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Tektronix TDS6000B Series Quick Start User Manual Download Page 58

Analyzing Waveforms

Analyzing Waveforms

Your instrument features cursors, automatic measurements, statistics, histograms, math, spectral analysis, and advanced
pass/fail tests 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

1.

Select

Measure > Measurement

Setup...

.

2.

Select the channel, math or reference
waveform that you want to measure.

3.

Using the tabs, select up to
8 measurements in

fi

ve different

categories.

46

TDS6000B & TDS6000C Series Quick Start User Manual

Summary of Contents for TDS6000B Series

Page 1: ...TDS6000B TDS6000C Series Digital Storage Oscilloscopes Quick Start User Manual www tektronix com 071 1643 02...

Page 2: ...Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix Inc FastFrame OpenChoice iView Myscope Pinpoint and MultiView Zoom are trademarks of Tektronix Inc...

Page 3: ...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 maintena...

Page 4: ......

Page 5: ...enus and Control Windows 10 Inspect Your Instrument 12 Verify Internal Diagnostics Pass 12 Signal Path Compensation 13 Acquisition 15 Setting Up Signal Input 15 Using Default Setup 16 Using Autoset 17...

Page 6: ...ement 51 Taking Cursor Measurements 53 Setting Up a Histogram 55 Using Math Waveforms 56 Spectral Analysis Concepts 58 Using Spectral Analysis 60 Using Mask Testing 62 Setting Up E mail on Event 65 My...

Page 7: ...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...

Page 8: ...uld result in damage to this product or other property Symbols and Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the m...

Page 9: ...or recycled appropriately The symbol shown below indicates that this product complies with the European Union s requirements according to Directive 2002 96 EC on waste electrical and electronic equip...

Page 10: ...each with 8 bit resolution auxiliary trigger input and output Sample envelope peak detect high resolution waveform database and average acquisition modes Full programmability with an extensive GPIB co...

Page 11: ...the Help button or Help menu for information on virtually all controls and elements on screen Online help includes detailed instructions for using instrument functions See page 9 Accessing Online Hel...

Page 12: ...Preface viii TDS6000B TDS6000C Series Quick Start User Manual...

Page 13: ...2513 xx Online Help part of the application software Performance Verification a pdf file on the Product Software CD Programmer Online Guide files on the Product Software CD NIST Z540 1 and ISO9000 Cal...

Page 14: ...r 0 in 0 mm on rear feet 2 Before operating ensure that the ambient temperature is between 50 F to 113 F 10 C to 45 C CAUTION To ensure proper cooling keep the bottom and sides of the instrument clear...

Page 15: ...etwork You can connect your instrument to a network for printing file sharing internet access and other functions Consult with your network administrator and use the standard Windows utilities to conf...

Page 16: ...Second Monitor You can operate the instrument while using Windows and installed applications on an external monitor Follow the procedure below to set up a dual monitor configuration 4 TDS6000B TDS6000...

Page 17: ...ct the Settings tab Click on the grayed out external monitor 2 in the display box and drag it to the left of monitor 1 9 Select Yes when you are prompted to enable the new monitor 10 Click Apply and t...

Page 18: ...Getting Acquainted with Your Instrument Getting Acquainted with Your Instrument Front Panel Side and Rear Panels 6 TDS6000B TDS6000C Series Quick Start User Manual...

Page 19: ...Interface and Display The menu bar mode provides access to commands that control all of the instrument features and functions The toolbar mode provides access to the most common features TDS6000B TDS...

Page 20: ...Getting Acquainted with Your Instrument Control Panel 8 TDS6000B TDS6000C Series Quick Start User Manual...

Page 21: ...Index 2 Use the Contents Index or Find tab to select the topic and then click Display To navigate within the help system you can Click an outlined control shown in the help window to receive more spec...

Page 22: ...llowing techniques Click a menu and then select a command For a shortcut menu right click anywhere in the graticule or on an object The shortcut menu is context sensitive and varies with the area or o...

Page 23: ...data right click anywhere in the graticule Move the cursor to highlight the Clear Data text and left click to clear the data In the toolbar mode click a button to quickly access a setup control window...

Page 24: ...ernal Diagnostics Pass 1 Prerequisites instrument powered on for 20 minutes 2 Select Instrument Diagnostics 3 Click Run The test results appear in the diagnostics control window 4 Verify that all test...

Page 25: ...nce levels 1 Prerequisites instrument powered on for 20 minutes and all input signals removed 2 Select Instrument Calibration 3 If the status is Warm up wait until the status changes to Temp Then clic...

Page 26: ...Inspect Your Instrument 14 TDS6000B TDS6000C Series Quick Start User Manual...

Page 27: ...tailed information is available in the online help Setting Up Signal Input Use front panel buttons to set up your instrument to acquire the signal 1 Connect the probe to the input signal source 2 Sele...

Page 28: ...position determines the number of pretrigger and posttrigger samples The horizontal scale determines the size of the acquisition window relative to the waveform You can scale the window to contain a...

Page 29: ...oset may change the vertical position Autoset always sets vertical offset to 0 V If you use Autoset when one or more channels are displayed the instrument selects the lowest numbered channel for horiz...

Page 30: ...nd digitized Each channel has a dedicated input amplifier and digitizer Each channel produces a stream of digital data from which the instrument extracts waveform records Sampling Process Acquisition...

Page 31: ...ivalent time Sampling The instrument uses equivalent time sampling to extend its sample rate beyond its real time maximum sampling rate Equivalent time sampling is only used if Equivalent Time is sele...

Page 32: ...izontal delay is on the time from the trigger point to the horizontal reference is the horizontal delay Interpolation Your instrument can interpolate between the samples it acquires when it does not h...

Page 33: ...esolution lower bandwidth waveform Envelope mode finds the highest and lowest record points over many acquisitions Envelope uses Peak Detect for each individual acquisition Average mode calculates the...

Page 34: ...ck Mode and then select an acquisition mode 3 For Average or Envelope acquisition modes click the of Wfms control and then set the number of waveforms with the multipurpose knob For WfmDB mode click t...

Page 35: ...al signal processing enhanced bandwidth for more accurate rise time measurements to extend the bandwidth and flatten the passband at the full sample rate 20 GS s on the TDS6804B and 40 GS s on TDS6000...

Page 36: ...for the TDS6804B and 40 GS s and above for the TDS6000C instruments Use the DSP enhanced bandwidth when your signal have rise times less than 50 ps TDS6000C instruments or 100 ps TDS6804B instruments...

Page 37: ...de requires Sample Peak Detect or Hi Res acquisition mode 3 To stop acquisitions in Roll mode If you are not in Single Sequence push RUN STOP to stop Roll mode If you are in Single Sequence Roll mode...

Page 38: ...t the horizontal vertical and trigger controls or set the controls manually 2 Select Horiz Acq FastFrame Setup 3 Click FastFrame On 4 Select Rec Length and Frame Count Then use the multipurpose knobs...

Page 39: ...ant to preserve the data associated with each trigger event for further analysis or visual inspections Multiple frames are best viewed with the Normal Green or Gray color palettes because the dark blu...

Page 40: ...ed direction rising or falling signal voltage Pulse triggers are special purpose triggers that are primarily used with digital signals The following types of pulse triggers are available Glitch Runt W...

Page 41: ...e record that occurs before the trigger is the pretrigger portion The part that occurs after the trigger is the posttrigger portion Pretrigger data can be valuable when troubleshooting For example if...

Page 42: ...2 Set the source coupling slope and mode with these front panel controls 3 To select one of the other trigger types do one of the following Push ADVANCED Select a trigger type directly from the Trig...

Page 43: ...Trigger When Wider option or by the logical state of other channels using the Trigger When Logic option four channel models only Timeout Trigger when no pulse is detected within a specified time Trans...

Page 44: ...Pretrigger data has been acquired If ARM is on the trigger circuitry is filling the pretrigger portion of the waveform record If both TRIG D and READY are on a valid A event trigger has been recogniz...

Page 45: ...system looks for the B Event before triggering and displaying the waveform 1 Select Trig A Event Main Trigger Setup 2 Set the A trigger type and source in the A Event tab 3 Choose a function in the A...

Page 46: ...n to reset the trigger system if it occurs before the B trigger event When the reset event occurs the trigger system stops waiting for the B event and returns to waiting for the A event Quick Tips B t...

Page 47: ...parated from the trigger location by a significant interval of time 1 Push DELAY 2 2 Adjust the delay time with the horizontal POSITION control or enter the delay time in the control window 3 3 Adjust...

Page 48: ...Display Style To set the display style select Display Display Style and then select one of the following styles Displays waveforms with lines drawn between record points Displays waveform record point...

Page 49: ...points until you change one of the acquisition display settings Use for displaying points that may occur outside the normal acquisition envelope Variable persistence accumulates record points for a s...

Page 50: ...ment can display waveforms in two different formats Choose the format that best suits your needs Select Display Display Format Select Y T format to show a signal amplitude as it varies over time Selec...

Page 51: ...actual sample points than linear interpolation to accurately represent the waveform Adding Screen Text 1 Select Display Screen Text to access the Screen Text Setup control window 2 Enter up to eight...

Page 52: ...or making quick estimates of waveforms while leaving more room for automatic readouts and other data Use with automatic readouts and other screen text when display features are not needed Setting the...

Page 53: ...olor of the corresponding front panel vertical SCALE knob Monochrome Gray displays areas of the waveform with the highest sample density in lighter gray shades The areas of lowest sample density appea...

Page 54: ...es one for Record View and one for WfmDB Setting the Reference Colors Select Display Colors and then select one of the following Default uses the default system color for reference waveforms Inherit u...

Page 55: ...o split the screen and add a zoom graticule 2 Push HORIZ or VERT to select which axis to magnify in the zoom graticule Use the multipurpose knobs to adjust scale and position of the magnified waveform...

Page 56: ...e zoomed area horizontally click the horizontal marker below the Zoom box to select the zoomed area 5 Use the multipurpose knobs to adjust the horizontal position and factor of the selected zoom area...

Page 57: ...single zoomed area click a Zoom 1 4 button and then click an Auto Scroll button 3 To scroll multiple zoomed areas simultaneously click Lock and then click the Zoom1 4 buttons that you want to scroll...

Page 58: ...waveforms This section contains concepts and procedures for analyzing waveforms Detailed information is available in the online help Taking Automatic Measurements 1 Select Measure Measurement Setup 2...

Page 59: ...ect the measurements and then click Clear You can also choose a measurement for the selected waveform directly in the Measure menu See page 48 Automated Measurement Selections Quick Tips In roll mode...

Page 60: ...the maximum and minimum amplitude in the entire waveform or gated region Cycle RMS The true Root Mean Square voltage over the first cycle in the waveform or the first cycle in the gated region Oversh...

Page 61: ...id The duration of a burst a series of transient events and is measured over the entire waveform or gated region Histogram Measurements Measurement Description Wfm Ct Displays the number of waveforms...

Page 62: ...Eye Top The top value used in the extinction ratio measurements Eye Base The base value used in the extinction ratio measurements Crossing The eye crossing point expressed as a percentage of eye heigh...

Page 63: ...the gates by doing one of the following Click Cursor to set the gated area to the area between the cursors Click Zoom 1 4 to set the gated area to the Zoom 1 4 graticule Statistics Statistics turn on...

Page 64: ...erence levels to different relative or absolute values High and Low reference are used to calculate rise and fall times The default High reference is 90 and Low reference is 10 Mid reference is primar...

Page 65: ...or type from one of the following H Bars measure amplitude typically in volts or amperes V Bars measure horizontal parameters typically time Waveform and screen cursors measure vertical and horizontal...

Page 66: ...n the display Quick Tips Use the Cursor Track Mode to set the cursors to move in tandem Use the Cursor Independent mode to move the cursors separately If you use the zoom graticule you can place a cur...

Page 67: ...r example it is best to make the box wider than it is tall 2 Select Histogram Vertical or Histogram Horizontal from the shortcut menu 3 View the histogram at the top for horizontal histograms or the l...

Page 68: ...sing Math Waveforms Create math waveforms to support the analysis of your channel and reference waveforms By combining and transforming source waveforms and other data into math waveforms you can deri...

Page 69: ...ot implemented if the sources are not valid Math waveforms can be created from channel reference math source waveforms and from measurements Measurements can be taken on math waveforms in the same way...

Page 70: ...e vertical position and offset of the spectrum Display phase data as a function of frequency in radians degrees or group delay You may zero the phase value for magnitudes below a user defined threshol...

Page 71: ...he magnitude at the top of the display screen Reference Level does not change the spectral data but Reference Level Offset does Adjusting the Reference Level Offset causes the spectral waveform to mov...

Page 72: ...es how well a system passes a signal in terms of phase distortion Group delay is the derivative of the phase with respect to frequency This feature is not useful for analysis of harmonic content of si...

Page 73: ...tral Setup control window Click Controls and then use the multipurpose knobs to adjust the spectral waveform 6 You can view time domain and frequency domain waveforms simultaneously Use Gating to sele...

Page 74: ...spectrum This is useful if you process the spectrum off line and transform it back into a time domain trace Using Mask Testing Serial Mask Testing Option SM allows you to compare your signal to a pred...

Page 75: ...tical settings 8 Click Hit Count On to highlight violations during a mask test 9 Click Autoset to automatically align the waveform with the mask based on the characteristics of the input signal 10 Cli...

Page 76: ...you want to test 15 Click Pass Fail Test On to start the mask test 16 Click Repeat On to run the mask test continuously 17 Click the Pass Fail Results tab to view the test results 18 Click Pass Fail T...

Page 77: ...recipients e mail address es Separate multiple entries with a comma There is a limit of 252 characters in the e mail address box 3 Click Config and then enter the SMTP Server Address Contact your net...

Page 78: ...ails on event 7 To ensure that you have set up the e mail addresses correctly send a test mail by clicking Send If the recipient does not receive the test e mail you may need to adjust the configurati...

Page 79: ...for creating and using MyScope control windows Detailed information is available in the online help Creating a New MyScope Control Window 1 Select MyScope New Control Window 2 Click to expand a catego...

Page 80: ...es to remove any components you do not want included in the control 6 Click and drag the control to your MyScope control window The control will snap to the nearest grid location when you release the...

Page 81: ...d all of the controls are deleted Select a control and then click Delete Just the selected control is deleted 11 Click Save and then enter a name for your MyScope control window or use the default nam...

Page 82: ...ive most recently used MyScope windows 2 Select the MyScope control window you want to use and then click Open To display the active MyScope control window do the following 1 Select MyScope Current or...

Page 83: ...u want to edit and then click Open Quick Tips Some controls function differently in a MyScope control window than they do in the standard control window For details see the online help You can copy My...

Page 84: ...s select File Reference Waveforms Save Wfm 2 Select the source 3 You can save the waveform as a reference waveform in the instrument memory or as a wfm file in a Windows directory To save the waveform...

Page 85: ...Recall Wfm 2 To recall a waveform from a reference location select the reference location of the waveform Ref 1 through Ref 4 If you want to see the waveform displayed click Display On 3 To recall a...

Page 86: ...waveform 6 Use the controls to turn the display on reposition or label the Reference waveform change the scale save or recall Quick Tips You can save a number of different file types for external appl...

Page 87: ...o save a setup to a file in a Windows directory click Save 5 Select the location where you want to save the setup 6 Type a file name or use the default name Using a keyboard attached to the instrument...

Page 88: ...rument memory click one of the ten setups or the Default setup 4 To recall a setup saved in a file click Recall 5 Select the file that you want and click Recall Quick Tips You can recall any setup sto...

Page 89: ...e with other applications 1 To set the output content and format for images waveforms and measurements select File Export Setup 2 Click the tab for the type of data you will be exporting and set up th...

Page 90: ...efault name and then select a file type 7 Click Save Quick Tips To quickly save multiple screen captures select Set Front Panel Print Button to Export in the Export Setup dialog box and then click OK...

Page 91: ...t Copy Setup 2 Click the Images Waveforms or Measurements tab and then select the desired options To copy images waveforms or measurements use the following procedure 1 Select the item that you want t...

Page 92: ...ary you can make changes to the page orientation in the Page Setup dialog box Your Print and Page Setup dialog boxes will depend on the printer you are using 2 Click Page Setup 3 Select either Full Sc...

Page 93: ...e Measurement Software to measure disk drive signals according to IDEMA standards Use TDSDVD Optical Storage Analysis and Measurement Software for automatic amplitude and timing measurements providing...

Page 94: ...Run Application Software 82 TDS6000B TDS6000C Series Quick Start User Manual...

Page 95: ...Instead of saving screen shots and waveform data to a CD or USB memory device and then generating a report later try using the OpenChoice architecture to document your work in real time To make your i...

Page 96: ...ord document wherever you want to place the screen shot and then press Ctrl V Quick Tips The oscilloscope comes with a variety of OpenChoice software tools designed to ensure maximum efficiency and co...

Page 97: ...ter period of signal activity with high resolution or a much longer period of signal activity with lower resolution Some applications such as capturing laser or radar pulses require that the instrumen...

Page 98: ...acquiring all the trigger status lights will go out and the number of acquisitions specified will readout above the graticule 8 Click Frame and then use the multipurpose knob to scroll through the fra...

Page 99: ...the frames are overlaid with the currently selected frame shown in blue See screen capture below 13 To continue comparing frames click Frame and then use the multi purpose knobs to scroll as in steps...

Page 100: ...lloscope Cable allows you to connect your logic analyzer to a Tektronix oscilloscope enabling communication between the two instruments The Add External Oscilloscope wizard which is available from the...

Page 101: ...fmDB palette 41 FastFrame 26 example 85 Force trigger 29 Frame graticule style 40 Frequency domain controls 58 Front panel map 6 Full graticule style 40 G Gate position defined 59 Gate width and resol...

Page 102: ...fety Summary iii Sample acquisition mode 21 Sampling equivalent time 19 interpolated real time 19 real time 18 Sampling process defined 18 Saving e mail attachments 66 setup 75 waveforms 72 Screen cur...

Page 103: ...d autoset 17 Vertical units 59 Video trigger defined 31 W Waveform display style 36 recalling 73 saving 72 Waveform cursors 53 Waveform database acquisition mode 21 Waveform record defined 20 Width tr...

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