Tektronix DPO71254C

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Math setups

268 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series

Table of Contents

Default Chapter5
- Table of Contents5
- Introduction31
About Tektronix Oscilloscopes33
- Product Description33
- Product Software36
- Options and Accessories36
  - Recommended Accessories36
  - Options42
- Documentation and Technical Support47
- Working with Your Tektronix Oscilloscope54
Controls and Connectors101
- Front Panel Controls and Connectors101
- Rear and Side Panel Connectors113
Cursor Setups117
- Cursor Setup Control Window (YT Display Format)117
- Track Mode118
- Cursor Type Control Window119
- Cursor Sources (YT Display)120
- Cursor Style121
- Cursor Position Control Window122
- Horizontal Bar Cursors123
- Vertical Bar Cursors124
- Waveform Cursors124
- Screen Cursors125
- Cursor Track Mode125
- Cursor Measurements126
- Cursor Setup Control Window (XY Display Format)128
Digital Setups131
- Digital Setup Control Window131
- Setting up Digital Signal Inputs132
- Digital Channel Threshold and Position133
- Turn on or off the Digital Channels D15-D8 and D7-D0135
- Set the Display Size of Logic Channels136
- Set the Global Threshold for Digital Channels136
- Set up Digital Channels137
Bus Setups139
- Bus Setup Control Window (Config Tab)139
- Bus Selection List141
- Bus Search Selection List142
- Display or Clear a Bus143
- Label a Bus143
- Change the Bus Position145
- Set up an I2C Serial Bus145
- Set up an SPI Serial Bus147
- Set up an RS-232 Serial Bus148
- Set up a USB Serial Bus150
- Set up a MIPI DSI-1 Serial Bus152
- Set up a MIPI CSI-2 Serial Bus153
- Set up an 8B10B Serial Bus155
- Set up a Custom Serial Bus156
- Set up a Pcie Serial Bus158
- Set up a CAN Serial Bus159
- Set up a LIN Serial Bus161
- Set up a FLEXRAY Serial Bus162
- Set up a MIL-1553 Serial Bus164
- Set up an Ethernet Serial Bus165
- Select the Number of Lanes167
- Select the Serial Bus Channel Type167
- Select the Serial Bus Channel Input168
- Select the USB Serial Bus Speed169
- Select the USB Bus Signal Type170
- Select the Data Rate170
- Select the Serial Bus Input171
- Select the USB Bus Threshold171
- Select the Serial Bus Channel Threshold172
- Select the SPI Bus Channel Polarity173
- Select the RS-232 Bus Channel Polarity173
- Select the RS-232 Bus Data Bits174
- Select the RS-232 Bus Parity175
- Select the RS-232 Bus Bit Rate175
- Select the SPI Bus Framing176
- Set the SPI Bus Idle Time177
- Set the SPI Bus Word Size177
- Select the SPI Bus Bit Order178
- Set up a Parallel Bus179
- Set up a Clocked Parallel Bus180
- Add Sources to a Parallel Bus181
- Set up Bus Channel Thresholds182
- Change the Bit Order of a Channel in a Parallel Bus183
- Remove a Channel from a Parallel Bus184
- Select the Bus Clock Source Channel184
- Select the Bus Clock Channel Polarity185
- Bus Setup Control Window (Display Tab)186
- Select the Bus Display View189
- Select the Bus Decode Method190
- View Bus Packet190
- Select the Bus Symbol Table191
- Symbol File Format192
  - Opening a Bus Symbol Table File193
Magnivu Setup195
- Using Magnivu195
Display Setups199
- Display Control Window (Appearance Tab)199
- Display Control Window (Screen Text Tab)200
- Text Properties Control Window201
- Display Control Window (Objects Tab)202
- Display Control Window (Colors Tab)203
- Display Persistence204
- Select the Display Format205
- XY Format Pairs206
- Set the Waveform Intensity206
- Select the Waveform Interpolation207
- Select the Graticule Style208
- Define the Color Palette209
- Remote Operation211
Horizontal and Acquisition Setups213
- Horizontal-Acquisition Control Window (Horizontal Tab)213
- Set Record Length Limit214
- Horizontal Digital Control Window215
- Horizontal Position-Scale Control Window216
- Horizontal Position-Scale Control Window with Delay Mode on217
- Horizontal-Acquisition Control Window (Acquisition Tab)218
- Autoset219
- Set Autoset Preferences221
- Undo an Autoset221
- Enable Enhanced Effective Number of Bits222
- Enable Fast Acquisitions223
- Start and Stop Waveform Acquisitions224
- Enable Roll Mode225
- Select a Sampling Mode226
- Set the Resolution228
- Select the Acquisition Mode229
- Acquisition Interval230
- Fastframe Control Windows230
- Set up Zoom232
Error Detector Setups235
- Use the Serial Error Detector235
- Set up the Serial Error Detector236
- Set Error Detector Advanced Settings238
- Specify the Error Detector Test Pattern239
- Set the Error Detector Stop Condition240
- Error Detector Overview240
Linktraining243
- Link Training Environment243
- Link Training Connections244
- Start Link Training245
- Typical Link Training Display246
- Results Table247
- Using Link Training from the Programming Interface247
Mask Testing Setups249
- Mask Setup249
- Tolerance Setup258
  - Set up Mask Testing Source-Tolerance258
  - Set up Mask Margins258
- Fail Setup259
- Fail Results Setup265
- User Mask Setup268
- Limit Test272
Math Setups277
- Set up a Math Waveform277
- Set up Math Averaging278
- Set Math Variables279
- Custom Analysis Functions279
- Use Custom Analysis Functions280
- MATLAB Custom Analysis Interface280
- Basic Spectral Setups281
  - Set up Basic Spectral Analysis281
  - Use Front Panel Spectral Controls282
- Advanced Spectral Setups282
- Using Spectral Analysis287
- Math Equation Editor292
Measurement Setups301
- Measurement Snapshot Control Window301
- Measurement Setup Control Window (Amplitude Tab)302
- Measurement Readouts303
- Select an Amplitude Measurement304
- Measurement Setup Control Window (Time Tab)307
- Select a Time Measurement308
- Measurement Setup Control Window (Communications Tab)310
- Select a Communications Measurement312
- Measurement Setup Control Window (more Tab)314
- Select a Miscellaneous Measurement316
- Counter Measurement Setup317
- Set up Measurement Statistics319
- Set up Reference Levels320
- Set up Measurement Gating322
- Set up Histogram Measurements323
- Set up Histograms324
Analyzing Waveforms329
- Control Marks329
- Select a Search Type330
- Select the Search Type331
- Select the Search Source331
- Configure a Search333
- Copy Search Settings334
- Set Advanced DDR Search Settings335
- Set Search Parameters336
- Check Search Results337
- View the Search Counts Results338
- View Search Marks339
- Set the Search Mode339
- Use Search and Mark Controls340
- Control User Marks in Table342
- Change Mark Display Digits342
- Export a Mark Table343
- View Mark Counts344
- Set up a Visual Search344
- Set up 8B10B Search Parameters346
- Set up RS-232 Search Parameters348
- Set up SPI Search Parameters351
- Set up I2C Search Parameters353
- Set up USB Search Parameters357
- Set up MIPI Search Parameters364
- Set up Pcie Search Parameters370
- Set up CAN Search Parameters372
- Set up LIN Search Parameters375
- Set up FLEXRAY Search Parameters378
- Set up MIL-1553 Search Parameters382
- Set up Ethernet Search Parameters385
- Set up DDR Search Parameters391
- Set up Custom Search Parameters393
- Set up Parallel Search Parameters394
- View the Results Table395
- Copy the Results Table399
- Select Columns to Copy or Export400
- Save the Results Table401
Myscope Setups403
- Set up a Myscope Control Window403
- Use a Myscope Control Window404
- Measure Controls405
- Save a Myscope File as a Dialog Box406
- Open or Edit a Myscope Dialog Box407
Trigger Setups409
- Set up Trigger Controls (a Event Tab)409
- Select the Trigger Type410
- Set the Trigger Mode Controls412
- Set up the Trigger Holdoff414
- Set to 50415
- A Event Triggers415
- Sequence Triggering473
- B Event Trigger491
  - Set up Trigger Controls (B Event Tab)491
- Visual Triggering492
- Mode and Holdoff506
  - Set up Trigger Controls (Options Tab)506
  - Enable Trigger Position Correction508
Vertical Setups511
- Set up Vertical Controls511
- Set up Input Channels513
- Zoom Control Window515
- Waveform Display Control Window516
- Set the Position-Offset517
- Waveform Label Control Window518
- Vertical Offset Control Window519
- Using Offset to Avoid Clipping Signals520
- Termination Controls520
- Coupling Controls522
- Deskew-Attenuation Control Window523
- Bandwidth Control Window525
- Enhanced Bandwidth526
- Vertical Setup Control Window (Aux Tab)528
- Probe Setup Control Window529
- Probe Setup Control Window (Setup Type)531
- Probe Setup Control Window (D15-D0 Tab)533
- Probe Setup Control Window (Probe Compensation)534
- Probe Setup Control Window (Probe Tip Selection)536
- Probe Setup Control Window (Probe Deskew)537
- Probe Setup Control Window (Probe Attenuation)539
- Probe Controls Window541
- Probe Properties542
- Probe Setup Control Window (Probe Status)543
- Signal Path Compensation545
- Signal Path Compensation Status547
Copying and Printing549
- Copy Setup549
- Copying Procedures553
- Printing555
File Menu559
- Reference Waveform Setups559
- Instrument Setups563
- Action on Event566
  - Set up Action on Event566
  - Set up Save on Event567
- Print Setups568
- Saving568
Utilities579
- Tek Secure Erase579
- Set Time and Date580
- GPIB Configuration Control Window581
- LAN Server Status Control Window582
- External Signals Control Window582
- Touch Screen584
- Instrument Calibration Control Window584
- Instrument Diagnostics Control Window586
- E-Mail on Event Control Window587
  - Measurement Save Options588
- Multipurpose Knobs590
- User Preferences Control Window591
- Option Installation595
How to ?607
- Taking Measurements625
- Creating and Using Math Waveforms630
- Using Mask and Limit Testing635
- Using E-Mail on Event641
  - Send an E-Mail on Events641
- Creating Spectral Waveforms642
- Using Reference Waveforms647
- Using Waveforms648
- Using Horizontal Delay651
Oscilloscope Reference681
- Functional Model681
- Process Overview682
- Waveform Acquisition683
  - Signal Connection683
  - Probes and Signal Connection683
  - Input Conditioning684
  - Bandwidth Enhancement684
  - Coupling685
  - Scaling and Positioning685
  - Vertical Acquisition Window Considerations686
  - Horizontal Acquisition Window Considerations688
  - Horizontal Acquisition Window Interrelated Parameters689
  - Independent Versus Shared Window690
  - Incompatible Acquisition Features690
  - Autoset Considerations691
  - Acquisition Hardware691
  - Sampling Process692
  - Sampling Modes693
  - Waveform Record693
  - Interleaving694
  - Interpolation694
- Trigger Function695
  - Triggering Concepts695
  - Trigger Sources696
  - Trigger Types697
  - Trigger Modes698
  - Trigger Holdoff698
  - Trigger Coupling699
  - Trigger Slope and Level699
  - Horizontal Trigger Position700
  - Delayed Trigger System700
  - Advanced Triggering700
  - Bus Trigger701
  - Communication Trigger701
  - Communication Triggering701
  - Glitch Trigger702
  - Pattern Trigger702
  - Runt Trigger703
  - Setup and Hold Trigger703
  - State Trigger704
  - Timeout Trigger705
  - Transition Time Trigger705
  - Video Trigger705
  - Width Trigger706
  - Window Trigger706
  - Sequential Triggering706
  - Triggering with Horizontal Delay off706
  - Triggering with Horizontal Delay on707
  - Triggering and Horizontal Delay Summary708
- Waveform Display709
  - Display Overview709
  - Display Elements710
  - Customizable Display Elements712
  - Acquisition Preview715
  - Waveform Display715
  - Operations on the Time Base716
  - Horizontal Position and the Horizontal Reference Point716
  - Using the Multizoom Feature717
- Waveform Measurement717
  - Automatic Measurements717
- Measurement Variables719
- Measurement Algorithms722
- Measurements on Envelope Waveforms730
- Missing or Out-Of-Range Samples731
- Measurement Warnings731
- Measurement Errors732
- Cursor Types732
- Histograms733
- Typical Math Waveforms734
- Math Waveforms735
- Math Waveform Differentiation736
- Math Waveform Sources737
- Math Waveform Expression Syntax738
- Offset Position Scale and Math Waveforms739
- Waveform Integration739
- Math Plugins740
  - Using Math Plugins740
  - Writing Math Plugins740
  - MATLAB Custom Functions746
- Spectral Math Waveforms748
- Spectral Math Controls748
- Spectral Math Time Controls749
- Spectral Math Gating Controls751
- Spectral Math Frequency Domain Controls752
- Spectral Math Magnitude Controls754
- Spectral Math Phase Controls756
- Spectral Analyzer Window Types760
- Flattop2 Window763
- Gaussian Window764
- Hamming Window765
- Hanning Kaiser-Bessel and Blackman-Harris Windows765
- Rectangular Window767
- Tek-Exponential Window768
- Recognizing Aliasing769
- Mask Testing770
  - Mask Key Points770
  - Serial Mask Testing with Mask Testing771
  - Levels Used in Taking Eye Measurements772
  - Output773
  - Miscellaneous775
- Data Threshold783
- Dead Time between Acquisitions783
- Delay Edges783
- Delay783
- Trigger Delay783
- Trigger Events783
- Select Digital Input Icapture784
- Set up Trigger Path Alignment784
- Set Logic Properties785
- Set the Logic Thresholds785
- Select the Display Style786
- Select the Math Color787
- Select the Reference Color788
- Select the Trigger Level Marker788
- Duty Cycle Distortion789
- Edit a User Mask789
- Editor Button789
- Enter Math Equation Editor (Operands)789
- Set up E-Mail on Trigger790
- Extinction Ratio790
- Extinction Ratio Decibel790
- Eye Base790
- Eye Diagram790
- Eye Height790
- Eye Top791
- Eye Width791
- Set up E-Mail Configuration791
- Send an E-Mail on Trigger793
- Fall Time793
- Fastframe Acquisitions793
- Force a Trigger794
- Frequency794
- Frequency Span794
- Getting the Analysis and Connectivity Support Tools794
- Ground Terminal794
- Guidelines for Working with Math Waveforms794
- High795
- High Impedance Probes795
- High Reference795
- Histogram Box Limits - Horizontal795
- Histogram Box Limits - Vertical796
- Histogram Box Location - Horizontal797
- Histogram Box Location - Vertical797
- Histogram Max798
- Histogram Mean798
- Histogram Min798
- Hits in Box798
- Maximum798
- Mean Plus or Minus 1 Stddev798
- Mean Plus or Minus 2 Stddev798
- Mean Plus or Minus 3 Stddev799
- Minimum799
- Peak Hits799
- Pk-Pk799
- Stddev (Standard Deviation)799
- Waveform Count799
- Median799
- Set the Horizontal Delay799
- Set the Horizontal Position799
- Horizontal Position-Scale Control Window (Delay Mode)800
- Set the Horizontal Position800
- Set the Horizontal Scale800
- Horizontal Reference Marker801
- Horizontal Delay Mode801
- Set the Horizontal Delay801
- Set the Horizontal Scale When Delay Is on802
- Acquisition Mode802
- Set Horizontal Delay and Horizontal Position806
- Horizontal Control Window Readouts807
- Horizontal Controls807
- I2C Addressing Mode809
- Installing Software809
- Interactions of Roll Mode and Other Instrument Settings809
- IVI Drivers809
- Jitter 6 Sigma810
- Jitter Peak-To-Peak810
- Jitter Root Mean Square810
- Lock Mask810
- Logic Pattern810
- Logic Pattern Inputs810
- Logic Pattern Trigger Criteria810
- Logic Pattern and State Pattern Editor (Bus Tab)811
- Logic Pattern and State Pattern Editor (Digital Tab)812
- Logic Clock Inputs812
- Logic Pattern Format813
- Logic Pattern Setup813
- Logic State Inputs813
- Logic State Trigger Criteria814
- Low814
- Low Impedance Probes814
- Low Reference814
- Enable Mask Autoset Autofit814
- Mask Autoset Horizontal Controls815
- Select the Mask Autoset Mode815
- Control the Mask Autoset Trigger Level816
- Set Mask Autoset Vertical Controls816
- Mask Hit Count817
- Math Arbitrary Filters817
- Enter a Math Expression825
- Display a Math Equation825
- Set the Math Display and Vertical Controls826
- Maximum826
- Mean826
- Set up a Histogram Measurement826
- Set up the Measurement List829
- Minimum830
- Natural Antilog830
- Negative Duty Cycle830
- Negative Overshoot830
- Negative Width Measurement830
- Noise Peak-To-Peak830
- Noise Root Mean Square830
- Normal Trigger Mode830
- Nyquist Frequency831
- Set up Zoom Autoscroll831
- Set the Cursor Position (XY Display)831
- Set Display Persistence832
- Set the Fastframe Analyze Tab Controls833
- Set up Fastframe Setup Tab Controls834
- Set up Fastframe View Tab Controls835
- Select Waveform Save Options836
- CSV Text Format838
- Set Mask Test Controls839
- Set up a Delay Measurement840
- Set up a Phase Measurement841
- Myscope Controls843
- Select Timestamp Save Options843
- Select the Graticule Size844
- Select the Termination-Coupling844
- Offset and Clipping845
- The On-Screen Multiview Zoom Menu846
- Peak to Peak846
- Period846
- Select Trigger Polarity846
- Positive Duty Cycle846
- Positive Overshoot847
- Positive Width847
- Predefined Functions847
- Probe Calibration Output847
- Probe Calibration Restrictions847
- Probe Compensation848
- Probe Compensation Adjustment848
- Probe Compensation Output848
- Quality Factor848
- Recall a Template Waveform848
- Recall a Mask849
- Horizontal Modes849
- Reference Point851
- Resolution Bandwidth851
- Rise Time851
- Rms851
- Set the RS-232 Baud Rate851
- Select the RS-232 Data Parity852
- Set the Upper and Lower Threshold Values852
- Runt Trigger Criteria852
- Save a Mask852
- Scallop Loss852
- Selecting a Spectral Window853
- Selected Waveform Versus Deselected Waveform854
- Sequence Triggering (Horizontal Delay On)855
- Change the Serial Bit Rate856
- Select the Serial Clock Source856
- Select the Serial Coding Standard856
- Select the Serial Data Format857
- Select the Serial Data Source857
- Select the Serial Data Standard857
- Serial Mask Testing Option857
- Define the Serial Pattern Data857
- Define the Serial Trigger on Pattern858
- Set up Fastframe Operation859
- Set to 50 with Comm Triggers859
- Clock Source Channel859
- Set the Clock Threshold Level859
- Select the Data Source Channel860
- Set the Data Threshold Level860
- Set the Setup and Hold Times860
- Enter a Spectral Math Equation860
- Enter a Spectral Math Expression860
- Spectral Tracking862
- Set up the Spectral Vertical Axis862
- Set the Spectral Vertical Controls864
- SPI Bus Trigger Polarity865
- SPI Bus Trigger Threshold865
- SPI Data Source865
- Supported Ades865
- Tekprobe-Tekvpi Interfaces865
- Set the Timeout Trigger Criteria865
- Set the Time-Out Value866
- Set the Upper and Lower Threshold Levels for Transition Time866
- Set the Transition Time Trigger Criteria866
- Trigger Coupling866
- Set the Glitch Width Criteria866
- Trigger Graticule866
- Trigger Holdoff (Auto)866
- Trigger Holdoff (Random)867
- Trigger Holdoff (Time)867
- Set the Trigger Level867
- Select the Trigger on Options867
- Select the Bus Trigger on Data867
- Select the Glitch Trigger Polarity867
- Set the Trigger Qualification868
- Set the Trigger Occurs and Qualification868
- HF Filtering869
- Envelope Triggering869
- Set the Trigger Reset Conditions870
- Trigger Settings (Shared - Independent)870
- Trigger Source870
- Trigger Summary871
- Window Event Trigger871
- Set the Trigger Width Limits871
- Set the Trigger Polarity871
- Using Fastframe Acquisitions872
- Use Print Screen872
- Analyze Menu872
- Cursors Menu872
- Digital Menu873
- Display Menu873
- Edit Menu873
- File Menu873
- Horizontal-Acquisition Menu873
- Mask Menu873
- Math Menu873
- Myscope Menu873
- Measurement Menu874
- Trigger Menu874
- Utilities Menu874
- Vertical Menu874
- Set the Vertical Position874
- Set the Vertical Scale875
- Select the Bandwidth876
- Bus Pattern Condition877
- Bus Selection877
- Bus Time Condition877
- Trigger Logic State Condition877
- Set the Parallel Bus Pattern877
- Bus Pattern Editor (Bus Tab)878
- Bus Pattern Editor (Bus Tab)879
- Bus Pattern Editor (Logic Tab on MSO Series)882
- Bus Pattern Editor (Live Tab)883
- Bus Pattern Format884
- Bus Trigger on Selections885
- Set Logic Thresholds885
- Select the Coupling889
- Set Display Characteristics889
- Set the Offset890
- Set the Vertical Position-Scale891
- Select the Probe Controls893
- Select the Termination894
- Set the Termination Voltage895
- Video Trigger Autoset896
- Select the Video Trigger Format896
- Specify the Video Trigger Holdoff896
- Select the Video Trigger Polarity896
- Working with Your Oscilloscope897
- Set the Window Trigger Levels897

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