Manual for 60MHz Four Channel USB Oscilloscope
Contents
1. Automatic cursor tracking measurements Waveform storage record and replay dynamic waveforms User selectable fast offset calibration Add Subtract and Multiply Mathematic Functions Selectable 20 MHz bandwidth limit External trigger Waveform average Adjustable waveform intensity more effective waveform view User interface in several user selectable languages 72 10175 DIGITAL OSCILLOSCOPE General Check Please check the instrument for the following steps before use Check the shipping container for damage Keep the damaged shipping container or cushioning material until the contents of the shipment have been checked for completeness and the instrument has been checked mechanically and electrically Check the accessories Accessories supplied with the instrument are listed in Accessories in this guide If the contents are incomplete or damaged please notify the distributor Check the instrument In case there is any mechanical damage or defect or the instrument does not operate properly or fails performance tests please notify the distributor Probe Compensation Perform this function to match the characteristics of the probe and the channel input This should be performed whenever attaching a probe to any input channel at the first time From the Probe menu select attenuation to 1 10 Set the switch to X10 on the probe and connect it to CH1 of the oscil2. Control Setting Control ON OFF Source CHi Source CH1 yf Source Select the Pass Fail channel Output FAIL Output USER S MANUAL Select the Pass Fail output condition Stop When Output _ Stop When Output If it was checked the Pass Fail will stop when output Mask Setting v ertical 0 014 Dl Horizontal Creste Vertical Vertical m Set the vertical limit range Horizontal Horizontal Set the horizontal limit ra Create button Click this button to create Pass Fail area according to the mask Save button Click this button to save the setups to file Load button Click this button to load the saved setups file Information Display 72 10175 DIGITAL OSCILLOSCOPE Fail Displays the fail waveform number Pass Displays the pass waveform number Total Displays the total Pass Fail waveform number Operation Operation Start Stop Click Start button to start the Pass Fail test Click Stop button to stop the Pass Fail test The Pass Fail function display 91 USER S MANUAL NOTE Pass Fall function is unavailable In X Y mode and Roll mode 92 72 10175 DIGITAL OSCILLOSCOPE Capturing a Single Shot Signal To capture a single event it needs to gather some pre test knowledge of the signal in order to set up the trigger level and slope correctly For example if
3. 65 USER S MANUAL horizontal parameters The Cross cursor display window i L i i EI E 1 L 4 The Cross measure result displays status bar oe Freq 6 Sa0KHz Time 15905 2 Trace r Volt 2 007 The Trace cursors appear as vertical lines on the display and measure the waveform amplitude at the point the waveform crosses the cursor The Trace cursor display window 66 72 10175 DIGITAL OSCILLOSCOPE The Trace cursor measure result displays on status bar Volt 1 D1V 3 Vertical The Vertical cursors appear as vertical lines on the display and measure the vertical parameters The Vertical cursor display window 67 USER S MANUAL 1 1 1 J E 1 The Vertical cursor measure result displays on status bar 4 Freq 6 552 Time 15305 4 Horizontal The Horizontal cursors appear as horizontal lines on the display and measure the hori zontal parameters The Horizontal cursor display window 68 72 10175 DIGITAL OSCILLOSCOPE Ls The Horizontal cursor measure result displays on status bar Volt 2 00 Measure Menu Click Measure in main menu The oscilloscope provides 20 parametric auto measurements 12 voltage and 8 time measurements source Ver
4. ONOFF Time ADI 50 0005 Drag Ref Data Len The Reference Channel Function On Off Turn on off the reference channel VolIt DIV Select the resolution of the reference channel Load Load the reference waveform from the rfc file from your computer Save Save the current reference waveform to your computer as rfc format Save Reference Save the current reference waveform to your computer as rfc for mat You can change the vertical scale of a waveform The waveform display will contract or expand relative to the reference level Load Click Load to load the rfc file that was selected The load file window will appear Save Click Save to save the waveform to rfc file The saved source window appears USER S MANUAL Selecta channel The save file window will appear after you selected the saved source The Reference Waveform Display Window HA aie BEM Time 50 0005 Note If you turn on the Reference channel the load file window will appear 46 72 10175 DIGITAL OSCILLOSCOPE Setup Horizontal System Change Time Div The Time Div Time Div Selects the horizontal Time DIV scale factor for the main or the window time base The Horizontal Panel Horizontal Time FDP SO 00us Format vr E Click the blue knob can change Time Div If the waveform acquisition is stopped Time Div control expands or compresses the
5. The 72 10175 is small lightweight portable oscilloscope which does not require external power The 72 10175 is ideal for production test research design and any other applica tions involving analog circuits test and troubleshooting as well as education and training In addition to the list of general features on the next page this chapter describes how to do the following tasks m System Requirements m install your product m General Features m General Check m Perform a probe check and compensate probes m Match your probe attenuation factor m Use the self calibration routine B Accessories 72 10175 DIGITAL OSCILLOSCOPE System Requirement To run the oscilloscope software the needs of computer configuration are as follows Minimum System Requirements Operating System Window NT 2000 XP VISTA Win7 Processor 1 00GHz processor Memory 256MB Disk Space 500M disk free space Screen resolution 800 x 600 Recommended Configuration Operating System Windows XP SP3 System Processor 2 4G Processor Memory 1GB Memory Disk Space 80GB Disk Space Screen resolution 1024 x 768 or 1280 x 1024 resolution DPI Setting Normal Size 960 USER S MANUAL Install Software Caution You must install the software before using the oscilloscope 1 While in Windows insert the installation CD into the CD ROM drive 2 The installation should start up automatically Otherwise in Windows Explore
6. nis ee 2 ON OFF Turn on or off the selected channel 30 72 10175 DIGITAL OSCILLOSCOPE ONJAOFF 3 VOLTS DIV Set the selected channel voltage range VOLTS Dv 1 00 4 Coupling Set the selected channel to DC AC counting 5 Probe Set the Select one according to the probe attenuation factor to ensure correct vertical scale reading 6 BW Limit Reject the frequency component higher than 20MHz Limit 7 Invert Invert the selected wave Invert USER S MANUAL The Horizontal System Click Setup Horizontal The following figure shows the Horizontal System window It shows the horizontal pa rameters settings Horizontal Setup TENMA 72 10175 DIGITAL OSCILLOSCOPE The Trigger System Click Setup Trigger The following figure shows the trigger system control 2 Trigger Sweep Selects the trigger sweep mode to AUTO NORMAL or SINGLE USER S MANUAL Trigger Sweep 3 Tirgger Source Selects the trigger source to CH1 CH2 ALT EXT or EXT 10 rigger Source 4 Trigger Slope Selects the edge trigger slope to Positive or Negative slope rigger Slope 72 10175 DIGITAL OSCILLOSCOPE Input Connector CH1 CH2 CH3 CH4 Input connectors for waveform display EXT Input connector for an external trigger source Use the Trigger Menu to select the Ext or Ext 10 trigger source Other Connector GND Ground terminal USB PORT Connect
7. 20MHz Bandwidth Limit typical Lower Frequency Response 3dB lt 10Hz at input BNC Rise Time at BNC typical 5 8ns Trigger Condition Trigger when Less than gt Greater than Equal or Not Equal Positive pulse or Negative pulse Signal Formats and Field Supports NTSC PAL and SECAM broadcast 103 Measurement Cursor Amplitude difference between cursors AV Time difference between cursors At Reciprocal of At in Hertz 1 At Cross Trace Horizontal Vertical Voltage Vp p Vmax Vmin Vmean Vamp Vtop Measurement Vbase Vmid Vrms Vcrms Preshoot Auto Measure Overshoot Time Frequency Period Rise Time 10 90 Measurement Fall Time 10 90 Positive Width Negative Width Duty Cycle Frequency Counter Readout Resolution 6 digits Non operating 15000m or below 104 72 SERIES DIGITAL OSCILLOSCOPE Accessories X1 X10 four passive probes The passive probes have 7974 6MHz bandwidth rated 100Vrms CAT III when the switch is in the X1 position and a maximum bandwidth rated 300Vrms CAT 1 when the switch is the X10 position Each probe consists of all necessary fittings Tx A power adapter special for this product In addition to the power adapter shipped with your instrument you may purchase another one certified for the country of use A USB A B line used to connect external devices with USB B interface like a pr
8. Source CH1 Trigger Slope High Frequency Rejection Select HF Rejection in Trigger Setup window 72 10175 DIGITAL OSCILLOSCOPE Irigger Setup Trigger Made Edge Trigger Sweep ALTO Trigger Source CHI Trigger slape HF Rejection Cancel The user can turn on HF Rejection to ignore triggers from higher frequencies 20M above Set Pulse Trigger Pulse trigger occurs according to the width of pulse The abnormal signals can be de tected through setting up the pulse width condition Mode Select the trigger mode to Pulse Trigger Mode Sweep Set the sweep mode to AUTO NORMAL or SINGLE Trigger Sweep ALTO AUTO Acquire waveform even when no trigger occurred 51 NORMAL Acquire waveform when trigger occurred SINGLE Acquire waveform when trigger occurred then stop 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 BNC Trigger Source CH1 CH1 Select CH1 as trigger signal CH2 Select CH2 as trigger signal CH3 Select CH3 as trigger signal CH4 Select CH4 as trigger signal EXT Select EXT as trigger signal PW Condition Set the PW Condition to the following condition PY Condition More Pulse width more than set pulse condition Less Pulse width less than set pulse condition Equal Pulse
9. the B Type Plug of USB cable to this port CAL Probe compensation output USER S MANUAL Chapter 3 Understanding Oscilloscope Functions Set Oscilloscope Set Vertical System Set Horizontal System m Set Trigger System Save Load Utility Function Measure Signal Zoom In Out Waveforms Acquire Signal m Print 72 10175 DIGITAL OSCILLOSCOPE Setup the Oscilloscope Using AUTOSET to display a signal automatically Auto setup functions one time each time you push the AUTOSET button The function obtains a stable waveform display for you It automatically adjusts the vertical scale horizontal scale and trigger settings Auto setup also displays several automatic meas urements in the graticule area depending on the signal type Connect a signal to the CH1 input 1 Connect a signal to the oscilloscope as described above 2 Click the Acquire gt Autoset button The oscilloscope will change the current settings to display this signal Save Setup The oscilloscope software saves the current setup before you close the oscilloscope software The oscilloscope recalls this setup the next time you run the software You can use the Save Setup menu to permanently save up to several different setups Load Setup The oscilloscope can recall the last setup before the oscilloscope software was running any saved setups or the factory setup You can use the Load Setup menu
10. the event is derived from 3 3V COMS logic a trigger level of 1 2 or higher Volts should work on a rising edge Do these steps as follows 1 Set the probe and the channel attenuations to X 10 2 Set up the trigger in the Trigger Menu or in the Trigger Setting window 1 Adjust the Trigger Mode to Edge 2 Set the Trigger Sweep to Single 3 Set the Trigger Source to CH1 4 Set the Trigger Slope to which means you select the rising edge 5 Adjust the Volts Div and the time base in a proper range for the signal 6 Drag the trigger level sign on the waveform display screen to proper position It s usu ally higher a little above the normal level 7 Click START button to start capturing When the trigger conditions are met data ap pears on the display representing the data points that the oscilloscope obtained with one acquisition This function helps to capture the signal occurrence easily such as the noise with large amplitude set the trigger level higher a little above the normal level and press and wait When noise occurs the instrument will record the waveform before and after the trigger 93 USER S MANUAL The Application of the X Y Operation X Y Plot acts to analyze correlation of data of two channels Lissajous diagram is displayed in the screen when you use X Y Plot which enables to compare frequencies amplitudes and phases of counterpart waveform against the reference waveform This makes it possible t
11. these locations Use the check boses below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM Include this lacation in the search cuments and Settings s dministratarD esktopsDrryee Don t search will choose the driver ta install Choose this option to select the device driver fram a list Windows does not guarantee that the driver you choose will be the best match for your hardware 6 New hardware search wizard starts to search the driver USER S MANUAL Found Mew Hardware Wizard Please wait while the wizard searches 7 New hardware wizard installs USB DRIVER 72 10175 DIGITAL OSCILLOSCOPE Found Mew Hardware Wizard Please wait while the wizard installs the software Setting a system restore point and backing up old files in your system needs to be restored in the Future Cancel 8 The wizard has finished installing for USB DRIVER d Found New Hardware Xx Your new hardware is installed and ready to use USER S MANUAL General Features Product features Four channel Bandwidth 60MHz Maximum real time sample rate 200MSa s m Memory depth 10K 16M points Automatic setup for ease of use AUTOSET Pass Fail m Built in Fast Fourier Transform function FFT 20 Automatic measurements
12. trigger point The oscilloscope continues to acquire data while waiting for the trigger condition to occur The oscilloscope continues to ac quire enough data so that it can draw the waveform to the right of the trigger point after it detects a trigger The Edge trigger determines whether the oscilloscope finds the trigger point on the ris ing or the falling edge of a signal Select Edge trigger mode to trigger on Rising edge or Falling edge Mode Select the trigger mode Trigger due L Tiry 7 Sweep Set the sweep mode to Auto Normal or Single Trigger Sweep AUTO Ww Auto Acquire waveform even when no trigger occurred Normal Acquire waveform when trigger occurred Single Acquire waveform when trigger occurred then stop 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 BNC Trigger Source CH1 EI l 49 USER S MANUAL CH1 Select CH1 as trigger signal CH2 Select CH2 as trigger signal CH3 Select CH3 as trigger signal CH4 Select CH4 as trigger signal EXT Select EXT as trigger signal Slope Set the slope to Rising or Falling Trigger Slope Rising Trigger on rising edge Falling Trigger on falling edge The user can also change the trigger setting on trigger panel in sidebar Trigger Trigger Edge ka Trigger Sweep Auto Trigger
13. width equal to set pulse condition More Pulse width more than set pulse condition Less Pulse width less than set pulse condition Equal Pulse width equal to set pulse condition Pulse Width The Pulse Width adjust range is 10ns 10s When the condition is met it will trigger and acquire the waveform 72 10175 DIGITAL OSCILLOSCOPE Pulse Fidth Setting Setting Pulse Width Cancel The user can also change the trigger setting on trigger panel in sidebar Trigger Trigger Mode Pulse Trigger Sweep AUTO v Trigger Source Condition Pulse Width 10 0ns When the alternative trigger is on the trigger sources come from two vertical channels This mode can be used to observe two non related signals You can choose two different trigger modes for the four vertical channels Set ALT System Mode Select the trigger mode Trigger Mode ALT Trigger Channel Set the Trigger Channel to CH1 CH2 CH3 or CH4 USER S MANUAL Trigger Channel Trigger Type Set the Trigger Type to Edge or Pulse PW Condition Set the PW Condition to the following condition Puy Condition More Pulse width more than set pulse condition Less Pulse width less than set pulse condition Equal Pulse width equal to set pulse condition More Pulse width more than set pulse condition Less Pulse width less than set pulse condition Equal Pulse width equal to set pu
14. 0175 DIGITAL OSCILLOSCOPE Simple Measurement To acquire and display a signal follow these steps 1 Connect signal to CH1 by using probe 2 Click the AUTO button on toolbar or Acquire gt Auto Setup on menu The Tenma set the vertical horizontal and triggers controls at the best status automatical ly Also you can adjust the controls to meet your measurement to optimize the waveform display To measure the frequency and Vpp follow these steps 1 Click the Measure gt Horizontal gt Frequency button the frequency of the signal display on the bottom of the waveform interface 2 Click the Measure gt Vertical gt Peak to Peak button the Vpp of the signal will also display on the bottom of the waveform interface 3 To clear the measurement on the waveform interface click the Measure gt Clear Measure button d 339334 93334 R R ey ee j TERES 1 88 72 10175 DIGITAL OSCILLOSCOPE Pass Fail Test The Pass Fail function monitors changes of signals and outputs pass or fail signals by comparing the input signal with the pre created mask Pass Fail Control Mask Vertical Source CH1 d Horizontal Diy Stop When Output Create Save Operate
15. BNC of CH1 and insert then turn right to lock the probe Finally attach the tip of probe and ground nip to the Connector of Probe compensator 2 Set the CH1 probe attenuation of the oscilloscope to X10 The default is X1 20 72 10175 DIGITAL OSCILLOSCOPE 3 Attach the tip of probe and ground nip to the Connector of Probe compensator Click the button A square wave will be displayed within a several seconds Approximately 1 kHz 2V peak to peak 4 Inspect CH2 CH3 and CH4 with the same method Repeat steps 2 and 3 Self Calibration The self calibration routine lets you optimize the oscilloscope signal path for maximum measurement accuracy You can run the routine at any time but you should always run the routine if the ambient temperature changes by 5v or more For accurate calibra tion power on the oscilloscope and wait twenty minutes to ensure it is warmed up To compensate the signal path disconnect any probes or cables from the input connectors Then access the Utility gt Calibration option and follow the directions on the screen The self calibration routine takes about several minutes 21 USER S MANUAL All the accessories listed below are standard accessories for the oscilloscope m Probex2 1 5m 1 1 10 1 Passive Probes m A User s Guide An USB Cable APC software of the oscilloscope 72 10175 DIGITAL OSCILLOSCOPE Chapter 2 Oper
16. EENMA USERSMANUAL Tenma 72 10175 www tenma com Tenma Test Equipment 405 S Pioneer Blvd Springboro OH 45066 CE 72 10175 DIGITAL OSCILLOSCOPE USER S MANUAL 72 10175 USER S MANUAL Content General Safety Summary CHAPTER 1 Getting Started System Requirement Install Software install R47 Ert General Features General Probe CompernsallOE coeant jo rn neta Functional Check s Self Calibration Accessaries CHAPTER 2 Operating Basics The User s Inerface The Vertical System The Horizontal System The Trigger System eec Input Connectiors CHAPTER 3 Functions Set Ocsilloscope Set Vertical System Set Horizontal System Set Trigger System Save Load Utility Function Measure Signal The Display System Zoom In Out and Drag waveforms Interpolation CHAPTER 4 Application Example Simple Measurement Pass Fail Test Taking Cursor Measurements CHAPTER 5 ADDODUIX secus execs Appendix A Appendix B TENMA 72 10175 CC DIGITAL OSCILLOSCOPE General Safety Summary Review the following safety precautions carefully before operate the device to avoid any personal injuries or damages to the device and any products connected to it To avoid potential hazards use the device as s
17. actory Setup Click Factory Setup in Utility menu to load default setups Record Pass Fail F C d Calibration ETS Calibration Factory Setup Language d 63 USER S MANUAL When you click the Factory Setup in Utility menu the oscilloscope displays the CH1 and CH2 waveforms and removes all other waveforms The oscilloscope set up for normal operation when it is shipped from the factory and can be recalled at anytime by user The Factory Setup function does not reset the following settings m Language option m Date and time Language Click Language Utility menu Utility Record Pass Fail F C Calibration ETS Calibration Factory Setup wv Default English par English Deutsch There are four languages in Language menu The default language is English 72 10175 DIGITAL OSCILLOSCOPE Measure Signal Cursor Menu Click Cursor in main menu Source Type d This method allows you to take measurements by moving the cursors 1 Source d B CH4 MATH The user can set the source to CH1 CH2 CH3 CH4 and MATH When you use cursors be sure to set the Source to the waveform on the display that you want to measure 2 Type Source v Cross Trace Vertical Horizontal There are four types of cursors Cross Trace Vertical and Horizontal 1 Cross The Cross cursors appear as cross lines on the display and measure the vertical and
18. at the position that you want traced of the wave in the waveform window Trace the Amplitude 9g USER S MANUAL fi l I j 1 j j l 7 1 f 1 i Read the details showing the status bar Volt BTTmV Note Click Cursor gt Type select Cross you can measure time and amplitude at one time 100 72 10175 DIGITAL OSCILLOSCOPE Chapter 5 Appendix Appendix A Specifications Appendix General Maintenance USER S MANUAL Appendix A Specifications Specifications Table Acquisition Sample Mode Real Time Sample Sample Rate 200MSa s Average N acquisitions all channels simultaneously N is selectable from 2 4 8 16 64 and 128 Input Input Input Couplin DC AC GND Input Impedance Resistance 1MQ Capacitance 25pF PP 80 PP 150 PP 200 10X Probe Attenuation Supported Voltage Probe Attenuation Factors Maximum Input Voltag 400Vpk DC peak Horizontal Scanning Speed Range Sec Div 5ns div 1000s div 1 2 5 sequences Sample Rate and 21 Delay Time Accuracy SOppm any interval 21ms Wave form Interpolation Step Linear Sin x x Memory Depth Sample Points 10K 16M for each channel 16M 5ns div 1000s div Analog Bandwidth 60MHz 3dB 8 bit resolution CAG 10 5V div x1 probe 1 2 5 sequence Range 100mV 50V div x10 probe 102 72 10175 DIGITAL OSCILLOSCOPE Selectable Analog
19. ating Basics The User s Interface The Menu System The Vertical System The Horizontal System The Trigger System Input Connectors USER S MANUAL The User s Interface Click the software icon on the desk after you finished the software setting and equipment connecting Then a user interface will be showed as follows 4 Trigger Wicca Ege Trigger Sate AUTO a Tiger CHI i In addition to displaying waveforms the display area is filled with many details about the waveform and the oscilloscope control settings 1 The Main Menu All settings can be found in the main menu 2 The Toolbar 3 Displays the trigger information Displays the edge trigger slope source and level 4 The Horizontal Panel 24 72 10175 DIGITAL OSCILLOSCOPE The user can change Time Div format in the panel 5 The Vertical Panel The user can turn on off the CH1 CH2 CH3 CH4 Also the user can change the CH1 CH2 CH3 CH4 volt div coupling and probe attenuation 6 The Trigger Panel In this panel the user can change the trigger mode sweep source and slope T Displays the system time 8 Marker shows Edge trigger level 9 Displays the main time base setting 10 Displays the CH4 information Readouts show the coupling of the channels Readouts show the vertical scale factors of the channels A icon indicates that the channel is bandwidth limited 11 Displays the CH3 inf
20. atus dialog is displayed during copying of files TENMA 72 10175 DIGITAL OSCILLOSCOPE Verl 0 0 1 Copying File C Program Files TE NMA 7 2 300004 T E M MA All Files Time Remaining minutes 0 seconds Back Next gt ise Installation Wizard 7 Updating Your System Configuration Updating System Configuration Please Vall USER S MANUAL 8 The installation is complete iS 2 Verl 0 0 1 TENMAY Wer 0 0 7 has been successfully installed Click the Finish button to exit this installation Cancel 72 10175 DIGITAL OSCILLOSCOPE Install Driver 1 Connect the A Type Plug of USB cable to your PC S USB port 2 Connect the B Type Plug of USB cable to USB S USB port 3 New hardware is found J Found New Hardware TEN AAA 72 Xxxxx DRIVER 4 New hardware search wizard starts USER S MANUAL Found New Hardware Wizard This wizard helps install software for TEM BAAS T 2 RRNER If your hardware came with an installation CD QE floppy disk insert it now What do want the wizard to do CO Install the software automatically Recommended Click Next to continue 5 Select the specific location 72 10175 DIGITAL OSCILLOSCOPE Found New Hardware Wizard Please choose your search and installation options Search for the best driver in
21. ck MATH in Channel menu to set MATH channel The MATH Setup window 42 72 10175 DIGITAL OSCILLOSCOPE BATH Setup Setting OMADFF Operate source CH1 v Source CH vw OA AxB FFT VOLTS D 200mv Cancel ON OFF Turn On Off the MATH Channel Source Set the sources of the math channel Operate Set operates type of the math channel Volt DIV Set the resolution of the math channel Probe Set the math channel probe attenuation Invert Turn on off the invert function The mathematic functions include addition subtract multiply and FFT for CH1 H2 CH3 and CH4 Source A B Source A and Source B Menu s urce CH V 43 USER S MANUAL Operate Four Types A B Add source A and source B A B Subtract source B from source A AxB Multiply source A by source B Convert a time domain signal into its frequency components spectrum In this function use the addition subtraction multiplication and FFT function to operate and analyze the waveform Select the operation type in the Operate menu Select source A and B Then adjust the vertical scale and offset to view the math channel clearly The mathematic result can be measured by the measure and the cursor The Math Function Display Set Reference 44 72 10175 DIGITAL OSCILLOSCOPE Click REF in Setup menu to set REF channel Setting
22. enuation Setting Select the attenuation factor for the probe To check the probe attenuation setting toggle the probe menu to match the attenuation factor of the probe This setting remains in effect before you changed again USER S MANUAL Click Probe in Vertical Setup window to select the probe attenuation Probe x1 The probe setting window in the sidebar vertical ON OFF Note The attenuation factor changes the vertical scale of the oscilloscope so that the measurement results reflect the actual voltage levels at the probe tip Invert The invert function turns the displayed waveform 180 degrees with respect to the ground level When the oscilloscope is triggered on the inverted signal the trigger is also inverted Click Invert in Vertical window The following picture shows the waveform before inversion 72 10175 DIGITAL OSCILLOSCOPE CHI ny NEAN TES AY Time 1 000us The following picture shows the waveform of inversion 41 USER S MANUAL Time 1 000us Set the Channel Bandwidth Limit The oscilloscope is set to full bandwidth and will pass the high frequency component in the signal if the BW Limit was turned off The oscilloscope will reject the frequency component higher than 20MHz if the BW Limit was turned on When the BW Limit was turned on a sign will be displayed at the bottom of display screen Set Math Cli
23. inter or to establish communications between PC and the oscilloscope A software installation CD It contains the user manual of Tenma 72 giving particular descriptions on the Tenma 72 series oscilloscopes 105 72 SERIES DIGITAL OSCILLOSCOPE Appendix B General Maintenance General Care Do not store or leave the oscilloscope where the device will be exposed to direct sunlight for long periods of time Caution To avoid damages to the device or probes do not expose them to sprays liquids or solvents Cleaning Inspect the device and probes as often as operating conditions require Make sure to disconnect from all power sources 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 2 Use a soft cloth to clean the device Caution To avoid damages to the surface of the device or probes not use any abrasive or chemi cal cleaning agents 106
24. isplay Cursor Measure Acquire Utility Window Help 1 File Load or Save data setup m 11 Hew Ctrlti Close m Load Data LtrltL Load Setup cave ata Ctrlts cave Setup Save Image Print CtrltF Print Preview Print Uption Exit 2 View Change the user interface 26 72 10175 DIGITAL OSCILLOSCOPE iv _ v Toolbar w Status Bar w Side Bar 3 Setup Setup setting REF Ctrl k MATH Ctrl M Trigger CtrltT Vertical Ctrlty Horizontal CtrltH 4 Display Change wave display type Type wv Grid Ctrl g 5 Cursor Set Cursor measure type Source Type d 6 Measure Set measurement parameters cource Vertical Horizontal Clear Measure CtrltM 7 Acquire Run Stop or other operation setting 27 USER S MANUAL v Eun Ctrl k Stop 1 Zoom Out Zoom In Irag Buffer Length Acquisition Interpolation Autaset 8 Utility Utility setting Utility Record Pass Fail F C Calibration Factory Setup Language 9 Window Window setting Window Cascade Vertical Horizontal Arrange Icons Ww 1 Scopel 11 Help Access help file TENMA 72 10175 DIGITAL OSCILLOSCOPE Contents Fl About F9 USER S MANUAL The Vertical System Click Setup gt Vertical The following figure shows the vertical Setup window It shows the vertical parameters setting Yertical Setup Tr M D Tank fat A z
25. loscope When using the probe hook tip insert the tip onto the probe firmly to ensure a proper connection m Attach the probe tip to the Probe Compensator and the reference lead to the ground connector select CH1 and then press the AUTOSET button into the menu or the toolbar m Check the shape of the displayed waveform USER S MANUAL Correctly Compensated Over compensated 72 10175 DIGITAL OSCILLOSCOPE Under Compensated m f necessary use a non metallic tool to adjust the trimmer capacitor of the probe for the flattest square wave being displayed on the oscilloscope m Repeat if necessary WARNNING To avoid electric shock while using the probe be sure the perfection of the insulated cable and do not touch the metallic portions of the probe head while it is con nected with a voltage source Function Check Perform this functional check to verify that your oscilloscope is operating correctly m Connect the oscilloscope You should connect the A Type Plug of USB cable to your PC USB port and connect the B Type Plug of USB cable to oscilloscope USB port USER S MANUAL m input a signal to a channel of the oscilloscope The oscilloscope is equipped with four channels plus external trigger Please input signal in the following steps 1 Set the attenuation switch on the probe as 10X and connect the probe on the oscil loscope with CH1 Allign the slot in the probe connector at the end on
26. lse condition Pulse Width The Pulse Width adjust range is 10ns 10s When the condition is met it will trigger and acquire the waveform Pulse Width Setting Pulse Width Cancel The user can also change the trigger setting on trigger panel in sidebar 54 72 10175 DIGITAL OSCILLOSCOPE r Trigger Trigger Made Trigger Channel PW Condition Less Pulse 10 0n Save Load Save Click File in main menu to save waveform setups and screen Hew CtrltH Close Load Data UtrltL Load Setup cave Data Ctrlts cave Setup cave Image Print CtrltF Print Preview Print Option Exit 1 Save Data Save waveform data as a type file USER S MANUAL 2 Save Setup Save the current oscilloscope setup to file 3 Save Image Save the software display window as a bmp or jpg file Load Click File in main menu to recall saved waveform setup Hew Ctrlti Close Load Data CtrltL Load Setup cave Data Ctrlts cave Setup Save Image Print CtrltF Print Preview Print Uption Exit 1 Load Data Load the waveform that had saved as a type file 2 Load Setup Load the instrument that had saved 72 10175 DIGITAL OSCILLOSCOPE Utility Function Record and Play Back Click Record in Utility menu Utility Record Pass Fail F C Calibration ETS Calibration Factory Setup Language The Record window will display The foll
27. n this acquisition mode the oscilloscope acquires several waveforms aver ages them and displays the resulting waveform You can use this mode to reduce random noise ETS In this acquisition mode you can test high frequency cycle signal USER S MANUAL Print And Print Preview Hew CtrltH Close Load Data Ctrlth Load Setup save lata Ctrlts cave Setup save Image Trib Civ ltr Print Preview Print Uption Exit 1 Click Print in File menu to set the printer to print the current waveform The Print report 72 10175 DIGITAL OSCILLOSCOPE Test Report Dat 05 03 2010 Tine 095050 CH2 BSS CH EE CH CHi 1000 AC CH2 1000 AC CH3 1007 AC CHE 100V AC NOTE x1 x1 x1 x1 BU Lim tt G FF EV Lin tt G FF EW Lim tt FF BU Lin tt G FF hwertoFF 59 005 huertoFF 50 005 huertoFF 50 005 hwertoFF 20 085 S0 OM Sa IIMA S0 OM Sa 2 Click the PrintPreview in File menu to get into the Preview window InPrintPreview window use the Zoom button and the Zoom Out button to change the size of the waveform graph Click the Close button to turn this window off and click the Print button to print the report 85 USER S MANUAL Chapter 4 Application Examples Sample Measurement m Pass Fail Test Capturing a Single Shot Signal m The Application of the X Y m Taking Cursor Measurement 72 1
28. o Mak T ONIOFF vertical EEN o Source CHI C Stop When Output Create Save Load i Operate Start Stop The Pass Fail function monitors changes of signals and outputs pass or fail signals by comparing the input signal with the pre created mask Control Setting 72 10175 DIGITAL OSCILLOSCOPE Control Stop Ven Output urce CHI Source Select the Pass Fail channel Output FAIL Output Select the Pass Fail output condition Stop When Output _ Stop When Output If it was checked the Pass Fail will stop when output Mask Setting Vertical Horizontal Vertical Set the vertical limit range Horizontal Horizontal Set the horizontal lim Create button USER S MANUAL Click this button to create Pass Fail area according to the mask cave Save button Click this button to save the setups to file Load button Click this button to load the saved setups file Information Display Fail Displays the fail waveform number Pass Displays the pass waveform number Total Displays the total Pass Fail waveform number Operation Operation Click Start button to start the Pass Fail test Click Stop button to stop the Pass Fail test The Pass Fail function display 62 72 10175 DIGITAL OSCILLOSCOPE NOTE Pass Fall function is unavailable In X Y mode and Roll mode F
29. o compare and analyze frequency amplitude and phase between input and output Do these steps as follows 1 Set the probe attenuation to x10 Set the switch to x10 on the probes 2 Connect the CH1 probe to the input of the circuit and connect the CH2 probe to the output of the circuit 3 Click auto button 4 Adjust the vertical scale and offset to display approximately the same amplitude sig nals on each channel 5 Select X Y format at Horizontal window The oscilloscope will displays a Lissajous pat tern representing the input and the output characteristics of the circuit 6 Adjust the scale and offset of the horizontal and vertical to a desirable waveform dis play The following picture shows a typical example T Apply the Ellipse Method to observe the phase difference between the two channels Signal in X Y Format 94 72 10175 DIGITAL OSCILLOSCOPE Instruction of the Ellipse Method 95 USER S MANUAL Signal must be centered in X Sin8 or C D where phase shift in degrees between the two signals From the formula above lt or tarcsine C D must be in the range of 0 2 or 31 2 2 if the main axis of the ellipse is between and III quadrant If the main axis is at Il and IV quadrant must be in the range of 2 or 17 31 2 72 10175 DIGITAL OSCILLOSCOPE Taking Cursor Measurements Use cursors
30. ormation Readouts show the coupling of the channels Readouts show the vertical scale factors of the channels A icon indicates that the channel is bandwidth limited 12 Displays the CH2 information Readouts show the coupling of the channels Readouts show the vertical scale factors of the channels A icon indicates that the channel is bandwidth limited 13 Displays the CH1 information Readouts show the coupling of the channels Readouts show the vertical scale factors of the channels A B icon indicates that the channel is bandwidth limited 14 Displays the software status 15 The markers show the reference points of the displayed waveforms If there is no marker the channel is not displayed 16 The same above 17 The same above 18 The same above 25 USER S MANUAL 19 A window that shows the display waveform in buffer position 20 Marker shows horizontal trigger position 21 Trigger status indicates the following AUTO The oscilloscope is in auto mode and is acquiring waveforms in the absence of triggers Trig D The oscilloscope has seen a trigger and is acquiring the post trigger data WAIT All pretrigger data has been acquired and the oscilloscope is ready to accept a trigger STOP The oscilloscope has stopped acquiring waveform data RUN The oscilloscope is running PLAY The oscilloscope is displaying the record waveforms The Menu System The Main Menu File View Setup D
31. owing picture shows the Record Interface USER S MANUAL This function can record input waveform form CH1 CH2 CH3 or CH4 The maximum record length is 1000 frames Record Setup window Select record source channel CH1 CH2 CH3 or CH4 End Frame x 72 10175 DIGITAL OSCILLOSCOPE Set the number of record times The max frames are 1000 Record Record 0 Record counter displays the record frames Start button Start to record frames After you start to record waveforms this button changes to Stop button It stops recording waveforms Play back setup window Play Back Setup Start Frame 1 EndFrame 1000 5 Current Frame 1 Start Frame sum Pele Set the start frame of play back End Frame 1000 End Frame Set the end frame of play back Current Frame Current Frame x Displays the current frame of play back You can also change this number to watch the waveform one by one Play Play button Click this button to start playing back waveform It can stop playing back if you started playing back Load Load button Click this button to load a record setup Note When it plays back waveform the other channel will be turned off 59 USER S MANUAL Pass Fail Click Pass Fail in Utility menu Utility Record Pass Fail FC Calibration ETS Calibration Factory Setup Language The Pass Fail window appears Pass Fail Coni
32. pe in Display menu The following figure shows the type parameters setting Display v Grid Ctrl g Dots Intensity If the Vectors type mode is selected the waveform will be displayed as following figure If the Dots type mode is selected the waveform will be displayed as following figure 73 USER S MANUAL Display Grid Click Display in main menu Display v Grid Drei Intensity The grid shows 74 72 10175 DIGITAL OSCILLOSCOPE without the grid displayed 15 USER S MANUAL Intensity and Persistence Click Display gt Intensity in main menu The following figure shows the intensity dialog It shows the display parameters setting 76 72 10175 DIGITAL OSCILLOSCOPE Intensity setting Grid Scale Waveform USER S MANUAL oom In Out and Drag Waveforms The software will stop updating waveform after the user clicks Stop button The user can change the waveform display by adjusting the scale and position When you change the scale the waveform display will increase or decrease in size When you change the position the waveform will move up down right or left The channel reference indicator identifies each waveform on the display The indicator points to the reference level of the waveform record cquire Run Stop Zoom Out Zoom In Irag Buffer Length 4 Acquisition d Interpolation d Autoset C
33. pecified by this user s guide only m 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 m Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Connect and Disconnect Properly Connect the probe output to the measurement device before connecting the probe to the circuit under test Disconnect the probe input and the probe reference lead from the circuit under test before disconnecting the probe from the measurement device m Observe All Terminal Rating To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings informa tion before making connections to the product m Use Proper Probe To avoid shock hazard use a properly rated probe for your meas urement m Avoid Circuit or Wire Exposure Do not touch exposed connections and compo nents when power is on Do Not Operate With Suspected Failures If suspected damage occurs with the device have it inspected by qualified service personnel before further operations m Provide Proper Ventilation Refer to the installation instructions for proper ventilation of the device m Do not operate in Wet Damp Conditions m Do not operate in an Explosive Atmosphere m Keep Product Surfaces Clean and Dry USER S MANUAL Chapter 1 Getting Start
34. r switch to the CD ROM drive and run Setup exe 3 The software Installation is started Click Next to continue Jd TENEAT2 xxxxx Werl U 0 1 Welcome to 0 0 1 Setup program This program will install TENMAY Merl 0 0 7 an your computer Itis strongly recommended that vau exit all windows programs before running this Setup Pragram Chick Cancel to quit Setup and close any programs you have running Click Next to continue with the Setup program WARNING This program is protected by copyright law and International treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law 4 Choose a destination directory Click Next to continue 72 10175 DIGITAL OSCILLOSCOPE Jd 2 0 0 1 Destination Location Setup will install TEN MAY 2s0000 er 0 0 7 in the following folder install into different folder click Browse and select another folder fou can choose not to install TEN MAT 2 0000 er 0 0 7 by clicking Cancel to exit Setup Destination Folder C Program Files TEN MA 7 2 3o00cxx Browse ise Installation Wizard Cancel 5 Check the setup information Click Next to start copying of files USER S MANUAL id TENWAT2 xxxxx Verl 0 0 1 Start Installation 6 This St
35. tal Period Clear Measure Frequency Rise Time Fall Time t Duty Cycle Duty Cycle Fulse Width Fulse Width Period Time to take for the first signal cycle to complete in the waveform Frequency Reciprocal of the period of the first cycle in the waveform Rise Time Time taken from lower threshold to upper threshold Fall Time Time taken from upper threshold to lower threshold Duty Cycle Positive Duty Cycle Positive Pulse Width Period x 100 Measured of the first cycle in waveform Duty Cycle Negative Duty Cycle Negative Pulse Width Period x 10096 Measured of the first cycle in waveform USER S MANUAL Pulse Width Measured of the first positive pulse in the waveform The time between the 50 amplitude points Pulse Width Measured of the first negative pulse in the waveform The time between the 50 amplitude points 4 Clear Measure Clear all measure items on display screen The Measure Display Window 1 1 1 li 1 J 1 kam mem M fp eet Se ee ee Note The results of the automatic measurements will be displayed on the bottom of the screen Maximum 8 results can be displayed at the same time When there is no room the next new measurement result will make the previous results move left out of screen 72 TENMA72 10175 DIGITAL OSCILLOSCOPE The Display System Display Type Click Ty
36. tical d Horizontal Clear Measure 69 USER S MANUAL 1 Source Vertical Horizontal Clear Measure CH4 The user can use the Source menu to select a measure source 2 Vertical Vertical Horizontal Clear Measure Maximum Minimum Feak to Feak Pase Middle RMS Amplitude Cycle Mean Positive Overshoot Hezative Overshoot Maximum Voltage of the absolute maximum level Measured over the entire waveform Minimum Voltage of the absolute minimum level Measured over the entire waveform Peak To Peak Peak to peak Max Min Measured over the entire waveform Top Voltage of the statistical maximum level Measured over the entire waveform Base Voltage of the statistical minimum level Measured over the entire waveform Middle Voltage of the 50 level from base to top 70 72 10175 DIGITAL OSCILLOSCOPE RMS The Root Mean Square voltage over the entire waveform Amplitude Amp Base Top Measured over the entire waveform Mean The arithmetic mean over the entire waveform Cycle Mean The arithmetic mean over the first cycle in the waveform Preshoot Positive Overshoot Max Top Amp x 100 Measured over the entire waveform Overshoot Negative Overshoot Base Min Amp x 100 Measured over the entire waveform 3 Horizontal source Vertical Horizon
37. to make time and amplitude measurements on a waveform quickly Measure the Peak Frequency or Time of the First Sine Waveform Do these steps 1 Click Cursor gt Source select CH1 select CH2 if you want measure CH2 2 Click gt select Vertical 3 Push left mouse button and the vertical lines appear 4 Drag the mouse button to the point you want to measure 5 Release the left mouse button the frequency difference and time difference will be shown at the status bar Measure the Frequency and Time USER S MANUAL Read the details showing in the status bar Freq 8 313EHz Time 10115 Measure the Amplitude of the First Waveform Peak of the Waveform Do these steps 1 Click Cursor gt Source select CH1 select CH2 if you want measure CH2 2 Click gt select Horizontal 3 Push left mouse button and the Horizontal lines appear 4 Drag the mouse button to the point you want to measure 5 Release the left mouse button the voltage difference will be shown at the status bar Measure the Amplitude 98 72 10175 DIGITAL OSCILLOSCOPE Read the details showing in the status bar Volt 1 doy Trace the Amplitude of a fixed position on X axis in a Waveform Do these steps 1 Click Cursor gt Source select CH1 select CH2 if you want trace CH2 2 Click gt select Trace 3 Click the cursor
38. to perma nently recall a setup Factory Setup The oscilloscope software is set up for normal operation when it is shipped from the fac tory This is the factory setup To recall this setup push the Factory Setup menu 37 USER S MANUAL Set Vertical System Set Channel Click Vertical in Setup Menu The Channel Selection Select Channel The Channel Control Panel in sidebar vertical CH1 v ONIOFF 100v S AC The Vertical function Turn ON Off Turn on off the channel Volt DIV Select the channel voltage div Coupling Select the channel coupling Probe Select the channel probe attenuation Filter Select software filter Reset Set the channel vertical position to zero Invert Turn on off the invert function BandWidth Limit Limit the channel bandwidth to 20MHz to reduce noise Change Volt DIV You can click Volt Div in Vertical Setup window to select the voltage VOLTS J DIV OD 72 10175 DIGITAL OSCILLOSCOPE You can also change the selected channel voltage in sidebar Vertical ON OFF Te Em v You can left click and drag the mouse on the knob to change the voltage Set Channel Coupling Click Coupling in Vertical Setup window Coupling AC v In the sidebar you can change the channel coupling too Vertical You can set the coupling to DC AC or GND If you set the coupling to DC it blocks the AC component of the input signal Probe Att
39. trlta Zoom In Out The user can click Zoom In Out in Acquire menu then left or right click the mouse button on display screen to zoom in out the waveform Also the user can change Time Div in Horizontal menu or in Horizontal panel to zoom in out the waveform Drag The user can modify the waveform position after clicked Drag in Acquire menu fol lowing the following steps 78 72 10175 DIGITAL OSCILLOSCOPE Drag Paveform Operation 1 Select Channel 2 Set the Move Step USER S MANUAL Interpolation At the time base 40ns div or faster user can use the 3 different interpolation mode to get waveforms of different clarity The Step Interpolation The Linear Interpolation 80 72 10175 DIGITAL OSCILLOSCOPE The Sin x x Interpolation 81 USER S MANUAL Note The default interpolation mode is Sin x x Acquisition When you acquire a signal the oscilloscope converts it into a digital form and displays a waveform The acquisition mode defines how the signal is digitized and the time base setting affects the time span and level of detail in the acquisition 82 72 10175 DIGITAL OSCILLOSCOPE Acquisition Modes There are two acquisition modes Normal and Average w Hormal Feak Detect ETS Normal In this acquisition mode the oscilloscope samples the signal in evenly spaced intervals to construct the waveform Average I
40. waveform Change Format Click Time Div you can Set the Time base in Horizontal Setup window Time DIV In the Format item set the waveform display format Y T X Y and Roll Y T Show the relative relation between vertical voltage and horizontal time Roll In Roll Mode the waveform display updates from right to left X Y Show CH1 value at X axis CH2 value at Y axis 47 USER S MANUAL In Roll mode the waveform display rolls from right to left No trigger or horizontal offset control of waveforms is available during Roll Mode and it s only available when set to 1s div or slower Note If the time div bigger than 1s the format will change to Roll mode automatically Change Horizontal Position Double click the channel button to set the trigger point to the horizontal center of the screen Horizontal position changes the displayed waveform position relative to the trigger point The user can drag y on screen to change the horizontal position __ MA 72 10175 DIGITAL OSCILLOSCOPE Set Trigger System Set Edge Trigger The trigger determines when the oscilloscope starts to acquire data and display a wave form When a trigger is set up properly it can convert unstable displays or blank screens into meaningful waveforms If the oscilloscope wants to acquire a waveform it collects enough data so that it can draw the waveform to the left of the
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