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TDS2000 Series Digital Storage Oscilloscope User Manual

1. Coupling Coupling allows you to filter the trigger signal used to trigger an acquisition Option Details DC Passes all components of the signal Noise Reject Adds hysteresis to the trigger circuitry this reduces sensitivity which reduces the chance of falsely triggering on noise HF Reject Attenuates the high frequency components above 80 kHz LF Reject Blocks the DC component and attenuates the low frequency components below 300 kHz AC Blocks DC components and attenuates signals below 10 Hz NOTE Trigger coupling affects only the signal passed to the trigger system It does not affect the bandwidth or coupling of the signal displayed on the screen Pretrigger The trigger position is typically set at the horizontal center of the screen In this case you are able to view five divisions of pretrigger information Adjusting the Horizontal Position of the waveform allows you to see more or less pretrigger information 9 40 TPS2000 Series Digital Oscilloscope User Manual Reference Video Trigger Options Settings Comments Video With Video highlighted triggering occurs on an NTSC PAL or SECAM standard video signal Trigger coupling is preset to AC Source CH1 Selects the input source as the trigger CH2 signal CH3 CH4 Ext Ext Ext 5 and Ext 10 use the signal Ext 5 applied to the EXT TRIG connector Ext 10 Polarity Normal Normal triggers on the negative edge of Inverted the sync pulse and Inverted triggers on
2. Display Push the DISPLAY button to choose how waveforms are presented and to change the appearance of the entire display Options Settings Comments Type Vectors Vectors fills the space between adjacent Dots sample points in the display Dots displays only the sample points Persist OFF Sets the length of time each displayed 1 sec sample point remains displayed 2 sec 5 sec Infinite Format YT YT format displays the vertical voltage in XY relation to time horizontal scale XY format displays a dot each time a sample is acquired on channel 1 and channel 2 Channel 1 voltage or current determines the X coordinate of the dot horizontal and the channel 2 voltage or current determines the Y coordinate vertical Contrast Makes it easier to distinguish a channel waveform from persistence Contrast controls the contrast of the Liquid Crystal Display and Brightness controls the intensity of the display backlight Brightness Use the multipurpose knob to adjust TPS2000 Series Digital Oscilloscope User Manual 9 17 Reference Depending on the type waveforms will be displayed in three different styles solid dimmed and broken 1 A solid waveform indicates a channel live waveform display The waveform remains solid when the acquisition is stopped if no controls are changed that make the display accuracy uncertain Changing the vertical and horizontal controls is allowed on stopped acq
3. Recall Waveform The Recall Waveform action recalls a waveform file from a CF card to a location in reference memory Options Settings orsubmenus Comments To Ref x Specifies the reference memory location to load the waveform to Select File Lists the contents of the current CF card folder and displays the next folder option Change Folder See File Management Conventions on page 7 3 and File Utilities on page 9 49 To Specifies the reference memory location to recall the waveform to Recall filename Loads the waveform from the such as TEKO000 CSV specified file to the location in reference memory and displays the waveform TPS2000 Series Digital Oscilloscope User Manual Reference Display Refs The Display Refs action displays or removes reference memory waveforms from the screen of the oscilloscope Options Comments RefA Displays or removes reference memory RefB waveforms from the screen RefC RefD Available only on a 4 channel oscilloscope Key Points Saving and Recalling Setups The complete setup is stored in nonvolatile memory When you recall the setup the oscilloscope will be in the mode from which the setup was saved The oscilloscope saves the current setup if you wait three seconds after the last change before you power off the oscilloscope The oscilloscope then recalls this setup the next time you apply power Recalling the Default Setup You can push the DEFAULT SETUP button
4. 1 2 Push the AUTOSET button Push the top option button to select Line to sync on all lines The AUTOSET Menu includes All Lines and Line Number options Manual An alternative method requires more steps but may be necessary depending on the video signal To use this method follow these steps 1 2 3 Push the TRIG MENU button to see the Trigger Menu Push the top option button and select Video Push the Sync option button and select All Lines or Line Number and turn the multipurpose knob to set a specific line number Push Standard NTSC Turn the SEC DIV knob to see a complete video line across the screen Turn the VOLTS DIV knob to ensure that the entire video signal is visible on the screen TPS2000 Series Digital Oscilloscope User Manual 4 29 Application Examples Ca Incoming video signal 75 Q terminator 4 30 TPS2000 Series Digital Oscilloscope User Manual Application Examples Using the Window Function to See Waveform Details You can use the window zoom function to examine a specific portion of a waveform without changing the main display If you want to view the color burst in the previous waveform in more detail without changing the main display follow these steps 1 Push the HORIZ MENU button to see the Horizontal Menu a
5. Application Examples Taking Simple Measurements o ooooooooooommomo 4 2 Using AUOSet soy a ene edad eed ea E E E 4 3 Taking Automatic Measurements 04 4 3 ii TPS2000 Series Digital Oscilloscope User Manual Table of Contents Measuring Two Signals lt 0 cc es ceen eee oe eee ee ee es 4 5 Using Autorange to Examine a Series of Test Points 4 8 Using an Isolated Channel to Analyze a Differential Communication Signal 421305 3s ods as 4 9 Viewing a Math Instantaneous Power Waveform 4 11 Taking Cursor Measurements 0 02 eee en 4 13 Measuring Ring Frequency and Amplitude 4 13 Measuring Pulse Width epi E ade bb 4 15 Measuring Rise Time a ra 4 17 Analyzing Signal Detail ev daa 4 19 Looking at a Noisy Signal o ooooooomomoom o 4 19 Separating the Signal from Noise 4 4 20 Capturing a Single Shot Signal 000 4 21 Optimizing the Acquisition 020 4 22 Measuring Propagation Delay 0 0 e ee eee 4 23 Triggering on a Specific Pulse Width 4 25 Triggering on a Video Maira eee eee ees 4 27 Triggering on Video Fields sti 4 28 Triggering on Video Lines win oe aS em dein ts 4 29 Using the Window Function to See Waveform Details 4 31 Viewing Impedance Changes in a Network 4 32 TPS2000 Series Digital Oscilloscope User Manual iii Table of Contents Math FFT Setting
6. Measuring Ring Frequency and Amplitude To measure the ring frequency at the rising edge of a signal follow these steps 1 Push the CURSOR button to see the Cursor Menu 2 Push Type gt Time 3 4 5 Push Source gt CH1 Push the Cursor 1 option button Turn the multipurpose knob to place a cursor on the first peak of the ring TPS2000 Series Digital Oscilloscope User Manual 4 13 Application Examples 6 Push the Cursor 2 option button 7 Turn the multipurpose knob to place a cursor on the second peak of the ring You can see the A delta time and frequency the measured ring frequency in the Cursor Menu CH1 at 540 0ns HH 2 1 852MH2 ay 0 44 Cursor 2 720ns 0 364 8 Push Type gt Amplitude 9 Push the Cursor 1 option button 10 Turn the multipurpose knob to place a cursor on the first peak of the ring 11 Push the Cursor 2 option button 12 Turn the multipurpose knob to place Cursor 2 on the lowest part of the ring You can see the amplitude of the ring in the Cursor Menu 4 14 TPS2000 Series Digital Oscilloscope User Manual Application Examples Type Source CH1 ay dim Cursor 1 1 46 Measuring Pulse Width If you are analyzing a pulse waveform and you want to know the width of the pulse follow these steps 1 Push the CURSOR button to
7. Push the MEASURE button to access automatic measurements There are eleven types of measurements available You can display up to five at a time Push the top option button to display the Measure 1 Menu You can choose the channel on which to take a measurement in the Source option You can choose the type of measurement to take in the Type option Push the Back option button to return to the MEASURE Menu and display the selected measurements TPS2000 Series Digital Oscilloscope User Manual 9 25 Reference Key Points Taking Measurements You can display up to five automatic measure ments at a time for a single waveform or divided among the waveforms The waveform channel must be on displayed to make a measurement Automated measurements cannot be taken on reference waveforms or while using XY or scan mode The measurements update about two times per second Measurement type Freq Period Mean Pk Pk Cyc RMS Min Max Definition Calculates the frequency of the waveform by measuring the first cycle Calculates the time of the first cycle Calculates the arithmetic mean amplitude over the entire record Calculates the absolute difference between the maximum and minimum peaks of the entire waveform Calculates a true RMS measurement of the first complete cycle of the waveform Examines the entire 2500 point waveform record and displays the minimum value Examines the entire 2500 point waveform re
8. Push Source gt CH1 Push the Cursor 1 option button ANNAU Turn the multipurpose knob to place a cursor on the active edge of the chip select signal o Push the Cursor 2 option button 9 Turn the multipurpose knob to place the second cursor on the data output transition The At readout in the Cursor Menu is the propagation delay between the waveforms The readout is valid because the two waveforms have the same SEC DIV setting 4 24 TPS2000 Series Digital Oscilloscope User Manual Application Examples Triggering on a Specific Pulse Width You are testing the pulse widths of a signal in a circuit It is critical that the pulses all be a specific width and you need to verify that they are Edge triggering shows that your signal is as specified and the pulse width measurement does not vary from the specification However you think there might be a problem To set up a test for pulse width aberrations follow these steps 1 Push the AUTOSET button to trigger a stable display 2 Push the Single Cycle option button in the AUTOSET Menu to view a Single cycle of the signal and to quickly take a Pulse Width measurement 3 Push the TRIG MENU button to see the Trigger Menu 4 Push Type gt Pulse TPS2000 Series Digital Oscilloscope User Manual 4 25 Application Examples 5 Push Source gt CHI 6 Turn the TRIGGER LEVEL knob to set the trigger level
9. CH 1 Ooo as To view the differential signal follow these steps 1 Connect the probe tip to one side of the signal 2 Connect the probe reference lead to the other side of the signal 3 Push the AUTOSET button For a more stable display push the SINGLE SEQ button to control the acquisition of the waveform Each time you push the button the oscilloscope acquires a snapshot of the digital data stream You can use the cursors or automatic measurements to analyze the waveform or you can store the waveform to analyze later 4 10 TPS2000 Series Digital Oscilloscope User Manual Application Examples Viewing a Math Instantaneous Power Waveform You can use a voltage probe a current probe and the oscilloscope math multiply function to view an instantaneous power waveform NOTE Be sure to understand the rating of the voltage or current probes you are using Do not exceed the probe rating See page 1 5 O To view a math instantaneous power waveform follow these steps 1 Connect a voltage probe to channel 1 and a current probe to channel 2 TPS2000 Series Digital Oscilloscope User Manual 4 11 Application Examples WARNING Do not float the P2220 probe reference lead to gt 30 N Vrms Use the P5120 floatable to 600 V rms CAT II or 300 Vrms CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differenti
10. Li Ion 8 1 manage power 8 1 operating time 8 5 recycling xvi Index 2 TPS2000 Series Digital Oscilloscope User Manual Index removal 1 10 replacement 8 11 self discharge 8 2 service 8 1 service life 8 3 storage 8 2 8 3 temperature recommended oper ating 8 2 TPSBAT 1 8 B 1 Bezel buttons xv Binary data RS 232 transfer 6 11 BMP file format 6 4 BNC connectors 1 6 Break signals RS 232 protocol 6 11 Brightness 9 17 Burst waveforms 5 3 Button names xv BW limit for vertical 9 52 C Calendar 9 48 Calibrate battery packs 8 8 check charge status 8 5 external charger 8 9 inside analyzer 8 10 length of time 8 10 Calibration 9 47 automatic routine 1 20 Centronics port 6 2 CF card 7 1 CH 1 CH 2 CH 3 or CH 4 connectors 2 15 MENU buttons 2 8 Channel coupling 9 52 menu 9 52 scale 2 4 Charge battery packs 8 6 charge time 8 6 check level 8 5 Charger battery external B 2 Cleaning C 1 Clock set date and time 9 48 Coarse resolution 9 52 Command abbreviating 6 13 Communications ports 6 2 CompactFlash card file management 7 3 File utilities 9 49 formatting 7 2 installation 7 1 PRINT button 7 4 Save operation indicator 2 14 saving files all 7 5 images 7 7 setups 7 5 waveforms 7 5 slot and LED locations 2 16 storage capacity 7 3 Compensation PROBE COMP connector 2 15 signal path 9 48 voltage probe check wizard 1 16 manual 1 17 Connectors BNC
11. by adding high frequency components if the entire waveform is not visible Turn the SEC DIV knob to provide the resolution you want in the FFT spectrum If possible set the oscilloscope to display many signal cycles If you turn the SEC DIV knob to select a faster setting fewer cycles the FFT spectrum shows a larger frequency range and reduces the possibility of FFT aliasing described on page 5 8 However the oscilloscope also displays less frequency resolution TPS2000 Series Digital Oscilloscope User Manual Math FFT To set up the FFT display follow these steps 1 Push the MATH MENU button to see the Math Menu 2 Push Operation gt FFT 3 Select the Math FFT Source channel In many cases the oscilloscope can produce a useful FFT spectrum even if the YT waveform is not triggered This is especially true if your signal is periodic or random noisy NOTE Trigger transient or burst waveforms and position as close as possible to center screen Nyquist Frequency The highest frequency that any real time digitizing oscilloscope can measure without errors is one half the sample rate This frequency is called the Nyquist frequency Frequency information above the Nyquist frequency is undersampled which causes FFT aliasing described on page 5 8 The math function transforms the center 2048 points of the time domain waveform into an FFT spectrum The resulting FFT spectrum contains 1024 points that go fro
12. m Characterize noise in DC power supplies m Test impulse response of filters and systems m Analyze vibration To use the Math FFT mode you need to perform the following tasks m Set up the source time domain waveform m Display the FFT spectrum m Select a type of FFT window Adjust the sample rate to display the fundamental frequency and harmonics without aliasing m Use zoom controls to magnify the spectrum m Use cursors to measure the spectrum NOTE For viewing the harmonics of power systems the harmonics feature available with the optional TPS2PWR1 Power Analysis application is optimized for power measurements TPS2000 Series Digital Oscilloscope User Manual 5 1 Math FFT Setting Up the Time Domain Waveform Before you use FFT mode you need to set up the time domain YT waveform To do so follow these steps 1 2 5 2 Push AUTOSET to display a YT waveform Turn the VERTICAL POSITION knob to move the YT waveform to the center vertically zero divisions This ensures that the FFT will show a true DC value Turn the HORIZONTAL POSITION knob to position the part of the YT waveform that you want to analyze in the center eight divisions of the screen The oscilloscope calculates the FFT spectrum using the center 2048 points of the time domain waveform Turn the VOLTS DIV knob to ensure that the entire waveform remains on the screen The oscilloscope may display erroneous FFT results
13. such as narrow pulses in a PWM pulse train if set to lt mode and the width is set to a relatively small time Edge Trigger mode The oscilloscope counts all edges of sufficient magnitude and correct polarity Video Trigger mode The Frequency Counter does not operate TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope Specifications Cont Measurements Cursors Amplitude difference between cursors AV AA or AVA Time difference between cursors At Reciprocal of At in Hertz 1 At Automatic Frequency Period Mean Pk Pk Cycle RMS Min Max Rise Measurements Time Fall Time Pos Width Neg Width Oscilloscope General Specifications Display Display Type 5 7 in 145 mm diagonal liquid crystal Display Resolution 320 horizontal by 240 vertical pixels Display Brightness Adjustable Display Contrast Adjustable temperature compensated Backlight Intensity 60 to 100 cd m typical Probe Compensator Output Output Voltage typical 5 V 10 into 1 MQ load Frequency typical 1 kHz Power Source Source Voltage of the 90 to 264 VACams from 45 Hz through 66 Hz Oscilloscope AC Adaptor Power Consumption Less than 30 W Adjustable through the Display menu TPS2000 Series Digital Oscilloscope User Manual A 11 Appendix A Specifications Oscilloscope General Specifications Cont Environmental Pollution Degree Pollution Degree 21 Do not operate in an enviro
14. the cursor measurements Cursor readouts display the measurement A Displays the absolute value of the difference delta between the cursors Cursor 1 ES Displays selected cursor location time is referenced to the trigger position and Cursor 2 amplitude to the reference connection For a Math FFT source measures Frequency and Magnitude Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual 9 15 Reference Delta A values vary with the following types of cursors m Time cursors display At 1 At and AV or AI AVV and so on Amplitude cursors and Magnitude cursors Math FFT source display AV AI AVV and so on m Frequency cursors Math FFT source display 1 AHz and AdB NOTE The oscilloscope must display a waveform for the cursors and cursor readouts to appear The oscilloscope displays the time and amplitude values for each waveform when you use Time cursors Key Points Cursor Movement Use the multipurpose knob to move Cursor 1 or Cursor 2 You can move the cursors only while the Cursor Menu is displayed The active cursor is represented by a solid line NW MM Amplitude cursors Time cursors Default Setup Push the DEFAULT SETUP button to recall most of the factory option and control settings but not all For more information refer to Appendix D Default Setup on page D 1 9 16 TPS2000 Series Digital Oscilloscope User Manual Reference
15. the positive edge of the sync pulse Sync All Lines Select appropriate video sync Line Number Odd Field Use the multipurpose knob to specify a Even Field line number when you select Line All Fields Number for the Sync option Standard NTSC Select the video standard for sync and PAL SECAM line number count Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual 9 41 Reference Key Points Sync Pulses When you choose Normal Polarity the trigger always occurs on negative going sync pulses If your video signal has positive going sync pulses use the Inverted Polarity selection Pulse Width Trigger Use Pulse Width triggering to trigger on aberrant pulses Options Pulse Source When Pulse Width Polarity Comments With Pulse highlighted triggering occurs on pulses that meet the trigger condition defined by the Source When and Set Pulse Width options Select the input source as the trigger signal Select how to compare the trigger pulse relative to the value selected in the Pulse lt Width option gt 33 ns to Use the multipurpose knob to set a width 10 0 sec Positive Select to trigger on positive or negative Negative pulses TPS2000 Series Digital Oscilloscope User Manual Reference Options Settings Comments Mode Auto Select the type of triggering Normal Normal mode is best for most Pulse Width trigger applications Coupling AC Selects the com
16. 7 Math FFT 5 8 The Math FFT function includes three FFT Window options There is a trade off between frequency resolution and amplitude accuracy with each type of window What you want to measure and your source signal characteristics will help you to determine which window to use Window Measure Characteristics Hanning Periodic Better frequency poorer magnitude waveforms accuracy than Flattop Flattop Periodic Better magnitude poorer frequency waveforms accuracy than Hanning Rectangular Pulses or Special purpose window for waveforms that transients do not have discontinuities This is essen tially the same as no window FFT Aliasing Problems occur when the oscilloscope acquires a time domain waveform containing frequency components that are greater than the Nyquist frequency refer to Nyquist Frequency on page 5 3 The frequency components that are above the Nyquist frequency are undersampled appearing as lower frequency components that fold back around the Nyquist frequency These incorrect components are called aliases TPS2000 Series Digital Oscilloscope User Manual Math FFT i lt Nyquist frequency one half sample rate Amplitude Lola A Frequency A A 4 Aliased frequencies Actual frequencies ee Eliminating Aliases To eliminate aliases try the following remedies m Turn the SEC DIV knob to set the sample rate to a faster setting Since you increase th
17. DC CAT III CAT III TPS2000 Series Digital Oscilloscope User Manual Appendix F TPS2000 Compatible Probe Maximum Voltages Differential Probes P5205 with 1103 Attenuation Gain 500X Setting Maximum Linear 130 V DC PK AC CAT 1 300 V DC PK AC CAT I Differential Mode Input 100 Vams CAT Il or 1 000 Vams CAT Il or Voltage between 100 V DC CAT Il 1 000 V DC CAT Il Probe Tips Ps 600 Vans CAT lll or 600 V DC CAT Ill Maximum Linear 1 000 Vams CAT Il or 1 000 Vams CAT Il or 1 000 V Common Mode Input 1 000 V DC CAT Il DC CAT Il Voltage between rak ju Probe Tip 600 Vams CAT Ill or 600 V 600 Vams CAT Ill or 600 V DC CAT Ill CAT Ill and Earth Ground TPS2000 Series Digital Oscilloscope User Manual F 3 Appendix F TPS2000 Compatible Probe Maximum Voltages Differential Probes Attenuation Gain Setting Maximum Linear Differential Mode Input Voltage between Probe Tips Maximum Linear Common Mode Input Voltage between either or Probe Tip and Earth Ground P5210 with 1103 560 V DC PK AC 440 VRMS CAT lor 440 V DC CAT I 440 VRMS CAT or 440 V DC CAT 100 VRMS CAT Ill or 100 V DC CAT Ill 2 200 Vrms CAT or 2 200 V DC CAT 2 200 Vrms CAT Il or 2 200 V DC CAT Il 1 000 Vrms CAT Ill or 1 000 V DC CAT III TPS2000 Series Digital Oscilloscope User Manual 1000X 5 600 V DC PK AC 4 400 VRMS CAT lor 4 400 V DC CAT I 4 400 VRMS CAT lor 4 400 V DC CAT I 1 000
18. Detect Captures 50 or greater amplitude of pulses 212 ns wide typical Response 50 s div to 5 us div in the center 8 vertical divisions DC Gain Accuracy 3 for Sample or Average acquisition mode 5 V div to 10 mV div 4 for Sample or Average acquisition mode 5 mV div and 2 mV div DC Measurement Measurement Type Accuracy levi Average of 16 wave 3 x reading 0 1 div 1 mV q forms with vertical position when 10 mV div or greater is selected at zero Average of 16 wave 3 x reading vertical position forms with vertical position 1 of vertical position 0 2 div not at zero l Add 2 mV for settings from 2 mV div to 200 mV div Add 50 mV for settings from gt 200 mV div to 5 V div Volts Measurement Delta volts between any 3 x reading 0 05 div Repeatability two averages of 16 Average Acquisition waveforms acquired under Mode same setup and ambient conditions The oscilloscope reverts to Sample mode when the SEC DIV horizontal scale is set from 2 5 us div to 5 ns div on 100 MHz models or from 2 5 us div to 2 5 ns div on a TPS2024 model Sample mode can capture 12 ns glitches TPS2000 Series Digital Oscilloscope User Manual A 5 Appendix A Specifications Oscilloscope Specifications Cont Horizontal Sample Rate Range TPS2012 and TPS2014 TPS2024 5 S s to 1 GS s 5 S s to 2 GS s Waveform Interpolation sin x x Record Length 2500 samples for each channel SEC DIV Range TPS20
19. Digital Oscilloscope User Manual B 3 Appendix B Accessories Optional Accessories Cont TPS2000 Series Digital Storage Oscilloscope User Manuals The user manual is available in these languages English 071 1441 XX French 071 1442 XX Italian 071 1443 XX German 071 1444 XX Spanish 071 1445 XX Japanese 071 1446 XX Portuguese 071 1447 XX Simplified Chinese 071 1448 XX Traditional Chinese 071 1449 XX Korean 071 1450 XX Russian 071 1451 XX P2220 1X 10X Probe Instructions The P2220 probe manual Do B 4 071 1464 XX English provides information on the probe and probe accessories P5120 20X Passive Hi Voltage Probe Instructions The P5120 probe manual 071 1463 XX English provides information on the probe and probe accessories TDS200 TDS1000 TDS2000 and TPS2000 Series Digital Oscilloscope Programmer Manual The programmer manual 071 1075 XX English provides command and svntax information TPS2000 Series Digital Storage Oscilloscope Service Manual The service manual 071 1465 XX English provides module level repair information TPS2000 Series Digital Oscilloscope User Manual Appendix B Accessories Optional Accessories Cont TPS2PWRI Power Analysis Application User Manuals The user manual is available in these languages English 071 1452 XX French 071 1453 XX Italian 071 1454 XX German 071
20. Frequency Hannina component FFT Zoom PA A 50 0 kHz 1 00 MS s Hanning 2 3 4 5 1 Frequency at the center graticule line 2 Vertical scale in dB per division 0 dB 1 Vrms 3 Horizontal scale in frequency per division 4 Sample rate in number of samples per second 5 FFT window type TPS2000 Series Digital Oscilloscope User Manual 5 5 Math FFT Selecting an FFT Window Windows reduce spectral leakage in the FFT spectrum The FFT assumes that the YT waveform repeats forever With an integral number of cycles 1 2 3 the YT waveform starts and ends at the same amplitude and there are no discontinuities in the signal shape A non integral number of cycles in the YT waveform causes the signal start and end points to be at different amplitudes The transitions between the start and end points cause discontinuities in the signal that introduce high frequency transients Time domain YT waveform lt Center 2048 _ data points Discontinuities Without windowing 5 6 TPS2000 Series Digital Oscilloscope User Manual Math FFT Applying a window to the YT waveform changes the waveform so that the start and stop values are close to each other reducing the discontinuities Time domain YT waveform Center 2048 data points Point by point multiply ee Window function Jeb Hanning YT waveform after windowing Gl With windowing TPS2000 Series Digital Oscilloscope User Manual 5
21. Invert 9 52 style of waveforms 9 18 type vectors or dots 9 17 XY format 9 17 YT format 9 17 DISPLAY button 2 14 9 17 Display Refs menu 9 35 Displaying waveforms 9 52 reference 9 35 Do Self Cal option 1 20 Dots display type 9 17 Dual time base 2 10 9 21 Index 4 TPS2000 Series Digital Oscilloscope User Manual Index E Edge trigger 9 37 EPSIMAGE file format 6 4 Error Log 9 47 EXT TRIG connector 2 15 probe compensation 1 17 F Factory calibration 9 49 Factory setup D 1 recalling 9 35 Fall time measurements 9 27 Fan 1 7 Features overview 1 2 FFT aliasing 5 8 remedies 5 9 FFT spectrum applications 5 1 displaying 5 4 magnify 5 10 measuring magnitude and fre quency with cursors 5 11 Nyquist frequency 5 3 process 5 1 readouts 5 5 Window 5 6 FFT Window Flattop 5 8 Hanning 5 8 Rectangular 5 8 FFT zoom horizontal 5 5 vertical 5 4 Field video trigger 9 41 File formats for images 6 4 File utilities 9 49 CompactFlash card contents 9 49 creating files or folders 9 50 deleting files or folders 9 45 9 50 navigating the directory structure 9 50 renaming files or folders 9 51 selecting files or folders 9 49 Fine resolution 9 52 Firmware updates 9 50 Flattop window 5 8 Floating measurements 1 4 Folders creating 9 50 deleting 9 45 9 50 renaming 9 51 FORCE TRIG button 2 11 Format CompactFlash card 7 2 display 9 17 image file 6 4 printer 6 3 Fr
22. J 2 channel model Tektronix TPS2024 Bee ce oscuccecore T O ha c AF a Se APPLICATION Ss pispray veraucr serv Oz 5656 m TRIGGER BB O E EE POSTION Si MHORIZONTAL MN VOLTS DIV VOLTS DIV VOLTS DIV CHECK PROBE COMP EXT TRIG TYPE 1 ComPactFlash _ APPUGATION sary lt enee TL CHARGING CY O ji p Zn 20 SEE BACK PANEL FOR RATINGS g J E im j 4 channel models TPS2000 Series Digital Oscilloscope User Manual 2 1 Operating Basics The front panel buttons can be illuminated through the Utilities menu This illumination does not significantly affect the duration of the charge on the battery packs when you operate the oscilloscope from battery packs only Display Area In addition to displaying waveforms the display is filled with many details about the waveform and the oscilloscope control settings NOTE For details on displaying the FFT function refer to page 5 5 1 2 3 4 5 EW Limit n 20MHz Volts Div l garse N Frobe 10 Voltage Invert Off CH1y1 00Vey CH2 1 004 M 100 15 W100ms CHI 1 00 750mV A A 15 Da DA to Setup 5 f ie 7 8 9 10 16 11 1213 14 2 2 TPS2000 Series Digital Oscilloscope User Manual Operating Basics 1 Icon display shows acquisition mode ial Sample mode ig Peak detect mode Jl Average mode 2 Trigger status indicates the following LI Armed The oscilloscope is
23. Spanish Portuguese Japanese Korean Simplified Chinese Traditional Chinese TPS2000 Series Digital Oscilloscope User Manual 9 47 Reference Key Points System Status Selecting System Status from the Utility Menu displays the menus available for obtaining a list of control settings for each group of oscilloscope controls Push any front panel menu button to remove the status screen Options Comments Horizontal Lists horizontal parameters of channels Vertical Lists vertical parameters of channels Trigger Lists trigger parameters Misc Lists the model of the oscilloscope and the software version number Lists the charge status of the battery packs Lists values of the communications parameters Setting the Date and Time You can use the Set Date and Time menu to set the clock date and time The oscilloscope displays this informa tion and also uses it to time stamp files written to the CF card The oscilloscope contains a built in nonreplaceable battery to maintain the clock settings The clock does not automatically adjust for seasonal time changes The calendar does adjust for Leap years 9 48 TPS2000 Series Digital Oscilloscope User Manual Reference Options Comments 1 Moves the field selection highlight up or down through the il list Use the multipurpose knob to change the value of the selected field Set Date and Updates the oscilloscope with the specified date and time Time Cancel Closes the menu
24. TPS2000 Series Digital Oscilloscope User Manual vii General Safety Summary viii Use Proper AC Adapter Use only the AC adapter specified for this product Do Not Operate Without Covers Do not operate this product with covers or panels removed Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Environment Pollution Degree 2 Do not operate in an environment where conductive pollutants may be present See Appendix A for Environmental characteristics 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 1 As defined in IEC61010 1 2001 Svmbols and Terms Terms in This Manual These terms mav appear in this manual WARNING Warning statements identifv conditions or practices that could result in injurv or loss of life CAUTION Caution statements identifv conditions or practices that could result in damage to this product or other propertv Terms on the Product These terms mav appear on the product DANGER indicates an injurv hazard immediatelv accessible as vou read the marking TPS2000 Series Digital Oscilloscope U
25. Tektronix shipping charges prepaid and with a copy of Customer proof of purchase 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 when the effect of such modification or integration increases the time or difficulty of servicing the product WARRANTY Continued P2220 Probe 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 PRO
26. 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 when the effect of such modification or integration increases the time or difficulty of servicing the product WARRANTY Continued TPSBAT Battery Pack 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 V
27. Up the Time Domain Waveform 5 2 Displaying the FFT Spectrum edita ia bb ned eens 5 4 Selecting an FFT Window escitas 5 6 Magnifying and Positioning an FFT Spectrum 5 10 Measuring an FFT Spectrum Using Cursors 5 11 Communications RS 232 and Centronics Sending a Screen Image to an External Device 6 1 Setting Up and Testing the RS 232 Interface 6 5 Command Batry i kien dein ku wkd Oe ae tt 6 13 Removable Mass Storage Installing and Removing a CompactFlash CF Card 7 1 CF Card Initial Read Time Lic Seed 7 2 Formatting a CF Card otros cia 7 2 CF Card Capacities taa 7 3 File Management Conventions 00e ee eee 7 3 Using the Save function of the PRINT Button T 4 Saves AN to NCS aaa ers ais 7 5 Saves Image to File 3 bii ei 4 tee we bute ee aes e 7 7 TPS2000 Series Digital Oscilloscope User Manual Table of Contents Managing TPSBAT Battery Packs Caring for Battery Packs Continuous Charging Charging Temperature c6 656 0 ee ees Discharging Temperature Short Term Storage 0 c66sece eee es Long Term Storage einer eds a AAA mi u Seg Transportation Information Checking the Charge and Calibration Status Charging Battery Packs Internal Carneros cued igen Sacre External Charge ul ee ee igh Partial CW aie xii Gh Ste ee et
28. V A 200 mV A 100 mV A 50 mV A 20 mV A Probe Scales 10 mV A 1 mV A Maximum Voltage Overvoltage Category Maximum Voltage Reference limpio CATH Reference at input BNC CATI 300 Vams CAT Ill 150 Vams Derate at 20 dB decade above 100 kHz to 13 V peak AC at 3 MHz and above For non sinusoidal waveforms peak value must be less than 450 V Excursion above 300 V should be less than 100 ms duration RMS signal level including any DC component removed through AC coupling must be limited to 300 V If these values are exceeded damage to the instrument may result Refer to the Overvoltage Category description on page A 15 Maximum Voltage 600 Vams CAT II or 300 Vams CAT III using rated connectors or Between BNC Refer accessories ence and Earth Ground A 2 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope Specifications Cont Inputs Channel Common Greater than 1000 1 up to 50 MHz derated to 400 1 at 200 MHz Mode Rejection sinewave with Volts Div setting at 5 mV typical With the signal applied between the channel signal and signal reference to chassis the ratio of the acquired signal amplitude to the amplitude of the signal Channel to Channel TPS2012 and TPS2014 TPS2024 Crosstalk gt 100 1 at 50 MHz gt 100 1 at 100 MHz Measured on one channel with test signal applied between signal and reference of the other channel and with the same VOLTS DIV and coupling settings o
29. VRMS CAT Ill or 1 000 V DC CAT III 2 200 Vrms CAT or 2 200 V DC CAT 2 200 Vrms CAT Il or 2 200 V DC CAT II 1 000 Vrms CAT Ill or 1 000 V DC CAT III Appendix F TPS2000 Compatible Probe Maximum Voltages Differential Preamplifier ADA400A with 1103 Attenuation Gain Setting Maximum Linear 80 V DC PK AC Differential Mode Input Voltage between Probe Tips Maximum Linear 40 V DC PKAC Common Mode Input A mee Voltage between either or Probe Tip and Earth Ground TPS2000 Series Digital Oscilloscope User Manual 10 V DC PK AC 40 V DC PK AC F 5 Appendix F TPS2000 Compatible Probe Maximum Voltages Differential Preamplifier ADA400A with 1103 Attenuation Gain 10X 100X Setting Maximum Linear 1 V DC PK AC 100 mV DC PK AC Differential Mode Input Voltage between Probe Tips Maximum Linear Common Mode Input Voltage between either or Probe Tip and Earth Ground 1 As defined in IEC 61010 1 2001 2 The float voltage must be subtracted from the tip to earth ground voltage For example if the reference lead is floated to 30 V pps the tip voltage to the reference lead is limited to 270 V pms 10 V DC PK AC 10 V DC PK AC F 6 TPS2000 Series Digital Oscilloscope User Manual A AAA Index Index Symbols in Value readout 4 4 b delimiter in manual xv A Abbreviating commands 6 13 Abort printing 6 3 AC adaptors battery charge
30. Width 1 00 ms Polarity Positive Auto Coupling Vertical system Coupling DC all channels BW Limit Volts Div Coarse e Probe Voltage Voltage Probe Attenuation 10X Current Probe Scale 10 A V Invert POSITION 0 00 divs 0 00 V VOLTS DIV 1 00 V e a U O TPS2000 Series Digital Oscilloscope User Manual D 3 Appendix D Default Setup D 4 The DEFAULT SETUP button does not reset the following settings Language option Saved setups Saved reference waveforms Front panel backlight Display contrast and brightness Calibration data Printer setup RS 232 setup Probe setup type and attenuation factor Date and time Current folder on the CF card TPS2000 Series Digital Oscilloscope User Manual A A Appendix E Font Licenses The following license agreements cover Asian fonts used in TPS2000 series oscilloscopes Copyright 1988 The Institute of Software Academia Sinica Correspondence Address P O Box 8718 Beijing China 100080 Permission to use copy modify and distribute this software and its documentation for any purpose and without fee is hereby granted provided that the above copyright notices appear in all copies and that both those copyright notices and this permission notice appear in supporting documentation and that the name of the Institute of Software Academia Sinica not be used in advertising or publicity pertaining to distribution of the software without specific written pr
31. adjust these controls NOTE The oscilloscope displays relevant automatic measurements in the waveform area of the screen based on the signal type detected For oscilloscope specific descriptions refer to page 9 10 in the Reference chapter Taking Automatic Measurements The oscilloscope can take automatic measurements of most displayed signals To measure signal frequency period and peak to peak amplitude rise time and positive width follow these steps 1 Push the MEASURE button to see the Measure Menu TPS2000 Series Digital Oscilloscope User Manual 4 3 Application Examples 2 Push the top option button the Measure 1 Menu appears 3 Push Type gt Freq The Value readout displays the measurement and updates NOTE If a question mark displays in the Value readout turn the VOLTS DIV knob for the appropriate channel to increase the sensitivity or change the SEC DIV setting 4 Push the Back option button 5 Push the second option button from the top the Measure 2 Menu appears 6 Push Type gt Period The Value readout displays the measurement and updates 7 Push the Back option button 8 Push the middle option button the Measure 3 Menu appears 9 Push Type gt Pk Pk The Value readout displays the measurement and updates 10 Push the Back option button 11 Push the second option button from the bottom the Measure 4 Menu appears 12 Push Type gt Rise Time The Value readout dis
32. and returns to the previous menu without saving anv changes Self Calibration The self calibration routine optimizes the oscilloscope accuracy for the ambient temperature For maximum accuracy perform a self cal if the ambient temperature changes by 5 C 9 F or more For accurate calibration power on the oscilloscope and wait twenty minutes to ensure it is warmed up Follow the directions on the screen Factory calibration uses externally generated voltages and requires specialized equipment The recommended interval is one year See Contacting Tektronix on page xvii for information on having Tektronix perform a Factory Calibration of your oscilloscope File Utilities You can use the File Utilities menu to do the following tasks List the contents of the current CF card folder m Select a file or folder m Navigate to other folders Create rename and delete files and folders Format the CF card TPS2000 Series Digital Oscilloscope User Manual 9 49 Reference Options Change Folder New Folder Delete filename or folder Confirm Delete Format Update Firmware Rename filename or folder Comments Navigates to the selected CF card folder Use the multipurpose knob to select a file or folder then select the Change Folder menu option to navigate to the selected folder To return to the previous folder select the Up folder item and then select the Change Folder menu option Creates a new f
33. change the horizontal time scale to magnify or compress the waveform Key Points SEC DIV If waveform acquisition is stopped using the RUN STOP or SINGLE SEQ button the SEC DIV control expands or compresses the waveform Use to zoom in on a detail of the waveform Scan Mode Display Roll Mode When the SEC DIV control is set to 100 ms div or slower and the trigger mode is set to Auto the oscilloscope enters the Scan acquisition mode In this mode the waveform display updates from left to right There is no trigger or horizontal position control of waveforms during scan mode See page 9 6 9 22 TPS2000 Series Digital Oscilloscope User Manual Reference Window Zone Use the Window Zone option to define a segment of a waveform to see more detail Zoom The Window time base setting cannot be set slower than the Main time base setting Vertical bars define Window Zone ZX lt Main Window Zone time base displaved displaved Window Expands the Window Zone to cover the entire screen Use to change between two time bases NOTE When vou change between the Main Window Zone and Window views the oscilloscope erases anv waveform saved on the screen through persistence Holdoff Use holdoff to help stabilize the displav of complex waveforms Refer to Holdoff on page 9 46 for more information TPS2000 Series Digital Oscilloscope User Manual 9 23 Reference Math Push the MATH MENU bu
34. complete information refer to the manual for the external charger To use the external charger follow these steps 1 Place up to two battery packs in the charger slots Battery packs are keyed so you can insert them only one way 2 The battery packs begin to charge immediately LEDs indicate which battery pack is being charged the status of the charge and when the charge is complete TPS2000 Series Digital Oscilloscope User Manual 8 7 Managing TPSBAT Battery Packs Battery pack Partial Charge Repeatedly charging partially discharged battery packs will cause them to become uncalibrated over time Calibrating Battery Packs Calibration refers to the ability of a battery pack to report its current capacity which the oscilloscope uses to calculate how much longer it can operate under the current conditions 8 8 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs A battery pack loses its calibration after repeated cycles of discharging and charging in which the battery pack is not allowed to fully discharge For example if you operate a battery pack for one hour a day or less and recharge it after each use over time the battery pack will become uncalibrated An uncalibrated battery pack cannot accurately report its remaining operating time The basic idea of calibration is to cycle the battery pack from a fully charged state to a fully discharged state and then back to a ful
35. hours on two 4 channel 4 5 hours on one battery pack 9 hours on two NOTE A message displays when there are approximately 10 minutes of operating time left on the battery packs For details on how to use charge calibrate and replace battery packs refer to Managing TPSBAT Battery Packs on page 8 1 For example battery packs need to be calibrated to accurately report available operating time To install battery packs follow these steps 1 Press the battery compartment door latch on the the right side panel and open the battery compartment 1 8 TPS2000 Series Digital Oscilloscope User Manual Getting Started 2 Orient the battery pack as shown on the oscilloscope and install the pack Battery packs are keyed so you can insert them only one way For single battery pack use install a pack in the lower receptacle This lowers the center of gravity 3 Close the battery compartment door a Battery Pack 2 Orient the battery pack TPS2000 Series Digital Oscilloscope User Manual 1 9 Getting Started To remove the battery packs follow these steps 1 Press the battery compartment door latch on the the right side panel and open the battery compartment 2 Grab the strap and lift up 3 Push the spring clip towards the outside of the battery pack and pull the strap to remove the battery pack 4 Close the battery compartment door Charging Battery Packs You can charge the batte
36. loading and reflections place a 75 ohm feedthrough terminator Tektronix part number 011 0055 02 or equivalent between the 75 ohm coaxial cable from the signal source and the oscilloscope BNC input Triggering on Video Fields Automatic To trigger on the video fields follow these steps 1 Push the AUTOSET button When Autoset is complete the oscilloscope displays the video signal with sync on All Fields The oscilloscope sets the Standard option when you use the Autoset function 2 Push the Odd Field or Even Field option buttons from the AUTOSET Menu to sync on odd or even fields only Manual An alternative method requires more steps but may be necessary depending on the video signal To use the manual method follow these steps Push the CH 1 MENU button Push Coupling AC Push the TRIG MENU button to see the Trigger Menu Push Source gt CHI Push the Sync option button and select All Fields Odd Field or Even Field 1 2 3 4 Push the top option button and select Video 5 6 4 28 TPS2000 Series Digital Oscilloscope User Manual Application Examples Push Standard NTSC Turn the horizontal SEC DIV knob to see a complete field across the screen Turn the vertical VOLTS DIV knob to ensure that the entire video signal is visible on the screen Triggering on Video Lines Automatic You can also look at the video lines in the field To trigger on the video lines follow these steps
37. oscilloscope settings Options Settings orsubmenus Comments Save To Setup Saves the current oscilloscope settings to a location in the nonvolatile setup memory File Saves the current oscilloscope settings to a file on the CF card Setup 1 to 10 Specifies which nonvolatile setup memory location to save to Select Folder Lists the contents of the current CF card folder Change Folder See File Management Conven tions on page 7 3 and File New Folder Utilities on page 9 49 Save filename Saves the settings to the auto such as TEKOOOO SET matically generated file name in the current CF card folder When the PRINT Button option is set to Saves All to Files the oscilloscope saves oscilloscope setup files to the CF card when you push the SAVE button For more information see page 7 5 TPS2000 Series Digital Oscilloscope User Manual 9 31 Reference Save Waveform The Save Waveform action saves the specified waveform to a file named TEKnnm CSV or to reference memory The oscilloscope saves waveform data to files as comma separated values CSV format which are ASCII text strings that list the time relative to the trigger and amplitude values for each of the 2500 waveform data points You can import CSV files into many spreadsheet and math analysis applications Options Settings or submenus Comments Save To Ref Specifies to save the source waveform data to a file on the CF card File Specifies to save the source
38. see the Cursor Menu 2 Push Type gt Time 3 4 5 Push Source gt CH1 Push the Cursor 1 option button Turn the multipurpose knob to place a cursor on the rising edge of the pulse Push the Cursor 2 option button Turn the multipurpose knob to place a cursor on the falling edge of the pulse TPS2000 Series Digital Oscilloscope User Manual 4 15 Application Examples You can see the following measurements in the Cursor Menu The time at Cursor 1 relative to the trigger m The time at Cursor 2 relative to the trigger m The A delta time which is the pulse width measurement at 5000 Us zz 2 000kHz av 1 38V Cursor 1 NOTE The Positive Width measurement is available as an automatic measurement in the Measure Menu described on page 9 25 The Positive Width measurement also displavs when vou select the Single Cvcle Square option in the AUTOSET Menu See page 9 13 TPS2000 Series Digital Oscilloscope User Manual Application Examples Measuring Rise Time After measuring the pulse width you decide that you need to check the rise time of the pulse Typically you measure rise time between the 10 and 90 levels of the waveform To measure the rise time follow these steps 1 7 8 9 Turn the SEC DIV knob to display the rising edge of the waveform Turn the VOLTS DIV and VERTICAL POSITION knobs to set the waveform amplitude
39. the file formats File format Extension Comments BMP The default this bitmap format uses a lossless compression algorithm and is compatible with most word processing and spreadsheet programs PCX PCX DOS Paintbrush format TIFF TIF Tagged Image File Format RLE RLE Run length encoding this format uses a lossless compression algorithm EPSIMAGE Postscript format NOTE The oscilloscope stores these settings until you change them even if you push the DEFAULT SETUP button If you use the RS 232 port you also need to set up the parameters for the port appropriately for your printer Testing the Printer Port To test the printer port follow these steps 1 If you have already connected the oscilloscope to a printer go to step 4 2 Power off the oscilloscope and the printer 3 Connect the oscilloscope to the printer using the appropriate cable 6 4 TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics 4 Power on the oscilloscope and the printer 5 If you have not done so already define an appropriate printer setup Refer to page 6 3 6 Push the PRINT button The printer begins printing a copy of the oscilloscope screen within twenty seconds depending on the selected printer Printing an Oscilloscope Screen Image To print a screen image push the PRINT button The oscilloscope takes a few seconds to capture the screen image The settings of your printer and print speed
40. this sample rate does not acquire 2500 points In this case a Digital Signal Processor interpolates points between the sampled points to make a full 2500 point waveform record Peak Detect Use Peak Detect acquisition mode to detect glitches as narrow as 10 ns and to limit the possibility of aliasing This mode is effective when at the SEC DIV setting of 5 us div or slower TPS2000 Series Digital Oscilloscope User Manual 9 3 Reference 9 4 Peak Detect acquisition intervals 1250 e Sample points displayed Peak Detect mode displays the highest and lowest acquired voltage in each interval NOTE If you set the SEC DIV setting to 2 5 us div or faster the acquisition mode changes to Sample because the sample rate is fast enough that Peak Detect is not necessary The oscilloscope does not display a message to tell you that the mode was changed to Sample When there is enough waveform noise a typical peak detect display shows large black areas The oscilloscope displays this area with diagonal lines to improve display performance Typical peak detect display TPS2000 peak detect display TPS2000 Series Digital Oscilloscope User Manual Reference Average Use Average acquisition mode to reduce random or uncorrelated noise in the signal you want to display Data is acquired in sample mode then a number of waveforms are averaged together Select the number of acquisitions 4 16 64 or 128 to average for the wav
41. to about five divisions Push the CH 1 MENU button Push Volts Div Fine Turn the VOLTS DIV knob to set the waveform amplitude to exactly five divisions Turn the VERTICAL POSITION knob to center the waveform position the baseline of the waveform 2 5 divisions below the center graticule Push the CURSOR button to see the Cursor Menu Push Type gt Time Push Source gt CHI 10 Push the Cursor 1 option button 11 Turn the multipurpose knob to place a cursor at the point where the waveform crosses the second graticule line below center screen This is the 10 level of the waveform TPS2000 Series Digital Oscilloscope User Manual 4 17 Application Examples 12 Push the Cursor 2 option button 13 Turn the multipurpose knob to place a cursor at the point where the waveform crosses the second graticule line above center screen This is the 90 level of the waveform The At readout in the Cursor Menu is the rise time of the waveform Type poa at 140 0ns 5 divisions 7 143MHz fa JAW 60 0ns 1 064 NOTE The Rise Time measurement is available as an automatic measurement in the Measure Menu described on page 9 25 The Rise Time measurement also displays when you select the Rising Edge option in the AUTOSET Menu Refer to page 9 13 4 18 TPS2000 Series Digital Oscilloscope User Manual Application Examples Analyzing Signal De
42. to initialize the oscilloscope to a known setup To view option and control settings that the oscilloscope recalls when you push this button refer to Appendix D Default Setup on page D 1 TPS2000 Series Digital Oscilloscope User Manual 9 35 Reference Saving and Recalling Waveforms The oscilloscope must display any waveform that you want to save Two channel oscilloscopes can store two reference waveforms in internal nonvolatile memory Four channel oscilloscopes can store four but only display two at a time The oscilloscope can display both reference waveforms and channel waveform acquisitions Reference waveforms are not adjustable but the oscilloscope does display the horizontal and vertical scales at the bottom of the screen Trigger Controls You can define the trigger through the Trigger Menu and front panel controls Trigger Types Three types of triggering are available Edge Video and Pulse Width A different set of options display for each type of trigger Option Details Edge default Triggers the oscilloscope on the rising or falling edge of the input signal when it crosses the trigger level threshold Video Displays NTSC or PAL SECAM standard composite video waveforms you trigger on fields or lines of video signals Refer to Video on page 9 41 Pulse Triggers on aberrant pulses Refer to Pulse Width Trigger on page 9 42 9 36 TPS2000 Series Digital Oscilloscope User Manual Reference Edge Trig
43. waveform data in reference memory Source CH x Ref x MATH Specifies which source waveform to save To Ref x Specifies the reference memory location in which to save the source waveform Select Folder Lists the contents of the current CF card folder Change Folder See File Management Conventions on page 7 3 and File Utilities on New Folder page 9 49 Save filename Saves the settings to the automati such as TEKO000 CSV cally generated file name in the current CF card folder Waveform must be displayed to save it as a reference waveform 9 32 TPS2000 Series Digital Oscilloscope User Manual Reference Recall Setup The Recall Setup action recalls an oscilloscope setup file from a CF card or from a location in nonvolatile setup memory Options Settings orsubmenus Comments Recall From Setup Specifies to recall a setup from the nonvolatile memory File Specifies to recall a setup file from the CF card Setup 1 to 10 Specifies which setup location in nonvolatile setup memory to recall Lists the contents of the current CF card folder to select a file from Select Folder Change Folder See File Management Conventions on page 7 3 and File Utilities on page 9 49 Recalls the settings from the specified nonvolatile memory location Recall filename Recalls the oscilloscope settings such as TEKOOOO SET from the specified CF card file TPS2000 Series Digital Oscilloscope User Manual 9 33 Reference
44. 00 mV A vertical readouts 100 mV A 50 mV A 20 mV A 10 mV A 1 mV A Back Returns to the previous menu Knobs VERTICAL POSITION Knobs Use the VERTICAL POSITION knobs to move the channel waveforms up or down on the screen VOLTS DIV Knobs Use the VOLTS DIV knobs to control how the oscilloscope amplifies or attenuates the source signal of channel waveforms When you turn a VOLTS DIV knob the oscilloscope increases or decreases the vertical size of the waveform on the screen TPS2000 Series Digital Oscilloscope User Manual 9 53 Reference Key Points GND Coupling Use GND coupling to display a zero volt waveform Internally the channel input is connected to a zero volt reference level Fine Resolution The vertical scale readout displays the actual Volts Div setting while in the fine resolution setting Changing the setting to coarse does not change the vertical scale until the VOLTS DIV control is adjusted Remove Waveform To remove a waveform from the display push the menu button for the channel to display its vertical menu Push the menu button again to remove the waveform NOTE You do not have to display a channel waveform to use it as a trigger source or for math operations You must display a channel waveform to take measurements from it use cursors on it or to save it as a Reference waveform or to a file 9 54 TPS2000 Series Digital Oscilloscope User Manual ly AAN Appendices YAA eT Appendix A Specific
45. 1 Communications RS 232 and Centronics Sending a Screen Image to an External Device The oscilloscope lets you send a screen image to an external device such as a printer or computer 6 2 RS 232 port Centronics port TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics Printer Setup To set up a printer follow these steps 1 Power on the oscilloscope 2 Push UTILITY gt Options gt Printer Setup 3 Push the option buttons to change the settings to match those of your printer The next table lists the settings you can change PRINT Button Prints See page 7 1 for informa tion on other settings Printer Port Centronics RS 232 Communications port used to connect the oscilloscope to a printer or computer Printer Format DPU411 DPU412 DPU3445 Type of device connected Thinkjet Deskjet Laser Jet to the communications port Bubble Jet Epson Dot Epson or file format C60 Epson C80 BMP PCX TIFF RLE EPSIMAGE Layout Portrait Landscape Printer output orientation Ink Saver Prints the screen image on a white background Abort Stops sending the screen Printing image to the printer Refer to the www Tektronix com printer_setup web page for a list of compatible printers TPS2000 Series Digital Oscilloscope User Manual 6 3 Communications RS 232 and Centronics The next table lists
46. 1 6 Centronics port 6 2 CH 1 CH 2 CH 3 and CH 4 2 15 DC input 1 7 EXT TRIG 2 15 probe 1 5 PROBE COMP 2 15 RS 232 port 6 2 TPS2000 Series Digital Oscilloscope User Manual Index 3 Index Contacting Tektronix xvii Context sensitive help topics xiii Continuously charge battery packs 8 2 8 8 Contrast 9 17 Conventions used in this manual XV Cooling vents 1 7 Coupling trigger 3 5 9 40 vertical 9 52 9 54 CSV file format 9 32 Current folder 7 3 9 49 Current probes scale setting 1 20 9 53 CURSOR button 2 14 9 15 Cursor menu 9 15 Cursors adjusting 9 15 Amplitude 3 15 9 15 basic concepts 3 15 Frequency for FFT 9 15 Magnitude for FFT 9 15 measurement examples 4 13 measuring an FFT spectrum 5 11 Time 3 15 9 15 using 9 15 Cycle RMS measurements 9 26 D Data transfer RS 232 interface 6 5 Date 9 48 Date and time readout 2 4 DC coupling trigger 9 37 vertical 9 52 Default setup Edge trigger D 2 Pulse trigger D 3 recalling 9 35 Video trigger D 3 DEFAULT SETUP button option and control settings D 1 retained option settings D 4 Delayed sweep 9 22 Deleting files or folders 9 50 reference waveforms 9 35 Deleting files or folders 9 45 Delta readouts in Cursor menu 9 16 Description general 1 1 Diagonal lines in waveform peak detect 9 4 Directories deleting 9 45 9 50 Display contrast 9 17 intensity 9 17 menu 9 17 persistence 9 17 readouts 2 2 style
47. 10 China 220 V 50 Hz 161 0304 00 TPSCHG Battery Charger The TPSCHG external battery charger accommodates two battery packs Refer to International Power Cords for a list of available power cords Battery chargers are not rated for temperatures below 0 C 32 F or intended for outdoor use B 2 TPS2000 Series Digital Oscilloscope User Manual Appendix B Accessories Optional Accessories Cont Hi Voltage Probe P5120 Passive Hi Voltage Probe The probe is 200 MHz 20X C gt 1000 Vrms and 3 meters 3 2 yards long Hi Voltage Differential Probe P5200 Hi Voltage Differential Probe The probe is 25 MHz 50X 500X and 1000 Vams CAT Il AC Current Probe SS KAN A621 AC Only Current Probe The probe is 5 Hz to 50 Hz with EPO 1 10 100 mV A settings and 2000 APK AC DC Current Probes A622 AC DC Current Probe The probe is DC to 100 MHz with 10 100 mV A settings and 100 APK TCP303 AC DC Current Probe requires TCPA300 Amplifier The probe is DC to 15 MHz with 5 50 mV A settings 150 Arms and 500 APK TCP305 AC DC Current Probe requires TCPA300 Amplifier The probe is DC to 50 MHz with 5 10 mV A settings 50 ADC and 500 APK TCP312 AC DC Current Probe requires TCPA300 Amplifier The probe is DC to 100 MHz with 1 10 A V settings 30 ADC and 500 APK Refer to the www tektronix com web site for a list of other compatible high voltage and current probes TPS2000 Series
48. 12 and TPS2014 TPS2024 5 ns div to 50 s div in a 1 2 5 2 5 ns div to 50 s div in a 1 5 sequence 2 5 5 sequence Sample Rate and 50 ppm over any 21 ms time interval Delay Time Accuracy Delta Time Measure Accuracy a Fal Single shot Sample mode 1 sample interval 100 ppm x reading 0 6 ns 1 sample interval 100 ppm x reading 0 4 ns Sample interval s div 250 Position Range 4 div x sidiv to 20 ms 4 div x s div to 50 ms 4 div x s div to 50 s 4 div x s div to 250 s A 6 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope Specifications Cont Trigger Trigger Sensitivity Coupling Sensitivity Edge Trigger Type DC CH1 CH2 1 div from DC to 10 MHz CH3 CH4 1 5 div from 10 MHz to Full 1 V from 50 Hz to Full EXT 5 5 V from 50 Hz to Full EXT 10 10 V from 50 Hz to Full Trigger Sensitivity Coupling Sensitivity Edge Trigger Type typical Same as DC coupled limits from 50 Hz and above NOISE REJ Reduces the DC coupled trigger sensitivity by 2 times for gt 10 mv div to 5 V div HF REJ Same as the DC coupled limit from DC to 7 kHz attenuates signals above 80 kHz LF REJ Same as the DC coupled limits for frequencies above 300 kHz attenuates signals below 300 kHz Trigger Level Range Range CH1 CH2 8 divisions from center of screen CH3 CH4 EXT 4 V EXT 5 20 V EXT 10 35 V Available only on a 4 channel oscilloscope TPS2000 Series Di
49. 1455 XX Spanish 071 1456 XX Japanese 071 1457 XX Portuguese 071 1458 XX Simplified Chinese 071 1459 XX Traditional Chinese 071 1460 XX Korean 071 1461 XX Russian 071 1462 XX LA Soft Case The soft case AC2100 protects the oscilloscope from damage and provides space for probes batteries battery charger power cord and manuals Ma Transit Case The transit case HCTEK321 provides shock vibration impact and moisture protection for the oscilloscope when you transport it from one place to another The required soft case fits inside the transit case TPS2000 Series Digital Oscilloscope User Manual B 5 Appendix B Accessories B 6 TPS2000 Series Digital Oscilloscope User Manual a A Appendix C Cleaning General Care Do not store or leave the oscilloscope where the LCD display will be exposed to direct sunlight for long periods of time A CAUTION To avoid damage to the oscilloscope or probes do not expose them to sprays liquids or solvents Cleaning Inspect the oscilloscope and probes as often as operating conditions require To clean the exterior surface perform the following steps 1 Remove loose dust on the outside of the oscilloscope and probes with a lint free cloth Use care to avoid scratching the clear glass display filter 2 Use a soft cloth dampened with water to clean the oscilloscope Use an aqueous solution of 75 isopropyl alcohol for more efficient cleaning probes do not use any abras
50. 16 voltage probe manual compensa tion 1 17 voltage ratings 1 5 Product support contact informa tion xvii Programmer manual ordering B 4 Pulse signal Autoset function 9 13 Pulse width measurements using cursors 4 15 Pulse Width triggering 9 42 R Readouts FFT Math 5 5 general 2 2 Recall factory setup default 3 3 setups 3 3 9 35 waveforms 9 36 Recall Setup menu 9 33 Recall Waveform menu 9 34 Rectangular window 5 8 Reference lead for probe 1 15 marker 2 4 TPS2000 Series Digital Oscilloscope User Manual Index 9 Index probe terminal 1 15 terminal 2 16 Reference lead isolated channel connections 1 6 Reference waveforms readout 2 4 removing 9 35 saving and recalling 9 36 Remote control using RS 232 interface 6 5 Removable memory storage 7 1 Removing waveforms 9 52 Renaming files or folders 9 51 Replace battery packs 8 11 Resolution fine 9 54 Rise time measurements automatic 9 27 using cursors 4 17 RLE file format 6 4 RMS measurements 9 26 Roll mode See scan mode RS 232 port 6 2 cable part numbers 6 6 connecting a cable 6 6 connector pinout 6 12 setup 6 5 RS 232 protocol Break signals 6 11 I O errors 6 11 setup options 6 7 testing 6 8 troubleshooting 6 9 RUN STOP button 2 14 9 5 steps taken by the oscilloscope when pushed 3 4 S Safety summary vil Sample acquisition mode 3 7 9 2 9 3 Sample mode icon 2 3 Sample rate maximum 9 3 Save
51. 2000 Series Digital Oscilloscope User Manual 9 13 Reference Video Signal When you use the Autoset function and the oscilloscope determines that the signal is a video signal the oscilloscope displays the following options Video signal options E Fields All Fields i Lines All Lines i Lines Number ue Odd Fields ue Even Fields Undo Autoset Details Displays several fields and the oscilloscope triggers on any field Displays one complete line with parts of the previous and next line the oscilloscope triggers on any line Displays one complete line with parts of the previous and next line use the multipurpose knob to select a specific line number for the oscilloscope to use as a trigger Displays several fields and the oscilloscope triggers only on odd fields Displays several fields and the oscilloscope triggers only on even fields Causes the oscilloscope to recall the previous setup NOTE Video autoset sets the Display Type option to Dot Mode TPS2000 Series Digital Oscilloscope User Manual Reference Cursor Push the CURSOR button to display the measurement cursors and Cursor Menu and then use the multipurpose knob to change the position of a cursor Options Settings Comments Type Select and display the measurement cursors Time measures time and frequency and Amplitude measures amplitude such as current or voltage Source Choose the waveform on which to take
52. CAT Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Safety UL61010 1 2004 amp UL61010B 2 031 2003 CSA C22 2 No 1010 1 92 8 CAN CSA C22 2 No 1010 2 031 94 1EC61010 031 2001 EN61010 031 2001 TPS2000 Series Digital Oscilloscope User Manual A 17 Appendix A Specifications P2220 Probe Specifications Cont Environmental characteristics Pollution Degree Pollution Degree 21 Do not operate in an environment where conductive pollutants may be present Temperature Operating 0 C to 50 C 32 F to 122 F Nonoperating 40 C to 71 C 40 F to 159 8 F Cooling Method Convection Humidity 104 F 40 C or below lt 90 relative humidity 105 F 122 F 41 C to 50 C lt 60 relative humidity 1 As defined in IEC 61010 1 2001 2 As defined in IEC 60529 2001 A 18 TPS2000 Series Digital Oscilloscope User Manual AE ADE FT Appendix B Accessories Standard Accessories Ss All accessories standard and optional are available by contacting your local Tektronix field office gt P2220 1X 10X Passive Voltage Probe The P2220 probes have a 6 MHz bandwidth with a rating of 150 Vams CAT Il when the switch is in the 1X position and a 200 MHz bandwidth with a rating of 300 Vams CAT II when the switch is in
53. ENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES Table of Contents General Safety Summary cc cece eee eeeees Vii Pr COLA hoa nae Suda a d A Caley a as xi PIC SY Ste A Rabe E na ee eee uae nes xiii Conventions secr ennai sai oa XV Product Stewardship sted pitos pd debi ios os xvi Battery Packs stricta b E ktil e See eee ad xvi End of Life Handling Daria f sg xvi Contacting Tektronix ceras beg oe athe ol ae xvii Getting Started General Features noiden ib mid ws nine on l 2 Taking Floating Measurements 000 ee eee 1 4 Probe COMME CH OM sess nae a Std ak E 1 5 Attach the Reference Leads Correctly 1 6 BING COnneClOES iii kk a eRe ee ee ERR 1 6 Unterminated BNC Inpults 2 tit kwewezjoss ena te aw 1 6 Installation 4 ccs A hs a ud l 6 Battery Packs Ad ie e ind 1 8 Charging Battery Packs sisa it choca nes 1 10 POWER Collao eee dos elos gee aurea see ences 1 10 Versatile Hanger sal we eo eas e 1 10 Security LOCK opie na eis inn i Cea Doe abled bel 1 12 PODES os hate esc eRe toe ie RE RRR ie a 1 13 Eunctional Check ce Cala caked peak lec ase ated Cats 1 13 Probe Safety LIL ds eee kG Rae cee eee Gee enews 1 15 Voltage Probe Check Wizard oo esl Gaus teed ies ees 1 16 Manual Voltage Probe Compensation 04 1 17 Voltage Probe Attenuation Setting oo oooooooo o o 1 19 Current Probe Scaling occu cee O Sa wn es 1 20 Self Calibration xii dep Self ag toga be tg But tas
54. HECK button To compensate a probe that you plan to use with the EXT TRIG input follow these steps 1 Connect the probe to any input channel BNC such as to CH 1 2 Push the PROBE CHECK button and follow the directions on the screen 3 After you verify that the probe functions and is compensated properly connect the probe to the EXT TRIG BNC Manual Voltage Probe Compensation As an alternative method to the Probe Check Wizard you can manually perform this adjustment to match your voltage probe to the input channel NOTE Be sure to properly connect the voltage probe reference lead to the PROBE COMP reference terminal because the oscilloscope channels are isolated from the PROBE COMP terminals TPS2000 Series Digital Oscilloscope User Manual 1 17 Getting Started AUTOSET 1 button PROBE COMP On Ox Ox O 000 OO CH1 Je Overcompensated ML a Undercompensated EF Compensated correctly 4 Push the CH 1 Menu button and set the Voltage Probe Attenuation option to 10X Set the switch to 10X on the P2220 probe and connect the probe to channel 1 on the oscilloscope If you use the probe hook tip ensure a proper connection by firmly inserting the tip onto the probe Attach the probe tip to the PROBE COMP 5V 1kHz terminal and the reference lead to the PROBE COMP chassis terminal Display the channel and then push the AUTOSET button Check the shape of the displayed
55. 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 WARRANTY P2220 Probe Tektronix warrants that the product listed above will be free from defects in materials and workmanship for a period of one 1 year from the date of original purchase from an authorized Tektronix distributor 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 product Batteries are excluded from this warranty 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
56. Manual 1 5 Getting Started These voltage ratings depend on the probe and your application Refer to Specifications on page A 1 for more information For more information on probe safety see page 1 15 Attach the Reference Leads Correctly You must attach the probe reference lead for each channel directly to your circuit These attachments are required because the oscilloscope channels are electrically isolated they do not share a common connection Use the shortest possible reference lead with each probe to maintain good signal fidelity The probe reference lead presents a higher capacitive load to the circuit under test than the probe tip When taking a floating measurement between two nodes of a circuit attach the probe reference lead to the lowest impedance or least dynamic of the two nodes BNC Connectors The oscilloscope BNC reference connection is made on the inside of the BNC connector The black bayonet on the outside of the BNC connectors does not provide electrical contact For a good connec tion make sure your probe or cable connector is pushed on and twist locked Replace cables or probes that have worn connectors Unterminated BNC Inputs The black bayonet on the outside of the BNC input connectors does not shield the connector input from unwanted electrical noise from nearby circuits Connect a 50 ohm terminator or a BNC shorting plug to the input BNC connector when establishing a No Signal baseline cond
57. P2220 probe reference lead to gt 30 TPS2000 Series Digital Oscilloscope User Manual 1 15 Getting Started Voltage Probe Check Wizard You can use the Probe Check Wizard to verify that a voltage probe is operating properly The wizard does not support current probes The wizard helps you adjust the compensation for voltage probes usually with a screw on the probe body or probe connector and set the factor for the Attenuation option for each channel such as in the CH 1 MENU gt Probe Voltage gt Attenuation option You should use the Probe Check Wizard each time you connect a voltage probe to an input channel To use the Probe Check Wizard push the PROBE CHECK button If the voltage probe is connected properly compensated properly and the Attenuation option in the oscilloscope VERTICAL menu is set to match the probe the oscilloscope displays a PASSED message at the bottom of the screen Otherwise the oscilloscope displays directions on the screen to guide you in correcting these problems NOTE The Probe Check Wizard is useful for 1X 10X 20X 50X and 100X voltage probes It is not useful for 500X or 1000X probes or for probes connected to the EXT TRIG BNC TPS2000 Series Digital Oscilloscope User Manual Getting Started NOTE When the process is complete the Probe Check Wizard restores the oscilloscope settings other than the Probe and the Attenuation options to what they were before you pushed the PROBE C
58. SETUP button To view the default settings refer to Appendix D Default Setup Triggering The trigger determines when the oscilloscope starts to acquire data and display a waveform When a trigger is set up properly the oscilloscope converts unstable displays or blank screens into meaningful waveforms Triggered waveform Untriggered waveforms For oscilloscope specific descriptions refer to page 2 10 in the Operating Basics chapter and page 9 36 in the Reference chapter TPS2000 Series Digital Oscilloscope User Manual 3 3 Understanding Oscilloscope Functions When you push the RUN STOP or SINGLE SEQ button to start an acquisition the oscilloscope goes through the following steps 1 Acquires enough data to fill the portion of the waveform record to the left of the trigger point This is called the pretrigger 2 Continues to acquire data while waiting for the trigger condition to occur 3 Detects the trigger condition 4 Continues to acquire data until the waveform record is full 5 Displays the newly acquired waveform NOTE For Edge and Pulse triggers the oscilloscope counts the rate at which trigger events occur to determine trigger frequency and displays the frequency in the lower right corner of the screen Source You can use the Trigger Source options to select the signal that the oscilloscope uses as a trigger The source can be any signal connected to a c
59. Series Digital Oscilloscope User Manual Preface Conventions This manual uses the following conventions m Front panel buttons knobs and connectors appear in all uppercase letters For example HELP PRINT Menu options appear with the first letter of each word in upper case For example Peak Detect Window Zone Front panel buttons and Multipurpose knob knob labels All upper case Tektronix TPS2024 Option buttons First letter of each word on screen is upper case NOTE Option buttons can also be called screen buttons side menu buttons bezel buttons or soft keys The delimiter separates a series of button pushes For example UTILITY gt Options gt RS 232 Setup means that you push the UTILITY front panel button then push the Options option button and then push the RS 232 Setup option button TPS2000 Series Digital Oscilloscope User Manual XV Preface Product Stewardship xvi Battery Packs This product contains lithium ion Li Ion battery packs that should be recycled or disposed of properly in accordance with local laws or regulations For the location of a local battery recycler in the U S or Canada please contact RBRC 800 BATTERY Rechargeable Battery Recycling Corp 800 227 7379 P O Box 141870 www rbrc com Gainesville Florida 32614 End of Life Handling Electronic products should be recycled or disposed of properly in accordance with local laws o
60. T Battery Packs This section contains information on the following topics m Caring for TPSBAT battery packs m Checking the charge status m Charging battery packs m Calibrating battery packs m Replacing the original battery packs Caring for Battery Packs The oscilloscope uses Lithium Ion Li Ion battery packs designed to last at least two years or 300 charge discharge cycles Failure to charge discharge or operate a battery pack under conditions recommended in this chapter can shorten battery pack life Li Ion battery packs have an internal circuit that monitors their charge status When battery packs are not fully discharged or fully charged the circuit accumulates charge tracking errors If the circuit detects accumulated errors of greater than 10 the oscilloscope reports the battery pack as uncalibrated An uncalibrated battery pack cannot accurately report its operating capacity TPS2000 Series Digital Oscilloscope User Manual 8 1 Managing TPSBAT Battery Packs Although Li Ion battery packs do not exhibit the memory effects of other battery technologies NiCad NiMH they should still be fully discharged before being recharged Following this practice maintains battery pack calibration allowing the oscilloscope to accurately predict the remaining time it can operate Continuous Charging You do not need to continuously charge trickle charge Li Ion battery packs to maintain full operating capacity between jobs H
61. The Slope option Edge trigger type only determines whether the oscilloscope finds the trigger point on the rising or the falling edge of a signal The TRIGGER LEVEL knob controls where on the edge the trigger point occurs Rising edge Falling edge Trigger level can be 7 adjusted vertically y Trigger slope can be rising or falling Acquiring Signals When you acquire a signal the oscilloscope converts it into a digital form and displays a waveform The acquisition mode defines how the signal is digitized and the time base setting affects the time span and level of detail in the acquisition Acquisition Modes There are three acquisition modes Sample Peak Detect and Average 3 6 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Sample In this acquisition mode the oscilloscope samples the signal in evenly spaced intervals to construct the waveform This mode accurately represents signals most of the time However this mode does not acquire rapid variations in the signal that may occur between samples This can result in aliasing described on page 3 9 and may cause narrow pulses to be missed In these cases you should use the Peak Detect mode to acquire data Peak Detect In this acquisition mode the oscilloscope finds the highest and lowest values of the input signal over each sample interval and uses these values to display the waveform In this way the oscilloscope can ac
62. UCH DAMAGE E 2 TPS2000 Series Digital Oscilloscope User Manual A A Appendix F TPS2000 Compatible Probe Maximum Voltages TPS2000 Compatible Probe Maximum Voltages Passive Probes P5120 Attenuation Gain Setting 20X Maximum Input Volt 150 Vams CAT II 300 Vams CAT II 1 000 Vams CAT II or age between Tip Sig or or nal and the Reference 150VDCCATII 300 V DC CAT II 1000 V DC CAT II Lead Maximum Input Maximum Input Volt 150 Vams CAT II 150 Vams CAT II 1 000 Vams CAT II or age between Tip Sig 1 000 V DC CAT II nal and Earth Ground or or 300 V DC CAT Il 150 V DC cAT Il Maximum Voltage 30 Vrms 42 4V 1150 Vams CAT III 600 Vams CAT Ill or 600 between the Reference peak or 150 VDC CAT VDC CAT Ill Lead and Earth Ground IIl when used with TPS2000 Series TPS2000 Series Digital Oscilloscope User Manual F 1 Appendix F TPS2000 Compatible Probe Maximum Voltages Differential Probes Attenuation Gain Setting Maximum Linear Differential Mode Input Voltage between Probe Tips Maximum Linear Common Mode Input Voltage between either or Probe Tip and Earth Ground 500X 130 V DC PK AC CAT 1 300V DC PK AC CAT 100 Vams CAT ll or 1 000 Vams CAT Il or 100 V DC CAT Il 1 000 V DC CAT II 600 Vams CAT Ill or 600 V DC CAT Ill 1 000 Vams CAT ll or 1 000 Vams CAT II or 1 000 V 1 000 V DC CAT II DC CAT Il 600 Vams CAT Ill or 600 V 600 Vams CAT Ill or 600 V
63. User Manual Tektronix TPS2000 Series Digital Storage Oscilloscope 071 1441 00 This document supports firmware version 10 00 and above www tektronix com Copyright Tektronix Inc All rights reserved Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX TEK OpenChoice and WaveStar are registered trademarks of Tektronix Inc WARRANTY TPS2000 Series Oscilloscopes Tektronix warrants that the product listed above will be free from defects in materials and workmanship for a period of three 3 years from the date of original purchase from an authorized Tektronix distributor 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 product Batteries are excluded from this warranty 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 suita
64. VIDED 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 WARRANTY TPSBAT Battery Pack Tektronix warrants that the product listed above will be free from defects in materials and workmanship for a period of three 3 months from the date of original purchase from an authorized Tektronix distributor 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 product 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 shipping charges prepaid and with a copy of customer proof of purchase Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
65. acquiring pretrigger data All triggers are ignored in this state Ready All pretrigger data has been acquired and the oscilloscope is ready to accept a trigger Trig d The oscilloscope has seen a trigger and is acquiring the posttrigger data Stop The oscilloscope has stopped acquiring waveform data Acq Complete The oscilloscope has completed a Single Sequence acquisition Auto The oscilloscope is in auto mode and is acquiring waveforms in the absence of triggers LI Scan The oscilloscope is acquiring and displaying waveform data continuously in scan mode 3 Marker shows horizontal trigger position Turn the HORIZON TAL POSITION knob to adjust the position of the marker 4 Readout shows the time at the center graticule The trigger time is Zero 5 Marker shows Edge or Pulse Width trigger level TPS2000 Series Digital Oscilloscope User Manual 2 3 Operating Basics 6 On screen markers show the reference points of the displayed waveforms If there is no marker the channel is not displayed 7 An arrow icon indicates that the waveform is inverted 8 Readouts show the vertical scale factors of the channels 9 A Bw icon indicates that the channel is bandwidth limited 10 Readout shows main time base setting 11 Readout shows window time base setting if it is in use 12 Readout shows trigger source used for triggering 13 Icon shows selected trigger type as follows J Edge trigger for the rising edg
66. al probe when floating the reference lead above 30 Vrms subject to the ratings of such high voltage probe 2 Push the CH 1 MENU button 3 Push Probe gt Voltage Attenuation and set to match the attenuation of the voltage probe 4 Push the CH 2 MENU button 5 Push Probe gt Current Scale and set to match the scale of the current probe 6 Push the AUTOSET button 7 Push MATH MENU gt Operation gt X multiply 8 Push Sources gt CH1 x CH2 NOTE The vertical units of the instantaneous power waveform are VA Operation Sources CHTxCH2 Position 0 O O H NS E OS AO US 0 00 div Vertical Scale 100n 4 Voltage Current Power 4 12 TPS2000 Series Digital Oscilloscope User Manual Application Examples 9 To obtain a better view of the Math instantaneous power waveform you can use the following oscilloscope functions m From the Math menu push the Position option button and turn the multipurpose knob to adjust the vertical position From the Math menu push the Vertical Scale option button and turn the multipurpose knob to adjust the vertical scale Turn the SEC DIV knob to adjust the horizontal scale Push the CH 1 MENU and CH 2 MENU buttons to remove the channel waveforms from the display Taking Cursor Measurements You can use the cursors to quickly take time and amplitude measurements on a waveform
67. an use Horizontal Only autoranging The oscilloscope will adjust the horizontal settings but leave the vertical settings unchanged This way you can visually estimate the amplitude of the signal without worrying about the vertical scale changing Vertical Only autoranging works similarly adjusting vertical parameters and leaving the horizontal settings unchanged TPS2000 Series Digital Oscilloscope User Manual 9 9 Reference Autoset When you push the AUTOSET button the oscilloscope identifies the type of waveform and adjusts controls to produce a usable display of the input signal Function Acquire mode Cursors Display format Display type Horizontal position SEC DIV Trigger coupling Trigger holdoff Trigger level Trigger mode Trigger source Trigger slope Trigger type Trigger Video Polarity Trigger Video Sync Trigger Video Standard Vertical bandwidth Vertical coupling VOLTS DIV Setting Adjusted to Sample or Peak Detect Off Set to YT Set to Dots for a video signal set to Vectors for an FFT spectrum otherwise unchanged Adjusted Adjusted Adjusted to DC Noise Reject or HF Reject Minimum Set to 50 Auto Adjusted refer to page 9 11 cannot use Autoset on the EXT TRIG signal Adjusted Edge or Video Normal Adjusted Adjusted Full DC if GND was previously selected AC for a video signal otherwise unchanged Adjusted TPS2000 Series Digital Oscilloscope User Manual Refe
68. ations All specifications apply to the TPS2000 series oscilloscopes P2220 probe specifications appear at the end of this chapter To verify that the oscilloscope meets specifications the oscilloscope must first meet the following conditions The oscilloscope must have been operating continuously for twenty minutes within the specified operating temperature You must perform the Do Self Cal operation accessible through the Utility menu if the operating temperature changes by more than 5 C 9 F m The oscilloscope must be within the factory calibration interval All specifications are guaranteed unless noted typical Oscilloscope Specifications Acquisition Acquisition Modes Sample Peak Detect and Average Acquisition Rate typical Up to 180 waveforms per second per channel Sample acquisition mode no measurements Single Sequence Acquisition Mode Acquisition Stops After Sample Peak Detect Single acquisition all channels simultaneously Average N acquisitions all channels simultaneously N is selectable from 4 16 64 and 128 TPS2000 Series Digital Oscilloscope User Manual A 1 Appendix A Specifications Oscilloscope Specifications Cont Inputs Input Coupling DC AC or GND Input Impedance DC 1 MQ 2 in parallel with 20 pF 3 pF Coupled P2220 Probe 1X 10X Attenuation Supported Voltage 1X 10X 20X 50X 100X 500X 1000X Probe Attenuation Factors Supported Current 5 VIA 1
69. ay of about 5 V peak to peak at 1 kHz Push the CH 1 MENU button twice to remove channel 1 push the CH 2 MENU button to display channel 2 repeat steps 2 and 3 For 4 channel models repeat for CH 3 and CH 4 1 14 TPS2000 Series Digital Oscilloscope User Manual Getting Started Probe Safety Check and observe probe ratings before using probes A guard around the P2220 voltage probe body provides a finger barrier for protection from electric shock Finger guard WARNING To avoid electric shock when using the probe keep fingers behind the guard on the probe body To avoid electric shock while using the probe do not touch metallic portions of the probe head while it is connected to a voltage source Connect the probe to the oscilloscope before you connect the probe to your circuit to take any measurements Any non attenuating probe that applies more than 150 VAC to the oscilloscope BNC input connector must be third party certified with the probe reference lead rated to float to 300 V CAT II For information on isolated channels and floating measurements see page 1 4 For information on high voltages see page 1 5 Vrms Use the P5120 floatable to 600 V rms CAT II or 300 Vrms CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrms subject to the ratings of such high voltage probe A WARNING Do not float the
70. ble arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix shipping charges prepaid and with a copy of Customer proof of purchase 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 when the effect of such modification or integration increases the time or difficulty of servicing the product WARRANTY Continued TPS2000 Series Oscilloscopes 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
71. ce SET TO 50 Button Use the SET TO 50 button to quickly stabilize a waveform The oscilloscope automatically sets the Trigger Level to be about halfway between the minimum and maximum voltage levels This is useful when you connect a signal to the EXT TRIG BNC and set the trigger source to Ext Ext 5 or Ext 10 FORCE TRIG Button Use the FORCE TRIG button to complete the current waveform acquisition whether or not the oscilloscope detects a trigger This is useful for SINGLE SEQ acquisitions and Normal trigger mode In Auto trigger mode the oscilloscope automatically forces triggers periodically if it does not detect a trigger TRIG VIEW Button Use the Trigger View mode to have the oscillo scope display the conditioned trigger signal You can use this mode to see the following types of information effects of the Trigger Coupling option and the signal connected to the EXT TRIG BNC NOTE This is the only button that you must hold down to use When you hold down the TRIG VIEW button the only other button you can use is the PRINT button The oscilloscope disables all other front panel buttons The knobs continue to be active TPS2000 Series Digital Oscilloscope User Manual 9 45 Reference Holdoff You can use the Trigger Holdoff function to produce a stable display of complex waveforms such as pulse trains Holdoff is the time between when the oscilloscope detects one trigger and when it is ready to detect another The oscil
72. channel button such as the CH 1 MENU button 2 Push the Probe option button 3 Push the Current option button 4 Push the Scale option button to select an appropriate value Self Calibration The self calibration routine lets you optimize the oscilloscope signal path for maximum measurement accuracy You can run the routine at any time but you should always run the routine if the ambient temperature changes by 5 C 9 F or more For accurate calibra tion power on the oscilloscope and wait twenty minutes to ensure it is warmed up To compensate the signal path disconnect any probes or cables from the input connectors Then access the UTILITY Do Self Cal option and follow the directions on the screen The self calibration routine takes about two minutes 1 20 TPS2000 Series Digital Oscilloscope User Manual i AAA Operating Basics i A Operating Basics The front panel is divided into easy to use functional areas This chapter provides you with a quick overview of the controls and the information displayed on the screen ve oe O ACQUIRE Qs APPLICATION O S A VERTICAL IA B HORIZONTAL IS TRIGGER MI POSITION POSITION lt POSITION 3 LEVEL 91 3 e EB E VOLTS DIV VOLTS DIV Q A ISOLATED CHANNEL INPUTS 7 See back panel for Ratings Tektronix TPS2012 dinistencco MENU PROBE CHECK A EXT TRIG re a ae 0 An au x 177 SEE BACK PANEL FOR RAT _
73. cord and displays the maximum value 9 26 TPS2000 Series Digital Oscilloscope User Manual Reference Measurement type Rise Time Fall Time Pos Width Neg Width None Print Definition Measures the time between 10 and 90 of the first rising edge of the waveform Measures the time between 90 and 10 of the first falling edge of the waveform Measures the time between the first rising edge and the next falling edge at the waveform 50 level Measures the time between the first falling edge and the next rising edge at the waveform 50 level Does not take any measurement When the SAVE RECALL gt Save All gt PRINT Button option is set to Prints you can push the PRINT button to send the screen data to a printer or computer You can set up the oscilloscope to send screen data to your printer through the UTILITY Options Printer Setup menu as described on page 6 3 The alternative function of the PRINT button is to save data to the CompactFlash removable mass storage See page 7 1 TPS2000 Series Digital Oscilloscope User Manual 9 27 Reference Probe Check You can use the Probe Check Wizard to quickly verify that your voltage probe is operating properly See page 1 16 Save Recall Push the SAVE RECALL button to save oscilloscope setups screen images or waveforms or to recall oscilloscope setups or waveforms The Save Recall menu is made up of many submenus which you can access thro
74. cy Period and Peak to Peak automatic measure ments Sets the horizontal scale to display about one cycle of the waveform the oscilloscope displays Mean and Peak to Peak automatic measurements Converts the input time domain signal into its frequency components and displays the result as a graph of frequency versus magnitude spectrum since this is a mathematical calculation refer to the Math FFT chapter on page 5 1 for more information Causes the oscilloscope to recall the previous setup TPS2000 Series Digital Oscilloscope User Manual Reference Square Wave or Pulse When you use the Autoset function and the oscilloscope determines that the signal is similar to a square wave or pulse the oscilloscope displays the following options Square wave or pulse options JUUL Multi cycle square TL Single cycle square al Rising edge Falling edge Undo Autoset Details Displavs several cvcles with appropriate vertical and horizontal scaling the oscilloscope displavs Pk Pk Mean Period and Frequency automatic measurements Sets the horizontal scale to display about one cycle of the waveform the oscilloscope displays Min Max Mean and Positive Width automatic measurements Displays the edge and the Rise Time and Peak to Peak automatic measurements Displays the edge and the Fall Time and Peak to Peak automatic measurements Causes the oscilloscope to recall the previous setup TPS
75. determine how long it takes to print the data Additional time may be required according to the format selected NOTE You can use the oscilloscope while the printer prints Setting Up and Testing the RS 232 Interface You may need to set up and test the RS 232 interface RS 232 is an 8 bit serial communications standard that lets the oscilloscope communicate with an external RS 232 device such as a computer terminal or printer The standard defines two device types Data Terminal Equipment DTE and Data Communications Equipment DCE The oscilloscope is a DTE device The RS 232 Connector Pinout Diagram on page 6 12 shows the pin numbers and signal assignments of the 9 pin RS 232 connector TPS2000 Series Digital Oscilloscope User Manual 6 5 Communications RS 232 and Centronics Selecting an RS 232 Cable You need an RS 232 cable to connect the oscilloscope to an external device Use the next table to choose the correct cable Tektronix To connect the oscilloscope to Use this type cable part number PCs with 9 pin serial port connector 9 pin female to 9 pin 012 1379 00 female null modem PCs with 25 pin serial port connector 9 pin female to 25 pin 012 1380 00 female null modem Sun workstations and serial printers 9 pin female to 25 pin 012 1298 00 such as an HP Deskjet male null modem Telephone modems 9 pin female to 25 pin 012 1241 00 male modem Connecting an External Device When you con
76. e Edge trigger for the falling edge mu Video trigger for line sync wil Video trigger for field sync JE g Pulse Width trigger positive polarity il e Pulse Width trigger negative polarity 14 Readout shows Edge or Pulse Width trigger level 15 Display area shows helpful messages some messages display for only three seconds If you recall a saved waveform readout shows information about the reference waveform such as RefA 1 00V 500us 16 Readout shows date and time 17 Readout shows trigger frequency 2 4 TPS2000 Series Digital Oscilloscope User Manual Operating Basics Message Area The oscilloscope displays a message area item number 15 in the previous figure at the bottom of the screen that conveys the following types of helpful information m Directions to access another menu such as when you push the TRIG MENU button For TRIGGER HOLDOFF go to HORIZONTAL Menu Suggestion of what you might want to do next such as when you push the MEASURE button Push an option button to change its measurement m Information about the action the oscilloscope performed such as when you push the DEFAULT SETUP button Default setup recalled m Information about the waveform such as when you push the AUTOSET button Square wave or pulse detected on CH1 TPS2000 Series Digital Oscilloscope User Manual 2 5 Operating Basics Using the Menu System The user interface of the oscillosco
77. e to electrically match a voltage probe to the oscilloscope input circuit See page 1 17 The probe compensation reference lead connects to earth ground and is then considered to be a ground terminal when using the oscillo scope AC adaptor See page 1 4 CAUTION When using the DC adapter do not connect a voltage source to any exposed metal as this may damage the oscilloscope or the circuit under test 2 16 TPS2000 Series Digital Oscilloscope User Manual LA Understanding Oscilloscope Functions AAA Understanding Oscilloscope Functions This chapter contains general information on what you need to understand before you use an oscilloscope To use your oscilloscope effectively you need to learn about the following functions m Setting up the oscilloscope m Triggering Acquiring signals waveforms m Scaling and positioning waveforms Measuring waveforms The figure below shows a block diagram of the various functions of the oscilloscope and their relationship to each other Vertical Acquire data Waveform gain and mode and record Display position time base 2500 points Each channel Computer or printer interface EXT TRIG Trigger TPS2000 Series Digital Oscilloscope User Manual 3 1 Understanding Oscilloscope Functions Setting Up the Oscilloscope You should become familiar with several functions that you may use often when operating your oscilloscope Autoset Autorange saving a set
78. e 1 20 TPS2000 Series Digital Oscilloscope User Manual i Table of Contents Operating Basics Display Ala ad bli jeser ita aes 2 2 Message Alea ie tag ot e as 2 5 Using the Menu System is RAR 2 6 Vertical Controls rre pure Ar d ke ati 2 8 Horizontal Controls celeste bees tf 2 9 Trigger Controlsis tai Ad dor 2 10 Menu and Control Buttons 0 2 e eee ee eee 2 11 AUG COMME CONS A aa 2 15 Other Front Panel Items gt si isem da Chae 2 16 Understanding Oscilloscope Functions Setting Up the Oscilloscope vee acia 3 2 USA Aness ie di Da G a 3 2 Using Autorange wx ccs can BY eae a ee a edt eee 3 2 Savine a SetUp desa decane dha etme OMe Oe 3 2 Recallno a Setup uk cerca da a 3 3 DetaulU Set p A ES A AA 3 3 ETS CCC eta e E a ae ee a 3 3 SOM us or A ia 3 4 DY POS ssir NA A RARO 3 4 Modes i ON Ae REN ees 3 5 RASC Nas fe tere vat II Geel Ua cred BE 3 5 POSIMON Sick nein eters kee ede Bea eek eae Be Sate KA mu 3 5 Slope and evel oo 3h sse ea a Sie eevee Ghee Ballads 3 6 Acq iring Signals Mice Soh nea is ii da a Cect 3 6 Acquisition Mode ca 3 6 Time Base eii pg oa a 3 7 Scaling and Positioning Waveforms o oo ooooooom o o 3 8 Vertical Scale and Position 13 3ssi twis sntabkzzjjjuni 3 8 Horizontal Scale and Position Pretrigger Information 3 8 Taking Measurements desa Geshu tase etek ete 3 14 GANIC G2 reis Caren id ts 3 14 CUE ES its een mnt bade baler IAT ns 3 15 Automati C 5 8 RO a e 3 15
79. e Nyquist frequency as you increase the sample rate the aliased frequency components appear at their proper frequency If too many frequency components are shown on the screen you can use the FFT Zoom option to magnify the FFT spectrum TPS2000 Series Digital Oscilloscope User Manual 5 9 Math FFT If you do not need to view frequency components above 20 MHz set the Bandwidth Limit option to On Put an external filter on the source signal to bandwidth limit the source waveform to frequencies below that of the Nyquist frequency m Recognize and ignore the aliased frequencies m Use zoom controls and the cursors to magnify and measure the FFT spectrum Magnifying and Positioning an FFT Spectrum You can magnify and use cursors to take measurements on the FFT spectrum The oscilloscope includes an FFT Zoom option to magnify horizontally To magnify vertically you can use the vertical controls Horizontal Zoom and Position The FFT Zoom option lets you horizontally magnify the FFT spectrum without changing the sample rate Zoom factors are X1 default X2 X5 and X10 At zoom factor X1 and with the waveform centered in the graticule the left graticule line is at 0 Hz and the right graticule line is at the Nyquist frequency TPS2000 Series Digital Oscilloscope User Manual Math FFT When you change the zoom factor the FFT spectrum is magnified about the center graticule line In other words the axis of horizontal
80. e base readout 2 4 Illumination color models 2 2 9 47 Image file formats 6 4 Index for help topics xiv Indicators 2 3 Infrequent events infinite persis tence 9 19 Intensity 9 17 Interfaces for PCs and printers 6 2 Index 6 TPS2000 Series Digital Oscilloscope User Manual Index Interpolation 9 3 Inverted waveform readout 2 4 Isolated channels description 1 4 L Languages 9 47 how to change 1 1 Level 2 11 3 6 LEVEL control 2 11 Li Ion battery packs 8 1 Line video trigger 9 41 Lissajous pattern XY format 9 20 M indicator for Main time base 9 22 M marker for Math waveforms 4 13 Magnify horizontal window 9 21 Magnitude cursors 3 15 9 15 FFT spectrum 5 12 Main time base 2 10 9 21 Manage battery pack resources 8 1 Manuals ordering B 4 Math FFT 5 1 5 4 functions 9 24 menu 9 24 MATH MENU button 2 8 math waveform allowed units 9 25 Maximum measurements 9 26 MEASURE button 2 13 Measure menu 9 25 Measurements automatic 3 15 9 25 basic concepts 3 14 cursor 3 15 4 13 cycle RMS 9 26 fall time 9 27 FFT spectrum 5 11 floating 1 4 frequency 9 26 graticule 3 14 maximum 9 26 mean 9 26 minimum 9 26 negative width 9 27 peak to peak 9 26 period 9 26 positive width 9 27 rise time 9 27 types 9 26 Memory removable mass storage 7 1 setups 9 28 screen images 9 28 waveforms 9 28 Menu system using 2 6 Menus Acquire 9 2 Autorange 9 7 Autos
81. e needs to range between 40 and 50 C 40 and 122 F with less than 80 relative humidity Storing battery packs in high humidity environments or outside the temperature range can rust metallic parts and cause leakage Long Term Storage Store Li Ion battery packs for one year or longer in a location with a temperature range between 10 and 30 C 50 and 86 F with less than 80 relative humidity It is best to fully discharge battery packs before long term storage Fully charge and discharge battery packs once a year to prevent internal leakage and deterioration Service Life Because battery packs rely on internal chemical reactions performance deteriorates not only with use but also during prolonged storage Improper use can shorten battery pack life or reduce performance TPS2000 Series Digital Oscilloscope User Manual 8 3 Managing TPSBAT Battery Packs Oscilloscope functions such as saving data to a CF card number of channels used and display brightness have little effect on battery pack life NOTE Significantly reduced capacity despite proper charging and discharging indicates the end of battery pack life Li Ion battery packs must be disposed of properly See page xvi for battery pack disposal and recycling information Transportation Information Regulations regarding transportation of Li Ion lithium ion battery packs on passenger aircraft may subject this product to special handling restrictio
82. e rising and falling edges of the signal when the noise is removed 4 20 TPS2000 Series Digital Oscilloscope User Manual Application Examples Capturing a Single Shot Signal The reliability of a reed relay in a piece of equipment has been poor and you need to investigate the problem You suspect that the relay contacts arc when the relay opens The fastest you can open and close the relay is about once per minute so you need to capture the voltage across the relay as a single shot acquisition To set up for a single shot acquisition follow these steps 1 E eS 7 Turn the vertical VOLTS DIV and horizontal SEC DIV knobs to the appropriate ranges for the signal you expect to see Push the ACQUIRE button to see the Acquire Menu Push the Peak Detect option button Push the TRIG MENU button to see the Trigger Menu Push Slope gt Rising Turn the LEVEL knob to adjust the trigger level to a voltage midway between the open and closed voltages of the relay Push the SINGLE SEQ button to start the acquisition When the relay opens the oscilloscope triggers and captures the event TPS2000 Series Digital Oscilloscope User Manual 4 21 Application Examples 4 22 Optimizing the Acquisition The initial acquisition shows the relay contact beginning to open at the trigger point This is followed by a large spike that i
83. e steps 1 Push the CH 1 MENU button 2 Push Probe gt Voltage Attenuation gt 10X 3 Push the CH 2 MENU button 4 Push Probe Voltage gt Attenuation gt 10X 5 Set the switches to 10X on the P2220 probes 6 Connect the channel 1 probe to the input of the network and connect the channel 2 probe to the output Push the AUTOSET button kal 8 Turn the VOLTS DIV knobs to displav approximatelv the same amplitude signals on each channel 9 Push the DISPLAY button to see the Display Menu 10 Push Format gt XY The oscilloscope displays a Lissajous pattern representing the input and output characteristics of the circuit 11 Turn the VOLTS DIV and VERTICAL POSITION knobs to optimize the display 12 Push Persist Infinite 13 Push the Adjust Contrast or Adjust Brightness option button and turn the multipurpose knob to adjust the display As you adjust the ambient temperature the display persistence captures the changes in the characteristics of the circuit 4 34 TPS2000 Series Digital Oscilloscope User Manual A A Math FFT a Math FFT This chapter contains detailed information on how to use the Math FFT Fast Fourier Transform You can use the FFT Math mode to convert a time domain YT signal into its frequency components spectrum You can use the Math FFT mode for the following types of analysis m Analyze harmonics in power lines m Measure harmonic content and distortion in systems
84. e wave Autoset function 9 13 Status miscellaneous 9 48 system 9 47 Store battery packs 8 3 Subtract waveforms Math menu 9 24 Sweep delayed 9 22 horizontal scale 9 22 Sync video polarity 9 41 video trigger line or field 9 41 Sync pulse 9 42 T TDSPCSI OpenChoice software B 1 Technical support contact informa tion xvii Tektronix contacting xvii Temperature batterv packs charge 8 6 TIFF file format 6 4 Time base 3 7 Main 2 10 9 21 readout 2 4 Window 2 10 9 21 Time cursors 3 15 9 15 Time domain waveform 5 2 TPS2PWR1 application ordering B 2 TPS2PWR1 manual ordering B 5 TPSBAT battery pack ordering B 1 TPSCHG battery charger ordering B 2 Transient waveforms 5 3 Transit case ordering B 5 Trickle charge battery packs 8 2 8 8 TRIG MENU button 2 11 TRIG VIEW button 2 11 Trigger coupling 3 5 9 37 9 40 TPS2000 Series Digital Oscilloscope User Manual Index 11 Index definition 3 3 edge 9 37 external 9 41 force 9 45 frequency readout 2 4 9 38 9 43 holdoff 2 11 9 23 9 46 level 2 11 3 6 9 36 level marker 2 3 level readout 2 4 menu 9 36 modes 3 5 Auto 9 38 Normal 9 38 polarity 9 42 position 3 5 position marker 2 3 position readout 2 3 pretrigger information 9 40 slope 3 6 9 37 source 2 4 3 4 9 37 9 42 status 9 48 status indicators 2 3 sync 9 42 type indicator 2 4 types 3 4 video 9 41 9 42 view 2 11 9 42 U URL T
85. e wes whee Calibrating Battery Packs External Calibration sai cc nweu tages Internal Calibration i il vera dls Replacing Battery Packs Reference PRC QUITE actions cies Oak tt eee ee is Applicaton de ewes Bint a b Dew Acie bia Gale fa Autran os AUTOS A da Sine Wave ed is o Square Wave or Pulse Video Signal cidad a eee eee es CU ir dra Default Setup dins Goa duke A hee re Re lop eek eee Bale kD HEID A A Horizontal as ke Mat A A ES Meas re pr AA PARES A eee eterna kas Probe CHECK ci adn ae weekend ak Save RECA edo li Trigger Controls io ns AA A ts eh eek le Vertica lis sse A Rane ae Raine les TPS2000 Series Digital Oscilloscope User Manual Table of Contents Appendices Appendix A Specifications ooooooooooooo o o A 1 Appendix B Accessories sssessseseessnesewena B 1 Appendix C Cleaning oo oooooooooocooomo m o C 1 Appendix D Default Setup ooooooooooo oo D 1 Appendix E Font Licenses o ooooooooooooo o E 1 Appendix F TPS2000 Compatible Probe Maximum VOMASES ir F 1 Index vi TPS2000 Series Digital Oscilloscope User Manual NR A 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 procedure
86. eform RUN STOP Button Push the RUN STOP button when you want the oscilloscope to continuously acquire waveforms Push the button again to stop the acquisition SINGLE SEQ Button Push the SINGLE SEQ button when you want the oscilloscope to acquire a single waveform and then stop Each time you push the SINGLE SEQ button the oscilloscope begins to acquire another waveform After the oscilloscope detects a trigger it completes the acquisition and stops SINGLE SEQ button Sequence is complete when one acquisition is acquired Acquisition mode Sample Peak Detect Average Sequence is complete when the defined number of acquisitions is reached refer to page 9 2 TPS2000 Series Digital Oscilloscope User Manual 9 5 Reference Scan Mode Display You can use the Horizontal Scan acquisition mode also called Roll mode to continuously monitor signals that change slowly The oscilloscope displays waveform updates from the left to the right of the screen and erases old points as it displays new points A moving one division wide blank section of the screen separates the new waveform points from the old The oscilloscope changes to the Scan acquisition mode when you turn the SEC DIV knob to 100 ms div or slower and select the Auto Mode option in the TRIGGER Menu To disable Scan mode push the TRIG MENU button and set the Mode option to Normal Stopping the Acquisition While the acquisition is running the waveform display
87. ektronix xvii UTILITY button 2 14 Utility menus 9 47 V Value readout displays 4 4 Vectors 9 17 Vertical menu 9 52 position 3 8 position knob 2 8 scale 3 8 status 9 48 Video signal Autoset function 9 14 Video trigger 9 41 application example 4 27 Voltage ratings understand for probes 1 5 Volts Div Coarse 9 52 Fine 9 52 VOLTS DIV control 2 8 W W indicator for Window time base 9 22 Waveforms acquire data 3 6 burst 5 3 compression 9 22 digitized 3 6 display style meaning 9 18 expansion 9 22 Math instantaneous power 4 11 position 3 8 remove from screen 9 54 scale 3 8 scanning 9 6 take measurements 3 14 time domain 5 2 transient 5 3 WaveStar software ordering B 2 Web site address Tektronix xvii Index 12 TPS2000 Series Digital Oscilloscope User Manual Index Window time base 2 10 9 21 y readout 2 4 Window Zone 9 21 9 23 YT display format 9 17 Windows FFT spectrum 5 6 WST RO WaveStar software ordering B 2 Z Zoom 4 31 X See also Window Zone FFT 5 10 XY HORIZ menu 9 21 application example 4 34 display format 9 17 9 20 TPS2000 Series Digital Oscilloscope User Manual Index 13 Index Index 14 TPS2000 Series Digital Oscilloscope User Manual
88. ent Factory Calibration Interval The recommended calibration interval is one year TPS2000 Series Digital Oscilloscope User Manual A 15 Appendix A Specifications P2220 Probe Specifications Electrical 10X position 1X position characteristics Bandwidth DC to 200 MHz DC to 6 MHz Attenuation Ratio 10 1 2 1 1 2 Compensation 15 pF 25 pF Compensation is fixed correct for Range all oscilloscopes with 1 MQ input Input Resistance 10M Q 3 at DC 1 MQ 3 at DC Input Capacitance 13 0 pF 17 0 pF 80 pF 110 pF Rise Time typical lt 2 2 ns lt 50 0 ns Maximum Input 10X position 300 Vrms CAT II or 300 V DC CAT II Voltage Between 150 Vans CAT Ill or 150 V DC CAT Ill Tip Signal and 420 V peak lt 50 DF lt 1 s PW the Reference 670 V peak lt 20 DF lt 1 s PW Lead 1X position 150 Vams CAT II or 150 V DC CAT II 100 Vams CAT Ill or 100 V DC CAT III 210 V peak lt 50 DF lt 1 s PW 330 V peak lt 20 DF lt 1 s PW 300 Vrms derate at 20 dB decade above 900 kHz to 13 V peak AC at 3 MHz and above For non sinusoidal waveforms peak value must be less than 450 V Excursion above 300 V should be less than 100 ms duration RMS signal level including any DC component removed through AC coupling must be limited to 300 V If these values are exceeded damage to the instrument may result Refer to the Overvoltage Category on the next page Maximum Input 10X position 300 Vrms CAT Il or 300 V DC CAT Il Volta
89. equency trigger readout 2 4 9 38 Frequency cursors 3 15 9 15 FFT spectrum 5 12 Frequency measurements 9 26 FFT cursors 5 11 using cursors 4 13 Front panel illumination 2 2 9 47 Functional check 1 13 Fundamental frequency compo nent 5 5 TPS2000 Series Digital Oscilloscope User Manual Index 5 Index G Graticule 3 14 9 17 Ground coupling 9 52 H Hanger 1 10 attaching 1 11 Hanning window 5 8 Help scroll LED xiii Help system xiii Helpful messages 2 4 High voltage warning 1 5 Holdoff 9 23 9 46 HOLDOFF control 2 11 HORIZ MENU button 2 10 Horizontal aliasing time domain 3 9 how to make large adjustment 2 9 menu 9 21 position 3 8 position marker 2 3 scale 3 9 Scan mode 9 6 9 22 status 9 48 Hyperlinks in help topics xiv I O errors RS 232 report 6 11 Icons acquisition modes Average 2 3 Peak Detect 2 3 Sample 2 3 Bandwidth limited readout 2 4 channel scale 2 4 date and time readout 2 4 horizontal position marker 2 3 inverted waveform readout 2 4 Math marker 4 13 Reference marker 2 4 reference waveforms readout 2 4 time base readout 2 4 trigger frequency readout 2 4 level marker 2 3 level readout 2 4 position marker 2 3 position readout 2 3 source 2 4 trigger status Acq Complete 2 3 Armed 2 3 Auto mode 2 3 Ready 2 3 Scan mode 2 3 Stop 2 3 Trig d 2 3 trigger type Edge 2 4 Pulse Width 2 4 Video 2 4 vertical scale 2 4 window tim
90. er to page 9 23 For oscilloscope specific descriptions refer to page 2 9 in the Operating Basics chapter and page 9 21 in the Reference chapter Time Domain Aliasing Aliasing occurs when the oscilloscope does not sample the signal fast enough to construct an accurate waveform record When this happens the oscilloscope displays a waveform with a frequency lower than the actual input waveform or triggers and displays an unstable waveform Actual high frequency waveform Apparent low frequency waveform due to aliasing Sampled points TPS2000 Series Digital Oscilloscope User Manual 3 9 Understanding Oscilloscope Functions The oscilloscope accurately represents signals but is limited by the probe bandwidth the oscilloscope bandwidth and the sample rate To avoid aliasing the oscilloscope must sample the signal more than twice as fast as the highest frequency component of the signal The highest frequency that the oscilloscope sampling rate can theoretically represent is the Nyquist frequency The sample rate is called the Nyquist rate and is twice the Nyquist frequency Oscilloscope models with 100 MHz bandwidth sample at rates up to 1 GS s Models with 200 MHz bandwidth sample at rates up to 2 GS s In both cases these maximum sample rates are at least ten times the bandwidth These high sample rates help reduce the possi bility of aliasing There are several ways to check for aliasing m Turn the SEC DIV knob to chan
91. er to page 9 23 NOTE To make a large adjustment to the horizontal position turn the SEC DIV knob to a larger value change the horizontal position and then turn the SEC DIV knob back to the previous value TPS2000 Series Digital Oscilloscope User Manual 2 9 Operating Basics HORIZ MENU Displays the Horizontal Menu SET TO ZERO Sets the horizontal position to zero SEC DIV Selects the horizontal time div scale factor for the main or the window time base When Window Zone is enabled it changes the width of the window zone by changing the window time base Refer to page 9 23 for details about creating and using Window Zone Trigger Controls MTRIGGER E TRIGGER LEVEL LEVEL ES Ge TO 135 TRI a ER E 4 channel models m o 50 ma sa 2 channel model TPS2000 Series Digital Oscilloscope User Manual Operating Basics LEVEL When you use an Edge or Pulse trigger the LEVEL knob sets the amplitude level the signal must cross to acquire a waveform TRIG MENU Displays the Trigger Menu SET TO 50 The trigger level is set to the vertical midpoint between the peaks of the trigger signal FORCE TRIG Completes an acquisition regardless of an adequate trigger signal This button has no effect if the acquisition is already stopped TRIG VIEW Displays the trigger waveform in place of the channel waveform while you hold down the TRIG VIEW button Use this to see how the trigger setti
92. eries Digital Oscilloscope User Manual Application Examples 12 Push the Back option button 13 Attach the probe tip and reference lead to the first test point Read the frequency and cycle RMS measurements from the oscilloscope display and compare these to the ideal values 14 Repeat step 13 for each test point until you find the malfunction ing component NOTE When Autorange is active each time you move the probe to another test point the oscilloscope readjusts the horizontal scale the vertical scale and the trigger level to give you a useful display Using an Isolated Channel to Analyze a Differential Communication Signal You are having intermittent problems with a serial data communica tion link and you suspect poor signal quality Set up the oscilloscope to show you a snapshot of the serial data stream so you can verify the signal levels and transition times This is a differential signal Because the oscilloscope has isolated channels you can view the signal with a single probe WARNING Do not float the P2220 probe reference lead to gt 30 N Vrms Use the P5120 floatable to 600 V rms CAT II or 300 Vrms CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrms subject to the ratings of such high voltage probe TPS2000 Series Digital Oscilloscope User Manual 4 9 Application Examples
93. et 9 10 Cursor 9 15 Display 9 17 Help 9 21 Horizontal 9 21 Math 9 24 Math FFT 5 4 Measure 9 25 Print 9 27 Save Recall 9 28 Trigger 9 36 Utility 9 47 Vertical 9 52 Mercury end of life handling xvi TPS2000 Series Digital Oscilloscope User Manual Index 7 Index Messages 2 4 2 5 Minimum measurements 9 26 Multiply waveforms Math menu 9 24 Multipurpose knob 2 12 Navigation file system 9 49 Negative width measurements 9 27 Noise reduction Average mode 9 2 Math subtraction 9 24 trigger coupling 9 37 vertical bandwidth limit 9 52 Nonvolatile memory reference waveform files 9 28 setup files 9 28 Normal operation recall default setup 3 3 Normal trigger mode 9 38 NTSC video standard 9 41 Nyquist frequency 5 3 0 OpenChoice software B 1 RS 232 interface 6 8 Operating temperature battery packs 8 2 Operating time battery packs 1 8 remaining 8 8 Option buttons xv Option types Action 2 6 Circular List 2 6 Radio 2 7 Options types Page Selection 2 6 Oscilloscope do not block vents 1 7 front panels 2 1 power through AC adaptor 1 6 set date and time 9 48 specifications A 1 A 14 stewardship xvi understanding functions 3 1 p P2220 probe specifications A 16 A 18 PAL video standard 9 41 Panning horizontal 3 8 vertical 3 8 PCX file format 6 4 Peak Detect acquisition mode 3 7 9 3 Peak Detect mode 9 2 icon 2 3 Peak to Peak measurements 9 26 Peak
94. for each battery pack 6 Again apply external power from the oscilloscope AC adaptor for approximately 5 hours for each battery pack During this time do not power on the oscilloscope If the battery pack is not fully charged and calibrated attempt to calibrate the battery pack again If the second attempt fails replace the battery pack 8 10 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs Replacing Battery Packs Use the instructions on page 1 8 to remove and replace the battery packs NOTE Replace the Li Ion battery packs only with the type and model recommended TPSBAT Li Ion battery packs must be disposed of properly See page xvi for battery pack disposal and recycling information To achieve optimum performance from a new battery pack fully charge the battery pack as described on page 8 6 TPS2000 Series Digital Oscilloscope User Manual 8 11 Managing TPSBAT Battery Packs 8 12 TPS2000 Series Digital Oscilloscope User Manual i 7 Reference a A Reference This chapter describes the menus and operating details associated with each front panel menu button or control Topic Page Acquire menu RUN STOP button and SINGLE SEQ button 9 2 Application 9 6 Autorange 9 7 Autoset 9 10 Cursor 9 15 Default setup 9 16 Display 9 17 Help 9 21 Horizontal controls menu SET TO ZERO button HORIZONTAL POSITION knob 9 21 and SEC DIV knob Math 9 24 Measure 9 25 Print Save
95. ge Between 150 Vams CAT lll or 150 V DC CAT III Tip Signal and 420 V peak lt 50 DF lt 1 s PW the Earth Ground 670 V peak lt 20 DF lt 1 s PW 1X position 150 Vams CAT Il or 150 V DC CAT II 100 Vans CAT lll or 100 V DC CAT III 210 V peak lt 50 DF lt 1 s PW 330 V peak lt 20 DF lt 1 s PW Maximum Voltage Between the 30 Vans Reference Lead and Earth Ground A 16 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications P2220 Probe Specifications 1 As defined in IEC61010 1 2001 See certifications and compliances in Table 3 2 The float voltage must be subtracted from the tip to earth ground voltage For example if the reference lead is floated to 30 V pys the tip voltage to the reference lead is limited to 270 V pms P2220 Probe Specifications Cont Certifications and Compliances EC Declaration of Compliance was demonstrated to the following specification as listed Conformity in the Official Journal of the European Communities Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use EN 61010 2 031 Particular requirements for hand held probe 2003 assemblies for electrical measurement and test Overvoltage Category Examples of Products in this Category Category CAT III Distribution level mains fixed installation CAT Il Local level mains appliances portable equipment
96. ge format described on page 7 7 and page 9 30 250 oscilloscope setting SET files described on page 9 31 18 waveform CSV files described on page 9 32 File Management Conventions The oscilloscope uses the following file management conventions for mass storage It checks for available space on the CF card before writing files and displays a warning message if there is not enough memory available The term folder refers to a directory location on the CF card The default location for the file save or file recall functions is the current folder The root folder is A The oscilloscope resets the current folder to A when you power on the oscilloscope or when you insert a CF card after the oscilloscope is powered on TPS2000 Series Digital Oscilloscope User Manual 7 3 Removable Mass Storage File names can have one to eight characters followed by a period and then followed with an extension of one to three characters It displays long file names created on PC operating systems with the shortened file name from the operating system File names are upper case You can use the File Utilities menu to do the following tasks List the contents of the current folder Select a file or folder Navigate to other folders Create rename and delete files and folders Format the CF card For details on the UTILITY File Utilities menu see page 9 49 Using the Save function of the PRINT Button You can change the fu
97. ge the horizontal scale If the shape of the waveform changes drastically you may have aliasing m Select the Peak Detect acquisition mode described on page 3 7 This mode samples the highest and lowest values so that the oscilloscope can detect faster signals If the shape of the waveform changes drastically you may have aliasing TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions m Ifthe trigger frequency is faster than the display information you may have aliasing or a waveform that crosses the trigger level multiple times Examining the waveform allows you to identify whether the shape of the signal is going to allow a single trigger crossing per cycle at the selected trigger level If multiple triggers are likely to occur select a trigger level that will generate only a single trigger per cycle If the trigger frequency is still faster than the display indicates you may have aliasing If the trigger frequency is slower this test is not useful m Ifthe signal you are viewing is also the trigger source use the graticule or the cursors to estimate the frequency of the displayed waveform Compare this to the Trigger Frequency readout in the lower right corner of the screen If they differ by a large amount you may have aliasing The next table lists the time base settings that you can use to avoid aliasing at various frequencies and the respective sample rate At the fastest SEC DIV setti
98. ger Use Edge triggering to trigger on the edge of the oscilloscope input signal at the trigger threshold Options Settings Comments Edge With Edge highlighted the rising or falling edge of the input signal is used for the trigger Source CH1 Select the input source as the trigger CH2 signal see page 9 39 CH3 CH4 Ext Ext 5 Ext 10 Slope Rising Select to trigger on either the rising or Falling falling edge of the signal Mode Auto Select the type of triggering see page Normal 9 38 AC DC Coupling Selects the components of the trigger signal applied to the trigger circuitry see Noise Reject page 9 40 HF Reject LF Reject Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual 9 37 Reference Trigger Frequency Readout The oscilloscope counts the rate at which triggerable events occur to determine trigger frequency and displays the frequency in the lower right corner of the screen NOTE The trigger frequency readout shows the frequency of events the oscilloscope might consider to be a trigger and may be less than the frequency of the input signal in Pulse Width trigger mode Key Points Mode Options Mode option Details Auto default Forces the oscilloscope to trigger when it does not detect a trigger within a certain amount of time based on the SEC DIV setting you can use this mode in many situations such as to monitor the level of a power supply ou
99. gital Oscilloscope User Manual A 7 Appendix A Specifications Oscilloscope Specifications Cont Trigger Trigger Level Accuracy Accuracies are for signals having rise and fall times 20 ns typical Internal 0 2 div x volts div within 4 divisions from center screen EXT 6 of setting 100 mV for signals lt 2 V EXT 5 6 of setting 500 mV for signals lt 10 V EXT 10 6 of setting 1 V for signals lt 20 V SET LEVEL TO 50 Operates with input signals 2 50 Hz typical Default Settings Video Coupling is AC and Auto mode except for a single sequence Trigger acquisition Sensitivity Video Composite video signal Trigger Type typical Range Pk pk amplitude of 2 divisions Signal Formats and Supports NTSC PAL and SECAM broadcast systems for any Field Rates Video field or any line Trigger Type Holdoff Range 500 ns to 10 s A 8 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope Specifications Cont Pulse Width Trigger Pulse Width Trigger Trigger when lt Less than gt Greater than Equal or modes Not Equal Positive pulse or Negative pulse Pulse Width Trigger Equal The oscilloscope triggers when the trailing edge of the Point pulse crosses the trigger level Not Equal If the pulse is narrower than the specified width the trigger point is the trailing edge Otherwise the oscilloscope triggers when a pulse continues longer than the t
100. gn Inc Copyright 2000 2001 efont The Electronic Font Open Laboratory All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 3 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 4 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution 5 Neither the name of the team nor the names of its contributors may be used to endorse or promote products derived from this font without specific prior written permission THIS FONT IS PROVIDED BY THE TEAM AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS FONT EVEN IF ADVISED OF THE POSSIBILITY OF S
101. h horizontal and vertical parameters Times are referenced to the trigger point For the Math FFT function these cursors measure frequency Time cursors also include a readout of the waveform amplitude at the point the waveform crosses the cursor Automatic The MEASURE Menu can take up to five automatic measurements When you take automatic measurements the oscilloscope does all the calculating for you Because the measurements use the waveform record points they are more accurate than the graticule or cursor measurements Automatic measurements use readouts to show measurement results These readouts are updated periodically as the oscilloscope acquires new data For measurement descriptions refer to page 9 25 in the Reference chapter TPS2000 Series Digital Oscilloscope User Manual 3 15 Understanding Oscilloscope Functions 3 16 TPS2000 Series Digital Oscilloscope User Manual Application Examples A AAA Application Examples This section presents a series of application examples These simplified examples highlight the features of the oscilloscope and give you ideas for using it to solve your own test problems Taking simple measurements Using Autoset Using the Measure Menu to take automatic measurements Measuring two signals and calculating gain Using Autorange to examine a series of test points Using an isolated channel to analyze a differential communica tion signal Viewing an instantaneous power wavefo
102. h of the pulse when the Trigger Type option is set to Pulse Utility File Utilities File selection Selects files to rename or delete see page 9 49 Name entry Renames the file or folder see page 9 49 Utility Options Value entry Sets the value for the date or time Set Date and Time see page 9 48 AUTORANGE Displays the Autorange Menu and activates or deactivates the autoranging function When autoranging is active the adjacent LED lights SAVE RECALL Displays the Save Recall Menu for setups and waveforms MEASURE Displays the automated measurements menu ACQUIRE Displays the Acquire Menu TPS2000 Series Digital Oscilloscope User Manual 2 13 Operating Basics APPLICATION Displays a menu when an Application Key is inserted in the front of the oscilloscope for example Power Analysis UTILITY Displays the Utility Menu CURSOR Displays the Cursor Menu Cursors remain displayed unless the Type option is set to Off after leaving the Cursor Menu but are not adjustable DISPLAY Displays the Display Menu HELP Displays the Help Menu DEFAULT SETUP Recalls the factory setup AUTOSET Automatically sets the oscilloscope controls to produce a usable display of the input signals SINGLE SEQ Acquires a single waveform and then stops RUN STOP Continuously acquires waveforms or stops the acquisition PRINT Starts print operations through the Centronics or RS 232 ports or performs the SAVE functi
103. hannel BNC or to the EXT TRIG BNC Types The oscilloscope provides three types of triggers Edge Video and Pulse Width 3 4 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Modes You can select the Auto or the Normal trigger mode to define how the oscilloscope acquires data when it does not detect a trigger condition See page 9 38 To perform a single sequence acquisition push the SINGLE SEQ button Coupling You can use the Trigger Coupling option to determine which part of the signal will pass to the trigger circuit This can help you attain a stable display of the waveform To use trigger coupling push the TRIG MENU button select an Edge or Pulse trigger and select a Coupling option NOTE Trigger coupling affects only the signal passed to the trigger system It does not affect the bandwidth or coupling of the signal displayed on the screen To view the conditioned signal being passed to the trigger circuit push and hold down the TRIG VIEW button Position The horizontal position control establishes the time between the trigger and the screen center Refer to Horizontal Scale and Position Pretrigger Information on page 3 8 for more information on how to use this control to position the trigger TPS2000 Series Digital Oscilloscope User Manual 3 5 Understanding Oscilloscope Functions Slope and Level The Slope and Level controls help to define the trigger
104. ile name FnnnnCHx CSV where nnnn is an automatically generated number and x is the channel number FnnnnMTH CSV FnnnnRFx CSV where x is the reference memory letter FnnnnTEK where is the current Saves Image to File format FnnnnTEK SET Contents and uses Contains ASCII text strings that list the time relative to the trigger and amplitude values for each of the 2500 waveform data points vou can import CSV files into manv spreadsheet and math analysis applications Import files into spreadsheet and word processing applications type of image file depends on the application Contains an ASCIl text string listing of the oscilloscope settings refer to the TDS200 TDS1000 TDS2000 and TPS2000 Series Digital Oscilloscopes Programmer Manual to decode strings TPS2000 Series Digital Oscilloscope User Manual Removable Mass Storage Saves Image to File This option allows you to save the oscilloscope screen image to a file named TEKnnnn where is the specified graphics file format For more information see page 9 30 Before you can save data to the CF card you need to configure the PRINT button to the alternative SAVE function To do so select SAVE RECALL gt Save All gt PRINT Button Saves Image to File TPS2000 Series Digital Oscilloscope User Manual 7 7 Removable Mass Storage 7 8 TPS2000 Series Digital Oscilloscope User Manual KT E Managing TPSBAT Batterv Packs EA A Managing TPSBA
105. ime specified as the Pulse Width Less than The trigger point is the trailing edge Greater than also called time out trigger The oscilloscope triggers when a pulse continues longer than the time specified as the Pulse Width Pulse Width Range Selectable from 33 ns to 10 s Pulse Width Resolution 16 5 ns or 1 part per thousand whichever is larger Equal Guardband t gt 330 ns 5 lt guardband lt 5 1 16 5 ns t lt 330 ns guardband 16 5 ns Not Equal Guardband t gt 330 ns 5 lt guardband lt 5 1 16 5 ns 165 ns lt t lt 330 ns guardband 16 5 ns 33 ns t lt 165 ns guardband 16 5 ns TPS2000 Series Digital Oscilloscope User Manual A 9 Appendix A Specifications Oscilloscope Specifications Cont Trigger Frequency Counter Readout Resolution Accuracy typical Frequency Range Signal Source A 10 6 digits 51 parts per million including all frequency reference errors and 1 count errors AC coupled 10 Hz minimum to rated bandwidth Pulse Width or Edge Trigger modes all available trigger sources The Frequency Counter measures trigger source at all times in Pulse Width or Edge modes including when the oscilloscope acquisition is halted due to changes in the run status or acquisition of a single shot event has completed Pulse Width Trigger mode The oscilloscope counts pulses of significant magnitude inside the 250 ms measurement window that qualify as triggerable events
106. ior permission The Institute of Software Academia Sinica makes no representations about the suitability of this software for any purpose It is provided as is without express or implied warranty THE INSTITUTE OF SOFTWARE ACADEMIA SINICA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS IN NO EVENT SHALL THE INSTITUTE OF SOFTWARE ACADEMIA SINICA BE LIABLE FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE DATA OR PROFITS WHETHER IN AN ACTION OF CONTRACT NEGLIGENCE OR OTHER TORTIOUS ACTION ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE Copyright 1986 2000 Hwan Design Inc You are hereby granted permission under all Hwan Design propriety rights to use copy modify sublicense sell and redistribute the 4 Baekmuk truetype outline fonts for any purpose and without restriction provided that this notice is left intact on all copies of such fonts and that Hwan Design Int s trademark is acknowledged as shown below on all copies of the 4 Baekmuk truetype fonts TPS2000 Series Digital Oscilloscope User Manual E 1 Appendix E Font Licenses BAEKMUK BATANG is a registered trademark of Hwan Design Inc BAEKMUK GULIM is a registered trademark of Hwan Design Inc BAEKMUK DOTUM is a registered trademark of Hwan Design Inc BAEKMUK HEADLINE is a registered trademark of Hwan Desi
107. is and channel 2 is the vertical axis The oscilloscope uses the untriggered Sample acquisition mode and displays data as dots The sampling rate is fixed at 1 MS s NOTE The oscilloscope can capture a waveform in normal YT mode at any sampling rate You can view the same waveform in XY mode To do so stop the acquisition and change the display format to XY In XY format the controls operate as follows m The channel 1 VOLTS DIV and VERTICAL POSITION controls set the horizontal scale and position m The channel 2 VOLTS DIV and VERTICAL POSITION controls continue to set vertical scale and position The following functions do not work in XY display format Autoset resets display format to YT m Autorange Automatic measurements m Cursors m Reference or Math waveforms m SAVE RECALL gt Save All Time base controls m Trigger controls 9 20 TPS2000 Series Digital Oscilloscope User Manual Reference Help Push the HELP button to display the Help menu The topics cover all the menu options and controls of the oscilloscope For more information on the Help system refer to page xiii Horizontal You can use the horizontal controls to set up two views of a waveform each with their own horizontal scale and position The horizontal position readout shows the time represented by the center of the screen using the time of the trigger as zero Changing the horizontal scale causes the waveform to expand or contract arou
108. is live Stopping the acquisition when you push the RUN STOP button freezes the display In either mode the waveform display can be scaled or positioned with the vertical and horizontal controls Application 9 6 You can use the Application button when an Application Key is inserted in the front of the oscilloscope such as for power analysis For more information refer to the user manual for the application TPS2000 Series Digital Oscilloscope User Manual Reference Autorange When you push the AUTORANGE button the oscilloscope activates or deactivates the Autorange function An LED lights adjacent to the AUTORANGE button that indicates when the function is active This function automatically adjusts setup values to track a signal If the signal changes the setup continues to track the signal When you power on the oscilloscope autoranging is always inactive Options Comment Autoranging Activates or deactivates the Autorange function when activated the adjacent LED lights Vertical and Horizontal Tracks and adjusts both axes Vertical Only Tracks and adjusts the Vertical scale does not change the horizontal settings Horizontal Only Tracks and adjusts the Horizontal scale does not change the vertical settings The following conditions cause autorange to adjust settings m Too many or too few waveform periods for a clear display of the trigger source not in Vertical Only Waveform amplitude too large or t
109. ition Installation 1 6 You can use the oscilloscope AC adaptor to power the oscilloscope or to charge battery packs when installed To use the oscilloscope AC adaptor as the power source follow these steps 1 Insert the DC connector end of the adaptor into the DC INPUT connector on the back of the oscilloscope TPS2000 Series Digital Oscilloscope User Manual Getting Started 2 Connect the appropriate power cord between the oscilloscope AC adaptor and an electrical outlet If battery packs are installed an LED lights on the front of the oscilloscope to indicate when the battery packs are charging gt DC INPUT connector BATTERY CHARGING LED indicator NOTE The oscilloscope contains a temperature sensing fan for cooling that forces air through vents on the bottom and on the side of the oscilloscope To allow air to flow freely through the oscilloscope do not block these vents TPS2000 Series Digital Oscilloscope User Manual 1 7 Getting Started Battery Packs The oscilloscope can accommodate two TPSBAT battery packs The product includes one battery pack that is not installed when shipped The amount of time you can operate the oscilloscope with battery packs depends on the oscilloscope model Oscilloscope Amount of time to operate 2 channel 5 5 hours on one battery pack 11
110. ive or chemical cleaning agents CAUTION To avoid damage to the surface of the oscilloscope or TPS2000 Series Digital Oscilloscope User Manual C 1 Appendix C Cleaning C 2 TPS2000 Series Digital Oscilloscope User Manual i AA Appendix D Default Setup This appendix describes the options buttons and controls that change settings when you push the DEFAULT SETUP button For a list of settings that do not change refer to page D 4 NOTE When you push the DEFAULT SETUP button the oscilloscope displays the CH1 waveform and removes all other waveforms Default settings Menu or system Option button or knob Default setting ACQUIRE three mode options Sample Averages RUN STOP RUN AUTORANGE Autorange h o o a Vertical and Horizontal CURSOR Type Source CH1 Horizontal amplitude 3 2 divs Vertical time 4 divs DISPLAY Type Vectors e a e a lt Format TPS2000 Series Digital Oscilloscope User Manual D 1 Appendix D Default Setup Default setup Cont Menu or control Option Default setting HORIZONTAL Main 2 FFT operation Source CH1 Window Hanning FFT Zoom X1 MEASURE all CH1 TRIGGER common Edge TRIGGER Edge Rising D D 2 TPS2000 Series Digital Oscilloscope User Manual Appendix D Default Setup Default setup Cont Menu or control Default setting TRIGGER Video Polarity Normal Sync All Lines Standard NTSC TRIGGER Pulse When Set Pulse
111. lloscope EMC Certifications and Compliances European Meets the intent of Directive 89 336 EEC for Electromagnetic Compatibility Union Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61326 EMC requirements for Class A electrical equipment for measure ment control and laboratory use 2 IEC 61000 4 2 Electrostatic discharge immunity Performance criterion B IEC 61000 4 3 RF electromagnetic field immunity Performance criterion A IEC 61000 4 4 Electrical fast transient burst immunity Performance criterion B IEC 61000 4 5 Power line surge immunity Performance criterion B IEC 61000 4 6 Conducted RF immunity Performance criterion A 4 61000 4 11 Voltage dips and interruptions immunity Performance criterion EN 61000 3 2 AC power line harmonic emissions EN 61000 3 3 Flicker 1 Emissions that exceed the levels required by this standard may occur when this equipment is connected to a test object 2 To ensure compliance to the standards listed above attach only high quality shielded cables to this instrument High quality shielded cables typically are braid and foil types that have low impedance connections to shielded connectors at both ends 3 The increase in trace noise while subjected to a test field 3 V m over the frequency range 80 MHz to 1 GHz with 80 amplitude modulation at 1 kHz is not to exceed 2 major divisions peak to peak Ambien
112. lloscopes share a common reference for the oscilloscope channel and Ext Trig inputs This reference is typically connected to earth ground through the power cord With common referenced oscilloscopes all input signals must have the same common reference when you take any multi channel measurements Without differential preamplifiers or external signal isolators common referenced oscilloscopes are not suitable for taking floating measurements Probe Connection WARNING To prevent electrical shock do not exceed the measure ment or floating voltage ratings for the oscilloscope input BNC connector probe tip or probe reference lead Understand the voltage ratings for the probes you are using and do not exceed those ratings The following voltage ratings are important to know and understand The maximum measurement voltage from the probe tip and BNC signal to the probe reference lead The maximum measurement voltage from the probe tip and BNC shell to earth ground m The maximum floating voltage from the probe reference lead to earth ground WARNING Do not float the P2220 probes reference lead to gt 30 V rus Use the P5120 floatable to 600 V kms CAT II or 300 V RMS CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 V gms subject to the ratings of such high voltage probe TPS2000 Series Digital Oscilloscope User
113. loscope will not trigger during the holdoff time For a pulse train you can adjust the holdoff time so the oscilloscope triggers only on the first pulse in the train Acquisition Acquisition Acquisition interval interval interval os fi N N o Indicates J trigger points Holdoff Holdoff Holdoff Triggers are not recognized during holdoff time To use Trigger Holdoff push the HORIZ MENU Set Holdoff option button and use the multipurpose knob to adjust the holdoff The resolution of the trigger holdoff varies depending on the Horizontal SEC DIV setting TPS2000 Series Digital Oscilloscope User Manual Reference Utility Push the UTILITY button to display the Utility Menu Options System Status Options Do Self Cal File Utilities Language Comments Displays summaries of the oscilloscope settings Front Panel Backlight Enables Illumination of the front panel Printer Setup Displays the setup for the printer see page 6 2 RS232 Setup Displays the setup for the RS 232 port see page 6 5 Set Date and Time Displays the setup for the date and time see page 9 48 Error Log Displays a list of any errors logged and the Power Cycle count This list is useful when contacting a Tektronix Service Center for help Performs a self calibration Displays folder file and CF card options see page 9 49 English Selects the display language of the French oscilloscope German Italian
114. lta is the absolute value of cursor 1 minus cursor 2 Magnitude cursors Frequency cursors You can also take a frequency measurement without using the cursors To do so turn the Horizontal Position knob to position a frequency component on the center graticule line and read the frequency at the top right of the display 5 12 TPS2000 Series Digital Oscilloscope User Manual ha Communications RS 232 and Centronics E fe AAA Communications RS 232 and Centronics This chapter describes how to use the communications functions of the oscilloscope and describes how to do the following tasks m Send a screen image to an external device printer or computer Set up and test the RS 232 interface To use the OpenChoice Desktop software to transfer data from the oscilloscope to a PC refer to the TDSPCS1 software user manual WARNING Do not float the P2220 probe reference lead to gt 30 N Vrms Use the P5120 floatable to 600 V rms CAT II or 300 Vrms CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrms subject to the ratings of such high voltage probe The oscilloscope power up banner displays a warning message similar to that shown above The first RS 232 command that the oscilloscope receives will clear this warning message TPS2000 Series Digital Oscilloscope User Manual 6
115. ly charged state This is what the external charger does as part of the routine and what the internal charge method does step by step External Calibration You can use the optional TPSCHG battery charger see page B 2 to calibrate battery packs For complete information refer to the manual for the battery charger To calibrate battery packs follow these steps 1 Place the battery pack in the left hand slot of the charger 2 Push the Push to Recalibrate Left Battery Bay button TPS2000 Series Digital Oscilloscope User Manual 8 9 Managing TPSBAT Battery Packs The charger will charge discharge and then fully recharge the battery pack returning it to a fully calibrated state The calibration process can take up to ten hours to complete Overnight calibration is recommended due to the slow nature of the discharge charge cycle Internal Calibration If you do not have a TPSCHG battery charger you can still calibrate a battery pack inside the oscilloscope To do so follow these steps 1 Power down the oscilloscope to allow a faster charge rate 2 Apply external power from the oscilloscope AC adaptor for approximately 5 hours per battery pack 3 Remove the oscilloscope AC adaptor 4 Push the front panel power switch to power on the oscilloscope 5 Operate the oscilloscope until it powers off indicating the battery pack is fully discharged approximately 5 5 hours for 2 channel models and 4 5 hours for 4 channel models
116. m Advice about problems you may face while using an oscillo scope such as Reducing Noise The Help system provides several ways to find the information you need context sensitive hyperlinks and an index Context Sensitive The oscilloscope displays information about the last menu displayed on the screen when you push the HELP front panel button When viewing help topics an LED lights next to the multipurpose knob to indicate that the knob is active If the topic uses more than one page turn the multipurpose knob to move from page to page within the topic TPS2000 Series Digital Oscilloscope User Manual xiii Preface Xiv Hyperlinks Most of the help topics contain phrases marked with angle brackets such as lt Autoset gt These are links to other topics Turn the multipurpose knob to move the highlight from one link to another Push the Show Topic option button to display the topic correspond ing to the highlighted link Push the Back option button to return to the previous topic Index Push the front panel HELP button then push the Index option button Push the Page Up or Page Down option buttons until you find the index page that contains the topic you want to view Turn the multipurpose knob to highlight a help topic Push the Show Topic option button to display the topic NOTE Push the Exit option button or any menu button to remove the Help text from the screen and return to displaying waveforms TPS2000
117. m DC 0 Hz to the Nyquist frequency TPS2000 Series Digital Oscilloscope User Manual 5 3 Math FFT Normally the display compresses the FFT spectrum horizontally into 250 points but you can use the FFT Zoom function to expand the FFT spectrum to more clearly see the frequency components at each of the 1024 data points in the FFT spectrum NOTE The oscilloscope vertical response rolls off slowly above its bandwidth 100 MHz or 200 MHz depending on the model or 20 MHz when the Bandwidth Limit option is set to ON Therefore the FFT spectrum can show valid frequency information higher than the oscilloscope bandwidth However the magnitude information near or above the bandwidth will not be accurate Displaying the FFT Spectrum Push the MATH MENU button to display the Math Menu Use the options to select the Source channel Window algorithm and FFT Zoom factor You can display only one FFT spectrum at a time 5 4 TPS2000 Series Digital Oscilloscope User Manual Math FFT Math FFT option Comments Source Selects the channel used as the FFT source Window Hanning Selects the FFT window type for Flattop details refer to page 5 6 Rectangular FFT Zoom Changes the horizontal magnification of the FFT display for details refer to page 5 10 Available only on a 4 channel oscilloscope Me Trig d_Pos 250 0_kH7 MATH j Operation t FFT Fundamental lt frequency component Window
118. magnification is the center graticule line Turn the HORIZONTAL POSITION knob clockwise to move the FFT spectrum to the right Push the SET TO ZERO button to position the center of the spectrum at the center of the graticule Vertical Zoom and Position The channel vertical knobs become vertical zoom and position controls for their respective channels when displaying the FFT spectrum The VOLTS DIV knob provides zoom factors of X0 5 X1 default X2 X5 and X10 The FFT spectrum is vertically magnified about the M marker math waveform reference point on the left edge of the screen Turn the VERTICAL POSITION knob clockwise to move the spectrum up for the source channel Measuring an FFT Spectrum Using Cursors You can take two measurements on FFT spectrums magnitude in dB and frequency in Hz Magnitude is referenced to 0 dB where O dB equals 1 Vrms TPS2000 Series Digital Oscilloscope User Manual 5 11 Math FFT You can use the cursors to take measurements at any zoom factor To do so follow these steps 1 Push the CURSOR button to see the Cursor Menu 2 Push Source gt FFT 3 Push the Type option button to select between Magnitude and Frequency 4 Use the multipurpose knob to move cursors 1 and 2 Use horizontal cursors to measure magnitude and vertical cursors to measure frequency The options display the delta between the two cursors the value at cursor 1 position and the value at cursor 2 position De
119. n page 6 8 8 From your PC terminal program type ID then press the Return or Enter key to send the command The oscilloscope sends back its identification string which should look similar to the following ID TEK TPS 2024 CF 91 1CT FV V10 00 NOTE For brief information on command entry refer to page 6 13 For complete command information refer to the TDS200 TDS1000 TDS2000 and TPS2000 Series Digital Oscilloscopes Programmer Manual RS 232 Troubleshooting If the oscilloscope and the external device computer or printer have trouble communicating follow these steps 1 Check that you are using the correct RS 232 cable Determine whether your external device requires a null modem or a straight through connection Refer to the table on page 6 6 for information about RS 232 cables TPS2000 Series Digital Oscilloscope User Manual 6 9 Communications RS 232 and Centronics 2 Check that the RS 232 cable is firmly connected to both the oscilloscope and the correct port on the external device 3 Check that the printer or the program on the personal computer is using the same port to which you connected the RS 232 cable Try your program or printer again 4 Check that the oscilloscope RS 232 settings match the settings used by the external device C d e f Determine the RS 232 settings for the external device a b Push the UTILITY button to see the Utility Menu Push Options RS 232 Set
120. n receive any EOL string Parity None Even Odd Adds an error check bit ninth bit to each character TPS2000 Series Digital Oscilloscope User Manual 6 7 Communications RS 232 and Centronics NOTE When you set the Parity option to None the oscilloscope uses 8 data bits and 1 stop bit When you set the Parity option to Even or to Odd the oscilloscope uses 7 data bits and 1 stop bit You can use the OpenChoice Desktop software included with the oscilloscope to begin transferring information from the oscilloscope to your PC If the software does not work then try testing the RS 232 interface To test the oscilloscope RS 232 interface follow these steps 1 Connect the oscilloscope to a personal computer PC using an appropriate RS 232 cable Refer to the table on page 6 6 2 Power on the PC 3 On the PC run a terminal emulator program such as Microsoft Windows Hyperterminal Make sure the PC serial port is set as follows Function Setting Baud rate 9600 Data flow control Hardflagging Parity None You also need to set up the terminal emulator program to see characters sent Enabling echo and CRLF will keep lines from overlapping 6 8 TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics Power on the oscilloscope Push the UTILITY button to see the Utility Menu Push Options RS 232 Setup a a ES Check that the menu settings match those listed in the table o
121. n each channel Vertical Digitizers 8 bit resolution except when set to 2 mV div each channel sampled simultaneously VOLTS DIV Range 2 mV div to 5 V div at input BNC 2 mV div to 200 mV div 2 V gt 200 mV div to 5 V div 50 V Position Range TPS2000 Series Digital Oscilloscope User Manual A 3 Appendix A Specifications Oscilloscope Specifications Cont Vertical Analog Bandwidth in Sample and TPS2012 and TPS2014 TPS2024 Average modes at BNC or with P2220 probe set to 10X DC 100 MHzt 200MHzt Coupled 5 mV div bandwidth is 200 MHz typical 10 mV div bandwidth is 200 MHz from 0 C to 40 C ambient Derate to 160 MHz 50 C 20 MHz when vertical scale is set to lt 5 mV Analog Bandwidth in Peak Detect 75 MHzt mode 90 5 0 10 5 SAN Ji typical 20 MHz when vertical scale is set to lt 5 mV Selectable Analog Bandwidth Limit 20 MHz typical Lower Frequency Limit AC lt 10 Hz at BNC Coupled lt 1 Hzwhen using a 10X passive probe Rise Time at BNC typical TPS2012 and TPS2014 TPS2024 T When vertical scale is set to gt 5 mV The oscilloscope reverts to Sample mode when the SEC DIV horizontal scale is set from 2 5 us div to 5 ns div on 100 MHz models or from 2 5 us div to 2 5 ns div on a TPS2024 model Sample mode can capture 12 ns glitches A 4 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope Specifications Cont Vertical Peak
122. nction of the PRINT button through one of the following options 7 4 SAVE RECALL gt Save All b PRINT Button UTILITY Options gt Printer Setup TPS2000 Series Digital Oscilloscope User Manual Removable Mass Storage PRINT Button option Comments Saves All to Files Sets the button to save all active oscilloscope information waveforms screen image settings to files in a new subfolder in the current CF card folder Saves Image to File Sets the button to save the screen image to a file on the CF card Prints See page 6 3 for information on printer setups NOTE An LED by the PRINT button lights to indicate the alternative SAVE function that writes data to the CF card Saves All to Files This option allows you to save all of the current oscilloscope information to files on the CF card Before you can save data to the CF card you need to configure the PRINT button to the alternative SAVE function To do so select SAVE RECALL gt Save All gt PRINT Button gt Saves All to Files When you push the SAVE button the oscilloscope creates a new folder on the CF card and saves the information in separate files in that new folder using the current oscilloscope and file format settings The oscilloscope names the folder ALLnnnn TPS2000 Series Digital Oscilloscope User Manual 7 5 Removable Mass Storage Source CH x MATH Ref x Screen Image Settings File type CSV Screen images SET 7 6 F
123. nd select the Main option 2 Push the Window Zone option button 3 Turn the SEC DIV knob and select 500 ns This will be the SEC DIV setting of the expanded view 4 Turn the HORIZONTAL POSITION knob to position the window around the portion of the waveform that you want to expand EN TPS2000 Series Digital Oscilloscope User Manual 4 31 Application Examples 5 Push the Window option button to see the expanded portion of the waveform 6 Turn the SEC DIV knob to optimize viewing the expanded waveform To switch between the Main and Window views push the Main or Window option button in the Horizontal Menu Viewing Impedance Changes in a Network You have designed a circuit that needs to operate over a wide temperature range You need to evaluate the change in impedance of the circuit as the ambient temperature is changed 4 32 TPS2000 Series Digital Oscilloscope User Manual Application Examples Connect the oscilloscope to monitor the input and output of the circuit and capture the changes that occur as you vary the tempera ture Circuit Q CH1 CH2 TPS2000 Series Digital Oscilloscope User Manual 4 33 Application Examples To view the input and output of the circuit in an XY display follow thes
124. nd the screen center Options Comments Main The main horizontal time base setting is used to display the waveform Window Two cursors define a window zone Zone Adjust the Window Zone with the Horizontal Position and SEC DIV controls Window Changes the display to show the waveform segment expanded to screen width within the window zone Set Holdoff Displays the holdoff value push the option button and use the multipurpose knob to adjust NOTE You can push the horizontal option buttons to switch between an entire waveform display and a zoomed part of it TPS2000 Series Digital Oscilloscope User Manual 9 21 Reference A readout near the top right of the screen displays the current horizontal position in seconds An M indicates the Main time base and a W indicates the Window time base The oscilloscope also indicates horizontal position with an arrow icon at the top of the graticule Knobs and Buttons HORIZONTAL POSITION Knob Use to control the position of the trigger relative to the center of the screen The trigger point can be set to the left or the right of the center of the screen The maximum number of divisions to the left depends on the Horizontal Scale time base setting For most scales the maximum is at least 100 divisions Placing the trigger point off the screen to the left is called Delayed Sweep SET TO ZERO Button Use to set the horizontal position to zero SEC DIV Knob Horizontal Scale Use to
125. ndicates contact bounce and inductance in the circuit The inductance can cause contact arcing and premature relay failure You can use the vertical horizontal and trigger controls to optimize the settings before the next single shot event is captured When the next acquisition is captured with the new settings when you push the SINGLE SEQ button again you can see more detail about the relay contact opening You can now see that the contact bounces several times as it opens TPS2000 Series Digital Oscilloscope User Manual Application Examples Measuring Propagation Delay You suspect that the memory timing in a microprocessor circuit is marginal Set up the oscilloscope to measure the propagation delay between the chip select signal and the data output of the memory device o o O gt CH1 CH2 our CH1 at 20 00ns z 50 00MHz ay 0 284 Cursor 2 70 0ns 0 08V TPS2000 Series Digital Oscilloscope User Manual 4 23 Application Examples To set up to measure propagation delay follow these steps 1 Push the AUTOSET button to trigger a stable display 2 Adjust the horizontal and vertical controls to optimize the display Push the CURSOR button to see the Cursor Menu Push Type gt Time
126. near the bottom of the signal 7 Push When gt equals 8 Turn the multipurpose knob to set the pulse width to the value reported by the Pulse Width measurement in step 2 9 Push More gt Mode gt Normal You can achieve a stable display with the oscilloscope triggering on normal pulses 10 Push the When option button to select 4 lt or gt If there are any aberrant pulses that meet the specified When condition the oscilloscope triggers NOTE The trigger frequency readout shows the frequency of events the oscilloscope might consider to be a trigger and may be less than the frequency of the input signal in Pulse Width trigger mode 4 26 TPS2000 Series Digital Oscilloscope User Manual Application Examples Triggering on a Video Signal You are testing the video circuit in a piece of medical equipment and need to display the video output signal The video output is an NTSC standard signal Use the video trigger to obtain a stable display 75 Q terminator OO O O O OO TPS2000 Series Digital Oscilloscope User Manual 4 27 Application Examples NOTE Most video systems use 75 ohm cabling The oscilloscope inputs do not properly terminate low impedance cabling To avoid amplitude inaccuracy from improper
127. nect the oscilloscope to an external RS 232 device follow these guidelines m Use the correct cable refer to the table on page 6 6 m Use a cable that is no longer than 50 feet 15 meters m Power off the oscilloscope and the external device before you connect the cable between them NOTE For information on connecting external devices when making floating mesaurements refer to Taking Floating Measurements on page 1 4 6 6 TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics RS 232 Settings To set up the oscilloscope RS 232 interface follow these steps 1 Push the UTILITY button to see the Utility Menu 2 Push Options RS 232 Setup 3 Push the option buttons to match the settings of your external device The next table lists the settings you can change NOTE The oscilloscope stores these settings until you change them even if you push the DEFAULT SETUP button Option Settings Comments Set to Sets the RS 232 interface to factory Defaults defaults Baud 9600 Flow hardflag ging EOL String LF Parity None Baud 300 600 1200 Sets the data transmission rate 2400 4800 9600 19200 Flow Control Hardflagging Sets data flow control Softflagging Softflagging None Xon Xoff Hardflagging RTS CTS Use hardware flagging when you transfer binary data EOL String CR LF CR LF Sets the end of line terminator sent by LF CR the oscilloscope the oscilloscope ca
128. ng aliasing is not likely to occur due to the bandwidth limitations of the oscilloscope input amplifiers TPS2000 Series Digital Oscilloscope User Manual 3 11 Understanding Oscilloscope Functions Settings to avoid aliasing in Sample mode Maximum Time base Samples per frequency SEC DIV second component 2 5 ns 2 GS s 200 0 MHz 5 0 to 250 0 ns 1 GS s or 200 0 MHz 2 GS s 500 0 ns 200 0 MHz 1 0 us 125 0 MHz 2 5 us 50 0 MHz 5 0 us 25 0 MHz 10 0 us 12 5 MHz 25 0 us 5 0 MHz 50 0 us 2 5 MHz 100 0 us 1 25 MHz 250 0 us 500 0 kHz 500 0 us 250 0 kHz Depending on the oscilloscope model Bandwidth reduced to 6 MHz with a P2220 probe set to 1X 3 12 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Settings to avoid aliasing in Sample mode Cont Maximum Time base Samples per frequency SEC DIV second component 1 0 ms 125 0 kHz 2 5 ms 50 0 kHz 5 0 ms 25 0 kHz 10 0 ms 12 5 kHz 25 0 ms 5 0 kHz 50 0 ms 2 5 kHz 100 0 ms 1 25 kHz 250 0 ms 500 0 Hz 500 0 ms 250 0 Hz 1 0s 125 0 Hz 2 55 50 0 Hz 5 0s 25 0 Hz 10 0 s 12 5 Hz 25 05 5 0 Hz 50 0s 2 5 Hz TPS2000 Series Digital Oscilloscope User Manual 3 13 Understanding Oscilloscope Functions Taking Measurements The oscilloscope displays graphs of voltage versus time and can help you to measure the displayed waveform There are several ways to take measurements You can use the graticule the c
129. ngs affect the trigger signal such as trigger coupling Menu and Control Buttons Multipurpose knob AUTORANGE SAVE RECALL MEASURE ACQUIRE AUTOSET oo E APPLICATION UTILITY CURSOR eS e G cs W SAVE Refer to the Reference chapter for detailed information on the menu and button controls TPS2000 Series Digital Oscilloscope User Manual 2 11 Operating Basics Multipurpose Knob Function is determined by the displayed menu or selected menu option When active the adjacent LED lights Active menu or option Knob function Description Cursor Cursor 1 or Positions the selected cursor Cursor 2 Display Adjust Contrast Changes the contrast of the display Adjust Brightness Changes the brightness of the display Help Scroll Selects entries in the Index selects links in a topic displays the next or previous page for a topic Horizontal Holdoff Sets the amount of time before another trigger event can be accepted refer to Holdoff on page 9 46 Math Positions the math waveform Vertical Scale Changes the scale of the math waveform Save Recall File selection Selects setup or waveform files to save or to recall 2 12 TPS2000 Series Digital Oscilloscope User Manual Operating Basics Active menu or option Knob function Description Trigger Video line number Sets the oscilloscope to a specific line number when the Trigger Type option is set to Video and the Sync option is set to Line Number Pulse width Sets the widt
130. nment where conductive pollutants may be present Enclosure Rating IP 302 When the CompactFlash card and optional Application key are installed the rating becomes IP402 Temperature Operating 32 F to 122 F 0 C to 50 C Nonoperating 40 F to 159 8 F 40 C to 71 C See also Battery Charging Tempera ture and Discharging Temperature on page 8 2 Cooling Method Forced air temperature controlled Humidity Operating High 50 C 122 F 60 RH Low 30 C 86 F 60 RH Non operating High 55 C to 71 C 131 F to 160 F 60 RH max wet bulb Low 0 C to 30 C 32 F to 86 F lt 90 RH max wet bulb Altitude Operating and Nonoper 3 000 m 10 000 ft ating Random Vibration with Operating 0 31 gams from 5 Hz to 500 Hz one battery pack 10 minutes on each of 3 axis Nonoperating 2 46 gams from 5 Hz to 500 Hz 10 minutes on each of 3 axis Mechanical Shock with Operating 50 g 11 ms half sine one battery pack A 12 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope General Specifications Cont Mechanical Size without front 160 8 mm 6 33 in protecion caver 336 3 mm 13 24 in 129 5 mm 5 10 in Weight approximate 2 7 kg 6 0 Ibs 3 2 kg 7 0 lbs 3 7 kg 8 0 Ibs 1 As defined in IEC 61010 1 2001 2 As defined in IEC 60529 2001 TPS2000 Series Digital Oscilloscope User Manual A 13 Appendix A Specifications Osci
131. ns Consult your air carrier for applicability and determination of any special Li Ion battery pack transportation requirements The TPSBAT lithium ion battery pack contains less than 8 grams of lithium with individual cells each containing less than 1 5 grams of lithium as measured by International Civil Aviation Organization ICAO standards 8 4 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs Checking the Charge and Calibration Status The UTILITY gt System Status Misc option shows the amount of time you can continue to operate the oscilloscope from the battery packs and the battery charge status If the oscilloscope is operating from the AC adaptor only the battery charge status is reported The remaining time calculation is based on a one minute running average of the current drain for the battery pack in use Wait at least one minute after you power on the oscilloscope to ensure an accurate reading TPS2000 Series Digital Oscilloscope User Manual 8 5 Managing TPSBAT Battery Packs Charging Battery Packs You can charge the battery packs in an oscilloscope or in the external battery charger Charge method Amount of time to charge per battery Oscilloscope internal With the oscilloscope power ON 7 hours With the oscilloscope power OFF 4 5 hours External 3 hours WARNING Do not attempt to charge a battery pack below 0 C N 32 F or above 45 C 113 F Charging a ba
132. nse string Processing Break Signals When the oscilloscope senses a break signal on the RS 232 port it returns the three character string DCL followed by the end of line terminator Internally the oscilloscope acts as if it received a GPIB lt DCL gt command device clear causing the oscilloscope to erase the contents of the input and output buffers and then wait for a new command Break signals do not change oscilloscope settings or stored data and do not interrupt front panel operation or nonpro grammable functions TPS2000 Series Digital Oscilloscope User Manual 6 11 Communications RS 232 and Centronics If a break signal is sent in the middle of a character stream several characters immediately preceding or following the break can be lost The controller waits until it receives the three character string DCL and the end of line terminator string before sending more characters RS 232 Connector Pinout Diagram The next figure shows the pin numbering and signal assignments for the RS 232 connector 1234 5 00000 DA eee JO 6 7 8 9 No connection Receive data RxD Transmit data TxD Data terminal ready DTR Signal ground GND Data set ready DSR Request to send RTS Clear to send CTS No connection OON DOF WDM input output output input output input TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics Command Entry When you ente
133. older in the current folder location named NEW_FOL and displays the Rename menu for changing the default folder name Deletes the selected file name or folder A folder must be empty before you can delete it Displays after pressing Delete to confirm a file delete action Pressing any button or knob other than Confirm Delete cancels the file delete action Formats the CF card this deletes all data on the CF card Follow the on screen directions to set up and push the Update Firmware option button to start updating firmware Displays the Rename screen to rename a folder or file see page 9 51 TPS2000 Series Digital Oscilloscope User Manual Reference Rename File or Folder You can change the names of files and folders on the CF card Settings or Option submenus Comments Enter Character Enters the highlighted alphanumeric character at the current Name field cursor position Use the multipurpose knob to select an alphanumeric character or the Backspace Delete Character or Clear Name functions Backspace Changes the menu button 1 option to the Backspace function Deletes the character to the left of the highlighted character in the Name field Delete Changes the menu button 1 option to the Character Delete Character function Deletes the highlighted character from the Name field Clear Name Changes the menu button 1 option to Clear Name Deletes all characters from the Name field TPS2000 Series Digital Oscill
134. on to the removable mass storage SAVE An LED indicates when the PRINT button is configured to save data to the CF card TPS2000 Series Digital Oscilloscope User Manual Operating Basics Input Connectors EXT TRIG yA A SEE BACK PANEL FOR RATINGS E 2 channel model CH 1 CH2 CH 3 CH 4 EXT TRIG A SEE BACK PANEL FOR RATINGS 4 channel models CH 1 CH 2 CH 3 amp CH 4 Input connectors for waveform display EXT TRIG Input connector for an external trigger source Use the Trigger Menu to select the Ext Ext 5 or Ext 10 trigger source Push and hold the TRIG VIEW button to see how the trigger settings affect the trigger signal such as trigger coupling TPS2000 Series Digital Oscilloscope User Manual 2 15 Operating Basics Other Front Panel Items PROBE COMP TYPE1ComPactFlash APPLICATION BATTERY 5V 1kHz TL e N CHARGING gt L ES SS O Lights when saving data to or retrieving data from a CF card TYPE 1 CompactFlash Insert a CompactFlash CF card for removable memory storage When saving data to or retrieving data from a CF card the adjacent LED lights Wait until the LED goes out to remove the card APPLICATION KEY Insert an Application Key to enable an optional application such as for power analysis BATTERY CHARGING An LED indicates when the oscilloscope is charging installed battery packs PROBE COMP Probe compensation output and chassis reference Us
135. oo small not in Horizontal Only m Ideal trigger level changes TPS2000 Series Digital Oscilloscope User Manual 9 7 Reference When you push the AUTORANGE button the oscilloscope adjusts controls to produce a usable display of the input signal Function Setting Acquire mode Sample Display format YT Display persist Off Horizontal position Adjusted Horizontal view Main RUN STOP RUN SEC DIV Adjusted Trigger coupling DC Trigger holdoff Minimum Trigger level Adjusted Trigger mode Edge Vertical bandwidth Full Vertical BW limit Off Vertical coupling DC Vertical invert Off VOLTS DIV Adjusted 9 8 TPS2000 Series Digital Oscilloscope User Manual Reference The following control changes deactivate autorange VOLTS DIV deactivates vertical autoranging SEC DIV deactivates horizontal autoranging Display or remove a channel waveform Trigger settings Single Seq acquisition mode Recall a setup XY Display format Persistence The Autorange function is usually more useful than Autoset in the following situations Analyzing a dynamically changing signal Quickly comparing a sequence of several signals without adjusting the oscilloscope This is very useful if you need to use two probes at the same time or you need to use a probe in one hand and are holding something else in the other Controlling which settings the oscilloscope automatically adjusts If your signals vary in frequency but have similar amplitudes you c
136. oscope User Manual 9 51 Reference Vertical You can use the vertical controls to display and remove waveforms adjust vertical scale and position and set input parameters See page 9 24 for the vertical math descriptions Channel Vertical Menus There is a separate vertical menu for each channel Each option is set individually for each channel Options Settings Comments Coupling DC DC passes both AC and DC components of the input signal AC AC blocks the DC component of the input signal and attenuates signals below 10 Hz GND GND disconnects the input signal BW Limit 20 MHz Limits the bandwidth to reduce display Off noise filters the signal to reduce noise and other unwanted high frequency components Volts Div Coarse Selects the resolution of the Volts Div knob Fine Coarse defines a 1 2 5 sequence Fine changes the resolution to small steps between the coarse settings Probe Push to adjust Probe options Invert Inverts flips the waveform with respect to the reference level Effective bandwidth is 6 MHz with a P2220 probe set to 1X 9 52 TPS2000 Series Digital Oscilloscope User Manual Reference The option for voltage and current probes is different Attenuation or Scale Probe options Comments Set to match the attenuation factor of the voltage probe to ensure correct vertical readouts Voltage Attenuation Current Scale 5 VIA Set to match the scale of the 1 V A current probe to ensure correct 2
137. owever a fully charged Li Ion battery pack can lose up to 10 of its charge during the first month of nonuse Self discharge then tapers off in increments of about 5 per month If you plan to store battery packs long term read the Long Term Storage instructions on page 8 3 Charging Temperature Charge the battery packs within an ambient temperature range of 0 to 45 C 32 to 113 F Charging battery packs outside of this range can damage cells or cause them to leak Charging efficiency is best between 0 and 30 C 32 and 86 F with less than 80 relative humidity Discharging Temperature The battery packs are rated to operate between 10 and 50 C 14 and 122 F with less than 80 relative humidity Operating outside of this range can cause damage Battery discharge capacity drops significantly at temperatures below 0 C 32 F and above 45 C 113 F 8 2 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs Cold temperatures adversely affect the normal electrochemical reactions within a battery pack reducing the available capacity Although Li Ion battery packs can operate down to 20 C 4 F without damage the available capacity is significantly reduced below 0 C 32 F You can minimize this loss by keeping the battery packs warm prior to and during use Short Term Storage Store battery packs in a low humidity environment free of corrosive gases The storage temperatur
138. pes was designed for easy access to specialized functions through the menu structure When you push a front panel button the oscilloscope displays the corresponding menu on the right side of the screen The menu shows the options that are available when you push the unlabeled option buttons directly to the right of the screen The oscilloscope uses several methods to display menu options m Page Submenu Selection For some menus you can use the top option button to choose two or three submenus Each time you push the top button the options change For example when you push the top button in the TRIGGER Menu the oscilloscope cycles through the Edge Video and Pulse Width trigger submenus m Circular List The oscilloscope sets the parameter to a different value each time you push the option button For example you can push the CH 1 MENU button and then push the top option button to cycle through the Vertical channel Coupling options Action The oscilloscope displays the type of action that will immediately occur when you push an Action option button For example when the Help Index is visible and you push the Page Down option button the oscilloscope immediately displays the next page of index entries 2 6 TPS2000 Series Digital Oscilloscope User Manual Operating Basics m Radio The oscilloscope uses a different button for each option The currently selected option is highlighted For example the oscilloscope displa
139. plays the measurement and updates 4 4 TPS2000 Series Digital Oscilloscope User Manual Application Examples 13 Push the Back option button 14 Push the bottom option button the Measure 5 Menu appears 15 Push Type Pos Width The Value readout displays the measurement and updates 16 Push the Back option button CH1 Freq 1 000kHz CH1 Period 1 000ms CH1 Pk Pk 5 044 CH1 Rise Time 261105 CH1 Pos Width 500 0 us Measuring Two Signals If vou are testing a piece of equipment and need to measure the gain of the audio amplifier vou will need an audio generator that can inject a test signal at the amplifier input Connect two oscilloscope channels to the amplifier input and output as shown next Measure both signal levels and use the measurements to calculate the gain TPS2000 Series Digital Oscilloscope User Manual 4 5 Application Examples oh CH1 CH2 CH1 Fk Pk ENGLI CHe Pk Pk 206m CH1 None CH1 Mone CH1 None 4 6 TPS2000 Series Digital Oscilloscope User Manual Application Examples To activate and display the signals connected to channel 1 and to channel 2 and select measurements for the two channels follow these steps 9 ees GP ee a Push the AUTOSET button Push the MEASURE button to see the Measure Menu Push the top option button the Measure 1 Men
140. ponents of the trigger DC signal applied to the trigger circuitry see Noise Reject Edge Trigger for details on page 9 37 HF Reject LF Reject More Use to switch between submenu pages Available only on a 4 channel oscilloscope Trigger Frequency Readout The oscilloscope counts the rate at which trigger events occur to determine trigger frequency and displays the frequency in the lower right corner of the screen Key Points Trigger When The pulse width of the source must be 5 ns for the oscilloscope to detect the pulse When options Details Triggers the oscilloscope when the signal pulse width is equal to or not equal to the specified pulse width within a 5 a tolerance lt Triggers the oscilloscope when the source signal pulse width is less than or greater than the specified pulse width gt TPS2000 Series Digital Oscilloscope User Manual 9 43 Reference Triggers when pulse is Triggers when pulse is less than width setting greater than width setting e lt gt Threshold level Triggers when pulse is equal Triggers when pulse is not to width setting 5 equal to width setting 5 FTA Threshold level ill gt lt Tolerance Tolerance e Trigger point Refer to page 4 25 for an example of triggering on aberrant pulses Knobs and Buttons LEVEL Knob Use to control the Trigger Level 9 44 TPS2000 Series Digital Oscilloscope User Manual Referen
141. pulse width 4 25 triggering on a video signal 4 27 triggering on video fields 4 28 triggering on video lines 4 29 using Autorange to examine test points 4 8 using persistence 4 34 using the window function 4 31 using XY mode 4 34 viewing a Math instantaneous power waveform 4 11 viewing impedance changes in a network 4 32 Application key 2 16 ASCII interface 6 13 Attenuation voltage probe 1 16 1 19 9 53 Attenuation switch 1 19 Auto trigger mode 9 38 Automatic measurements 9 25 in Value readout 4 4 basic concepts 3 15 AUTORANGE button 2 13 Autorange functions 3 2 overview 9 7 turning off 9 9 Autorange menu 9 7 AUTOSET button 2 14 Autoset functions 3 2 DC level 9 10 FFT 9 12 noise 9 11 overview 9 10 pulse signal 9 13 sine waves 9 12 square wave 9 13 Undo 9 12 video signal 9 14 when to use 9 11 Autoset menu 9 10 Average acquisition mode 9 2 Mean measurement 9 26 Average acquisition mode 3 7 9 5 Average mode icon 2 3 Bandwidth limit trigger 9 37 vertical 9 52 Bandwidth limited readout 2 4 Battery packs aging 8 3 calibration 8 1 8 8 check 8 5 care 8 1 charge 8 6 check level 8 5 external 8 7 internal 8 6 temperature 8 2 8 6 time 8 6 charger 8 7 charging conditions 8 2 charging internally LED indica tor 2 16 continuous charge 8 2 8 8 end of life 8 4 external charger B 2 front panel illumination 2 2 installation 1 8 internal charger B 1
142. quire and display narrow pulses which may have otherwise been missed in Sample mode Noise will appear to be higher in this mode Average In this acquisition mode the oscilloscope acquires several waveforms averages them and displays the resulting waveform You can use this mode to reduce random noise Time Base The oscilloscope digitizes waveforms by acquiring the value of an input signal at discrete points The time base allows you to control how often the values are digitized To adjust the time base to a horizontal scale that suits your purpose use the SEC DIV knob TPS2000 Series Digital Oscilloscope User Manual 3 7 Understanding Oscilloscope Functions Scaling and Positioning Waveforms You can change the waveform display by adjusting the scale and position When you change the scale the waveform display will increase or decrease in size When you change the position the waveform will move up down right or left The channel reference indicator located on the left of the graticule identifies each waveform on the display The indicator points to the reference level of the waveform record To view the display area and readouts refer to page 2 2 Vertical Scale and Position You can change the vertical position of waveforms by moving them up or down in the display To compare data you can align a waveform above another or you can align waveforms on top of each other You can change the vertical scale of a
143. r 8 7 B 2 oscilloscope 1 6 B AC coupling trigger 9 37 vertical 9 52 Accessories B 1 B 6 ACQUIRE button 2 13 9 2 Acquire menu 9 2 Acquire signals basic concepts 3 6 Acquisition live display 9 6 single shot example 4 21 stopping 9 6 Acquisition modes 3 6 9 2 Average 3 7 9 5 indicators 2 3 Peak Detect 3 7 9 3 Sample 3 7 9 3 Add waveforms Math menu 9 24 Address Tektronix xvii Aliasing check for 3 10 FFT 5 8 time domain 3 9 Amplitude cursors 3 15 9 15 Amplitude measurements using cursors 4 13 Application power analysis B 2 APPLICATION button 2 14 Application examples analyzing a differential commu nication signal 4 9 analyzing signal detail 4 19 automatic measurements 4 2 autoranging to examine test points 4 8 autoset using 4 3 averaging using 4 20 calculating amplifier gain 4 7 capturing a single shot signal 4 21 cursors using 4 13 isolated channels to analyze a differential signal 4 9 looking at a noisy signal 4 19 measuring propagation delay 4 23 measuring pulse width 4 15 measuring ring amplitude 4 13 measuring ring frequency 4 13 measuring rise time 4 17 measuring two signals 4 5 optimizing the acquisition 4 22 peak detect using 4 19 power analysis using Math 4 11 reducing noise 4 20 taking automatic measurements 4 3 taking cursor measurements 4 13 TPS2000 Series Digital Oscilloscope User Manual Index 1 Index triggering on a specific
144. r oscilloscope commands over the RS 232 bus follow these general rules m You can enter commands in upper or lower case m You can abbreviate many oscilloscope commands These abbreviations are shown in uppercase letters For example the command ACQuire NUMAVg can be entered simply as ACQ NUMAV or acq numav m You can precede any command with white space characters White space characters include any combination of the ASCII control characters 00 through 09 and OB through 20 hexadecimal 0 through 9 and 11 through 32 decimal m The oscilloscope ignores commands that consist of just a combination of white space characters and line feeds Refer to the TDS200 TDS1000 TDS2000 and TPS2000 Series Digital Oscilloscopes Programmer Manual 071 1075 XX for more information TPS2000 Series Digital Oscilloscope User Manual 6 13 Communications RS 232 and Centronics 6 14 TPS2000 Series Digital Oscilloscope User Manual EW Removable Mass Storage Removable Mass Storage The oscilloscope accommodates a Type 1 CompactFlash CF card for removable mass storage The oscilloscope can save data to and retrieve data from the CF card Installing and Removing a CompactFlash CF Card The front of the oscilloscope has a Type 1 CF card slot 10 E PROBE CHECK PROBE COMP SV IkHe SL CompactFlash Eject button LED lights when active card slot To install a CF card follow these steps 1 Align the card with the ca
145. r regulations Contact a local Tektronix representative if you require assistance in recycling your Tektronix product TPS2000 Series Digital Storage Oscilloscopes contain a cold cathode fluorescent lamp within the oscilloscope display that contains trace amounts of mercury If required by local law or regulation the display assembly or lamp must be placed into a recovery program designated for mercury containing materials TPS2000 Series Digital Oscilloscope User Manual Preface Contacting Tektronix Phone Address Web site Sales support Service support Technical support 1 800 833 9200 Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices TPS2000 Series Digital Oscilloscope User Manual xvii Preface xviii TPS2000 Series Digital Oscilloscope User Manual Getting Started AA fe Getting Started TPS2000 Series Digital Storage Oscilloscopes are small lightweight battery powered portable oscilloscopes In addition to the li
146. rd slot on the oscilloscope Tvpel cards are keyed 2 Insert the card into the slot until the card is flush with the front panel If the card does not easily slide into place remove it and reinsert it correctly TPS2000 Series Digital Oscilloscope User Manual 7 1 Removable Mass Storage 7 2 To remove a CF card follow these steps 1 Push and release the eject button until the button fully extends 2 Push the eject button again to release the card from the slot 3 Pull the CF card out of the front panel slot CF Card Initial Read Time The oscilloscope reads the internal structure of a CF card each time you insert a card The time to complete the read depends on the size of the CF card and how it is formatted To significantly shorten the initial read time of 64 MB and larger CF cards format the CF card in the oscilloscope Formatting a CF Card The Format function deletes all data on the CF card To format a CF card follow these steps 1 Insert a CF card into the CF card slot 2 Push the UTILITY button to see the Utility Menu 3 Push File Utilities gt More gt Format 4 Select Yes to format the CF card TPS2000 Series Digital Oscilloscope User Manual Removable Mass Storage CF Card Capacities The oscilloscope can store the following types and number of files per 1 MB of CF card memory 5 Save All operations described on page 7 4 and page 9 29 16 screen image files capacity depends on the ima
147. rence The Autoset function examines all channels for signals and displays corresponding waveforms Autoset also determines the trigger source based on the following conditions m If multiple channels have signals channel with the lowest frequency signal m No signals found the lowest numbered channel displayed when Autoset was invoked m No signals found and no channels displayed oscilloscope displays and uses channel 1 When you use Autoset and the oscilloscope cannot determine the signal type the oscilloscope adjusts the horizontal and the vertical scales then takes the Mean and Pk to Pk automatic measurements The Autoset function is usually more useful than Autorange in the following situations m Troubleshooting one stable signal m Automatically seeing measurements of your signal m Easily changing how the signal is presented For example viewing only one cycle of the waveform or the rising edge of the waveform m Viewing video signals or FFT signals TPS2000 Series Digital Oscilloscope User Manual 9 11 Reference Sine Wave When you use the Autoset function and the oscilloscope determines that the signal is similar to a sine wave the oscilloscope displays the following options Sine wave options MAN Multi cycle sine va Single cycle sine Aw FFT Undo Autoset Details Displays several cycles with appropriate vertical and horizontal scaling the oscilloscope displays Cycle RMS Frequen
148. rity cable to secure your oscilloscope to your location 1 12 TPS2000 Series Digital Oscilloscope User Manual Getting Started LE e _ Security lock hole gt 6 O ae je a U Probes TPS2000 series oscilloscopes ship with P2220 passive voltage probes See page 1 15 for probe safety See Appendix A for specifications You can use many Tektronix voltage probes and current probes with these oscilloscopes Refer to Appendix B or the www Tektronix com web site for a list of compatible probes Functional Check Perform this functional check to verify that your oscilloscope is operating correctly TPS2000 Series Digital Oscilloscope User Manual 1 13 Getting Started O OO p o PASSED O O p o O p 2 DEFAULT SETUP ON OFF button button PROBE COMP Power on the oscilloscope Read the probe warning Then push OK Push the DEFAULT SETUP button The default Voltage Probe Attenuation option is 10X Set the switch to 10X on the P2220 probe and connect the probe to channel 1 on the oscilloscope To do this align the slot in the probe connector with the key on the CH 1 BNC push to connect and twist to the right to lock the probe in place Connect the probe tip and reference lead to the PROBE COMP terminals 3 Push the AUTOSET button Within a few seconds you should see a square wave in the displ
149. rm Taking cursor measurements Measuring ring frequency and ring amplitude Measuring pulse width Measuring rise time Analyzing signal detail Looking at a noisy signal Using the average function to separate a signal from noise TPS2000 Series Digital Oscilloscope User Manual 4 1 Application Examples Capturing a single shot signal Optimizing the acquisition Measuring propagation delay m Triggering on a pulse width m Triggering on a video signal Triggering on video fields and video lines Using the window function to see waveform details m Viewing impedance changes in a network using XY mode and persistence Taking Simple Measurements You need to see a signal in a circuit but you do not know the amplitude or frequency of the signal You want to quickly display the signal and measure the frequency period and peak to peak amplitude H 4 2 TPS2000 Series Digital Oscilloscope User Manual Application Examples Using Autoset To quickly display a signal follow these steps 1 Push the CH 1 MENU button 2 Push Probe gt Voltage gt Attenuation gt 10X 3 Set the switch to 10X on the P2220 probe 4 Connect the channel 1 probe tip to the signal Connect the reference lead to the circuit reference point 5 Push the AUTOSET button The oscilloscope sets the vertical horizontal and trigger controls automatically If you want to optimize the display of the waveform you can manually
150. ry packs in an oscilloscope or with the TPSCHG external battery charger See page 8 6 Power Cord Use only power cords designed for the AC adaptor for the oscillo scope or external charger The AC adaptor for the oscilloscope and external charger requires 90 to 264 VACpms 45 to 66 Hz Refer to page B 2 for a list of available power cords Versatile Hanger Use the versatile hanger to securely suspend the oscilloscope when you cannot place it on a stable surface such as on a bench top TPS2000 Series Digital Oscilloscope User Manual Getting Started To attach the hanger follow these steps 1 Position a hanger clip over one of the feet on the rear case so the clip is flat against the case Orient the slot at the top of the clip 2 Push the clip up towards the top of the case to snap it in place a lt Nylon strap Hanger cli x AS f ger clip D _ Feet Gh SS Snap in place a y 4 Adjust the length of the nylon strap A short strap helps to keep the oscilloscope stationary while suspended NY 3 Repeat steps 1 and 2 for the other clip TPS2000 Series Digital Oscilloscope User Manual 1 11 Getting Started NOTE You can route the nylon strap through the handle on the oscilloscope to provide a more stable center of gravity 5 Place the hooks over a vertical support such as a wall partition or an instrument rack door Security Lock Use a standard laptop computer secu
151. s and X operations Math Fast Fourier Transform FFT Pulse Width trigger capability m Video trigger capability with line selectable triggering m External trigger m Setup and waveform storage m Removable mass storage m Variable persistence display m RS 232 and Centronics ports m OpenChoice PC Communications software m User interface in ten user selectable languages TPS2000 Series Digital Oscilloscope User Manual 1 3 Getting Started Taking Floating Measurements For taking floating measurements the oscilloscope channel and Ext Trig inputs 3 MQ are isolated from the oscilloscope chassis and from each other This allows independent floating measurements with channel 1 channel 2 and Ext Trig and with channel 3 and channel 4 on four channel models l Electrical Oscilloscope chassis NC i p i AC adaptor outlet mH CH2 7h a Ia N A CH3 Centronics Printer N 2 EXT TRIG 3 MQ impedance Connected to earth ground by building wiring NC means not connected typical of a North American building 1 4 TPS2000 Series Digital Oscilloscope User Manual Getting Started A The oscilloscope inputs float even when the oscilloscope is connected to a grounded power supply a grounded printer or a grounded computer Most other osci
152. s 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 Connect and Disconnect Properly Connect the probe output to the measurement instrument before connecting the probe to the circuit under test Disconnect the probe input and the probe reference lead from the circuit under test before disconnecting the probe from the measurement instrument 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 Use Proper Probe To avoid shock hazard use a properly rated probe for your measurement Floating Do not float the P2220 probe reference lead to gt 30 V rms Use the P5120 floatable to 600 V rms CAT II or 300 V rms CAT III or similarly rated passive high voltage probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 V rms subject to the ratings of such high voltage probe Powering Off The power cord provides Mains disconnect Replace Batteries Properly Replace batteries only with the proper type and rating specified Recharge Batteries Properly Recharge batteries for the recommended charge cycle only
153. ser Manual General Safety Summary WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product These symbols may appear on the product CAUTION Standby Chassis Ground Refer to Manual TPS2000 Series Digital Oscilloscope User Manual General Safety Summary x TPS2000 Series Digital Oscilloscope User Manual g Preface This manual contains operating information for the TPS2000 Series Digital Storage Oscilloscopes The manual consists of the following chapters m The Getting Started chapter briefly describes features of the oscilloscope and provides installation instructions The Operating Basics chapter covers operating principles of the oscilloscopes m The Understanding Oscilloscope Functions chapter describes basic operations and functions of an oscilloscope setting up the oscilloscope triggering acquiring data scaling and positioning waveforms and taking measurements m The Application Examples chapter includes examples of a wide variety of measurements to give you ideas on how to solve your own measurement problems The Math FFT chapter describes how to use the Math Fast Fourier Transform function to convert a time domain signal into its frequency components spectrum TPS2000 Series Digital Oscilloscope User Manual xi Preface xii The Communications chapter describes how to se
154. setups 3 2 Save All menu 9 29 Save Image menu 9 30 Save Setup menu 9 31 SAVE to a CompactFlash card 2 14 Save Waveform menu 9 32 SAVE RECALL button 2 13 Save Recall menu 9 28 Saving All files to a CF card 7 4 image files to a CF card 7 7 setups 9 35 waveforms 9 36 Scale current probe 1 20 9 53 horizontal 3 8 vertical 3 8 Scaling waveforms basic concepts 3 8 Scan mode 9 6 9 22 Scanning waveforms 9 22 Screen buttons xv Screen data saving to a file 7 7 sending to a printer 6 5 sending to an external device 6 5 SEC DIV control 2 10 9 22 SECAM video standard 9 41 Security lock 1 12 Self calibration 1 20 Service battery packs 8 1 error log as a reference 9 47 Index 10 TPS2000 Series Digital Oscilloscope User Manual Index Service manual ordering B 4 Service support contact informa tion xvii Set date and time 9 48 SET TO 50 button 2 11 SET TO ZERO button 2 10 Setups basic concepts 3 2 saving and recalling 9 28 Side menu buttons xv Signal path compensation 9 48 Sine waves Autoset function 9 12 SINGLE SEQ button 9 5 steps taken by the oscilloscope when pushed 3 4 Single shot signal application example 4 21 Slope 3 6 Soft case ordering B 5 Soft keys xv Software OpenChoice B 1 TPS2PWR1 power analysis B 2 WaveStar B 2 Source Ext 9 39 Ext 10 9 39 Ext 5 9 39 trigger 3 4 9 37 9 41 9 42 Specifications oscilloscope A 1 A 14 P2220 probe A 16 A 18 Squar
155. st of general features on the next page this chapter describes how to do the following tasks Take floating measurements Install your product Charge battery packs Perform a brief functional check Perform a probe check and compensate probes Match your probe attenuation factor Use the self calibration routine NOTE You can select a language to display on the screen when you power on the oscilloscope At any time you can also access the UTILITY Language option to select a language TPS2000 Series Digital Oscilloscope User Manual 1 1 Getting Started General Features The next table and list describe the general features Model Sample rate TPS2012 1 0 GS s TPS2014 1 0 GS s TPS2024 20 GSI m Battery powered or line powered m Two rechargeable battery packs second battery pack optional m Independently isolated channels with no shared common ground m TPS2PWR1 Power Analysis application optional Support for compatible voltage probes and current probes Context sensitive help system m Color LCD display m Selectable 20 MHz bandwidth limit m 2500 point record length for each channel m Autoset 1 2 TPS2000 Series Digital Oscilloscope User Manual Getting Started Autoranging for quick set up and hands free operation m Probe Check Wizard m Cursors with readouts m Trigger frequency readout m Eleven automatic measurements m Waveform averaging and peak detection Dual time base Math function
156. t Folder About Save All An LED lights adjacent to the PRINT button to indicate the alternative SAVE function that sends data to a CF card TPS2000 Series Digital Oscilloscope User Manual 9 29 Reference Save Image The Save Image action saves a screen image to a file in a specified format Options Settings orsubmenus Comments File Format BMP PCX TIFF RLE Sets the screen image graphics file EPSIMAGE format Lists the contents of the current CF card folder and displays the folder options Select Folder Change Folder See File Management Conventions on page 7 3 and File Utilities on New Folder page 9 49 Layout Select portrait or landscape image layout Ink Saver Activates or deactivates Ink Saver On or Off mode Save filename Saves the screen image to the such as TEKOOOO TIF automatically generated file name in the current CF card folder About Saving Images Displays the help topic See page 6 3 for information on printer setups When the PRINT Button option is set to Saves Image to File the oscilloscope saves screen images to the CF card when you push the SAVE button For more information see page 7 7 9 30 TPS2000 Series Digital Oscilloscope User Manual Reference Save Setup The Save Setup action saves the current oscilloscope settings to a file named TEKnnnn SET in a specified folder or in nonvolatile setup memory A setup file contains an ASCII text string that lists the
157. t conducted fields may induce triggering when the trigger threshold is offset less than 1 major division from channel reference 4 The increase in trace noise while subjected to a test field 3 V m over the frequency range 150 kHz to 80 MHz with 80 amplitude modulation at 1 kHz is not to exceed 1 major division peak to peak Ambient conducted fields may induce triggering when the trigger threshold is offset less than 0 5 major divisions from channel reference A 14 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Oscilloscope EMC Certifications and Compliances Cont Australia New Meets the intent of Australian EMC Framework as demonstrated to the Zealand following specification AS NZS 2064 1 2 Oscilloscope Safety Certifications and Compliances Certifications CAN CSA 22 2 No 1010 1 2004 UL61010 1 2004 CSA Certified CSA Certification includes the products and power cords appropriate Power Cords for use in the North America power network All other power cords supplied are approved for the country of use Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Overvoltage Category Examples of Products in this Category Category STEANE il e CAT III Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CATI Signal levels in special equipment or parts of equipment telecommunications electronics Adjustm
158. t up the RS 232 and Centronics ports to use the oscilloscope with external devices such as printers and computers The Removable Mass Storage chapter describes how to use a CompactFlash card and oscilloscope functions available when a card is in use The Managing TPSBAT Battery Packs chapter describes how to use charge calibrate and replace battery packs The Reference chapter describes the selections or available range of values for each option The Appendix A Specifications chapter includes electrical environmental and physical specifications for the oscilloscope and the P2220 probe as well as certifications and compliances The Appendix B Accessories chapter briefly describes standard and optional accessories The Appendix C General Care and Cleaning chapter describes how to take care of the oscilloscope The Appendix D Default Setup chapter contains a list of the menus and controls with the default factory settings that are recalled when you push the DEFAULT SETUP front panel button TPS2000 Series Digital Oscilloscope User Manual Preface Help System The oscilloscope has a Help system with topics that cover all the features of the oscilloscope You can use the Help system to display several kinds of information m General information about understanding and using the oscilloscope such as Using the Menu System m Information about specific menus and controls such as the Vertical Position Control
159. tail You have a noisy signal displayed on the oscilloscope and you need to know more about it You suspect that the signal contains much more detail than you can now see in the display Looking at a Noisy Signal The signal appears noisy and you suspect that noise is causing problems in your circuit To better analyze the noise follow these steps 1 Push the ACQUIRE button to see the Acquire Menu 2 Push the Peak Detect option button 3 If necessary push the DISPLAY button to see the Display Menu Use the Adjust Contrast and the Adjust Brightness option buttons with the multipurpose knob to adjust the display to see the noise more easily Peak detect emphasizes noise spikes and glitches in your signal especially when the time base is set to a slow setting TPS2000 Series Digital Oscilloscope User Manual 4 19 Application Examples Separating the Signal from Noise Now you want to analyze the signal shape and ignore the noise To reduce random noise in the oscilloscope display follow these steps 1 Push the ACQUIRE button to see the Acquire Menu 2 Push the Average option button 3 Push the Averages option button to see the effects of varying the number of running averages on the waveform display Averaging reduces random noise and makes it easier to see detail in a signal In the example below a ring shows on th
160. the 10X position An English only probe manual is included TPS2000 Series Oscilloscope User Manual A single user manual is included Refer to the Optional Accessories for a complete list of available language manuals TPSBAT Battery Pack Battery packs make the oscilloscope portable The length of time you can operate the oscilloscope from battery packs depend on the oscilloscope model See page 1 8 Oscilloscope AC Adaptor with Cord Refer to Optional Accessories on page B 2 for a list of available international power cords AC adaptors are not rated for temperatures below 0 C 32 F or intended for outdoor use TDSPCS1 CD ROM The TDSPCS1 OpenChoice PC Communications Software provides easy transfer of data from the oscilloscope to a PC TPS2000 Series Digital Oscilloscope User Manual B 1 Appendix B Accessories Optional Accessories TPS2PWR1 Application The TPS2PWR1 Power Analysis Application extends power measurement capabilities WST RO CD ROM The WST RO WaveStar Software for Oscilloscopes allows you to control the oscilloscope from a PC International Power Cords In addition to the power cord shipped with your oscilloscope you can obtain the following cords Option AO North American 120 V 60 Hz 161 0066 00 Option A1 European 230 V 50 Hz 161 0066 09 Option A2 United Kingdom 230 V 50 Hz 161 0066 10 Option A3 Australian 240 V 50 Hz 161 0066 11 Option A5 Switzerland 230 V 50 Hz 161 0154 00 Option A
161. to peak noise 9 19 Period measurements 9 26 Persistence 9 17 9 19 erased with Horizontal menu changes 9 23 Phase differences 9 20 Phone number Tektronix xvii Polaritv Pulse Width trigger 9 42 Video trigger svnc 9 41 Ports communications 6 2 Position horizontal 3 8 9 21 trigger 9 40 vertical 9 52 Index 8 TPS2000 Series Digital Oscilloscope User Manual Index POSITION control horizontal 2 9 vertical 2 8 Positive width measurements 9 27 Power manage battery packs 8 1 oscilloscope AC adaptor 1 6 specifications A 11 Power analysis application order ing B 2 Power cords 1 10 ordering B 2 Power Cycle count 9 47 Pretrigger 3 4 Pretrigger view 9 40 PRINT button 2 14 9 27 PRINT Button option 9 29 saving to a CF card 7 4 Printer RS 232 interface 6 5 setup 6 3 Printing abort 6 3 screen data 6 5 9 27 testing the port 6 4 PROBE CHECK button 1 16 Probe Check Wizard voltage probes 1 16 PROBE COMP connections 2 16 Probe manuals ordering P2220 1X 10X passive B 4 P5120 20X hi voltage B 4 Probe option match current probe scale 1 20 match voltage probe attenuation 1 19 Probes 1X attenuation and bandwidth limit 1 19 Attenuation switch 1 19 compensation 2 16 current and scale 1 20 optional accessories B 3 P2220 standard 1 13 reference lead isolated channel connections 1 6 safety 1 15 specifications A 16 A 18 voltage and attenuation 9 53 voltage probe check wizard 1
162. to the CF card 9 27 Probe check 9 28 Save Recall 9 28 Trigger controls menu SET TO 50 button FORCE TRIG button TRIG VIEW 9 36 button and LEVEL knob Utility 9 47 Vertical controls menu VERTICAL POSITION knobs and VOLTS DIV knobs 9 52 TPS2000 Series Digital Oscilloscope User Manual 9 1 Reference Acquire 9 2 Push the ACQUIRE button to set acquisition parameters Options Settings Comments Sample Use to acquire and accurately display most waveforms this is the default mode Peak Detect Use to detect glitches and reduce the possibility of aliasing Average Use to reduce random or uncorrelated noise in the signal display the number of averages is selectable Averages 4 Select number of averages 16 64 128 Key Points If you probe a noisy square wave signal that contains intermittent narrow glitches the waveform displayed will vary depending on the acquisition mode you choose pit ee Sample Peak Detect Average TPS2000 Series Digital Oscilloscope User Manual Reference Sample Use Sample acquisition mode to acquire 2500 points and display them at the SEC DIV setting Sample mode is the default mode Sample acquisition intervals 2500 e Sample points Sample mode acquires a single sample point in each interval The maximum sample rate is 1 GS s for oscilloscope models with a bandwidth of 100 MHz and 2 GS s for the 200 MHz models At 100 ns and faster settings
163. tput Use this mode to let the acquisition free run in the absence of a valid trigger this mode allows an untriggered scanning waveform at 100 ms div or slower time base settings Normal Updates displayed waveforms only when the oscilloscope detects a valid trigger condition the oscilloscope displays older waveforms until the oscilloscope replaces them with new ones Use this mode when you want to see only valid triggered waveforms when you use this mode the oscilloscope does not display a waveform until after the first trigger TPS2000 Series Digital Oscilloscope User Manual Reference To perform a Single Sequence acquisition push the SINGLE SEQ button Source Options Source option Details Numbered chan Triggers on a channel whether or not the waveform is nels displayed Ext Does not display the trigger signal the Ext option uses the signal connected to the EXT TRIG front panel BNC and allows a trigger level range of 4 V to 4 V Ext 5 Same as Ext option but attenuates the signal by a factor of five and allows a trigger level range of 20 V to 20 V this extends the trigger level range Ext 10 Same as Ext option but attenuates the signal by a factor of ten and allows a trigger level range of 40 V to 40 V this extends the trigger level range NOTE To view an Ext Ext 5 or Ext 10 trigger signal push and hold down the TRIG VIEW button TPS2000 Series Digital Oscilloscope User Manual 9 39 Reference
164. ttery pack outside of this range can damage the battery pack and will result in a partial charge Internal Charge The oscilloscope has a built in charge system that can charge internal battery packs while the AC adaptor is connected A fully discharged battery pack requires approximately 4 5 hours to fully charge if the oscilloscope is powered down If the oscilloscope is operating a battery pack can take up to 7 hours to fully charge If the oscilloscope has two battery packs installed it will charge the battery pack with the highest available capacity first until fully charged It will then charge the second battery pack 8 6 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs Likewise if the oscilloscope has two battery packs installed it will operate from the battery pack with the lowest available capacity until it reaches full discharge The oscilloscope will then operate from the second battery pack until it reaches full discharge To charge a battery pack in the oscilloscope follow these steps 1 Place the battery pack in the battery compartment See page 1 8 for instructions 2 Apply external power from the oscilloscope AC adaptor The green BATTERY CHARGING indicator on the front panel lights and the battery pack begins to charge immediately External Charge You can use the optional TPSCHG battery charger see Optional Accessories page B 2 to externally charge battery packs For
165. tton to display waveform math opera tions Push the MATH MENU button again to remove math waveforms Refer to page 9 52 for vertical system descriptions Options Comments X FFT Math operations see the next table Sources Sources used for the operations see the next table Position Use the multipurpose knob to set the vertical position of the resultant Math waveform Vertical Scale Use the multipurpose knob to set the vertical scale of the resultant Math waveform The Math Menu includes Sources options for each operation multiplication Operation Comments CH1 CH2 Channels 1 and 2 are added together addition CH3 CH4 Channels 3 and 4 are added together CH1 CH2 The channel 2 waveform is subtracted subtraction from the channel 1 waveform CH2 CH1 The channel 1 waveform is subtracted from the channel 2 waveform CH3 CH4 The channel 4 waveform is subtracted from the channel 3 waveform CH4 CH3 The channel 3 waveform is subtracted from the channel 4 waveform X CH1 x CH2 Channels 1 and 2 are multiplied together CH3 x CH4 Channels 3 and 4 are multiplied together FFT Refer to the Math FFT chapter on page 5 1 Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual Reference Key Points Waveform Units The combination of source waveform units determine the resulting units for the Math waveform Waveform unit Resulting Math unit vo p pe Y S CC E Measure
166. u appears Push Source gt CH1 Push Type gt Pk Pk Push the Back option button Push the second option button from the top the Measure 2 Menu appears Push Source gt CH2 Push Type gt Pk Pk 10 Push the Back option button Read the displayed peak to peak amplitudes for both channels 11 To calculate the amplifier voltage gain use these equations output amplitude Vonazeotin input amplitude VoltageGain dB 20 X logio VoltageGain TPS2000 Series Digital Oscilloscope User Manual 4 7 Application Examples Using Autorange to Examine a Series of Test Points If you have a machine that is malfunctioning you may need to find the frequency and RMS voltage of several test points and compare these values to ideal values You are not able to access front panel controls since you need to use both hands when probing test points that are difficult to physically reach 1 2 AO Sy ee a Push the CH 1 MENU button Push Probe gt Voltage gt Attenuation and set to match the attenuation of the probe attached to channel 1 Push the AUTORANGE button to activate autoranging Push the MEASURE button to see the Measure Menu Push the top option button the Measure 1 Menu appears Push Source gt CH1 Push Type Frequency Push the Back option button Push the second option button from the top the Measure 2 Menu appears 10 Push Source gt CH1 11 Push Type gt Cyc RMS 4 8 TPS2000 S
167. ugh an Action option Each Action option displays a menu that allows you to further define the save or recall function Action options Save All Save Image Save Setup Save Waveform Recall Setup Recall Waveform Display Refs Comments Contains the option that configures the PRINT button to send data to a printer or to save data to the CF card Saves a screen image to a file in a specified format Saves the current oscilloscope settings to a file ina specified folder or in nonvolatile setup memory Saves the specified waveform to a file or to reference memory Recalls an oscilloscope setup file from a CF card or from a location in nonvolatile setup memory Recalls a waveform file from a CF card to a location in reference memory Displays or removes reference memory waveforms from the screen TPS2000 Series Digital Oscilloscope User Manual Reference Save All The Save All action configures the PRINT button to save data to a CF card or to send data to a printer Options Settings or submenus Comments PRINT Button Saves All to Files See page 7 5 for information on file names and formats Saves Image to File See page 7 7 for information on graphic formats Prints See page 6 3 for information on printer setups Lists the contents of the current CF card folder Change Folder See File Management Conven tions on page 7 3 and File Utilities Back Returns to the Save All menu Displays the help topic Selec
168. uisitions 9 18 TPS2000 Series Digital Oscilloscope User Manual Reference 2 Reference waveforms appear white and waveforms with persistence applied appear in the same color as the Main waveform but with less intensity 3 A broken line indicates the waveform display no longer matches the controls This happens when you stop the acquisition and change a control setting that the oscilloscope is not able to apply to the displayed waveform For example changing the trigger controls on a stopped acquisition causes a broken line waveform Key Points Persistence The oscilloscope displays persistence waveform data with less intensity than live waveform data With Persistence set to Infinite record points accumulate until a control is changed Option Comments Off Removes default or old waveforms whenever new waveforms display Time limit Displays new waveforms at normal intensity and old waveforms at a lower intensity erases old waveforms when they reach the time limit Infinite Older waveforms become less bright but always remain visible use Infinite persistence to look for infrequent events and to measure long term peak to peak noise TPS2000 Series Digital Oscilloscope User Manual 9 19 Reference XY Format Use the XY format to analyze phase differences such as those represented by Lissajous patterns The format plots the voltage on channel 1 against the voltage on channel 2 where channel 1 is the horizontal ax
169. up Set the oscilloscope to match the settings of the external device Try the free Open Choice Desktop software again Try your terminal emulator program or printer again 5 Try setting both the oscilloscope and the external device to a slower baud rate 6 If you receive only part of the printer file try these remedies a Lengthen the timeout for the external device b Make sure the printer is set to receive a binary file not a text file TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics Transferring Binary Data To use the RS 232 port to transfer binary data to the oscilloscope set up the interface as follows m Use hardware flagging RTS CTS whenever possible Hardware flagging guarantees no data loss m All eight bits of binary data contain meaningful information To make sure that all eight bits are received or transmitted configure the external RS 232 device to receive and transmit eight bit characters set the RS 232 word length to eight bits Reporting RS 232 I O Errors Errors are reported when there is a problem with parity framing or input output buffer overruns To report errors the oscilloscope posts an event code When an error occurs the oscilloscope discards all input and output and waits for a new command Checking Command Status If you want to check the status of each command sent append an STB query after every command and read the respo
170. up and recalling a setup Using Autoset Autoset functions one time each time you push the AUTOSET button The function obtains a stable waveform display for you It automatically adjusts the vertical scale horizontal scale and trigger settings Autoset also displays several automatic measurements in the graticule area depending on the signal type Using Autorange Autorange is a continuous function that you can enable or disable The function adjusts setup values to track a signal when the signal exhibits large changes or when you physically move the probe to a different point Saving a Setup The oscilloscope saves the current setup if you wait five seconds after the last change before you power off the oscilloscope The oscilloscope recalls this setup the next time you apply power You can use the SAVE RECALL Menu to permanently save up to ten different setups You can also save setups to the CompactFlash card The oscilloscope accommodates a Type 1 CompactFlash card for removable mass sto rage See page 7 1 3 2 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Recalling a Setup The oscilloscope can recall the last setup before the oscilloscope was powered off any saved setups or the default setup See page 9 28 Default Setup The oscilloscope is set up for normal operation when it is shipped from the factory This is the default setup To recall this setup push the DEFAULT
171. ursors or an automated measurement Graticule This method allows you to make a quick visual estimate For example you might look at a waveform amplitude and determine that it is a little more than 100 mV You can take simple measurements by counting the major and minor graticule divisions involved and multiplying by the scale factor For example if you counted five major vertical graticule divisions between the minimum and maximum values of a waveform and knew you had a scale factor of 100 mV division then you could easily calculate your peak to peak voltage as follows 5 divisions x 100 mV division 500 mV Cursor TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Cursors This method allows you to take measurements by moving the cursors which always appear in pairs and reading their numeric values from the display readouts There are two types of cursors Amplitude and Time When you use cursors be sure to set the Source to the waveform on the display that you want to measure To use cursors push the CURSOR button Amplitude Cursors Amplitude cursors appear as horizontal lines on the display and measure the vertical parameters Amplitudes are referenced to the reference level For the Math FFT function these cursors measure magnitude Time Cursors Time cursors appear as vertical lines on the display and measure bot
172. waveform If necessary adjust your probe The P2220 voltage probe is shown Repeat as necessary 1 18 TPS2000 Series Digital Oscilloscope User Manual Getting Started Voltage Probe Attenuation Setting Voltage probes have various attenuation factors which affect the vertical scale of the signal The Probe Check Wizard verifies that the attenuation factor in the oscilloscope matches the probe As an alternative method to Probe Check you can manually select the factor that matches the attenuation of your probe For example to match a probe set to 10X connected to CH 1 you would access the CH 1 MENU gt Probe gt Voltage gt Attenuation option and select 10X NOTE The default setting for the Attenuation option is 10X If you change the Attenuation switch on the P2220 probe you also need to change the oscilloscope Attenuation option to match Switch settings are 1X and 10X Attenuation switch NOTE When the Attenuation switch is set to 1X the P2220 probe limits the bandwidth of the oscilloscope to 6 MHz To use the full bandwidth of the oscilloscope be sure to set the switch to 10X TPS2000 Series Digital Oscilloscope User Manual 1 19 Getting Started Current Probe Scaling Current probes provide a voltage signal proportional to the current You need to set the oscilloscope to match the scale of your current probe The default scale is 10 A V To set the scale follow these steps 1 Push a vertical
173. waveform The waveform display will contract or expand relative to the reference level For oscilloscope specific descriptions refer to page 2 8 in the Operating Basics chapter and page 9 52 in the Reference chapter Horizontal Scale and Position Pretrigger Information You can adjust the HORIZONTAL POSITION control to view waveform data before the trigger after the trigger or some of each When you change the horizontal position of a waveform you are actually changing the time between the trigger and the center of the display This appears to move the waveform to the right or left on the display 3 8 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions For example if you want to find the cause of a glitch in your test circuit you might trigger on the glitch and make the pretrigger period large enough to capture data before the glitch You can then analyze the pretrigger data and perhaps find the cause of the glitch You change the horizontal scale of all the waveforms by turning the SEC DIV knob For example you might want to see just one cycle of a waveform to measure the overshoot on its rising edge The oscilloscope shows the horizontal scale as time per division in the scale readout Since all active waveforms use the same time base the oscilloscope only displays one value for all the active channels except when you use Window Zone For information on how to use the window function ref
174. ys various acquisition mode options when you push the ACQUIRE Menu button To select an option push the corresponding button Page Selection Circular List Action Radio TRIGGER CH1 HELP Type Coupling Page EN Edge DC Up Sample or or ba Tu own TRIGGER CH1 IMMA PAK CPNT Type Coupling L Video AC Average or or TRIGGER CH1 Type Coupling Pulse Ground TPS2000 Series Digital Oscilloscope User Manual 2 7 Operating Basics Vertical Controls VERTICAL POSITION POSITION A Zs We NL VOLTS DIV VOLTS DIV All models POSITION CH 1 CH 2 CH 3 amp CH 4 Positions a waveform vertically CH 1 CH 2 CH 3 amp CH 4 MENU Displays the vertical menu selections and toggles the display of the channel waveform on and off VOLTS DIV CH 1 CH 2 CH 3 amp CH 4 Selects calibrated scale factors MATH MENU Displays waveform math operations menu and toggles the display of the math waveform on and off 2 8 TPS2000 Series Digital Oscilloscope User Manual Operating Basics Horizontal Controls E HORIZONTAL M lt POSITION gt y SEC DIV 2 channel model EH HORIZONTAL Mi SET TO ZERO J E lt POSITION gt SEC DIV 4 channel models POSITION Adjusts the horizontal position of all channel and math waveforms The resolution of this control varies with the time base setting For information on windows ref

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