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TPS2000 Series Digital Storage Oscilloscope User Manual

1. 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 indicates 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 push the SINGLE SEQ button again you can see that the contact bounces several times as it opens TPS2000 Series Digital Oscilloscope User Manual 63 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 CH1 CH2 Type Source 1 At 20 00ns 1 At 50 00MHz AV 0 28V Cursor 1 Cursor 2 70 0ns 0 08V 64 TPS2000 Series Digital Oscilloscope User Manual Application Examples To set up to measure propagation delay follow these steps Push the AUTOSET button to trigger a stable display Adjust the horizontal and vertical controls to optimize the display Push the CURSOR button to see the Cursor Menu Push Type gt
2. Save All Contains the option that configures the PRINT button to send data to a printer or to save data to the CF card Save Image Saves a screen image to a file in a specified format Save Setup Saves the current oscilloscope settings to a file in a specified folder or in nonvolatile setup memory Save Saves the specified waveform to a file or to reference Waveform memory Recall Setup Recalls an oscilloscope setup file from a CF card or from a location in nonvolatile setup memory Recall Recalls a waveform file from a CF card to a location in Waveform reference memory Display Refs Displays or removes reference memory waveforms from the screen Save All The Save All action configures the PRINT button to save data to a CF card or to send data to a printer TPS2000 Series Digital Oscilloscope User Manual 131 Reference Settings or Options submenus Comments PRINT Button Saves All to Files 1 See page 98 Saves Image to See page 99 File 1 Prints See page 85 Select Folder Lists the contents of the current CF card folder Change Folder See page 97 File Management New Folder Conventions See page 146 File Utilities Back Returns to the Save All menu About Save All Displays the help topic 1 An LED lights adjacent to the PRINT button to indicate the alternative SAVE function that sends data to a CF card Save Image The Save Image action saves a screen
3. 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 Use hardware flagging RTS CTS whenever possible Hardware flagging guarantees no data loss 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 response 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 cl
4. F P2220 probe set to A 2 10X DC Coupled 180 MHz from 40 C to 50 C 104 F to 122 F 20 MHz when vertical scale is set to lt 5 mV Analog Bandwidth 75 MHz 1 in Peak Detect mode 50 s div to 5 ms div 2 typical Selectable Analog Bandwidth Limit typical 20 MHz when vertical scale is set to lt 5 mV 20 MHz Lower Frequency Limit AC Coupled lt 10 Hz at BNC lt 1 Hz when using a 10X passive probe Rise Time at BNC typical TPS2012 and TPS2024 TPS2014 lt 3 5 ns lt 2 1Nns Peak Detect Response 2 Captures 50 or greater amplitude of pulses 212 ns wide typical 50 s div to 5 us div in the center 8 vertical divisions TPS2000 Series Digital Oscilloscope User Manual 153 Appendix A Specifications Table 3 Vertical Specifications cont Characteristics Description 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 Accuracy Average of 16 3 x reading 0 1 div 1 mV Average waveforms with when 10 mV div or greater is selected Acquisition Mode vertical position at zero Average of 2 16 3 x reading vertical position waveforms with 1 of vertical position 0 2 div vertical position not Add 2 mV for settings from 2 mV div at Zero to 200 mV div Add 50 mV for settings from gt 200 mV div to 5 V
5. Overvoltage Category Examples of Products in this Category Category CAT III Distribution level mains fixed installation CAT II Local level mains appliances portable CAT equipment Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in an environment where conductive polluntants may be present TPS2000 Series Digital Oscilloscope User Manual 163 Appendix A Specifications Safety UL61010B 1 2003 amp UL61010B 2 031 2003 CSA C22 2 No 1010 1 92 amp CAN CSA C22 2 No 1010 2 031 94 IEC61010 031 2001 EN61010 031 2001 Environmental characteristics Pollution Degree Pollution Degree 2 1 Do not operate in environments where conductive pollutants may be present Temperature 2 Operating 0 C to 50 C 32 F to 122 F Nonoperating 40 C to 71 C 40 F to 160 F Cooling Method Convection Humidity 2 40 C 104 F lt 90 relative humidity or below 41 C to 50 C lt 60 relative humidity 106 F to 122 F Altitude Operating 3 000 m 9 842 ft Nonoperating 15 000 m 49 212 ft 1 As defined in IEC 61010 1 2001 2 When a battery pack is installed refer to the Managing TPSBAT Battery Packs section for information on the charge discharge and storage temperatures and on the humidity See page 101 164 TPS2000 Series Digital Oscilloscope User Manual Appendix B Accessories All ac
6. 105 charging conditions 102 charging internally LED indicator 30 continuous charge 102 external charger 166 installation 7 internal charger 165 Li Ion 101 manage power 101 operating time 103 removal 8 replacement 109 self discharge 102 service 102 storage 102 108 temperature recommended operating 103 TPSBAT 6 165 Bezel buttons xv Binary data RS 232 transfer 93 BMP file format 87 184 TPS2000 Series Digital Oscilloscope User Manual BNC connectors 5 Break signals RS 232 protocol 93 Button names xv BW limit for vertical 149 C Calendar 146 Calibrate battery packs 106 check charge status 103 external charger 106 inside oscilloscope 107 length of time 106 Calibration 145 automatic routine 16 Centronics port 85 CF card 95 CH 1 CH 2 CH 3 or CH 4 connectors 29 MENU buttons 23 Channel coupling 148 menu 148 scale 19 Charge battery packs 104 charge time 104 check level 103 temperature 104 Charger battery external 166 Cleaning 171 Clock set date and time 146 Coarse resolution 149 Command abbreviating 94 Communications ports 85 Index CompactFlash card file management 97 File utilities 146 formatting 96 installation 95 PRINT button 98 saving files all 98 images 99 setups 98 waveforms 98 slot and LED locations 29 storage capacity 96 Compensation PROBE COMP connector 29 voltage probe check wizard 13 voltage probe manual
7. 2 As defined in IEC 60529 2001 3 When a battery pack is installed refer to the Managing TPSBAT Battery Packs section for information on the charge discharge and storage temperatures and on the humidity See page 101 TPS2000 Series Digital Oscilloscope User Manual 161 Appendix A Specifications P2220 Probe Specifications Table 10 P2220 Probe Electrical Specifications Characteristics Description 10X position 1X position Bandwidth DC to 200 MHz DC to 6 MHz Attenuation Ratio 10 1 2 1 1 2 Compensation Range 15 pF 25 pF Compensation is fixed correct for all oscilloscopes with 1 MQ input Input Resistance 10 M 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 2ns lt 50 0 ns Maximum Input Voltage 1 10X position 1X position Between Tip Signal and 300 Vays CAT II or 150 Veus CAT II or the Reference Lead 300 V DC CAT Il 150 V DC CAT II 150 Vrus CAT III or 100 Vems CAT III or 150 V DC CAT III 100 V DC CAT III 420 V peak lt 50 DF 210 V peak lt 50 DF lt 1 s PW lt 1 s PW 670 V peak lt 20 DF 330 V peak lt 20 DF lt 1 s PW lt 1 s PW 300 Vems 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
8. Power off the oscilloscope and the external device before you connect the cable between them NOTE This manual contains information on connecting external devices when making floating mesaurements See page 3 Taking Floating Measurements TPS2000 Series Digital Oscilloscope User Manual 89 Communications RS 232 and Centronics 90 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 gt RS232 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 Defaults factory defaults Baud 9600 Flow hardflagging EOL String LF Parity None Baud 300 600 1200 Sets the data transmission rate 2400 4800 9600 19200 Flow Hardflagging Sets data flow control Softflagging Control Softflagging Xon Xoff Hardflagging RTS CTS None Use hardware flagging when you transfer binary data EOL String CR LF CRILF Sets the end of line terminator sent by LFICR the oscilloscope the oscilloscope can receive any EOL string Parity None Even Adds an error check bit ninth bit to Odd each character NOTE When you set the Parity option to None the oscilloscope
9. Time Push Source gt CH1 Push the Cursor 1 option button Se Ae Se OS m Turn the multipurpose knob to place a cursor on the active edge of the chip select signal g 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 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 TPS2000 Series Digital Oscilloscope User Manual 65 Application Examples To set up a test for pulse width aberrations follow these steps 1 2 Sy ON ee x 10 66 Push the AUTOSET button to trigger a stable display 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 Push the TRIG MENU button to see the Trigger Menu Push Type gt Pulse Push Source gt CH1 Turn the TRIGGER LEVEL knob to set the trigger level near the bottom of the signal Push When P equals
10. Turn the multipurpose knob to set the pulse width to the value reported by the Pulse Width measurement in step 2 Push More gt Mode gt Normal You can achieve a stable display with the oscilloscope triggering on normal pulses Push the When option button to select lt or gt If there are any aberrant pulses that meet the specified When condition the oscilloscope triggers TPS2000 Series Digital Oscilloscope User Manual Application Examples NOTE The trigger frequency readout shows the frequency of events that the oscilloscope might consider to be a trigger and may be less than the frequency of the input signal in Pulse Width trigger mode 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 TPS2000 Series Digital Oscilloscope User Manual 67 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 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
11. the Official Journal of the European Communities Low Voltage Directive 2006 95 EC EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use U S Nationally Recognized Testing Laboratory Listing UL61010B 1 2003 First Edition Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Canadian Certification CAN CSA C22 2 No 1010 1 92 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use m CAN CSA C22 2 No 1010 1B 97 Amendment 2 to CAN CSA C22 2 No 1010 1 92 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Additional Compliances IEC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Equipment Type Test and measuring equipment Pollution Degree Description A measure of the contaminants that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms TPS2000 Series Digital Oscilloscope User Manual ix Compliance Information Pollution Degre
12. 100 mV division then you could calculate your peak to peak voltage as follows 5 divisions x 100 mV division 500 mV Cursor 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 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions 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 both 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 cur
13. 63 peak detect using 60 power analysis using Math 52 reducing noise 61 taking automatic measurements 46 taking cursor measurements 54 triggering on a specific pulse width 65 triggering on a video signal 67 triggering on video fields 68 triggering on video lines 70 using Autorange to examine test points 50 using persistence 74 using the window function 71 using XY mode 74 viewing a Math instantaneous power waveform 52 TPS2000 Series Digital Oscilloscope User Manual 183 Index viewing impedance changes in a network 72 Application key 29 Application power analysis 166 ASCII interface 94 Attenuation switch 15 Attenuation voltage probe 13 15 149 Auto trigger mode 138 Automatic measurements 129 basic concepts 41 AUTORANGE button 27 Autorange functions 32 overview 114 turning off 116 Autorange menu 114 Autoset functions 31 DC level 117 FFT 118 noise 118 overview 116 pulse signal 119 sine waves 118 square wave 119 Undo 118 video signal 119 when to use 118 Autoset menu 116 AUTOSET button 28 Average acquisition mode 35 113 Average mode icon 19 Average acquisition mode 111 Mean measurement 129 B Bandwidth limit trigger 138 vertical 149 Bandwidth limited readout 19 Battery packs calibration 106 check 103 care 102 charge 104 check level 103 external 105 internal 104 temperature 102 104 time 104 charger
14. Buttons TRIGGER LEVEL Knob Use to control the Trigger Level 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 TPS2000 Series Digital Oscilloscope User Manual 143 Reference TRIG VIEW Button Use the Trigger View mode to display the conditioned trigger signal on the oscilloscope You can use this mode to see the following types of information Effects of the Trigger Coupling option 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 Trigger 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 detect
15. 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 P Probe gt 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 probes It is not useful for 500X or 1000X probes or for probes connected to the EXT TRIG BNC NOTE When the process is complete the Probe Check Wizard restores the oscilloscope settings other than the Probe option to what they were before you pushed the PROBE CHECK button TPS2000 Series Digital Oscilloscope User Manual 13 Getting Started 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 PR
16. Digital Oscilloscope User Manual Reference Options Settings Comments Sync All Lines Line Select an appropriate video Number Odd Field sync Even Field All Fields Use the multipurpose knob to specify a line number when you select Line Number for the Sync option Standard NTSC PAL SECAM Select the video standard for sync and line number count 1 Available only on a 4 channel oscilloscope 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 normal or aberrant pulses Options Settings Comments Pulse With Pulse highlighted triggering occurs on pulses that meet the trigger condition defined by the Source When and Set Pulse Width options Source CH1 CH2 CH31 CH Select the input source as the 41 Ext Ext 5 Ext 10 trigger signal When lt gt Select how to compare the trigger pulse relative to the value selected in the Pulse Width option Pulse Width 33 ns to 10 0 sec Use the multipurpose knob to set a width Polarity Positive Negative Select to trigger on positive or negative pulses TPS2000 Series Digital Oscilloscope User Manual 141 Reference Options Settings Comments Mode Auto Normal Select the type of triggering Normal mode is best for most Pu
17. Format YT HORIZONTAL Window Main Trig Knob Level POSITION 0 00 s SEC DIV 500 us Window Zone 50 ps TPS2000 Series Digital Oscilloscope User Manual 173 Appendix D Default Setup Option button or Menu or system knob Default setting MATH Operation Sources CH1 CH2 Position 0 divs Vertical Scale 2V FFT operation Source CH1 Window Hanning FFT Zoom X1 MEASURE all Source CH1 Type None TRIGGER Type Edge common Source CH1 TRIGGER Edge Slope Rising Mode Auto Coupling DC LEVEL 0 00 V TRIGGER Video Polarity Normal Sync All Lines Standard NTSC TRIGGER Pulse When Set Pulse Width 1 00 ms Polarity Positive Mode Auto Coupling DC 174 TPS2000 Series Digital Oscilloscope User Manual Appendix D Default Setup Option button or Menu or system knob Default setting Vertical system all Coupling DC channels BW Limit Off Volts Div Coarse Probe Voltage Voltage Probe 10X Attenuation Current Probe 10 AV Scale Invert Off POSITION 0 00 divs 0 00 V VOLTS DIV 1 00 V The DEFAULT SETUP button does not reset the following settings E Language option Saved setups m Saved reference waveforms Front panel backlight Display contrast and brightness Calibration data Printer setup RS 232 setup Date and time Current folder on the CompactFlash card TPS2000 Series Digital Oscilloscope User Manual 175 Appen
18. IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W2 15AUG04 TPSBAT Battery Pack Warranty Tektronix warrants that the product 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 the 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 ar
19. Language English French German Italian Spanish Japanese Portuguese Simplified Chinese Traditional Chinese Korean Selects the display language of the oscilloscope 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 Vertical Lists vertical parameters of channels Trigger Lists trigger parameters Misc Lists the model of the oscilloscope the version number of the software and the serial number Lists the charge status of the battery packs Lists values of the communications parameters TPS2000 Series Digital Oscilloscope User Manual 145 Reference 146 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 information 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 Options Comments tT Moves the field selection highlight up or down through the list Use the multipurpose knob to change the value of the selected field Set Date and Updates the oscillos
20. Oscilloscope User Manual Application Examples Using an Isolated Channel to Analyze a Differential Communication Signal You are having intermittent problems with a serial data communication 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 Vaus Use A N the P5120 probe floatable to 600 Vrus CAT II or 300 Vrus CAT II or similarly rated passive high voltage probe not the ground referenced P5100 probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrs subject to the ratings of such high voltage probe To avoid electric shock when using probes with exposed metal parts do not connect the reference lead to voltages above 30 Vrs TPS2000 Series Digital Oscilloscope User Manual 51 Application Examples U fr CH 1 if Samposooooooooooo Doo NOs eS oSo coo ooo SooOooooo noooooooosoooooo oor seooooooo ao gonggo0000000000000000000000000 Ce C if To view the differential signal follow these steps 1 Connect the probe t
21. Probe Safety 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 connection 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 Q terminator or a BNC shorting plug to the input BNC connector when establishing a No Signal baseline condition Installation You can use the oscilloscope AC adapter to power the oscilloscope or to charge battery packs when installed To use the oscilloscope AC adapter as the power source follow these ste
22. Put an external filter on the source signal to bandwidth limit the source waveform to frequencies below that of the Nyquist frequency E Recognize and ignore the aliased frequencies Use zoom controls and the cursors to magnify and measure the FFT spectrum Magnifying and Positioning an FFT Spectrum 82 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 When you change the zoom factor the FFT spectrum is magnified about the center graticule line In other words the axis of horizontal 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 TPS2000 Series Digital Oscilloscope User Manual Math FFT 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
23. Voltage Probe Attenuation Setting cece scence eee 15 Current Probe Scaling cs ecissceevceeoe tancsavaeesenesegseaniaes 16 Self Calibrati oft 1c4ac vis cdeneias saditeavbadnotiegeds Er aa vies 16 Operating Basics siescsci odes iil ectdvantd Gres det wed acne wees 17 Display Area cc iccsc ccessciaceacasescesceteeuueieesiheeeciiea ices 18 Using the Menu System cccceeeeeeeeeeeeeeeeeeeees 21 Vertical Controls 052 eet escesanscepeerebishashe a e a ei 23 Horizontal Controls 0 2 0 0 teneerste 24 Trigger Conttols cessere cis ccs cies denied gee ste veeesaseseestenses 25 Menu and Control Buttons e cee eee eee e nee eneene eens 26 Input ConnectOfS s 2 ccss ceeds sen teecrasbsdeadeees EOE Ept 29 Other Front Panel Items ccccceeec cece rererere 29 Understanding Oscilloscope Functions 00 eeeeeee eee 31 Setting Up the Oscilloscope ccceeceee eect eee ee ene 31 Triggering 5 seek eG eed dete e E E weedeat alkanes 32 TPS2000 Series Digital Oscilloscope User Manual i Table of Contents Acquiring Signals a ee aE eE aE ET ents E OTAS 35 Scaling and Positioning Waveforms sscescecssrscrerrre 36 Taking Measurements ccc eceeee ence eee e eee ene e ene tues 40 Application Examples cceeeceee eter ene tne eee eneeeees 43 Taking Simple Measurements ceceeee ene eee ene 44 Using Autorange to Examine a Series of Test Po
24. 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 E The channel 1 VOLTS DIV and VERTICAL POSITION controls set the horizontal scale and position E The channel 2 VOLTS DIV and VERTICAL POSITION controls continue to set vertical scale and position 124 TPS2000 Series Digital Oscilloscope User Manual The E a Reference following functions do not work in XY display format Autoset resets display format to YT Autorange Automatic measurements Cursors Reference or Math waveforms SAVE RECALL Save All Time base controls Trigger controls Help Push the HELP button to display the Help menu The topics cover all the menu options and controls of the oscilloscope See page xiv Help System 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 When you change the horizontal scale the waveform will expand or contract around the screen center Options Comments Main The main horizontal time base setting is used to display the waveform Window Zone Two cursors define a window zone Adjust the Window Zone with the Horizontal Position and SEC DIV controls TPS2000 Series Digital Oscilloscope Use
25. charger Green flashing Fast charge is in progress Green solid Fully charged Yellow flashing Recalibration is in process Yellow flashing and Green solid Recalibration complete Yellow solid Standby mode Red flashing Error If the Red LED flashes follow these steps 1 Check that the charger is not overheating Ensure that the charger fan is running and that the airflow is not blocked If the charger continues to overheat replace the TPSCHG 2 Ifthe charger is not overheating the TPSBAT battery pack is defective You should replace the battery pack and dispose of the defective battery The Environmental Considerations section contains information on Disposal and Recycling See page x1 Environmental Considerations TPS2000 Series Digital Oscilloscope User Manual 105 Managing TPSBAT Battery Packs I Battery pack Y ee a ae Battery charger LED Calibrating Battery Packs 106 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 fully 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 to calibrate battery packs Appendix B includes information on optional accessories See Table 12 on page 166 For compl
26. for six months check the charge status and charge or dispose of the battery as appropriate The typical estimated life of a Lithium Ion battery is about two to three years or 300 charge cycles whichever occurs first One charge cycle is a period of use from fully charged to fully discharged and fully recharged again You should use a two to three year life expectancy for batteries that do not run through complete charge cycles A rechargeable Lithium Ion battery has a limited life and will gradually lose its capacity to hold a charge This loss of capacity aging is irreversible As the battery loses capacity the length of time it will power the product run time decreases A Lithium Ion battery continues to slowly discharge self discharge when not in use or while in storage You need to routinely check the charge status of the battery When you troubleshoot battery issues for dual battery configurations only one battery pack should be installed You need to test one battery pack and one battery slot at a time Use only TPSBAT battery packs in your TPS2000 series oscilloscope TPS2000 Series Digital Oscilloscope User Manual 101 Managing TPSBAT Battery Packs Maintaining Battery Packs Observe and note the run time that a new fully charged battery provides for powering your product You can use this new battery run time as a basis to compare run times for older batteries The run time of your battery will vary depending o
27. 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 TPS2000 Series Digital Oscilloscope User Manual 107 Managing TPSBAT Battery Packs Handling Battery Packs Do not disassemble crush or puncture a battery Do not short the external contacts on a battery Do not dispose of a battery in fire or water Do not expose a battery to temperatures above 60 C 140 F Keep the battery away from children Avoid exposing the battery to excessive shock or vibration Do not use a damaged battery If a battery pack has leaking fluids do not touch any fluids Dispose of a leaking battery pack The Environmental Considerations section contains information on Disposal and Recycling See page xi Environmental Considerations In case of eye contact with fluid do not rub eyes Immediately flush eyes thoroughly with water for at least 15 minutes lifting upper and lower lids until no evidence of the fluid remains Seek medical attention Storing and Transporting Battery Packs 108 Storage Store battery packs in a low humidity environment less than 80 relative humidity free of corrosive gases Storing battery packs in high humidity environments or outside the temperature range can cause oxidation on the metallic parts and increased leakage Charge
28. frequency and harmonics without aliasing Use zoom controls to magnify the spectrum Use cursors to measure the spectrum NOTE For viewing the harmonics of power systems the harmonics feature available with the optional TPS2PWRI Power Analysis application is optimized for power measurements 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 Push AUTOSET to display a YT waveform Turn the VERTICAL POSITION knob to move the YT waveform to the center vertically zero divisions TPS2000 Series Digital Oscilloscope User Manual 75 Math FFT This ensures that the FFT will show a true DC value 3 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 4 Turn the VOLTS DIV knob to ensure that the entire waveform remains on the screen The oscilloscope may display erroneous FFT results by adding high frequency components if the entire waveform is not visible 5 Turn the SEC DIV knob to provide the resolution you want in the FFT spectrum 6 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
29. 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 and connect the ground terminal to ground before you take any measurements Any probe or cable used to apply more than 30 VACgms 42 V peak to the oscilloscope BNC input connector must be third party certified for the voltage to be applied including rating the probe reference lead or cable shield to float to 600 Vrms CAT II This manual contains important information on isolated channels floating measurements and high voltages See page 3 Taking Floating Measurements 12 TPS2000 Series Digital Oscilloscope User Manual Getting Started WARNING Do not float the P2220 probe reference lead to gt 30 Vays Use A N the P5120 probe floatable to 600 Vrus CAT II or 300 Vrus CAT III or similarly rated passive high voltage probe not the ground referenced P5100 probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vays subject to the ratings of such high voltage probe To avoid electric shock when using probes with exposed metal parts do not connect the reference lead to voltages above 30 Vrus Voltage Probe Check Wizard You can use the Probe
30. high frequency waveform Apparent low frequency waveform due to aliasing Sample points 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 bandwidths sample at rates up to 1 GS s Models with 200 MHz bandwidths sample at rates up to TPS2000 Series Digital Oscilloscope User Manual 37 Understanding Oscilloscope Functions 2 GS s In both cases these maximum sample rates are at least ten times the bandwidth These high sample rates help reduce the possibility of aliasing There are several ways to check for aliasing Turn the SEC DIV knob to change the horizontal scale If the shape of the waveform changes drastically you may have aliasing Select the Peak Detect acquisition mode See page 35 Peak Detect 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 Ifthe trigger frequency is faster than the display information you may have aliasing or a waveform that crosses
31. image to a file in a specified format Options File Format Settings or submenus BMP PCX TIFF RLE EPSIMAGE JPEG Comments Sets the screen image graphics file format Select Folder Lists the contents of the current CF card folder and displays the folder options Change Folder See page 97 File Management New Folder Conventions See page 146 File Utilities Layout Portrait Landscape Select portrait or landscape image layout Ink Saver 1 On Off Activates or deactivates Ink Saver mode 132 TPS2000 Series Digital Oscilloscope User Manual Reference Settings or Options submenus Comments Save filename such as Saves the screen image to the TEKO000 TIF automatically generated file name in the current CF card folder About Saving Displays the help topic Images 1 See page 86 Printer Setup 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 See page 99 Saves Image to File 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 oscilloscope settings Settings or Options submenus Comments Save To Setup Saves the current oscilloscope settings to a location in the nonvolatile setup m
32. 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 TPS2000 Series Digital Oscilloscope User Manual Reference horizontal position control of waveforms during scan mode See page 113 Scan Mode Display Window Zone Use the Window Zone option to define a segment of a waveform to see in more detail zoom The Window time base setting cannot be set slower than the Main time base setting Vertical bars define Window Zone Main time base displayed Window zone displayed Window Expands the Window Zone to cover the entire screen Use to change between two time bases NOTE When you change between the Main Window Zone and Window views the oscilloscope erases any waveform saved on the screen through persistence Persistence is erased with Horizontal menu changes Set Trigger Holdoff Use holdoff to help stabilize the display of complex waveforms See page 144 Trigger Holdoff Math Push the MATH MENU button to display waveform math operations Push the MATH MENU button again to remove math waveforms See page 148 Vertical Controls Options Comments x FFT Math operations see the next table Sources Sources used for the operations see the n
33. 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 TPS2000 Series Digital Oscilloscope User Manual 123 Reference Option Comments 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 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 axis 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
34. measurement range Adjust the VOLTS DIV knob of the appropriate channel to decrease the sensitivity or change the SEC DIV setting To measure signal frequency period and peak to peak amplitude rise time and positive width follow these steps 1 2 3 46 Push the MEASURE button to see the Measure Menu Push the top option button the Measure 1 Menu appears Push Type gt Freq The Value readout displays the measurement and updates Push the Back option button Push the second option button from the top the Measure 2 Menu appears Push Type gt Period The Value readout displays the measurement and updates Push the Back option button Push the middle option button the Measure 3 Menu appears TPS2000 Series Digital Oscilloscope User Manual Application Examples 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 displays the measurement and updates 13 Push the Back option button 14 Push the bottom option button the Measure 5 Menu appears 15 Push Type gt Pos Width The Value readout displays the measurement and updates 16 Push the Back option button CH1 Freq 1 000kHz CH1 Period 000ms CH1 Pk Pk 5 04V CH1 Rise Time 2 611 Us CH1 Pos Width 500 0us
35. on and off TPS2000 Series Digital Oscilloscope User Manual 23 Operating Basics Horizontal Controls 24 EE HORIZONTAL EE EE HORIZONTAL E POSITION gt SEC DIV SEC DIV O NG Ny ae 2 channel model 4 channel model POSITION Adjusts the horizontal position of all channel and math waveforms The resolution of this control varies with the time base setting See page 127 Window Zone 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 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 See page 127 Window Zone TPS2000 Series Digital Oscilloscope User Manual Operating Basics Trigger Controls 4 channel model E TRIGGER E TRIGGER LEVEL Sa E94 TE ER jor E E3 ey E 2 channel model LEVEL When you use an Edge or Pulse trigger the TRIGGER LEVEL knob sets the amplitude level that 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 rega
36. or discharge the battery to approximately 50 of capacity before storage Charge the battery to approximately 50 of capacity at least once every six months Remove the battery and store it separately from the oscilloscope Store the battery at temperatures between 5 C and 20 C 41 F and 68 F TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs NOTE The battery self discharges during storage Higher temperatures above 20 C or 68 F reduce the battery storage life Transportation Information The Environmental Considerations section contains information on Transporting Batteries See page xii Transporting Batteries Replacing Battery Packs Use the instructions to remove and replace the battery packs See page 6 Battery Packs NOTE Replace the Li Ion battery packs only with TPSBAT battery packs The Environmental Considerations section contains information on how to properly dispose of a Li Ion battery pack See page xi Environmental Considerations To achieve optimum performance from a new battery pack fully charge the battery pack See page 104 Charging TPSBAT Battery Packs TPS2000 Series Digital Oscilloscope User Manual 109 Managing TPSBAT Battery Packs 110 TPS2000 Series Digital Oscilloscope User Manual Reference This chapter describes the menus and operating details associated with each front panel menu button or control Acquire Pus
37. 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 SUCH DAMAGE 178 TPS2000 Series Digital Oscilloscope User Manual Appendix F TPS2000 Compatible Probe Maximum Voltages Passive Probes P2220 P5120 Attenuation Gain 1X 10X 20X Setting Maximum Input 150 Vems CAT II 300 Vans CAT II 1 000 Ves CAT II Voltage between or 150 V DC CAT or 300 V DC CAT or 1 000 V DC CAT Tip Signal and Il Il Il the Reference Lead Maximum Input Maximum Input 150 Vams CAT Il 300 Vrus CAT II 1 000 Vems CAT II Voltage 1 between or 150 V DC CAT or 300 V DC CAT or 1 000 V DC CAT Tip Signal and ll II II Earth Ground Maximum Voltage 30 Vrms 42 4 V 30 Vrus 42 4 V 600 Vrus CAT II or between the peak pea
38. 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 0 dB equals 1 Vrms 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 Math 3 Push the Type option button to select Magnitude or Freq 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 Delta is the absolute value of cursor 1 minus cursor 2 Magnitude cursors Frequency cursors TPS2000 Series Digital Oscilloscope User Manual 83 Math FFT 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 84 TPS2000 Series Digital Oscilloscope User Manual Commun
39. 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 68 TPS2000 Series Digital Oscilloscope User Manual Application Examples 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 gt AC Push the TRIG MENU button to see the Trigger Menu Push the top option button and select Video Push Source gt CH1 ee ppRp Push the Syne option button and select All Fields Odd Field or Even Field Push Standard gt NTSC 8 Turn the horizontal SEC DIV knob to see a complete field across the screen 9 Turn the vertical VOLTS DIV knob to ensure that the entire video signal is visible on the screen TPS2000 Series Digital Oscilloscope User Manual 69 Application Examples 70 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 1 Push the AUTOSET button 2 Push the top option button to select Line to s
40. the ASCII control characters 00 through 09 and OB through 20 hexadecimal 0 through 9 and 11 through 32 decimal The oscilloscope ignores commands that consist of just a combination of white space characters and line feeds Refer to the TDS200 TDS1000 2000 TDS1000B 2000B and TPS2000 Series Digital Oscilloscopes Programmer Manual 071 1075 XX for more information 94 TPS2000 Series Digital Oscilloscope User Manual 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 PROBE CHECK 5 a PROBE COMP PE 1 GomPastFlasi BATIESY SV TkHe IL CHARGING S T R e n 20 lE CompactFlash Ejectbutton LED lights when active card slot To install a CF card follow these steps 1 Align the card with the card slot on the oscilloscope Typel 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 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 T
41. the SEC DIV setting of 5 us div or slower Peak Detect acquisition intervals 1250 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 TPS2000 Series Digital Oscilloscope User Manual Reference 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 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 waveform 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
42. 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 If the 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 setting aliasing is not likely to occur due to the bandwidth limitations of the oscilloscope input amplifiers 38 TPS2000 Series Digital Oscilloscope User Manual Settings to avoid aliasing in Sample mode Understanding Oscilloscope Functions Time base Samples per second Maximum 2 5 ns 2 GS s 200 0 MHzt 5 0 to 250 0 ns 1 GS s or 2 GS s 200 0 MHzt 500 0 ns 500 0 MS s 200 0 MHzt 1 0 us 250 0 MS s 125 0 MHzt 2 5 US 100 0 MS s 50 0 MHzt 5 0 us 50 0 MS s 25 0 MHz
43. trigger it completes the acquisition and stops Acquisition mode SINGLE SEQ button Sample Peak Detect Sequence is complete when one acquisition is acquired Average Sequence is complete when the defined number of acquisitions is reached See page 111 Acquire 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 TPS2000 Series Digital Oscilloscope User Manual 113 Reference 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 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 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 applicati
44. 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 TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics 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 See page 89 Selecting an RS 232 Cable 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 Power on the oscilloscope Push the UTILITY button to see the Utility Menu Push Options gt RS232 Setup OS i Check that the menu settings match those listed in the preceding table 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 NOT
45. with channel 1 channel 2 and Ext Trig and with channel 3 and channel 4 on four channel models CH1 de Nc Oscilloscope chassis AC adaptor aie CH2 C NC CH3 Centronics Printer PROBE l aR COMP a PC a EXT TRIG Po Oyal l o 3 MQ impedance Connected to earth ground by building wiring NC means not connected typical of a North American building The oscilloscope inputs float even when the oscilloscope is connected to a grounded power supply a grounded printer or a grounded computer Most other oscilloscopes 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 TPS2000 Series Digital Oscilloscope User Manual 3 Getting Started A Probe Connection WARNING To prevent electrical shock do not exceed the measurement 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 exc
46. 100 MHz 1 0 GS s TPS2024 4 200 MHz 2 0 GS s Battery powered or line powered Two rechargeable battery packs second battery pack optional E Independently isolated channels with no shared common ground TPS2PWRI Power Analysis application optional Support for compatible voltage probes and current probes TPS2000 Series Digital Oscilloscope User Manual Getting Started Context sensitive help system Color LCD display Selectable 20 MHz bandwidth limit 2500 point record length for each channel Autoset Autoranging for quick set up and hands free operation m Probe Check Wizard Cursors with readouts E Trigger frequency readout Eleven automatic measurements Waveform averaging and peak detection Dual time base Math functions and x operations Math Fast Fourier Transform FFT m Pulse Width trigger capability Video trigger capability with line selectable triggering m External trigger Setup and waveform storage E Removable mass storage E Variable persistence display E RS 232 and Centronics ports OpenChoice PC Communications software User interface and help topics in ten languages 2 TPS2000 Series Digital Oscilloscope User Manual 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
47. 14 Connectors BNC 5 Centronics port 85 CH 1 CH 2 CH 3 and CH 4 29 DC input 6 EXT TRIG 29 PROBE COMP 29 probe 4 RS 232 port 85 Context sensitive help topics xiv Continuously charge battery packs 102 Contrast 122 Conventions used in this manual xv Coupling trigger 34 139 vertical 148 150 CSV file format 134 Current folder 97 146 Current probes scale setting 16 149 CURSOR button 28 120 Cursor menu 120 TPS2000 Series Digital Oscilloscope User Manual 185 Index Cursors adjusting 120 Amplitude 41 120 basic concepts 40 Frequency for FFT 120 Magnitude for FFT 120 measurement examples 54 measuring an FFT spectrum 83 Time 41 120 using 120 Cycle RMS measurements 130 D Data transfer RS 232 interface 88 Date and time readout 20 Date 146 DC coupling trigger 138 vertical 148 DEFAULT SETUP button option and control settings 173 retained option settings 175 Default setup Edge trigger 174 Pulse trigger 174 recalling 136 Video trigger 174 Delayed sweep 126 Deleting files or folders 143 Deleting files or folders 147 reference waveforms 136 Delta readouts in Cursor menu 121 Description general 1 Diagonal lines in waveform peak detect 113 Directories deleting 143 147 DISPLAY button 28 121 Display Refs menu 136 Display contrast 121 intensity 121 menu 121 persistence 122 readouts 18 style Invert 149 style of waveforms 122 type vect
48. 166 Power cords 8 ordering 168 Power Cycle count 145 Power manage battery packs 101 oscilloscope AC adapter 5 specifications 160 Pretrigger view 140 Pretrigger 33 PRINT Button option 132 saving to a CF card 98 PRINT button 28 130 Printer RS 232 interface 88 setup 86 Printing abort 87 screen data 88 130 testing the port 88 PROBE CHECK button 13 Probe Check Wizard voltage probes 13 PROBE COMP connections 30 190 TPS2000 Series Digital Oscilloscope User Manual Probe manuals ordering P2220 1X 10X passive 168 P5120 20X hi voltage 168 Probe option match current probe scale 16 match voltage probe attenuation 15 Probes Attenuation switch 15 compensation 30 current and scale 16 optional accessories 166 P2220 standard 10 reference lead isolated channel connections 5 safety 12 specifications 162 voltage and attenuation 149 voltage probe check wizard 13 voltage probe manual compensation 14 voltage ratings 4 Programmer manual ordering 169 Pulse signal Autoset function 119 Pulse width measurements using cursors 56 Pulse Width triggering 141 R Readouts FFT Math 78 general 18 Recall Setup menu 134 Recall Waveform menu 135 Recall factory setup default 32 setups 32 136 waveforms 136 Index Rectangular window 80 Reference lead isolated channel connections 5 Reference waveforms readout 20 removing 136 saving and recalling 136 Reference lead f
49. 9 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 Serra Ae w 14 Push the CH 1 MENU button Push Probe 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 gt Freq Push the Back option button Push the second option button from the top the Measure 2 Menu appears Push Source gt CH1 11 12 13 Push Type gt Cyc RMS Push the Back option button 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 Repeat step 13 for each test point until you find the malfunctioning 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 50 TPS2000 Series Digital
50. 90 to 264 VACams 45 to 66 Hz Optional power cords are available See Table 12 on page 166 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 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 8 TPS2000 Series Digital Oscilloscope User Manual Getting Started Wir 7 Nylon strap Hanger clip SS Ae Feet A G E nap in place 3 Repeat steps 1 and 2 for the other clip 4 4 Adjust the length of the nylon strap A short strap helps to keep the oscilloscope stationary while suspended 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 TPS2000 Series Digital Oscilloscope User Manual 9 Getting Started Security Lock Use a standard laptop computer security cable to secure your oscilloscope to your location C_ 2 Security lock hole 8 Probes TPS2000 series oscilloscopes ship with P2220 passive voltage probes See page 12 Probe Safety See page 151
51. E This manual contains brief information about command entry See page 94 Command Entry For complete command information refer to the TDS200 TDS1000 2000 TDS1000B 2000B and TPS2000 Series Digital Oscilloscopes Programmer Manual TPS2000 Series Digital Oscilloscope User Manual 91 Communications RS 232 and Centronics RS 232 Troubleshooting If the oscilloscope and the external device computer or printer have trouble communicating follow these steps 1 92 Check that you are using the correct RS 232 cable Determine whether your external device requires a null modem or a straight through connection See page 89 Selecting an RS 232 Cable Check that the RS 232 cable is firmly connected to both the oscilloscope and the correct port on the external device 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 Check that the oscilloscope RS 232 settings match the settings used by the external device a Determine the RS 232 settings for the external device b Push the UTILITY button to see the Utility Menu c Push gt Options gt RS232 Setup d Set the oscilloscope to match the settings of the external device e Try the free Open Choice Desktop software again f Try your terminal emulator program or printer again Try setting both the oscilloscope and the external device to a slower baud rate
52. E 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 BAEKMUK BATANG is a registered trademark of Hwan Design Inc BAEKMUK GULIM is a registered trademark of Hwan Design Inc TPS2000 Series Digital Oscilloscope User Manual 177 Appendix E Font Licenses BAEKMUK DOTUM is a registered trademark of Hwan Design Inc BAEKMUK HEADLINE is a registered trademark of Hwan Design 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 Redistribution of source code must retain the above copyright notice this list of conditions and the following disclaimer 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 Neither the name of the team nor the names of its contributors may be used to endorse or
53. F TIF Tagged Image File Format RLE RLE Run length encoding this format uses a lossless compression algorithm EPSIMAGE EPS 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 TPS2000 Series Digital Oscilloscope User Manual 87 Communications RS 232 and Centronics Testing the Printer Port To test the printer port follow these steps 1 Ifyou have already connected the oscilloscope to a printer go to step 4 Power off the oscilloscope and the printer Connect the oscilloscope to the printer using the appropriate cable Power on the oscilloscope and the printer ee E a If you have not done so already define an appropriate printer setup See page 86 Printer Setup 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 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 Interfac
54. ICULAR 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 W14 15AUG04 Table of Contents General Safety Summary c cee eeeeee eee eneeeee eee teen ene iv Compliance Information ce ccc ee eee eeeee eens eeeeeeenees vii EMG Compliance vs i 3 occese ausietie sation hoes ESS vil Safety Compliance e cece cece cece cnet eenaeeeneeenas ix Environmental Considerations scceeeeeee rererere xi Preface iussus eiia eiia AEE R E e E xiii Help Syste np eener nni enra EENE EEEE ses xiv Conventio NS neraet keet xV Getting Started erreser neinar pennen EE E ENE nes TEE 1 General Features ssis ctieseaes eer E EE E RER agen 1 Taking Floating Measurements secceee eee eeee eee ees 3 Installation 2 2 0 0 ccc cece eee ce cece cence cence eeeeeeeeaeeneeeenaes 5 PODES ccna necuun epeaantecien EE san uired E 10 Functional Check cecceeeeece este eneeeeetneeeneeneeenes 11 Probe Safety sereo engrnen dronn nena see iE wend GR EEES 12 Voltage Probe Check Wizard ccccceeee ee rere 13 Manual Probe Compensation 0 cceeeeeeeeeeeeeees 14
55. IRE Displays the Acquire Menu 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 visible unless the Type option is set to Off after you leave 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 function to the removable mass storage SAVE An LED indicates when the PRINT button is configured to save data to the CompactFlash card 28 TPS2000 Series Digital Oscilloscope User Manual Operating Basics Input Connectors CH1 CH2 ie SEE BACK PANEL FOR RATINGS EXT TRIG 2 channel model EXT TRIG SEE BACK PANEL FOR RATINGS 4 channel model CH 1 CH 2 CH3 amp CH4 Input connectors for waveform display EXT TRIG Input connector for an external trigger source Use the Trigger Menu to select the Ext or Ext 5 trigger source Push and hold the TRIG VIEW button to see how the trigger settings affect the trigger signal such as t
56. IV knob to display the rising edge of the waveform Turn the VOLTS DIV and VERTICAL POSITION knobs to set the waveform amplitude to about five divisions Push the CH 1 MENU button Push Volts Div gt 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 CH1 Push the Cursor 1 option button 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 Push the Cursor 2 option button 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 58 TPS2000 Series Digital Oscilloscope User Manual Application Examples 5 divisions T i Source CH1 E At 140 0ns F 11At 7 143MHz t AV 2 08V E Cursor 1 a 80 0ns E 1 02V E Cursor 2 60 0ns a gt 1 06V NOTE The Rise Time measurement is available as an automatic measurement in the Measure Menu See page 129 Taking Measurements NOTE The Rise Time meas
57. OBE 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 Probe Compensation As an alternative method to the Probe Check Wizard you can manually perform this adjustment to match your 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 PROBE AUTOSET COMP button Push the CH 1 MENU gt Probe gt Voltage gt Attenuation option and select 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 14 TPS2000 Series Digital Oscilloscope User Manual Getting Started FLL 3 Check the shape of the displayed waveform Overcompensated SJUUL Undercompensated a ei Compensated correctly 4 If necessary adjust your probe The P2220 probe is shown Repeat as necessary Voltage Probe Attenuation Setting Voltage probes are available with various attenuation factors which affect the vertical scale
58. OP 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 TPS2000 Series Digital Oscilloscope User Manual 115 Reference The following changes to the setup of the oscilloscope deactivate autorange VOLTS DIV deactivates vertical autoranging SEC DIV deactivates horizontal autoranging Display or remove a channel waveform E Trigger settings E Single Seq acquisition mode Recall a setup m 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 if 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 can 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 horizonta
59. OTE Refer to Displaying the FFT Spectrum for details on displaying the FFT function See page 77 Displaying the FFT Spectrum 1 2 3 4 Tek vol ben Tria d M Pos 130 0 us 20MHz wae Voltage Invert 1 a 6 Off rele dined Ais Tuta M 1000s W 100ms CHI 0 00 rund 15 Curdnt pee to Setup 5 ey eel 16 11 12 13 14 18 TPS2000 Series Digital Oscilloscope User Manual Operating Basics 1 Icon display shows acquisition mode Sample mode Peak detect mode ad Average mode 2 Trigger status indicates the following C Armed The oscilloscope is 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 Siop 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 L Scan The oscilloscope is acquiring and displaying waveform data continuously in scan mode 3 Marker shows horizontal trigger position Turn the HORIZONTAL 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 6 On screen markers
60. 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 Connect the probe reference lead to the circuit under test before connecting the probe input 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 Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Power Disconnect The power cord disconnects the product from the power source Do not block the power cord it must remain accessible to the user at all times Do Not Operate Without Covers Do not operate this product with covers or panels removed Do Not Operate With Suspected Failures If you suspect that there is damage to this product have it inspected by qualified service personnel Avoid Exposed Circuitry Do not touch exposed connections and components when power is present TPS2000 Series Digital Oscilloscope User Manual General Safety Summary Replace Batteries Properly Replace batteries only with the specified
61. Save Recall iis 2S Aa Ma es Bo ihe oo 131 Trigger Controls 0 c ccc ce eee ce nee eeeeeeeeeeneeeeaees 137 E a Reet ee en rR aan ee ea oe SRE ae 144 Vertical Controls 0a esses ciel lee bo eg rE sda REE EER 148 Appendix A Specifications cc cece eceeeeeee ences enee ees 151 Oscilloscope Specifications 0 cceeceeeee ences eeeeees 151 P2220 Probe Specifications 0 cceeceeeeeeeeeeeeeeees 162 Appendix B Accessories cecceeeeee ence eect teense enaeees 165 Appendix C Cleaning cc cece eee ce ence e nett eneeeenaeees 171 General Care 2 cele ceo AT cei cia a ek 171 Cle amin g oi cece des ee es kde ee Laos E T E E bes Lenawee bench 171 Appendix D Default Setup ccc ccc cece ence ents enee ees 173 Appendix E Font Licenses ccccceeeeceeeeeeeeneeeeeeees 177 Appendix F TPS2000 Compatible Probe Maximum Voltages 179 Index TPS2000 Series Digital Oscilloscope User Manual iii General Safety Summary General Safety Summary iv Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures 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
62. Specifications 10 TPS2000 Series Digital Oscilloscope User Manual Getting Started 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 PASSED oog O oO Qp Power on the oscilloscope Push the DEFAULT SETUP button The default Probe option attenuation setting is 10X ON STANDBY DEFAULT button SETUP button PROBE COMP 0000 a 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 oa Push the AUTOSET button Within a few seconds you should see a square wave in the display of about 5V peak to peak at 1 kHz Push the CH1 MENU button on the front panel twice to remove channel 1 push the CH 2 MENU button to display channel 2 and repeat steps 2 and 3 For 4 channel models repeat for CH 3 and CH 4 TPS2000 Series Digital Oscilloscope User Manual 11 Getting Started Probe Safety Check and observe probe ratings before using probes A guard around the P2220 probe body provides a finger barrier for protection
63. TPS2000 Series Digital Storage Oscilloscope User Manual TORNUA ULUAI OA A Tektronix 071 1441 04 7 TPS2000 Series Digital Storage Oscilloscope User Manual www tektronix com Tektronix S 071 1441 04 Copyright Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc OpenChoice and Wavestar are registered trademarks of Tektronix Inc Tektronix is an authorized licensee of the CompactFlash trademark Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area TPS2000 Series Oscilloscope Warranty Tektronix warrants that the product 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 the product proves defective during this warranty period Tektronix at its option either w
64. TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs Discharging Temperature The battery packs are rated to discharge between 10 C and 50 C 14 F and 122 F with less than 80 relative humidity Discharging outside of this range can cause damage Battery discharge capacity drops significantly at temperatures below 0 C 32 F and above 40 C 104 F Cold temperatures adversely affect the normal electrochemical reactions within a battery pack reducing the available capacity Although Li Ion battery packs can discharge down to 10 C 14 F without damage the available capacity is significantly reduced below 0 C 32 F You can minimize this loss by keeping the battery packs above 0 C 32 F prior to and during use Checking the Charge and Calibration Status The UTILITY gt System Status gt 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 adapter 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 Calibration refers to the ability of a battery pack to report its current capacity which the oscilloscope uses to calculate how much longer it c
65. TPS2000 Series Digital Oscilloscope User Manual 47 Application Examples Measuring Two Signals If you are testing a piece of equipment and need to measure the gain of the audio amplifier you 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 I CH1 CH2 CH1 Pk Pk 2 04V CH2 Pk Pk 206mV CH1 None CH1 None CH1 None 48 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 Push the AUTOSET button 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 gt Pk Pk Push the Back option button Pa AA a Ta LD Push the second option button from the top the Measure 2 Menu appears Push Source gt CH2 a 9 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 VoltageGain output amplitude input amplitude VoltageGain dB 20 x logjo VoltageGain TPS2000 Series Digital Oscilloscope User Manual 4
66. Voltage Probe Instructions The J P5120 probe manual 071 1463 XX English provides a information on the probe and probe accessories 168 TPS2000 Series Digital Oscilloscope User Manual Appendix B Accessories Table 13 Optional Power Cords and Documentation cont TPS2PWR1 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 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 TDS200 TDS1000 2000 TDS1000B 2000B and TPS2000 Series Digital Oscilloscope Programmer Manual The programmer manual 071 1075 XX English provides command and syntax information TPS2000 Series Digital Storage Oscilloscope Service Manual The service manual 077 0306 XX English provides module level repair information It is available from the www tektronix com manuals Web site TPS2000 Series Digital Oscilloscope User Manual 169 Appendix B Accessories 170 TPS2000 Series Digital Oscilloscope User Manual 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 CAUTION To avoid damage to the oscilloscope or probes do
67. ale until the VOLTS DIV control is adjusted Remove Waveform To remove a waveform from the display push a channel menu front panel button For example push the CH 1 MENU button to display or remove the channel 1 waveform NOTE You do not have to display a channel waveform to use it as a trigger source or for math operations NOTE 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 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications 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 E 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 The oscilloscope must be within the factory calibration interval All specifications are guaranteed unless noted typical Oscilloscope Specifications Table 1 Acquisition Specifications Characteristics Description Acquisition Modes Sample Peak Detect and Average Acquisition Rate Up to 180 waveforms per second per channel Sample typical acquisition m
68. allows you to control the oscilloscope from a PC 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 _ P5120 Passive Hi Voltage Probe The probe is 200 MHz 20X E Cc gt 1000 Vrus and 3 meters 3 2 yards long a Ee QQ A621 AC Only Current Probe The probe is 5 Hz to 50 kHz with 1 1 10 100 mV A settings and 2000 APK G A622 AC DC Current Probe The probe is DC to 100 kHz with a 10 100 mV A settings and 100 APK 166 TPS2000 Series Digital Oscilloscope User Manual Appendix B Accessories Table 12 Optional Accessories cont TCP303 AC DC Current Probe requires TCPA300 Amplifier 3 The probe is DC to 15 MHz with 5 50 mV A settings 150 Arus 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 Soft Case The soft case AC2100 protects the oscilloscope from damage and provides space for probes batteries battery charger power cord and manuals Transit Case The transit case HCTEK4321 provides shock vibration impact and moisture
69. an operate under the current conditions 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 See page 106 Calibrating Battery Packs TPS2000 Series Digital Oscilloscope User Manual 103 Managing TPSBAT Battery Packs Charging TPSBAT 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 With the oscilloscope power ON 7 hours the AC adapter With the oscilloscope power on STANDBY 4 5 hours External TPSCHG 3 hours A 104 WARNING Do not attempt to charge a battery pack below 0 C 32 F or above 40 C 104 F Charging a battery 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 adapter 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 full
70. apter Power Less than 30 W Consumption Environmental Enclosure Rating IP 30 2 except when the CompactFlash card and optional Application key are installed the rating becomes IP 40 2 Temperature 3 Operating 0 C to 50 C 32 F to 122 F Nonoperating 40 C to 71 C 40 F to 160 F Cooling Method Forced air temperature controlled Humidity 3 Operating High 50 C 122 F 60 RH Low 30 C 86 F 90 RH Nonoperating 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 3 000 m 9 842 ft 160 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 9 Oscilloscope General Specifications cont Characteristic Description Random Vibration Operating 0 31 grus from 5 Hz to 500 Hz with one battery 10 minutes on each axis pack Nonoperating 2 46 grus from 5 Hz to 500 Hz 10 minutes on each axis Mechanical Shock Operating 50 g 11 ms half sine with one battery pack Mechanical Size without front Height 160 0 mm 6 33 in protection cover Width 336 3 mm 13 24 in Depth 129 5 mm 5 10 in Weight Instrument only 2 7 kg 6 0 Ibs approximate With 1 battery 3 2 kg 7 0 Ibs With 2 batteries 3 7 kg 8 0 Ibs Adjustment Factory Calibration Interval The recommended calibration interval is one year 1 Adjustable through the Display menu
71. 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 Key Points Taking Measurements You can display up to five automatic measurements at a time 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 Definition Freq Calculates the frequency of the waveform by measuring the first cycle Period Calculates the time of the first cycle Mean Calculates the arithmetic mean amplitude over the entire record TPS2000 Series Digital Oscilloscope User Manual 129 Reference Measurement type Definition Pk Pk Calculates the absolute difference between the maximum and minimum peaks of the entire waveform Cyc RMS Calculates a true RMS measurement of the first complete cycle of the waveform Min Examines the entire 2500 point waveform record and displays the minimum value Max Examines the entire 2500 point waveform record and displays the maximum value Rise Time Measures the time between 10 and 90 o
72. ation in which to save the source waveform Select Folder Lists the contents of the current CF card folder Change Folder See page 97 File Management New Folder Conventions See page 146 File Utilities Save filename such as Saves the settings to the TEK0000 CSV automatically generated file name in the current CF card folder 1 Waveform must be displayed to save it as a reference waveform Recall Setup The Recall Setup action recalls an oscilloscope setup file from a CF card or from a location in nonvolatile setup memory TPS2000 Series Digital Oscilloscope User Manual Options Settings or submenus Reference 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 Select File Lists the contents of the current CF card folder to select a file from Change Folder See page 97 File Management Conventions See page 146 File Utilities Recall Recalls the settings from the specified nonvolatile memory location filename such as TEK0000 SET Recalls the oscilloscope settings from the specified CF card file Recall Waveform The Recall Waveform action recalls a waveform file from a CF card to a location in reference memory Settings or Options submenus Comments To Ref x Specifies t
73. bes is different Attenuation or Scale Probe options Settings Comments Voltage Attenuation 1X 10X 20X 50X Set to match the 100X 500X 1000X attenuation factor of the voltage probe to ensure correct vertical readouts Current gt Scale 5 VIA 1 V A Set to match the scale 200 mV A 100 mV A of the current probe to 50 mV A 20 mV A ensure correct vertical 10 mV A 1 mV A readouts 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 TPS2000 Series Digital Oscilloscope User Manual 149 Reference 150 waveforms When you turn a VOLTS DIV knob the oscilloscope increases or decreases the vertical size of the waveform on the screen Vertical Measurement Overrange Clipping Waveforms that extend beyond the screen overrange and display a in the measurement readout indicates an invalid value Adjust the vertical scaling to ensure the readout is valid Key Points Ground Coupling Use Ground 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 sc
74. card Prints See page 86 Printer Setup 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 P 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 Source File name CH x FnnnnCHx CSV where nnnn is an automatically generated number and x is the channel number MATH FnnnnMTH CSV Ref x FnnnnRFx CSvV where x is the reference memory letter TPS2000 Series Digital Oscilloscope User Manual Removable Mass Storage Source File name Screen FnnnnTEK where is the current Saves Image to Image File format Settings FnnnnTEK SET File type Contents and uses CSV Contains 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 Screen Import files into spreadsheet and word pr
75. cent sample points in the display Dots display only the sample points Persist OFF 1 sec Sets the length of time each 2 sec 5 sec displayed sample point remains Infinite displayed Format YT XY YT format displays the vertical voltage in 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 1 Makes it easier to distinguish a Brightness 1 channel waveform from persistence Contrast controls the contrast of the Liquid Crystal Display and Brightness controls the intensity of the display backlight 1 Use the multipurpose knob to adjust Depending on the type waveforms will be displayed in three different styles solid dimmed and broken 122 TPS2000 Series Digital Oscilloscope User Manual Reference 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 acquisitions 2 Reference waveforms appear white and waveforms with persistence applied appear in the same color as the Main waveform but with less intensity 3 lt A broken line indicates the waveform display no
76. center of the display This appears to move the waveform to the right or left on the display 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 Refer to Window Zone for information on how to use the window function See page 127 Window Zone For oscilloscope specific descriptions refer to the Operating Basics chapter See page 24 POSITION Refer also to the Reference chapter See page 125 Horizontal 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
77. cessories standard and optional are available by contacting your local Tektronix field office Table 11 Standard Accessories P P2220 1X 10X Passive Voltage Probe The P2220 probes have a 6 MHz bandwidth with a rating of 150 Vrus CAT II when the switch is in the 1X position and a 200 MHz bandwidth with a rating of 300 Vays CAT II when the switch is in 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 6 Battery Packs Oscilloscope AC Adapter with Cord Refer to Optional Accessories for a list of available international power cords AC adapters are not rated for temperatures below 0 C 32 F or intended for outdoor use See Table 12 PC Communications CD ROM The PC Communications software provides easy transfer of data from the oscilloscope to a PC TPS2000 Series Digital Oscilloscope User Manual 165 Appendix B Accessories Table 12 Optional Accessories TPS2PWR1 Application The TPS2PWR1 Power Analysis Application extends power measurement capabilities WST RO CD ROM The WST RO WaveStar Software for Oscilloscopes
78. cilloscope User Manual 73 Application Examples 74 10 11 12 13 Push the AUTOSET button Turn the VOLTS DIV knobs to display approximately the same amplitude signals on each channel Push the DISPLAY button to see the Display Menu Push Format gt XY The oscilloscope displays a Lissajous pattern representing the input and output characteristics of the circuit Tum the VOLTS DIV and VERTICAL POSITION knobs to optimize the display Push Persist gt Infinite Push the Contrast or the Brightness option buttons 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 TPS2000 Series Digital Oscilloscope User Manual 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 Analyze harmonics in power lines Measure harmonic content and distortion in systems Characterize noise in DC power supplies Test impulse response of filters and systems Analyze vibration To use the Math FFT mode you need to perform the following tasks Set up the source time domain waveform Display the FFT spectrum Select a type of FFT window Adjust the sample rate to display the fundamental
79. cope with the specified date and time Time Cancel Closes the menu and returns to the previous menu without saving any changes Self Calibration The Do Self Cal self calibration routine optimizes the oscilloscope accuracy for the ambient temperature For maximum accuracy perform a self calibration 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 the copyright page 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 folder Select a file or folder Navigate to other folders E Create rename and delete files and folders E Format the CF card TPS2000 Series Digital Oscilloscope User Manual Options Reference Comments Change Folder 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 tUp folder item and then select the Change Folder menu option New Folder Creates a new folder in the c
80. curacy 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 The routine takes about two minutes For accurate calibration 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 P Do Self Cal option and follow the directions on the screen TPS2000 Series Digital Oscilloscope User Manual 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 VOLTS DIV VOLTS DIV OLATED CHANNEL INPUTS See beck pane tor Ratings EXT TRIG 2 channel model Tektronix TPS2024 OUUOU VOLTS DIV VOLTS DIV VOLTS DIV DAAA EXT TRIG 6 0 6 OF a a TYPE 1 ComPactFiash 4 channel model TPS2000 Series Digital Oscilloscope User Manual 17 Operating Basics The front panel buttons can be illuminated through the Utilities menu This illumination does not significantly affect the duration of the charge of 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 N
81. cycling Corporation www rbrc org for U S A and Canada or your local battery recycling organization m Many countries prohibit the disposal of waste electronic equipment in standard waste receptacles m Place only discharged batteries in a battery collection container Use electrical tape or other approved covering over the battery connection points to prevent short circuits TPS2000 Series Digital Oscilloscope User Manual xi Compliance Information xii Mercury Notification This product uses an LCD backlight lamp that contains mercury Disposal may be regulated due to environmental considerations Please contact your local authorities or within the United States refer to the E cycling Central Web page www eiae org for disposal or recycling information Transporting Batteries The capacity of the lithium ion rechargeable battery pack in this product is under 100 Wh The lithium equivalent content as defined by the UN Manual of Tests and Criteria Part III Section 38 3 is under 8 g per pack and 1 5 g per individual cell m Always check all applicable local national and international regulations before transporting a Lithium Ion battery E Transporting an end of life damaged or recalled battery may in certain cases be specifically limited or prohibited Restriction of Hazardous Substances This product has been classified as Monitoring and Control equipment and is outside the scope of the 2002 95 EC RoHS Directiv
82. div Volts Delta volts between 3 x reading 0 05 div Measurement any two averages Repeatability of 16 waveforms Average acquired under same Acquisition Mode setup and ambient conditions 1 When the vertical scale is set to gt 5 mV div When the vertical scale is set to 5 mV div the bandwidth specification is typical 2 The oscilloscope reverts to Sample mode when the SEC DIV horizontal scale is set from 2 5 ys 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 Table 4 Horizontal Specifications Characteristics Description Sample Rate TPS2012 and TPS2024 Range TPS2014 5 S s to 1 GS s 5 S s to 2 GS s Waveform sin x x Interpolation Record Length 2500 samples for each channel 154 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 4 Horizontal Specifications cont Characteristics Description SEC DIV Range TPS2012 and TPS2024 TPS2014 5 ns div to 50 s div in 2 5 ns div to 50 s div in a 1 2 5 a1 2 5 5 sequence 5 sequence Sample Rate 50 ppm over any 21 ms time interval and Delay Time Accuracy Delta Time Conditions Accuracy a Single shot Sample 1 sample interval 100 ppm x d ding 0 Bandwidth mode reading 0 6 ns gt 16 averages 1 sample interval 100 ppm x reading 0 4 ns Sample interval s div 250 Position Range 2 5 ns div to 10 ns di
83. dix D Default Setup 176 TPS2000 Series Digital Oscilloscope User Manual Appendix E Font Licenses The following license agreements cover Asian fonts used in the 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 prior 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 TH
84. e TPS2000 Series Digital Oscilloscope User Manual Preface Preface This manual contains operating information for the TPS2000 Series Digital Storage Oscilloscopes The manual consists of the following chapters 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 The Application Examples chapter provides examples on how to solve a variety of 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 The Communications chapter describes how to set 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 E The Reference chapter describes the selections or available range of values for each option E The Appendix A Specification
85. e 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 shows the pin numbers and signal assignments of the 9 pin RS 232 connector See page 93 RS 232 Connector Pinout Diagram 88 TPS2000 Series Digital Oscilloscope User Manual 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 To connect the oscilloscope Use this type Tektronix part to cable number PCs with 9 pin serial port 9 pin female to 012 1379 00 connector 9 pin female null modem PCs with 25 pin serial port 9 pin female to 012 1380 00 connector 25 pin female null modem Sun workstations and serial 9 pin female to 012 1298 00 printers such as an HP Deskjet 25 pin male null modem Telephone modems 9 pin female 012 1241 00 to 25 pin male modem Connecting an External Device When you connect the oscilloscope to an external RS 232 device follow these guidelines Use the correct cable refer to the preceding table Use a cable that is no longer than 50 feet 15 meters
86. e chapter See page 137 Trigger Controls 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 The oscilloscope 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 channel BNC or to the EXT TRIG BNC Types The oscilloscope provides three types of triggers Edge Video and Pulse Width TPS2000 Series Digital Oscilloscope User Manual 33 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 138 Mode Options 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 wi
87. e 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Pollution Degree 3 Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation These are sheltered locations where neither temperature nor humidity is controlled The area is protected from direct sunshine rain or direct wind Pollution Degree 4 Pollution that generates persistent conductivity through conductive dust rain or snow Typical outdoor locations Pollution Degree Pollution Degree 2 as defined in IEC 61010 1 Note Rated for indoor use only Installation Overvoltage Category Descriptions Terminals on this product may have different installation overvoltage category designations The installation categories are Measurement Category IV For measurements performed at the source of low voltage installation Measurement Category III For measurements performed in the building installation Measurement Category II For measurements performed on circuits directly connected to the low voltage installation Measurement Category I For measurements performed on circuits not directly connected to MAINS Overvoltage Category Overvoltage Category II as defined in IEC 61010 1 TPS2000 Series Digital Oscilloscop
88. e User Manual Compliance Information Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Handling Observe the following guidelines when recycling an instrument or component Equipment Recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002 96 EC and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information about recycling options check the Support Service section of the Tektronix Web site www tektronix com Battery Recycling This product contains a lithium ion Li ion rechargeable battery which must be recycled or disposed of properly Lithium Ion batteries are subject to disposal and recycling regulations that vary by country and region Always check and follow your applicable regulations before disposing of any battery Contact Rechargeable Battery Re
89. ear 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 nonprogrammable functions 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 TPS2000 Series Digital Oscilloscope User Manual 93 Communications RS 232 and Centronics OOnN DOR WNM No connection Receive data RxD input Transmit data TxD output Data terminal ready DTR output Signal ground GND Data set ready DSR input Request to send RTS output Clear to send CTS input No connection Command Entry When you enter oscilloscope commands over the RS 232 bus follow these general rules You can enter commands in upper or lower case You can abbreviate many oscilloscope commands These abbreviations are shown in uppercase letters For example the command ACQuire NUMAVsg can be entered simply as ACQ NUMAYV or acq numav You can precede any command with white space characters White space characters include any combination of
90. ed The increase in trace noise while subjected to the test field 3 V m over the frequency ranges of 80 MHz to 1 GHz and 1 4 GHz to 2 0 GHz with 80 amplitude modulation at 1 kHz and 1 V m over the frequency range of 2 0 GHz to 2 7 GHz with 80 amplitude modulation at 1 kHz is not to exceed two major divisions peak to peak Ambient conducted fields may induce triggering when the trigger threshold is offset less than one major division from channel reference The increase in trace noise while subjected to the test field 3 V rms over the frequency range of 150 kHz to 80 MHz with 80 amplitude modulation at 1 kHz is not to exceed one 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 Performance Criterion C applied at the 70 25 cycle Voltage Dip and the 0 250 cycle Voltage Interruption test levels IEC 61000 4 11 Australia New Zealand Declaration of Conformity EMC Complies with the EMC provision of the Radiocommunications Act per the following standard in accordance with ACMA CISPR 11 2003 Radiated and Conducted Emissions Group 1 Class A in accordance with EN 61326 1 2006 and EN 61326 2 1 2006 TPS2000 Series Digital Oscilloscope User Manual Compliance Information Safety Compliance EC Declaration of Conformity Low Voltage Compliance was demonstrated to the following specification as listed in
91. eed 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 m The maximum measurement voltage from the probe tip and BNC shell to earth ground The maximum floating voltage from the probe reference lead to earth ground WARNING To avoid an electric shock do not use probes that require a ground connection such as the Tektronix P5200 High Voltage Differential Probe with the TPS2000 series oscilloscopes The P5200 High Voltage Differential Probe requires an oscilloscope with grounded inputs and the TPS2000 series oscilloscopes have floating inputs isolated inputs WARNING Do not float the P2220 probe reference lead to gt 30 Vrys Use the P5120 probe floatable to 600 Vrus CAT I or 300 Vrus CAT III or similarly rated passive high voltage probe not the ground referenced P5100 probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrus subject to the ratings of such high voltage probe To avoid electric shock when using probes with exposed metal parts do not connect the reference lead to voltages above 30 Vrms These voltage ratings depend on the probe and your application See page 151 Specifications TPS2000 Series Digital Oscilloscope User Manual Getting Started This manual contains more information on probe safety See page 12
92. eferenced to the trigger position and amplitude to the reference connection 1 For a Math FFT source measures Frequency and Magnitude 2 Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual Reference Delta A values vary with the following types of cursors 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 E 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 NOTE 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 VAA NM Amplitude cursors Time cursors Default Setup Push the DEFAULT SETUP button to recall most of the factory option and control settings but not all Appendix D lists the default settings that will be recalled Display Push the DISPLAY button to choose how waveforms are presented and to change the appearance of the entire display TPS2000 Series Digital Oscilloscope User Manual 121 Reference Options Settings Comments Type Vectors Dots Vectors fill the space between adja
93. el marker 19 level readout 20 level 25 34 137 menu 137 modes 34 modes Auto 138 modes Normal 138 polarity 141 position marker 19 position readout 19 position 34 pretrigger information 140 slope 34 138 source 20 33 138 141 status indicators 19 status 145 sync 141 type indicator 20 types 33 video 140 141 view 25 144 U UTILITY button 28 Utility menus 144 V Vectors 121 TPS2000 Series Digital Oscilloscope User Manual 193 Index Vertical menu 148 position knob 23 position 36 scale 36 status 145 Video signal Autoset function 119 Video trigger 140 application example 67 Voltage ratings understand for probes 4 VOLTS DIV control 23 Volts Div Coarse 149 Fine 149 W W indicator for Window time base 126 Waveforms acquire data 35 compression 126 digitized 35 display style meaning 122 expansion 126 Math instantaneous power 52 position 36 remove from screen 150 scale 36 scanning 113 take measurements 40 time domain 75 WaveStar software ordering 166 Window time base 24 126 readout 20 Window Zone 125 127 Windows FFT spectrum 78 WST RO WaveStar software ordering 166 X XY application example 73 display format 122 124 Y YT display format 122 Z Zoom 71 FFT 82 HORIZ menu 125 Window Zone 125 127 194 TPS2000 Series Digital Oscilloscope User Manual
94. emory 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 page 97 File Management New Folder Conventions See page 146 File Utilities Save filename such as Saves the settings to the TEK0000 SET automatically generated file name in the current CF card folder TPS2000 Series Digital Oscilloscope User Manual 133 Reference 134 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 See page 98 Saves All to Files Save Waveform The Save Waveform action saves the specified waveform to a file named TEKnnnn CSV or to reference memory The oscilloscope saves waveform data to files as comma separated values CSV format which are ASCH 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 Settings or Options submenus Comments Save To File Specifies to save the source waveformdata to a file on the CF card Ref Specifies to save the source waveform data in reference memory Source 1 CH x Ref x Specifies which source MATH waveform to save To Ref x Specifies the reference memory loc
95. ence 124 Intensity 121 Interfaces for PCs and printers 85 Interpolation 112 Inverted waveform readout 19 Isolated channels description 3 L Languages 145 LEVEL control 25 Level 25 34 Li Ion battery packs 101 Line video trigger 140 Lissajous pattern XY format 124 M M indicator for Main time base 126 M marker for Math waveforms 54 Magnify horizontal window 125 Magnitude cursors 41 FFT spectrum 83 Main time base 24 125 Manage battery pack resources 101 Manuals ordering 168 MATH MENU button 23 math waveform allowed units 128 Math FFT 75 77 functions 127 menu 127 188 TPS2000 Series Digital Oscilloscope User Manual Maximum measurements 130 MEASURE button 28 Measure menu 129 Measurements automatic 41 129 basic concepts 40 cursor 40 54 cycle RMS 130 fall time 130 FFT spectrum 83 floating 3 frequency 129 graticule 40 maximum 130 mean 129 minimum 130 negative width 130 peak to peak 130 period 129 positive width 130 rise time 130 types 129 Memory removable mass storage 95 screen images 131 setups 131 waveforms 131 Menu system using 21 Index Menus Acquire 111 Autorange 114 Autoset 116 Cursor 120 Display 121 Help 125 Horizontal 125 Math FFT 77 Math 127 Measure 129 Print 130 Save Recall 131 Trigger 137 Utility 144 Vertical 148 Messages 20 21 Minimum measurements 130 Multiply waveforms Math me
96. ents 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 TPS2000 Series Digital Oscilloscope User Manual 139 Reference Option Details 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 Video Trigger Options Settings Video Comments With Video highlighted triggering occurs on an NTSC PAL or SECAM standard video signal Trigger coupling is preset to AC Source CH1 CH2 CH3 1 CH4 1 Ext Ext 5 Ext 10 Selects the input source as the trigger signal Ext Ext 5 and Ext 10 selections use the signal applied to the EXT TRIG connector Polarity Normal Inverted Normal triggers on the negative edge of the sync pulse Inverted triggers on the positive edge of the sync pulse 140 TPS2000 Series
97. er 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 THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W16 15AUG04 P2220 Probe Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new perf
98. ete 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 blue and red symbol between the Push to Recalibrate Battery in Left Bay label and the Energy Access Incorporated label 3 After at least 3 minutes check the LED status of the charger for errors The charger will charge discharge and then fully recharge the battery pack returning it to a fully calibrated state The calibration process can TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs 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 2 Power down the oscilloscope to allow a faster charge rate Apply external power from the oscilloscope AC adapter for approximately 5 hours per battery pack Remove the oscilloscope AC adapter Push the front panel power switch to power on the oscilloscope 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 for each battery pack Again apply external power from the oscilloscope AC adapter for approximately 5 hours
99. ext table TPS2000 Series Digital Oscilloscope User Manual 127 Reference 128 Options Comments 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 Operation Sources option Comments addition CH1 CH2 Channels 1 and 2 are added together CH3 CH41 Channels 3 and 4 are added together subtraction CH1 CH2 The channel 2 waveform is subtracted from the channel 1 waveform CH2 CH1 The channel 1 waveform is subtracted from the channel 2 waveform CH3 CH4 1 The channel 4 waveform is subtracted from the channel 3 waveform CH4 CH3 1 The channel 3 waveform is subtracted from the channel 4 waveform x multiplication CH1xCH2 Channels 1 and 2 are multiplied together CH3xCH4 1 Channels 3 and 4 are multiplied together FFT See page 75 1 Available only on a 4 channel oscilloscope Key Points Waveform Units The combination of source waveform units determine the resulting units for the Math waveform TPS2000 Series Digital Oscilloscope User Manual Reference Waveform Waveform unit unit Operation Resulting Math unit V V or V A A or A V A or V V x VV A A x AA V A x VA Measure Push the MEASURE button to access automatic measurements There
100. f the first rising edge of the waveform Fall Time Measures the time between 90 and 10 of the first falling edge of the waveform Pos Width Measures the time between the first rising edge and the next falling edge at the waveform 50 level Neg Width Measures the time between the first falling edge and the next rising edge at the waveform 50 level None Does not take any measurement Print 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 image to a printer or computer You can set up the oscilloscope to send a screen image to your printer through the UTILITY gt Options Printer Setup menu See page 86 Printer Setup The alternative function of the PRINT button is to save data to the CompactFlash removable mass storage See page 95 Removable Mass Storage 130 TPS2000 Series Digital Oscilloscope User Manual Probe Check Reference You can use the Probe Check Wizard to quickly verify that your voltage probe is operating properly See page 13 Voltage Probe Check Wizard 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 through an Action option Each Action option displays a menu that allows you to further define the save or recall function Action options Comments
101. ffects 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 the rising and falling edges of the signal when the noise is removed TPS2000 Series Digital Oscilloscope User Manual 61 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 that 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 Aw ek YN 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 TRIGGER 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 62 TPS2000 Series Digital Oscilloscope User Manual Application Examples
102. g edge of the input signal is used for the trigger TPS2000 Series Digital Oscilloscope User Manual 137 Reference Options Settings Comments Source CH1 CH2 CH31 Select the input source as the CH4 1 Ext Ext 5 trigger signal See page 139 Ext 10 Slope Rising Falling Select to trigger on either the rising or falling edge of the signal Mode Auto Normal Select the type of triggering See page 138 Coupling AC DC Noise Reject Selects the components of HF Reject LF Reject the trigger signal applied to the trigger circuitry See page 139 1 Available only on a 4 channel oscilloscope 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 The Auto mode 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 output Use the Auto 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
103. h 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 16 64 128 Select number of averages 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 Sample Peak Detect Average Sample Use Sample acquisition mode to acquire 2500 points and display them at the SEC DIV setting Sample mode is the default mode TPS2000 Series Digital Oscilloscope User Manual 111 Reference 112 Sample acquisition intervals 2500 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 model At 100 ns and faster settings this sample rate does not acquire 2500 points In this case a Digital Signal Processor interpolates points between the sampled points to make a 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
104. han Flattop Flattop Periodic Better magnitude poorer frequency waveforms accuracy than Hanning Rectangular Pulses or Special purpose window for transients waveforms that do not have discontinuities This is essentially the same as no window 80 TPS2000 Series Digital Oscilloscope User Manual FFT Aliasing Math FFT Problems occur when the oscilloscope acquires a time domain waveform containing frequency components that are greater than the Nyquist frequency See page 77 Nyquist Frequency 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 Tot Ja Nyquist frequency J one half sample rate Amplitude Frequency t l Il EES E tt Aliased frequencies Actual frequencies A TPS2000 Series Digital Oscilloscope User Manual 81 Math FFT Eliminating Aliases To eliminate aliases try the following remedies Turn the SEC DIV knob to set the sample rate to a faster setting Since you increase the 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 If you do not need to view frequency components above 20 MHz set the Bandwidth Limit option to On
105. han the time 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 Selectable from 33 ns to 10 s Range Pulse Width 16 5 ns or 1 part per thousand whichever is larger Resolution 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 Table 7 Trigger Frequency Counter Specifications Characteristics Description Readout 6 digits Resolution Accuracy typical 51 parts per million including all frequency reference errors and 1 count errors 158 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 7 Trigger Frequency Counter Specifications cont Characteristics Description Frequency Range AC coupled 10 Hz minimum to rated bandwidth Signal Source 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
106. he 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 TPS2000 Series Digital Oscilloscope User Manual 95 Removable Mass Storage 96 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 More gt Format 4 Select Yes to format the CF card 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 See page 131 Save All 16 screen image files capacity depends on the image format See page 132 Save Image 250 oscilloscope setting SET files See page 133 Save Setup 18 waveform CSV files See page 134 Save Waveform TPS2000 Series Digital Oscilloscope User Manual Removable Mass Storage 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 defaul
107. he reference memory location to load the waveform to TPS2000 Series Digital Oscilloscope User Manual 135 Reference 136 Settings or Options submenus Comments Select File Lists the contents of the current CF card folder and displays the next folder option Change Folder See page 97 File Management Conventions See page 146 File Utilities To Specifies the reference memory location to recall the waveform to Recall filename such as Loads the waveform from the TEK0000 CSV specified file to the location in reference memory and displays the waveform Display Refs The Display Refs action displays or removes reference memory waveforms from the screen of the oscilloscope Options Settings Comments RefA RefB RefC 1 On Off Displays or removes RefD 1 reference memory waveforms from the screen 1 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 to initialize the oscilloscope to a known setup To view option and control settings that the oscillosc
108. ication Examples Measuring Ring Frequency and Amplitude To measure the ring frequency at the rising edge of a signal follow these steps 1 de ae P Push the CURSOR button to see the Cursor Menu Push Type gt Time 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 Push the Cursor 2 option button 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 Type Source At 540 0ns 1 At 1 852MHz AV 0 44V ursor 180ns 1 40V Cursor2 720ns 0 96V TPS2000 Series Digital Oscilloscope User Manual 55 Application Examples 56 10 11 12 Push Type gt Amplitude Push the Cursor 1 option button Turn the multipurpose knob to place a cursor on the first peak of the ring Push the Cursor 2 option button 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 Amplitude Source AV 640mV Cursor 1 1 46V ursor 2 820mV Measuring Pulse Width If you are analyzing a pulse waveform and you want to know the width of the pulse follow these steps 1 Gre oe ON al Push the CURSOR butto
109. ications RS 232 and Centronics This chapter describes how to use the communications functions of the oscilloscope and describes how to do the following tasks 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 TDSPCS software user manual WARNING Do not float the P2220 probe reference lead to gt 30 Vays Use AN the P5120 probe floatable to 600 Vrus CAT II or 300 Vays CAT TID or similarly rated passive high voltage probe not the ground referenced P5100 probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrs subject to the ratings of such high voltage probe To avoid electric shock when using probes with exposed metal parts do not connect the reference lead to voltages above 30 Vrus 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 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 TPS2000 Series Digital Oscilloscope User Manual 85 Communications RS 232 and Centronics Printer Setup To set up a p
110. ill 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 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 improp
111. ints 50 Using an Isolated Channel to Analyze a Differential Communication Sionalscincs es be ee BER OR SAG 51 Viewing a Math Instantaneous Power Waveform 52 Taking Cursor Measurements eceeeeeee cence ene enes 54 Analyzing Signal Detail ccc cece eee e ence ene enes 59 Capturing a Single Shot Signal cece eee eeee ene en ee 62 Measuring Propagation Delay ceceeee ener ene enes 64 Triggering on a Specific Pulse Width e cece eee 65 Triggering on a Video Signal rererere 67 Viewing Impedance Changes in a Network 065 72 Math FP riea A E wie rab aaa A ac ant a i os 75 Setting Up the Time Domain Waveform 0000 75 Displaying the FFT Spectrum 0 ccc eeee eee eee rene ene 77 Selecting an FFT Window 00cceeeeeeeeeeeeeee ene 78 Magnifying and Positioning an FFT Spectrum 82 Measuring an FFT Spectrum Using Cursors 0068 83 Communications RS 232 and Centronics e ce eee eee eee 85 Sending a Screen Image to an External Device 85 Setting Up and Testing the RS 232 Interface 88 Command Entryics ca c2ctc6s psn tee eee a ee 94 Removable Mass Storage c0 ccc ecee cece ee eeeeeneeenneenes 95 Installing and Removing a CompactFlash CF Card 95 File Management Conventions ceceeee ence ene ene
112. ip 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 Viewing a Math Instantaneous Power Waveform 52 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 4 Probe Connection TPS2000 Series Digital Oscilloscope User Manual Application Examples O 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 WARNING Do not float the P2220 probe reference lead to gt 30 Vrus Use AN the P5120 probe floatable to 600 Vrus CAT II or 300 Vrus CAT III or similarly rated passive high voltage probe not the ground referenced P5100 probe or an appropriately rated high voltage differential probe when floating the reference lead above 30 Vrus subject to the ratings of such high voltage probe To avoid electric shock when using probes with ex
113. k 600 V DC CAT II Reference Lead and Earth Ground when used with TPS2000 Series 1 1 As defined in IEC 61010 1 2001 Differential Probes P5205 with 1103 Attenuation Gain Setting 50X 500X Maximum Linear 130 V DC PK AC CAT I 1 300 V DC PK AC Differential Mode Input Voltage 1 between Probe Tips 100 Vrus CAT II or 100 V DC CAT II 600 Vrus CAT III or 600 V DC CAT III CAT 1 000 Vrus CAT II or 1 000 V DC CAT II Maximum Linear Common Mode Input Voltage 1 between either or Probe Tip and Earth Ground 1 000 Vems CAT II or 1 000 V DC CAT Il 600 Vams CAT III or 600 V CAT III 1 000 Vrus CAT II or 1 000 V DC CAT II 600 Vrus CAT III or 600 V DC CAT III TPS2000 Series Digital Oscilloscope User Manual 179 Appendix F TPS2000 Compatible Probe Maximum Voltages 1 The float voltage must be subtracted from the tip to earth ground voltage For example if the reference lead is floated to 30 V rus the tip voltage to the reference lead is limited to 270 V aus Differential Probes P5210 with 1103 Attenuation Gain Setting 100X 1000X Maximum Linear 560 V DC PK AC 5 600 V DC PK AC Differential Mode Input 440 Vrus CAT I or 440 V 4 400 Vrus CAT or Voltage 1 between Probe DC CAT 4 400 VDC CATI Tips 440 Veus CAT Wor 440V 4 400 Ves CAT II or DC CAT II 4 400 V DC CAT II 100 Vrus CAT III or 100 V DC CAT III 1 000 Vrus CAT III or 1 000 V DC CAT III Maximum Linear Common M
114. l settings unchanged 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 116 TPS2000 Series Digital Oscilloscope User Manual Reference Function Setting Acquire mode Adjusted to Sample or Peak Detect Cursors Off Display format Set to YT Display type Set to Dots for a video signal set to Vectors for Horizontal position SEC DIV an FFT spectrum otherwise unchanged Adjusted Adjusted Trigger coupling Adjusted to DC Noise Reject or HF Reject Trigger holdoff Minimum Trigger level Set to 50 Trigger mode Auto Trigger source Adjusted refer to the information after this table cannot use Autoset on the EXT TRIG signal Trigger slope Adjusted Trigger type Edge or Video Trigger Video Polarity Normal Trigger Video Sync Adjusted Trigger Video Standard Adjusted Vertical bandwidth Full Vertical coupling DC if Ground was previously selected AC for a video signal otherwise unchanged VOLTS DIV Adjusted The Autoset function examines all channels for signals and displays corresponding waveforms Autoset also determines the trigger source based on the following conditions If multiple channels have signals the oscilloscope displays the channel with the lowest frequency signal If no signals are found then the oscilloscope displays the lowe
115. l 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 Math FFT option Settings Comments Source CH1 CH2 CH3 1 Selects the channel used as the FFT CH4 1 source Window Hanning Flattop Selects the FFT window type See Rectangular page 78 Selecting an FFT Window FFT Zoom X1 X2 X5 X10 Changes the horizontal magnification of the FFT display See page 82 Magnifying and Positioning an FFT Spectrum 1 Available only on a 4 channel oscilloscope TPS2000 Series Digital Oscilloscope User Manual 77 Math FFT 78 a Operation FFT Fundamental frequency component Window Ei FFT Zoom a Frequency Hanning component Frequency at the center graticule line Vertical scale in dB per division 0 dB 1 Vrms Horizontal scale in frequency per division Sample rate in number of samples per second 1 2 3 4 5 Selecting an FFT Window FFT window type Windows reduce spect
116. lete line with parts of the previous and next line the oscilloscope triggers Lines All Lines on any line J Displays one complete line with parts of the previous and next line use the multipurpose Lines gt Number knob to select a specific line number for the oscilloscope to use as a trigger TPS2000 Series Digital Oscilloscope User Manual 119 Reference Video signal options Details E Displays several fields and the oscilloscope triggers only on odd numbered fields Odd Fields wkd Displays several fields and the oscilloscope triggers only on even numbered fields Even Fields Undo Autoset Causes the oscilloscope to recall the previous setup NOTE Video autoset sets the Display Type option to Dots mode Cursor 120 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 Time Amplitude Off Select and display the measurement cursors Time measures time frequency and amplitude Amplitude measures amplitude such as current or voltage Source CH1 CH2 CH32 CH4 2 MATH REFA REFB REFC 2 REFD 2 Choose the waveform on which to take the cursor measurements Cursor readouts display the measurement Displays the absolute value of the difference delta between the cursors Cursor 1 Cursor 2 Displays selected cursor location time is r
117. limited to 300 V If these values are exceeded damage to the instrument may result Refer to the Overvoltage Category later in this table 162 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 10 P2220 Probe Electrical Specifications cont Characteristics Description Maximum Input Voltage 1 10X position 1X position Between Tip Signal and 300 Vays CAT Ilor 300V 150 Vays CAT II or 150 V ie EAPN ern DC CAT I DC CAT I 150 Vems CAT III or 150 V 100 Vrus CAT III or 100 V DC CAT III DC CAT III 420 V peak lt 50 DF 210 V peak lt 50 DF lt 1 s PW lt 1 s PW 670 V peak lt 20 DF 330 V peak lt 20 DF lt 1 s PW lt 1 s PW Maximum Voltage Between the Reference Lead and 30 Vans 2 Earth Ground 1 As defined in IEC61010 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 Vams the tip voltage to the reference lead is limited to 270 Vrms P2220 Probe Certifications and Compliances EC Declaration of Compliance was demonstrated to the following specification as Conformity listed in the Official Journal of the European Communities Low Voltage Directive 2006 95 EC EN 61010 1 2001 Safety requirements for electrical EN 61010 2 031 equipment for measurement control and 2003 laboratory use Particular requirements for hand held probe assemblies for electrical measurement and test
118. ll 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 for information on how to use this control to position the trigger See page 36 Horizontal Scale and Position Pretrigger Information Slope and Level The Slope and Level controls help to define the trigger 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 34 TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Rising edge Falling edge Trigger level can be adjusted vertically t Trigger 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 i
119. lse Width trigger applications Coupling AC DC Noise Selects the components of Reject HF Reject the trigger signal applied to LF Reject the trigger circuitry See page 137 Edge Trigger More Use to switch between submenu pages 1 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 gt 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 tolerance lt Triggers the oscilloscope when the source signal pulse gt width is less than or greater than the specified pulse width 142 TPS2000 Series Digital Oscilloscope User Manual Reference Triggers when pulse is Triggers when pulse is less than width setting greater than width setting lt gt Threshold level Triggers when pulse is equal Triggers when pulse is not to width setting 5 equal to width setting 5 PR Threshold level gt Tolerance Tolerance e Trigger point Refer to the Application Examples chapter for an example of triggering on aberrant pulses See page 65 Triggering on a Specific Pulse Width Knobs and
120. menu button 1 option to the 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 Vertical Controls You can use the vertical controls to display and remove waveforms adjust vertical scale and position set input parameters and for vertical math operations See page 127 Math 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 AC DC passes both AC and DC components Ground of the input signal AC blocks the DC component of the input signal and attenuates signals below 10 Hz Ground disconnects the input signal 148 TPS2000 Series Digital Oscilloscope User Manual Reference Options Settings Comments BW Limit 20 MHz Off Limits the bandwidth to reduce display noise filters the signal to reduce noise and other unwanted high frequency components Volts Div Coarse Fine Selects the resolution of the Volts Div knob Coarse defines a 1 2 5 sequence Fine changes the resolution to small steps between the coarse settings Probe See the next Push to adjust Probe options table Invert On Off Inverts flips the waveform with respect to the reference level 1 Effective bandwidth is 6 MHz with a P2220 probe set to 1X The option for voltage and current pro
121. mode The oscilloscope counts pulses of significant magnitude inside the 250 ms measurement window that qualify as triggerable events 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 Table 8 Measurement Specifications Characteristics Description 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 Table 9 Oscilloscope General Specifications Characteristic Description Display Display Type 5 7 in 145 mm diagonal liquid crystal Display Resolution 320 horizontal by 240 vertical pixels Display Contrast Adjustable temperature compensated Backlight Intensity typical 1 60 to 100 cd m2 TPS2000 Series Digital Oscilloscope User Manual 159 Appendix A Specifications Table 9 Oscilloscope General Specifications cont Characteristic Description Probe Compensator Output Output Voltage 5 V into 2 1 MQ load typical Frequency typical 1 kHz Power Source Source Voltage of 90 to 264 VACrms from 45 Hz through 66 Hz the Oscilloscope AC Ad
122. mple 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 Radio The oscilloscope uses a different button for each option The currently selected option is highlighted For example the oscilloscope displays 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 ACQUIRE Type Couplin Page Yp uping ag mm Sample Page Down ot Li or or Peak Detect TRIGGER CH1 A Average M e Corg or or TRIGGER CH1 iis ou 22 TPS2000 Series Digital Oscilloscope User Manual Operating Basics Vertical Controls VERTICAL POSITION POSITION OQ YW A 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 vertical scale factors MATH MENU Displays waveform math operations menu and toggles the display of the math waveform
123. n the channel signal and signal reference to chassis the ratio of the acquired signal amplitude to the amplitude of the signal Channel to Channel Crosstalk TPS2012 and TPS2024 TPS2014 2 100 1 at 50 MHz 2 100 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 on each channel 1 The maximum peak to peak voltage that can be displayed is 40 Vp p with a 1X attenuation The Vertical specifications include available VOLTS DIV and probe attenuation settings See Table 3 Table 3 Vertical Specifications Characteristics Description Digitizers 8 bit resolution except when set to 2 mV div each channel sampled simultaneously VOLTS DIV 2 mVidiv to 5 V div at input BNC Range 152 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 3 Vertical Specifications cont Characteristics Description Position Range 2 mVidiv to 200 mV div 1 8 V gt 200 mV div to 5 Vidiv 45 V P2220 Probe 1X 10X Attenuation Supported Voltage 1X 10X 20X 50X 100X 500X 1000X Probe Attenuation Factors Supported Current 5 VIA 1 V A 200 mV A 100 mV A 50 mV A 20 mV A 10 mV A Probe Scales 1 mV A Analog Bandwidth TPS2012 and TPS2012 and TPS2014 in Sample and TPS2014 Average modes 100 MHz 1 200 MHz 1 from 0 C to 40 C at BNC or with 32 F to 104
124. n the product s configuration and the applications that you run Routinely check the charge status of the battery Carefully monitor batteries that are approaching the end of their estimated life Consider replacing the battery with a new one if the battery run time drops below about 80 of the original run time or the battery charge time increases significantly Follow the storage requirements if you store or do not use a battery for an extended period If you do not follow the storage requirements and the battery has no charge remaining when you check it you can consider the battery to be damaged Do not attempt to recharge it or to use it Replace it with a new battery General Charging Guidelines 102 Continuous Charging You do not need to continuously charge trickle charge Li Ion battery packs to maintain full operating capacity between jobs However a Lithium ion battery pack will self discharge during non use To achieve the longest operating time charge your battery pack before use If you plan to store battery packs read the specific instructions to do this See page 108 Storage Charging Temperature Charge the battery packs within an ambient temperature range of 0 C to 40 C 32 F to 104 F Charging battery packs outside of this range can damage cells or cause them to leak Charging efficiency is best between 0 C and 30 C 32 F and 86 F with less than 80 relative humidity
125. n to see the Cursor Menu Push Type gt Time 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 Application Examples You can see the following measurements in the Cursor Menu E The time at Cursor 1 relative to the trigger m The time at Cursor 2 relative to the trigger The A delta time which is the pulse width measurement a Type Source i CHT At 500 0us 11At 2 000kHz AV 1 38V Cursor 1 00s 0 98V Cursor 2 500s 1 00V NOTE The Positive Width measurement is available as an automatic measurement in the Measure Menu See page 129 Taking Measurements NOTE The Positive Width measurement also displays when you select the Single Cycle Square option in the AUTOSET Menu See page 119 Square Wave or Pulse TPS2000 Series Digital Oscilloscope User Manual 57 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 2 10 11 12 13 Turn the SEC D
126. n 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 Preface 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 corresponding 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 Conventions This manual uses the following conventions E 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 TPS2000 Series Digital Oscilloscope User Manual XV Preface F
127. nce EC Declaration of Conformity EMC Meets intent of Directive 2004 108 EC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61326 1 2006 EN 61326 2 1 2006 EMC requirements for electrical equipment for measurement control and laboratory use 123 m CISPR 11 2003 Radiated and conducted emissions Group 1 Class A TEC 61000 4 2 2001 m IEC 61000 4 3 2002 TEC 61000 4 4 2004 IEC 61000 4 5 2001 IEC 61000 4 6 2003 Electrostatic discharge immunity RF electromagnetic field immunity 4 Electrical fast transient burst immunity Power line surge immunity Conducted RF immunity 5 IEC 61000 4 11 2004 Voltage dips and interruptions immunity 6 EN 61000 3 2 2006 AC power line harmonic emissions EN 61000 3 3 1995 Voltage changes fluctuations and flicker European Contact Tektronix UK Ltd Western Peninsula Western Road Bracknell RG12 1RF United Kingdom TPS2000 Series Digital Oscilloscope User Manual vil Compliance Information viii This product is intended for use in nonresidential areas only Use in residential areas may cause electromagnetic interference Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object To ensure compliance with the EMC standards listed here high quality shielded interface cables should be us
128. ndow around the portion of the waveform that you want to expand TPS2000 Series Digital Oscilloscope User Manual 71 Application Examples 1 Push the Window option button to see the expanded portion of the waveform 2 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 72 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 Connect the oscilloscope to monitor the input and output of the circuit and capture the changes that occur as you vary the temperature TPS2000 Series Digital Oscilloscope User Manual Application Examples a OOo CH1 CH2 To view the input and output of the circuit in an XY display follow these steps Push the CH 1 MENU button Push Probe gt Voltage gt Attenuation gt 10X Push the CH 2 MENU button Push Probe gt Voltage gt Attenuation gt 10X Set the switches to 10X on the P2220 probes D rU L D g Connect the channel 1 probe to the input of the network and connect the channel 2 probe to the output TPS2000 Series Digital Os
129. 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 Usea soft cloth dampened with water to clean the oscilloscope Use an aqueous solution of 75 isopropyl alcohol for more efficient cleaning A CAUTION To avoid damage to the surface of the oscilloscope or probes do not use any abrasive or chemical cleaning agents TPS2000 Series Digital Oscilloscope User Manual 171 Appendix C Cleaning 172 TPS2000 Series Digital Oscilloscope User Manual Appendix D Default Setup This appendix describes the options buttons and controls that change settings when you push the DEFAULT SETUP button The last page of this appendix lists settings that do not change NOTE When you push the DEFAULT SETUP button the oscilloscope displays the CH1 waveform and removes all other waveforms Option button or Menu or system knob Default setting ACQUIRE three mode Sample options Averages 16 RUN STOP RUN AUTORANGE Autorange Off Mode Vertical and Horizontal CURSOR Type Off Source CH1 Horizontal 3 2 divs amplitude Vertical time 4 divs DISPLAY Type Vectors Persist Off
130. nu 127 Multipurpose knob 26 N Navigation file system 146 Negative width measurements 130 Noise reduction Average mode 111 Math subtraction 128 trigger coupling 138 vertical bandwidth limit 149 Nonvolatile memory reference waveform files 131 setup files 131 Normal operation recall default setup 32 Normal trigger mode 138 NTSC video standard 140 Nyquist frequency 77 TPS2000 Series Digital Oscilloscope User Manual 189 Index O OpenChoice software 165 RS 232 interface 90 Operating temperature battery packs 103 Operating time battery packs 6 remaining 106 Option buttons xv Option types Action 22 Circular List 22 Page Selection 22 Radio 22 Oscilloscope front panels 17 power through AC adapter 5 set date and time 146 specifications 151 understanding functions 31 P P2220 probe specifications 162 PAL video standard 140 Panning horizontal 36 vertical 36 PC communications software 165 PCX file format 87 Peak Detect acquisition mode 35 112 Peak Detect mode 111 icon 19 Peak to Peak measurements 130 Peak to peak noise 124 Period measurements 129 Persistence 122 123 Phase differences 124 Polarity Pulse Width trigger 141 Video trigger sync 140 Ports communications 85 POSITION control horizontal 24 vertical 23 Position horizontal 36 125 trigger 140 vertical 148 Positive width measurements 130 Power analysis application ordering
131. ocessing images applications type of image file depends on the application SET Contains an ASCII text string listing of the oscilloscope settings refer to the TDS200 TDS1000 2000 TDS1000B 2000B and TPS2000 Series Digital Oscilloscopes Programmer Manual to decode strings 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 See page 132 Save Image 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 P Save All gt PRINT Button gt Saves Image to File TPS2000 Series Digital Oscilloscope User Manual 99 Removable Mass Storage 100 TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs The TPSBAT Lithium Ion rechargeable battery packs require routine maintenance and care in their use and handling Be sure to follow the guidelines in this section to safely use TPSBAT Lithium Ion batteries and achieve the maximum battery life span This section contains information on the following topics Maintaining battery packs Charging battery packs Handling battery packs Storing and transporting battery packs Replacing the original battery packs TPSBAT Battery Pack Considerations Do not leave a battery unused for an extended period of time either in the product or in storage When a battery has been unused
132. ode 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 Table 2 Input Specifications Characteristics Description Input Coupling DC AC or Ground Input Impedance 1 MQ 2 in parallel with 20 pF 3 pF DC Coupled TPS2000 Series Digital Oscilloscope User Manual 151 Appendix A Specifications Table 2 Input Specifications cont Characteristics Maximum Voltage Between Signal and Reference at input BNC 1 Maximum Voltage Between BNC Reference and Earth Ground 1 Description Overvoltage Category Maximum Voltage CAT II 300 Vans CAT III 150 Vems 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 600 Vams CAT II or 300 Vrus CAT III using rated connectors or accessories Channel Common Mode Rejection typical Greater than 1000 1 up to 50 MHz derated to 400 1 at 200 MHz sinewave with Volts Div setting at 5 mV With the signal applied betwee
133. ode Input Voltage 1 between either or Probe Tip and Earth Ground 2 200 Vrus CAT I or 2 200 V DC CAT 2 200 Vrus CAT II or 2 200 V DC CAT II 1 000 Vrus CAT III or 1 000 V DC CAT III 2 200 Vrus CAT I or 2 200 V DC CAT I 2 200 Vrus CAT II or 2 200 V DC CAT II 1 000 Vrus CAT III or 1 000 V DC CAT III 1 The float voltage must be subtracted from the tip to earth ground voltage For example if the reference lead is floated to 30 V pus the tip voltage to the reference lead is limited to 270 V rus Differential Preamplifier ADA400A with 1103 Attenuation Gain Setting 0 1X 1X Maximum Linear Differential Mode Input Voltage 1 between Probe Tips 80 V DC PK AC 10 V DC PK AC Maximum Linear Common Mode Input Voltage 1 between either or Probe Tip and Earth Ground 40 V DC PK AC 40 V DC PK AC Attenuation Gain Setting ADA400A with 1103 10X 100X 180 TPS2000 Series Digital Oscilloscope User Manual Appendix F TPS2000 Compatible Probe Maximum Voltages ADA400A with 1103 Maximum Linear 1 V DC PK AC 100 mV DC PK AC Differential Mode Input Voltage 1 between Probe Tips Maximum Linear Common 10 V DC PK AC 10 V DC PK AC Mode Input Voltage 1 between either or Probe Tip and Earth Ground 1 The float voltage must be subtracted from the tip to earth ground voltage For example if the reference lead is floated to 30 V
134. 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 push the CH 1 MENU P 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 TPS2000 Series Digital Oscilloscope User Manual 15 Getting Started 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 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 Pusha vertical 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 16 The self calibration routine lets you optimize the oscilloscope signal path for maximum measurement ac
135. off the oscilloscope The oscilloscope recalls this setup the next time you apply power You can use the SAVE RECALL Menu to save up to ten different setups You can also save setups to the CompactFlash card The oscilloscope accommodates a Type CompactFlash card for removable mass storage See page 95 Removable Mass Storage 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 131 Save Recall Default Setup The oscilloscope is set up for normal operation when it is shipped from the factory Push the DEFAULT SETUP button to recall most of the factory option and control settings but not all Appendix D lists the default settings that will be recalled Triggering 32 The trigger determines when the oscilloscope starts to acquire data and to display a waveform When a trigger is set up properly the oscilloscope converts unstable displays or blank screens into meaningful waveforms TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions Pi a ENERET oA TTT Petey T AHTN 7 MANNE ANMAN MANN Evel nee al BON ALE AlN a aa A ri ye tT tT LALA i L oer TT TT Pit tft aon SERRE PT yr rete et Triggered waveform Untriggered waveforms For oscilloscope specific descriptions refer to the Operating Basics chapter See page 25 Trigger Controls Refer also to the Referenc
136. og as a reference 145 Set date and time 146 SET TO 50 button 25 SET TO ZERO button 24 Setups basic concepts 31 saving and recalling 131 Side menu buttons xv Sine waves Autoset function 118 SINGLE SEQ button 113 steps taken by the oscilloscope when pushed 33 Single shot signal application example 62 Slope 34 Soft case ordering 167 Soft keys xv Software OpenChoice 165 TPS2PWR 1 power analysis 166 WaveStar 166 Source AC Line 140 Ext 139 Ext 10 139 Ext 5 139 trigger 33 138 140 141 Specifications oscilloscope 151 P2220 probe 162 Square wave Autoset function 119 Status miscellaneous 145 system 144 Store battery packs 108 192 TPS2000 Series Digital Oscilloscope User Manual Subtract waveforms Math menu 127 Sweep delayed 126 horizontal scale 126 Sync pulse 141 Sync video polarity 140 video trigger line or field 141 T TIFF file format 87 Time base 36 Main 24 125 readout 20 Window 24 126 Time cursors 41 120 Time domain waveform 75 TPS2PWR1 application ordering 166 TPS2PWR1 manual ordering 169 TPSBAT battery pack manage power 101 ordering 165 TPSCHG battery charger ordering 166 Transit case ordering 167 Trickle charge battery packs 102 TRIG MENU button 25 TRIG VIEW button 25 TRIGGER LEVEL control 25 Index Trigger coupling 34 138 139 definition 32 edge 137 force 143 frequency readout 20 138 142 holdoff 25 127 144 lev
137. on Autorange 114 When you push the AUTORANGE button the oscilloscope activates or deactivates the Autorange function An LED light turns on 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 light turns on Vertical and Tracks and adjusts both axes Horizontal 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 TPS2000 Series Digital Oscilloscope User Manual Reference The following conditions cause autorange to adjust settings Too many or too few waveform periods for a clear display of the trigger source except when in Vertical Only Waveform amplitude too large or too small except when in Horizontal Only Ideal trigger level changes 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 ST
138. on Positions the Math waveform Vertical Scale Changes the scale of the Math waveform Measure Type Selects the type of automatic measurement for each source Save Recall Action Sets the transaction as save or recall for setup files waveform files or screen images Use also to display or remove Ref waveforms from the display File selection Selects setup waveform or image files to save or selects setup or waveform files to recall 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 width of the pulse when the Trigger Type option is set to Pulse Utility gt File Utilities File selection Selects files to rename or delete See page 146 File Utilities Name entry Renames the file or folder See page 147 Rename File or Folder Utility gt Options gt Set Date and Time Value entry Sets the value for the date and time See page 146 Setting the Date and Time AUTORANGE Displays the Autorange Menu and activates or deactivates the autoranging function When autoranging is active the adjacent LED lights TPS2000 Series Digital Oscilloscope User Manual 27 Operating Basics SAVE RECALL Displays the Save Recall Menu for setups and waveforms MEASURE Displays the automated measurements menu ACQU
139. ope recalls when you push this button refer to Appendix D Default Setup TPS2000 Series Digital Oscilloscope User Manual 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 displays 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 See page 140 Video Trigger Pulse Triggers on aberrant pulses See page 141 Pulse Width Trigger Edge Trigger 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 fallin
140. or probe 12 marker 19 probe terminal 12 terminal 30 Remote control using RS 232 interface 88 Removable memory storage 95 Removing waveforms 148 Renaming files or folders 147 Replace battery packs 109 Resolution fine 150 Rise time measurements automatic 130 using cursors 58 RLE file format 87 RMS measurements 130 Roll mode See Scan mode RS 232 port 85 cable part numbers 89 connecting a cable 89 connector pinout 93 setup 88 RS 232 protocol Break signals 93 T O errors 93 setup options 90 testing 91 troubleshooting 92 RUN STOP button 28 113 steps taken by the oscilloscope when pushed 33 TPS2000 Series Digital Oscilloscope User Manual 191 Index S Safety Summary iv Sample acquisition mode 35 111 Sample mode icon 19 Sample rate maximum 112 Save All menu 131 Save Image menu 132 Save Setup menu 133 Save Waveform menu 134 Save setups 32 SAVE RECALL button 27 Save Recall menu 131 Saving All files to a CF card 98 image files to a CF card 99 setups 136 waveforms 136 Scale current probe 16 149 horizontal 36 vertical 36 Scaling waveforms basic concepts 36 Scan mode 113 126 Scanning waveforms 126 Screen buttons xv Screen data saving to a file 99 sending to a printer 88 sending to an external device 88 SEC DIV control 24 126 SECAM video standard 140 Security lock 10 Self calibration 16 Service manual 169 Service battery packs 102 error l
141. ormance All replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY
142. ors or dots 122 XY format 122 YT format 122 Displaying waveforms 148 reference 136 Do Self Cal option 16 Dots display type 121 Dual time base 24 126 E Edge trigger 137 EPSIMAGE file format 87 Error Log 145 EXT TRIG connector 29 probe compensation 14 F Factory calibration 146 Factory setup 173 recalling 136 Fall time measurements 130 Features overview 1 FFT aliasing 81 remedies 82 186 TPS2000 Series Digital Oscilloscope User Manual FFT spectrum applications 75 displaying 77 magnify 82 measuring magnitude and frequency with cursors 83 Nyquist frequency 77 process 75 readouts 78 Window 78 FFT Window Flattop 80 Hanning 80 Rectangular 80 FFT zoom horizontal 77 vertical 77 Field video trigger 141 File formats for images 87 File utilities 146 CompactFlash card contents 146 creating files or folders 147 deleting files or folders 143 147 navigating the directory structure 147 renaming files or folders 147 selecting files or folders 146 Fine resolution 149 Firmware updates 147 Flattop window 80 Floating measurements 3 Folders creating 147 deleting 143 147 renaming 147 FORCE TRIG button 25 Index Format CompactFlash card 96 display 122 image file 87 printer 86 Frequency cursors 41 FFT spectrum 83 Frequency measurements 129 FFT cursors 83 using cursors 55 Frequency trigger readout 20 138 Front panel illumination 145 F
143. posed metal parts do not connect the reference lead to voltages above 30 Vrus 2 Push the CH 1 MENU button 3 Push Probe gt Voltage gt Attenuation and set to match the attenuation of the voltage probe 4 Push the CH 2 MENU button 5 Push Probe gt Current gt Scale and set to match the scale of the current probe TPS2000 Series Digital Oscilloscope User Manual 53 Application Examples 6 Push the AUTOSET button 7 Push MATH MENU P Operation gt x multiply 8 Push Sources gt CH1 x CH2 NOTE The vertical units of the instantaneous power waveform are VA Operation Sources 7 0 A ne a N Vertical Scale 100nvA Voltage Current Power 9 To obtain a better view of the Math instantaneous power waveform you can use the following oscilloscope functions 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 54 TPS2000 Series Digital Oscilloscope User Manual Appl
144. protection for the oscilloscope when you transport it from one place to another The required soft case fits inside the transit case Refer to the www tektronix com web site for a list of other compatible high voltage and current probes TPS2000 Series Digital Oscilloscope User Manual 167 Appendix B Accessories Table 13 Optional Power Cords and Documentation 4 QA a LL Y QV 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 A10 China 220 V 50 Hz 161 0304 00 4 channel overlay 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 071 1464 XX English provides information on the probe and 209 probe accessories boos P5120 20X Passive Hi
145. ps 1 Insert the DC connector end of the adapter into the DC INPUT connector on the back of the oscilloscope 2 Connect the appropriate power cord between the oscilloscope AC adapter and an electrical outlet TPS2000 Series Digital Oscilloscope User Manual 5 Getting Started If battery packs are installed an LED lights on the front of the oscilloscope to indicate when the battery packs are charging m e 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 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 hours on two 4 channel 4 5 hours on one battery pack 9 hours on two 6 TPS2000 Series Digital Oscilloscope User Manual Getting Started NOTE The oscilloscope displays a message when approximately 10 minutes of operating time remain on the battery packs This manual contains details on how to use charge calibrate and replace bat
146. r Manual 125 Reference 126 Options Comments Window Changes the display to show the waveform segment expanded to screen width within the window zone Set Trigger 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 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 SECI DIV Knob Horizontal Scale Use to 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
147. ral 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 TPS2000 Series Digital Oscilloscope User Manual Math FFT Time domain YT waveform lt Center 2048 data points Discontinuities VV Without windowing 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 TPS2000 Series Digital Oscilloscope User Manual 79 Math FFT Time domain YT waveform lt a With windowing Center 2048 data points T oa vn Point by point multiply Window function Hanning YT waveform after windowing 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 t
148. rangements 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 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 PART
149. rdless 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 settings affect the trigger signal such as trigger coupling TPS2000 Series Digital Oscilloscope User Manual 25 Operating Basics Menu and Control Buttons Multipurpose knob a AUTORANGE SAVE RECALL MEASURE ACQUIRE AUTOSET RUN APPLICATION UTILITY CURSOR DISPLAY 1420n esas STOP OR SAVE Refer to the Reference chapter for detailed information on the menu and button controls Multipurpose Knob The function is determined by the displayed menu or selected menu option When active the adjacent LED lights The next table lists the functions Active menu or option Knob function Description Cursor Cursor 1 or Positions the selected cursor Cursor 2 Display Contrast Changes the contrast of the display 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 Set Trigger Sets the amount of time before Holdoff another trigger event can be accepted See page 144 Trigger Holdoff 26 TPS2000 Series Digital Oscilloscope User Manual Active menu or option Knob function Operating Basics Description Math Positi
150. reduces the possibility of FFT aliasing See page 81 FFT Aliasing However the oscilloscope also displays less frequency resolution 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 Source channel for the Math FFT 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 and position any transient or burst waveforms as closely as possible to the center of the screen 76 TPS2000 Series Digital Oscilloscope User Manual Math FFT 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 See page 81 FFT Aliasing 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 from DC 0 Hz to the Nyquist frequency 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 vertica
151. rigger coupling Other Front Panel Items PROBE COMP TYPE 1 ComPactFlash ee APPLICATION BATTERY 5V IkHz TL f a CHARGING gt 9 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 TPS2000 Series Digital Oscilloscope User Manual 29 Operating Basics 30 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 Use to electrically match a voltage probe to the oscilloscope input circuit See page 14 Manual Probe Compensation The probe compensation reference lead connects to earth ground and is then considered to be a ground terminal when using the oscilloscope AC adapter See page 3 Taking Floating Measurements CAUTION When using the AC adapter do not connect a voltage source to any exposed metal as this may damage the oscilloscope or the circuit under test TPS2000 Series Digital Oscilloscope User Manual Understanding Oscilloscope Functions This chapter contains general information that you need to understand before you use an oscilloscope To use your oscilloscope effecti
152. rinter follow these steps 1 Power on the oscilloscope RS 232 port Centronics port 2 Push UTILITY 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 Option Settings Comments PRINT Prints You can set the PRINT Button button to perform other functions See page 98 Using the Save function of the PRINT Button Printer Port Centronics RS 232 Communications port used to connect the oscilloscope to a printer or computer Printer DPU411 DPU412 Type of device connected to Format 1 DPU3445 Thinkjet the communications port or Deskjet Laser Jet Bubble file format Jet Epson Dot Epson C60 Epson C80 BMP PCX TIFF RLE EPSIMAGE Layout Portrait Landscape Printer output orientation 86 TPS2000 Series Digital Oscilloscope User Manual Communications RS 232 and Centronics Option Settings Comments Ink Saver On Off Prints the screen image on a white background Abort Stops sending the screen Printing image to the printer 1 Refer to the www Tektronix com printer_setup Web page for a list of compatible printers The next table lists the file formats File format Extension Comments BMP 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 TIF
153. ront panel buttons and knob labels Multipurpose knob All upper case Tektronix TPS2024 Option buttons First letter of each word on screen is upper case NOTE Option buttons may also be called screen buttons side menu buttons bezel buttons or soft keys The gt delimiter separates a series of button pushes For example UTILITY gt Options gt RS232 Setup means that you push the UTILITY front panel button then push the Options option button and then push the RS232 Setup option button Multiple pushes of an option button may be required to select the desired option xvi TPS2000 Series Digital Oscilloscope User Manual Getting Started TPS2000 Series Digital Storage Oscilloscopes are small lightweight benchtop oscilloscope you can use to take ground referenced measurements 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 General Features The next table and list describe the general features Model Channels Bandwidth Sample rate TPS2012 2 100 MHz 1 0 GS s TPS2014 4
154. rus the tip voltage to the reference lead is limited to 270 V ams TPS2000 Series Digital Oscilloscope User Manual 181 Appendix F TPS2000 Compatible Probe Maximum Voltages 182 TPS2000 Series Digital Oscilloscope User Manual Index A Abbreviating commands 94 Abort printing 87 AC adapters battery charger 105 166 oscilloscope 5 165 AC coupling trigger 138 vertical 148 Accessories 165 ACQUIRE button 28 111 Acquire menu 111 Acquire signals basic concepts 35 Acquisition modes 35 111 Average 35 113 indicators 19 Peak Detect 35 112 Sample 35 111 Acquisition live display 114 single shot example 62 stopping 114 Add waveforms Math menu 127 Aliasing check for 38 FFT 81 time domain 37 Amplitude cursors 41 120 Amplitude measurements using cursors 55 APPLICATION button 28 Application examples analyzing a differential communication signal 51 analyzing signal detail 59 automatic measurements 44 autoranging to examine test points 50 autoset using 45 averaging using 61 calculating amplifier gain 49 capturing a single shot signal 62 cursors using 54 isolated channels to analyze a differential signal 51 looking at a noisy signal 60 measuring propagation delay 64 measuring pulse width 56 measuring ring amplitude 55 measuring ring frequency 55 measuring rise time 58 measuring two signals 48 optimizing the acquisition
155. s 97 Using the Save function of the PRINT Button 98 Managing TPSBAT Battery Packs 101 Maintaining Battery Packs ecceeceeeee eee eee een e ees 102 General Charging Guidelines c ce eeeeee cence eee ees 102 Checking the Charge and Calibration Status 103 Charging TPSBAT Battery Packs ese eee cece eee 104 TPS2000 Series Digital Oscilloscope User Manual Table of Contents Calibrating Battery Packs cece eeee eee enee eee enne ees 106 Handling Battery Packs ereere rreren 108 Storing and Transporting Battery Packs 0eeee ee 108 Replacing Battery Packs cccceeeeeeeee cent eeeeees 109 Reference zenne a cots Gale A EE A N est 111 IA CQUITE esera a eea eae E E E S bats 111 Application nres vccate ei ce beaded Peace mantad cat nee cine 114 AUtoT ane daeina coda bahia de dmeastapinerbes aA 114 AULOSCL cate cote e le era trate tee recta ie tan le ena seattle 116 CURSOR p21 cs hcsceyersues ne debs sedans adie ntasd otads Mord es emo eee 120 DefaultSetup s x rrea ce we cce see ewan es E 121 Display ete a e debi Doras a r des ee Sa 121 Helperinaener n ee e a ete E E 125 Honzoptal peee eeeaeee enat a Aian rl fetes does AE E Boe 125 Mathie ene anit ht AEA DEA EES ENEE 127 Measles pi nnee ener Ee EEE RE DEEE EENE RORO 129 Prints 25 fi lesa SARA A Uo aa 9 Aa T E SON E NN 130 Probe Che CK necari Ravine sas bidais ARE fede eno AEE Eia 131
156. s chapter includes electrical environmental and physical specifications for the oscilloscope and the P2220 probe E The Appendix B Accessories chapter briefly describes standard and optional accessories TPS2000 Series Digital Oscilloscope User Manual xiii Preface The Appendix C 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 E The Appendix E Font Licenses chapter provides the licenses to use specific Asian fonts The Appendix F TPS2000 Compatible Probe Maximum Voltages chapter lists the maximum voltages of compatible probes Help System xiv 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 General information about understanding and using the oscilloscope such as Using the Menu System Information about specific menus and controls such as the Vertical Position Control m Advice about problems you may face while using an oscilloscope such as Reducing Noise The Help system provides several ways to find the information you need context sensitive help hyperlinks and an index Context Sensitive Help The oscilloscope displays information about the last menu displayed on the screen whe
157. s 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 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 and may cause narrow pulses to be missed See page 37 Time Domain Aliasing 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 acquire 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 TPS2000 Series Digital Oscilloscope User Manual 35 Understanding Oscilloscope Functions 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 adjus
158. s one trigger and when it is ready to detect another The oscilloscope 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 Trigger level o Indicates J J We trigger points Holdoff Holdoff Holdoff Triggers are not recognized during holdoff time To use Trigger Holdoff push the HORIZ MENU gt Set Trigger 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 Utility Push the UTILITY button to display the Utility Menu 144 TPS2000 Series Digital Oscilloscope User Manual Options Settings Reference Comments System Status Summary of the oscilloscope settings Options Front Panel Backlight Enables Illumination of the front panel Printer Setup Displays the setup for the printer See page 86 Printer Setup RS232 Setup Displays the setup for the RS 232 port See page 88 Set Date and Time Sets the date and time See page 146 Error Log Do Self Cal Displays a list of any errors logged and the Power Cycle count This log is useful if you contact a Tektronix Service Center for help Performs a self calibration File Utilities Displays folder file and CF card options See page 146
159. show the ground 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 By icon indicates that the channel is bandwidth limited TPS2000 Series Digital Oscilloscope User Manual 19 Operating Basics 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 Edge trigger for the rising edge Edge trigger for the falling edge Video trigger for line sync he Video trigger for field sync Pulse Width trigger positive polarity 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 20 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 Directions to access another menu such as when you push
160. slower time base settings The Normal mode 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 138 TPS2000 Series Digital Oscilloscope User Manual Reference Use the Normal 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 To perform a Single Sequence acquisition push the SINGLE SEQ button Source Options Source option Details CH1 CH2 CH3 1 Triggers on a channel whether or not the waveform CH4 is 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 the 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 the 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 1 Available only on a 4 channel oscilloscope NOTE To view an Ext Ext 5 or Ext 10 trigger signal push and hold down the TRIG VIEW button Coupling Coupling allows you to filter the trigger signal used to trigger an acquisition Option Details DC Passes all compon
161. sor 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 the Reference chapter See page 129 Taking Measurements TPS2000 Series Digital Oscilloscope User Manual 41 Understanding Oscilloscope Functions 42 TPS2000 Series Digital Oscilloscope User Manual 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 communication signal E Viewing an instantaneous power waveform m 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 43 Application Examples Capturing a single shot signal Optimizing the acquisition Measuring propagation delay E Triggering on a pulse width E Triggering on a video signal Triggering on video fields and video lines Using the window func
162. st numbered channel when Autoset was invoked Ifno signals are found and no channels are displayed then the oscilloscope displays and uses channel 1 TPS2000 Series Digital Oscilloscope User Manual 117 Reference 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 Troubleshooting one stable signal 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 Viewing video signals or FFT signals 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 Details ANN Displays several cycles with appropriate ne vertical and horizontal scaling the oscilloscope Multi cycle sine displays Cycle RMS Frequency Period and Peak to Peak automatic measurements S Sets the horizontal scale to display about one cycle of the waveform the oscilloscope Single cycle sine displays Mean and Peak to Peak automatic measurements Nn Converts the input time domain signal into its frequency components and displays the result FFT as a graph of frequency vers
163. t 10 0 us 25 0 MS s 12 5 MHzt 25 0 us 10 0 MS s 5 0 MHz 50 0 us 5 0 MS s 2 5 MHz 100 0 us 2 5 MS s 1 25 MHz 250 0 us 1 0 MS s 500 0 kHz 500 0 us 500 0 kS s 250 0 kHz 1 0 ms 250 0 kS s 125 0 kHz 2 5 ms 100 0 kS s 50 0 kHz 5 0 ms 50 0 kS s 25 0 kHz 10 0 ms 25 0 kS s 12 5 kHz 25 0 ms 10 0 kS s 5 0 kHz 50 0 ms 5 0 kS s 2 5 kHz 100 0 ms 2 5 kS s 1 25 kHz 250 0 ms 1 0 kS s 500 0 Hz 500 0 ms 500 0 S s 250 0 Hz 10s 250 0 S s 125 0 Hz 2 5 S 100 0 S s 50 0 Hz 5 0s 50 0 S s 25 0 Hz 10 0 s 25 0 S s 12 5 Hz 25 0 s 10 0 S s 5 0 Hz 50 0 s 5 0 S s 2 5 Hz Depending on the oscilloscope model t Bandwidth reduced to 6 MHz with a P2220 probe set to 1X TPS2000 Series Digital Oscilloscope User Manual 39 Understanding Oscilloscope Functions Taking Measurements 40 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 cursors 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
164. t 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 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 This manual contains more details on the UTILITY File Utilities menu See page 146 File Utilities TPS2000 Series Digital Oscilloscope User Manual 97 Removable Mass Storage Using the Save function of the PRINT Button 98 You can change the function of the PRINT button through one of the following options E SAVE RECALL P Save All gt PRINT Button UTILITY gt Options gt Printer Setup 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
165. t the time base to a horizontal scale that suits your purpose use the SEC DIV knob Scaling and Positioning Waveforms 36 You can change the display of waveforms 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 indicator located on the left of the graticule identifies each waveform on the display The indicator points to the ground reference level of the waveform record You can view the display area and readouts See page 18 Display Area 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 waveform The waveform display will contract or expand relative to the ground reference level For oscilloscope specific descriptions refer to the Operating Basics chapter See page 23 Vertical Controls Refer also to the Reference chapter See page 148 Vertical Controls 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
166. tery packs For example battery packs need to be calibrated to accurately report available operating time See page 101 Managing TPSBAT Battery Packs 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 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 real the attery pack LL Battery Pack 1 TPS2000 Series Digital Oscilloscope User Manual 7 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 battery packs in an oscilloscope or with the TPSCHG external battery charger See page 104 Charging TPSBAT Battery Packs Power Cord Use only power cords designed for the AC adapter for the oscilloscope or external charger The AC adapter for the oscilloscope and external charger requires
167. 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 Information about the action the oscilloscope performed such as when you push the DEFAULT SETUP button Default setup recalled Information about the waveform such as when you push the AUTOSET button Square wave or pulse detected on CH1 Using the Menu System The user interface of the oscilloscopes 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 TPS2000 Series Digital Oscilloscope User Manual 21 Operating Basics The oscilloscope uses several methods to display menu options E 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 Circular List The oscilloscope sets the parameter to a different value each time you push the option button For exa
168. tion to see waveform details E 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 44 TPS2000 Series Digital Oscilloscope User Manual Application Examples CH 1 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 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 adjust these controls NOTE The oscilloscope displays relevant automatic measurements in the waveform area of the screen based on the signal type that is detected For oscilloscope specific descriptions refer to the Reference chapter See page 116 Autoset TPS2000 Series Digital Oscilloscope User Manual 45 Application Examples Taking Automatic Measurements The oscilloscope can take automatic measurements of most displayed signals NOTE If a question mark appears in the Value readout the signal is outside the
169. type and rating Recharge Batteries Properly Recharge batteries for the recommended charge cycle only Use Proper AC Adapter Use only the AC adapter specified for this product 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 TPS2000 Series Digital Oscilloscope User Manual v General Safety Summary vi Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking m WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product The following symbol s may appear on the product A DH a Chassis Ground Standby TPS2000 Series Digital Oscilloscope User Manual Compliance Information This section lists the EMC electromagnetic compliance safety and environmental standards with which the instrument complies EMC Complia
170. unctional check 11 G Graticule 40 121 Ground coupling 148 H Hanger 8 attaching 8 Hanning window 80 Help scroll LED xiv Help system xiv Helpful messages 20 High voltage warning 4 Holdoff 127 144 HORIZ MENU button 24 Horizontal aliasing time domain 37 menu 125 position marker 19 position 36 scale 37 Scan mode 113 126 status 145 Hyperlinks in help topics xv TPS2000 Series Digital Oscilloscope User Manual 187 Index T O errors RS 232 report 93 Icons acquisition modes Average 19 acquisition modes Peak Detect 19 acquisition modes Sample 19 Bandwidth limited readout 19 channel scale 19 date and time readout 20 horizontal position marker 19 inverted waveform readout 19 Math marker 54 Reference marker 19 reference waveforms readout 20 time base readout 20 trigger position marker 19 trigger status Acq Complete 19 trigger status Armed 19 trigger status Auto mode 19 trigger status Ready 19 trigger status Scan mode 19 trigger status Stop 19 trigger status Trig d 19 trigger type Edge 20 trigger type Pulse Width 20 trigger type Video 20 trigger frequency readout 20 trigger level marker 19 trigger level readout 20 trigger position readout 19 trigger source 20 vertical scale 19 window time base readout 20 Illumination color models 145 Image file formats 87 Index for help topics xv Indicators 19 Infrequent events infinite persist
171. urement also displays when you select the Rising Edge option in the AUTOSET Menu See page 119 Square Wave or Pulse Analyzing Signal Detail 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 TPS2000 Series Digital Oscilloscope User Manual 59 Application Examples 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 Contrast and the 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 60 TPS2000 Series Digital Oscilloscope User Manual 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 e
172. urrent folder location named NEW_FOL and displays the Rename menu for changing the default folder name Rename filename or folder Displays the Rename screen to rename a folder or file described next Delete filename or folder Deletes the selected file name or folder a folder must be empty before you can delete it Confirm Delete Displays after pressing Delete to confirm a file delete action Pressing any button or knob other than Confirm Delete cancels the file delete action Format Formats the CF card this deletes all data on the CF card Update Firmware Follow the on screen directions to set up and push the Update Firmware option button to start updating firmware Rename filen or folder Displays the Rename screen to rename a file or folder see the next topic Rename File or Folder You can change the names of files and folders on the CF card TPS2000 Series Digital Oscilloscope User Manual 147 Reference Option Settings Comments Enter A Z 0 9 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 Character Changes the
173. us magnitude spectrum because this is a mathematical calculation refer to the Math FFT chapter for more information See page 75 Math FFT Undo Autoset Causes the oscilloscope to recall the previous setup 118 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 Details ff Displays several cycles with appropriate vertical ae and horizontal scaling the oscilloscope displays Multi cycle square Pk Pk Mean Period and Frequency automatic measurements Sets the horizontal scale to display about one cycle of the waveform the oscilloscope displays Single cycle square Min Max Mean and Positive Width automatic measurements a Displays the edge and the Rise Time and Peak to Peak automatic measurements Rising edge 4 Displays the edge and the Fall Time and Peak to Peak automatic measurements Falling edge Undo Autoset Causes the oscilloscope to recall the previous setup 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 Details BA zs Displays several fields and the oscilloscope triggers on any field Fields All Fields m Displays one comp
174. v 4 div x s div to 20 ms 25 ns div to 100 us div 4 div x s div to 50 ms 250 us div to 10 s div 4 div x s div 4 div x s div to 250 s 25 s div to 50 s div TPS2000 Series Digital Oscilloscope User Manual 155 Appendix A Specifications Table 5 Trigger Specifications Characteristics Description Trigger Sensitivity Coupling Sensitivity Edge Trigger Type pc CH1 CH2 CH3 14 div from DC to CH41 10 MHz 1 5 div from 10 MHz to 100 MHz 2 div from 100 MHz to 200 MHz 2 EXT 1 Vpp from 50 Hz to 100 MHz 2 Vp p from 100 MHz to 200 MHz 2 EXT 5 5X the value of EXT EXT 10 10X the value of EXT Trigger Sensitivity Coupling Sensitivity Edge Trigger AC Same as DC coupled limits from 50 Hz Type typical and above NOISE REJ Reduces the DC coupled trigger sensitivity by 2 times for gt 10 mv div to 5 Vidiv 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 156 TPS2000 Series Digital Oscilloscope User Manual Appendix A Specifications Table 5 Trigger Specifications cont Characteristics Description Trigger Level Source Range Range CH1 CH2 CH31 8 divisions from center of screen CH41 EXT 4 V EXT 5 20 V EXT 10 35 V Trigger Level Accuracies are for signals having rise and fall times 220 ns Accurac
175. vely you need to learn about the following functions Setting up the oscilloscope Triggering Acquiring signals waveforms Scaling and positioning waveforms Measuring waveforms The next figure shows a block diagram of the various functions of the oscilloscope and their relationships to each other Vertical Acquire data Waveform gain and mode and record gt Display position time base 2500 points Each channel Computer or printer interface EXT TRIG Setting Up the Oscilloscope You should become familiar with several functions that you may use often when operating your oscilloscope Autoset Autorange saving a setup and recalling a setup Using Autoset Each time you push the AUTOSET button the Autoset function obtains a stable waveform display for you It automatically adjusts the vertical TPS2000 Series Digital Oscilloscope User Manual 31 Understanding Oscilloscope Functions 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
176. y typical Source Accuracy Internal 0 2 div 5 mV within 4 divisions from the center of the screen EXT 6 of setting 250 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 Operates with input signals 50 Hz 50 typical Default Settings Coupling is AC and Auto mode except for a single sequence Video Trigger acquisition Sensitivity Video Trigger Type typical Composite video signal Source Range Internal Pk pk amplitude of 2 divisions EXT 1V EXT 5 5 V EXT 10 10 V Signal Formats and Field Rates Video Trigger Type Supports NTSC PAL and SECAM broadcast systems for any field or any line Holdoff Range 500 ns to 10 s 1 Available only on a 4 channel oscilloscope 2 TPS2024 only TPS2000 Series Digital Oscilloscope User Manual 157 Appendix A Specifications Table 6 Pulse Width Trigger Specifications Characteristics Description Pulse Width Trigger when lt Less than gt Greater than Equal or Not Trigger modes Equal Positive pulse or Negative pulse Pulse Width Equal The oscilloscope triggers when the trailing edge of the Trigger 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 t
177. y 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 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 6 Battery Packs 2 Apply external power from the oscilloscope AC adapter The green BATTERY CHARGING indicator on the front panel lights and the battery pack begins to charge immediately TPS2000 Series Digital Oscilloscope User Manual Managing TPSBAT Battery Packs External Charge You can use the optional TPSCHG battery charger to externally charge battery packs Appendix B includes information on optional accessories See Table 12 on page 166 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 LED color Status None No battery is in the
178. ync 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 Push the TRIG MENU button to see the Trigger Menu 2 Push the top option button and select Video 3 Push the Syne option button and select All Lines or Line Number and turn the multipurpose knob to set a specific line number 4 Push Standard gt NTSC 5 Turn the SEC DIV knob to see a complete video line across the screen 6 Turn the VOLTS DIV knob to ensure that the entire video signal is visible on the screen TPS2000 Series Digital Oscilloscope User Manual Application Examples Incoming video signal 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 and 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 wi

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