can use a phase reference module such as the 82A04 for triggering See page 60 Phase Reference 1 Check the READY and TRIG D front panel controls to determine the trigger status File Edit Yiew Setup Utilities Applications Help Triggered i Te xl amp gt fe ni Be Acg Mode Sample Trig Clock Recovery 175 0mW Enp x2
84. rigger controls to predefined settings appropriate for using the external TRIGGER DIRECT INPUT connector 40 DSA8200 Quick Start User Manual Setting Pattern Sync Controls The Pattern Sync dialog box can be displayed when Pattern Sync is the selected triggering source 1 Select the parameters for the pattern sync module Select the channel Source where the pattern sync module is installed m Select the Data Rate bit rate default is 2 48832 Gbps m Select the Pattern Length default is 127 m Select a Data Clock Ratio data to clock ratio default is 1 1 Select a Relative Trigger Bit in the range of 0 to Pattern Length 1 default is 0 Use the AutoSync feature to automatically detect the data rate pattern length and or data to clock ratio of the applied data and clock signals data to a sampling module channel and the clock to the Pattern Sync module Enable FrameScan to automatically scan through a pattern or part of a pattern The FrameScan control is tied to the FrameScan control in the Horizontal Setup dialog box changing either one affects the other Quick Tips Pattern Sync Pattern Sync Module Source Data Rate 22 1 Mbps a List fr sis BE Lee Data Clock Ratio 1 1 Edit Pattern Length Relative Trigger Bit C7 0 En 2 Triggers AutoSync Options Kun ute Data Rate Pattern Length l Data Clock Ratio F
85. roduct Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products w
86. rsor Meas nn PhaseRef Mask TOR Disp u ana 2 heya Sahel ert Harz Acq Trig Tigger Source External Direct Patten Sync Pattern Syne Setup BRAD a External Prescaler Internal Clack 200kHz v Clock Recovery Select this option to trigger on a recovered clock signal from an optical sampling module Select both the channel to trigger on it more than one sampling module contains clock recovery and the desired clock recovery rate at least for the selected channel When Clock Recovery is selected as the trigger source the instrument automatically returns to the last clack recovery channel selected from Defaut Setup this would E be the lowest clock recovery channel available z 1231 ime AA Get to 50 21 Getting Acquainted with Your Instrument 22 For in depth contextual overviews most dialog boxes have a Help button Click the button to open the help system with an overview of the dialog box that is currently displayed You can search for in depth help from the application menu bar select Help and then select HELP Contents amp Index Position f22 2000ns aH Color Help Topics Cursor Setup dialog box Use this dialog box to set up the cursor properties and display Backgrounder Setups HE Setup Dialog box Overview Phase Ref Mask TOR Disp This dialog box gathers all controls for cursor setup such as cursor function and cursor 1 and c
87. ry Do not touch exposed connections and components when power is present Use Proper Fuse Use only the fuse type and rating specified for this product Wear Eye Protection Wear eye protection if exposure to high intensity rays or laser radiation exists Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation DSA8200 Quick Start User Manual li General Safety Summary Terms in this Manual These terms may appear in this manual N WARNING Warning statements identify conditions or practices that could result in injury or loss of life N CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and Terms on the Product These terms may appear on the product m DANGER indicates an injury hazard immediately accessible as you read the marking m WARNING indicates an injury hazard not immediately accessible as you read the marking m CAUTION indicates a hazard to property including the product The following symbol s may appear on the product AA 9 O CAUTION WARNING Protective GroundEarth Terminal f Mains Disconnected Mains Connected Refer to Manual High Voltage Earth Terminal Chassis Ground OFF Power ON Power Standby DSA8200 Quick Start
88. s Applications Help Triggered en x display BA A ROAST Aca Mode Sample Trig E stemal Direct 5 300m BH App R2 Pulss gt Amplitude tur nan cn an ac an T e FE S tl ST mjaa f L PhaseRel C5 6 8 Click this button to toggle the cursor i ie ys readouts on and off ee MEN w ee ie gt OE ae eee vi 176 224m v2 101 577 mW ay F4 7OFOrnY 1 ti 20 6500ns t2 22 3000ns at 1 65000ns dt 606 06 1MH2 21500 BR amp c 5 59 Pm 47472004 Quick Tips Cursors require that at least one waveform is selected on the screen m Waveform cursors are not available if a waveform database is selected m You can drag a cursor to place it relative to the waveform m You can assign each cursor to a different waveform to measure differences between waveforms Make these selections in the Cursor setup dialog box E If you use two magnified time base views you can take precision timing measurements between two distant points on a waveform Magnify each point of interest in a separate time base and then place one cursor on each point The A time cursor readout will then reflect the position and resolution of the magnified time bases DSA8200 Quick Start User Manual 49 Analyzing Waveforms Math Waveforms You create math waveforms by creating a math expression using the Define Math dialog box In that dialog box you apply numerical constants math operators and functions to operands which ca
89. t be within 1 of the actual frequency m The instrument accommodates up to approximately 5000 ppm of SSC Histograms The instrument can display histograms constructed of waveform data You can display both vertical amplitude and horizontal time or distance histograms but only one at a time 1 Display the Hist Histogram dialog box 2 Check the Enable Histogram box 3 Click the Source button to select the waveform source 4 Select a vertical or horizontal histogram DSA8200 Quick Start User Manual Vert Hoz Acq Trig wim Database Hist Cursor Meas Sue D f 1 Oz Wanca a M Enable Histogram Setups EAE PhaseRef Mask TDR Disp f Vertical T Horizontal Je Use Wim Database Clear O Display Options 7 Histagram Color Linear Size 2 ai amp Logarithmic Limit Control Top 2192m aH Left Right feo oo00n EK 22 5000 aH Bottom 227 4my BE f Absolute o 61 62 Analyzing Waveforms 5 Click and drag the edges of the histogram box to enclose a portion of the waveform 6 The histogram displays at the edge of the graticule The histogram statistics are displayed in the readout Fila Edit View Setup Utiiies Applications Help fTnageed 0 Tektronix Xi amp 2 fhan 2 BEER Acq Mode Sample 7 Trg E emal Direct fo oy ar App h oe alnlalaisingpleizh clei KETTES te Y E eee 2 2 ff Mean 228
90. ternal 10 MHz Reference Input 500 mV to 5 Vp p AC coupled into 1 KQ 5 V maximum Gated Trigger Input non destruct levels 5 V maximum Option GT equipped mainframes DSA8200 Quick Start User Manual 5 Install Your Instrument Installing Modules CAUTION To prevent damage to modules do not transport or ship the instrument with modules installed Modules are also sensitive to electrostatic discharge ESD To avoid ESD damage always use an ESD wrist strap when installing or removing modules and when connecting signals to the module inputs Never install or remove modules while the instrument is powered on 1 Always use an ESD wrist strap provided when installing and removing modules 2 You can install up to two large sampling modules and four small modules for a total of 8 inputs Small module compartment 4 Large module compartment 2 Following are some typical module installations illustrating the interaction between large compartment channels and small compartment channels NOTE A large compartment module that only derives power from the compartment does not use any small compartment input channels Eight channels No large and four small modules CH1 Module not installed CH3 Module not installed CH 1 CH2 CH 3 CH 4 CH5 CH6 CH 7 CH 8 Six channels Two large modules and two l small modules CH1 module installed CH3 module install
91. tes to new locations by using a mouse or the touch screen DSA8200 Quick Start User Manual Analyzing Waveforms Turning Off Automatic Measurements Up to eight automatic measurements can be assigned Once all eight slots are used no more can be assigned If you need to take another automatic measurement and all measurement slots are used make a slot available for the new measurement or redefine a current measurement slot 1 Note the assigned measurements In DE E his example measurement slots 1 an N ampe ae dhe an Measurement Phase Ref Mask TDA Disp ave measurements assigned Rice ce A er Men Trig 216 3 1802 rn Database Hist Cursor Meas Meola 1 fil 4368ns 2 Select Meas measurement from the Setup dialog box Pra 3 Use the pulldown list to select Meas 3 measurement slot 3 4 Note that measurement slot 3 has a measurement assigned and is displayed On 5 Press the Select Meas button to set measurement slot 3 to None Meas 3 Iv On Pulse Measurements Pulse Amplitude Pulse Timing b Pulse Area 6 Note that measurement slot 3 is Not Defined and no measurement icon is displayed 7 Note that measurement slot 1 has a measurement assigned It is set to not display but the measurement slot is still used Meas zT On Fl Select Meas C1 Frequency Value Clear Stats Show Skats Quick Tip m To easily redef
92. tion occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Pollution Degree 3 Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation These are sheltered locations where neither temperature nor humidity is controlled The area is protected from direct Sunshine rain or direct wind Pollution Degree 4 Pollution that generates persistent conductivity through conductive dust rain or snow Typical outdoor locations DSA8200 Quick Start User Manual vil Compliance Information viii Pollution Degree Pollution Degree 2 as defined in IEC 61010 1 Note Rated for indoor use only Installation Overvoltage Category Descriptions Terminals on this product may have different installation overvoltage category designations The installation categories are Measurement Category IV For measurements performed at the source of low voltage installation Measurement Category Ill For measurements performed in the building installation Measurement Category Il For measurements performed on circuits directly connected to the low voltage installation Measurement Cate
93. tups Ei EG Winn Database Hist Cursor Meas Yet Hae l am To 4 Select the communication standard Phase Ref Mask TOR Dies ies 5 Click Autoset in the Mask setup dialog Source aS u box or on the front panel I6 12 5 TM 4 00 18 None OL 24 Ethernet p 0C 36 Fibre Channel Optical gt OL 48 5 TM 16 Fibre Channel Electrical P FEC 666 Gb s Display Irtini arid b 0C 192 5T M 64 wje Color as PC Express b FEC10 66 Gb s E Rapid ID b FELIU 1 abs I Fo Mono BE ee Bata SONET SDH MS FEC43 02 Gb s AI Autoset Automatic f Manual DSA8200 Quick Start User Manual 53 Analyzing Waveforms Display and Analyze Communication Signals Using Mask Testing 54 Use mask testing to test your waveforms for time or amplitude violations against a predefined industry standard or a user defined mask Mask testing counts waveform samples called hits or violations that occur within a specific area the mask Use the communications standard masks that this instrument provides SONET SDH Fiber Channel Optical and Electrical and Ethernet to test your signals or define your own masks 1 Select the waveform to be mask tested from the drop down list under Source ee Wert Horz Arg Trig 1 2 Select a standard mask in the 0C 1 STM O i Phase Ref Mask Mask setup dialog box Selecting a communication standard or user defined Ze ae eee f Main C1 a I Enable
94. ty Bootable CD ROMs are required to restore the operating system if the hard disk has failed NOTE When creating restore discs label each disc appropriately numbering the discs in sequence with its respective backup file name 5 Store the copied disk image files and or restore discs as defined by your company policy NOTE Operating system restore discs can only be used on the instrument from which they were created DSA8200 Quick Start User Manual Index A Accessories 3 Acquisition set Stop mode amp action 34 Acquisition modes how to set 34 Annotations 46 show 44 Auto trigger mode 37 Automatic measurements how to localize gates 46 Autoset 32 C Calibration 25 Channel delay 72 Channel deskew 72 Characterize phase correction 61 Cleaning instrument exterior 85 instrument how to 85 Cleaning and inspection flat panel display 85 Cleaning optical connectors 85 Clock recovery trigger source 38 Communication signal 53 signal mask testing 54 Compensation 25 how to perform 25 Compensation indicator 17 Compliance information v EMC v Safety vii Computer I O panel 17 Connectors external direct 37 38 external prescale 38 trigger 38 Control panel 13 Control panel map 14 Controls bar 17 Create restore CD ROM 88 Cursor measurements 48 DSA8200 Quick Start User Manual Cursors H Bars 48 V Bars 48 D Dark level compensation how to perform 27 Default setup 32 D
95. ue ci None Fy Deinen 7 Select an Enhanced Triggering setting Hone od Deine 8 If the trigger source is set to Pattern p Mode Sync select Pattern Sync Setup This E Ato Normal option is only available with a Pattern Sync module Slope f Level Os B 1 1mv aH Set to 60 Enhanced Triggering High Frequency Triggering Gated Trigger 5 000 E bd alr Haldott IE aH e i Quick Tips m Selecting External Direct as the trigger source requires an appropriate trigger signal be connected to the TRIGGER DIRECT INPUT connector m The Slope and Level controls apply only when the trigger source is set to External Direct Selecting External Prescaler as the trigger source requires an appropriate trigger signal be connected to the TRIGGER PRESCALE INPUT connector Selecting External Prescaler sets the trigger Mode to Normal m Selecting Internal Clock uses the clock frequency setting in the pulldown list Selecting Clock Recovery requires that a module with clock recovery is available Select the clock recovery standard from the pulldown lists or user specified range controls Gated Trigger is only available with Option GT m Pattern Sync trigger is only available if a PatternSync module is installed The trigger output from the PatternSync module must be connected to the TRIGGER DIRECT INPUT connector m Selecting Pattern Sync as the trigger source presets several t
96. urn it off Button lights indicate displayed and selected waveforms DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument 13 Select among displayed timebase views or display and select a timebase view Press selected view to turn it off except main which is always on 14 Vertically scale position and offset selected waveform 15 Horizontally scale position and set record length of selected waveform 16 Set trigger level and use lights to monitor trigger state DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument Rear Panel The rear panel of your instrument allows you access to input and output connectors and the AC input 1 Removable hard drive Scope VGA output for instrument display Computer I O panel w oe gt gt GPIB port The instrument is factory set to be a GPIB device slave allowing you to control the instrument via the GPIB port You can change the instrument to be a GPIB controller master allowing you to control other devices via the GPIB port Refer to the online Programmer Guide installed on the instrument Gated trigger Option GT AC input Fuses o N 9 g Mains power switch 16 DSA8200 Quick Start User Manual Getting Acquainted with Your Instrument Computer I O Panel m D ane 007 LSBeR gt neo Ecos EN E ia we i 9 PARALLEL PORT
97. ursor 2 Vert Horz Acq Trig TEE Hi m M settings SUE See ix zes See Cursor Function Settings for information on the Function different cursor types C Off Vertical Bars Y You can click the tabs or click in the dialog box displayed at left to read more about the controls Horizontal Bars What do you want to do next wen lLearn more about cursor controls esto step by step procedure for setting up cursor controls Cursor 1 Source i Main C2 a Pasition 40 20ns 4 a Color Helo Contents and Index Getting Started Guide Measurements Center Measurements Reference Frogrammer Guide DSA8200 Quick Start User Manual Inspect Your Instrument Inspect Your Instrument Use the following procedure to verify the functionality of your instrument For a complete performance verification see the Performance Verification section in the optional service manual Verify Internal Diagnostics Pass 1 Install all modules to be diagnosed 2 Power on the instrument and wait SD 226 20 minutes for the warm up period Z a u D oO O oO eo uw Co St Ze er EI sQ O O p O Q U 3 From the Utilities menu select File Edit Wiew Setup Utilities are er Diagnostics E 3e ay TU D efine Autoset A Autosel Pulse Amplitude Undo Autoset Run Stop Default Setup Calibratio
98. ync When using Pattern Sync use the Relative Trigger Bit control in the Pattern Sync configuration settings To Use TDR To take TDR measurements you must have a TDR capable sampling module installed and your network must be attached to the TDR sampling module 98 1 2 Select TDR from the Setup menu Click the channel button to automatically display the incident and reflected steps by automating the following tasks m Turns on the channel m Turns ona step Sets trigger source to Internal Clock Sets acquisition to Averaging m Changes display style to Show Vectors Select a channel pair to perform a differential TDR measurement Press Diff to automatically set up the differential measurement for the channel pair All the tasks listed in step 2 are performed for both channels and the pulse polarity of the second channel is set to negative Click the polarity button to toggle the step edge Set the vertical scale Units to V volts Q ohms or p rho If performing differential TDR select the channel TDR module with dual channel adjustment or the even numbered channel of the channel pair TDR module with single channel adjustment for deskew adjustment Set the Deskew percent value 7 Lx wm Database Hist Cursor Heas Wert paz Acq Trig Rete TDR Disp Preset TDR Step ACG OnPolarty On Units a nr Setups PA Mls E E E r E r T Step Des
99. zontal Autoset Properties El x TER Options T Display Incident Edge Autoset Close Help Math Expression Filter C5 2 Backspace Filter Risetime 1 000ns E Gear FiterMode Centered Apply Cancel Help DSA8200 Quick Start User Manual Skew and Deskewing 8 Select M2 from the Math Waveform Define ie area and create a math expression for the channel Filter C6 Set the Filter i ee Risetime value as before then check the On box to display the math waveform Dismiss the dialog box na Fall Aal falinil WER Eur Kar Fa i ine 1000n BEE 9 Display the Measurement Setup dialog box by choosing Measurement from the Setup menu 10 Click the Select Meas button and choose the Delay measurement from the Pulse Timing list Set Source 1 to M1 and Source 2 to M2 DSA8200 Quick Start User Manual 83 Skew and Deskewing 84 11 Click the Region tab in the Setup dialog box and set the Slope to for each Source 12 Display the TDR setup menu by clicking on the TDR tab Choose which channel you want to adjust from the Step Deskew area Adjust the Step Deskew value until the measurement reads near zero NOTE For future use with the same configuration i e instrument modules cables and or fixtures save the setup by Selecting File gt Save Setup As from the menu bar pov BE 100 00 BEE Ei ma F s l ja la z3 HE

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