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Tektronix THS3014, User Manual

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Tektronix THS3014 User Manual Download Page 39

Operating Basics

This is a the wrong way to connect reference leads. Noise that is picked up by
reference lead 4 can be transmitted by parasitic capacitance to the analog input
ampli

fi

er. (See Figure 12.)

Figure 12: Wrong connection of reference leads

THS3000 Series Oscilloscopes User Manual

23

Summary of Contents for THS3014

Page 1: ...xx THS3000 Series Oscilloscopes ZZZ User Manual P077060702 077 0607 02...

Page 2: ......

Page 3: ...THS3000 Series Oscilloscopes ZZZ User Manual xx www tektronix com 077 0607 02...

Page 4: ...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 Tek...

Page 5: ...es 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 a...

Page 6: ......

Page 7: ...nknown Signal with Autoset or AutoRange 29 Automatic Measurements 31 Stop the Display 34 Average Persistence and Glitch Capture 35 Acquire Waveforms 38 Pass Fail Testing 46 Recorder Functions 47 Plot...

Page 8: ...d PC Communication 100 Appendix C Probe Compensation and Compatible Maximum Voltages 103 Compensate Voltage Probes 103 Compatible Probe Maximum Voltages 105 Appendix D Battery Pack 107 Save Battery Li...

Page 9: ...Display with Autoset 30 Figure 18 Display with AutoRange 31 Figure 19 Hz and V peak peak as measurements 33 Figure 20 Frozen stopped display 34 Figure 21 Live running display 35 Figure 22 Using persi...

Page 10: ...Table of Contents Figure 39 Instrument USB connections 98 Figure 40 Compensating voltage probes 104 iv THS3000 Series Oscilloscopes User Manual...

Page 11: ...le 6 Oscilloscope Inputs 82 Table 7 Automatic measurement specifications 86 Table 8 Recorder 89 Table 9 Zoom Data Log and Cursors 89 Table 10 Display 90 Table 11 Power 90 Table 12 Probe Calibration Ou...

Page 12: ...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...

Page 13: ...N 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 indica...

Page 14: ...General safety summary viii THS3000 Series Oscilloscopes User Manual...

Page 15: ...ns and features of the instrument operate See page 47 The Appendix A Specifications chapter includes electrical environmental physical specifications for the instrument and certifications and complian...

Page 16: ...fied Chinese and Traditional Chinese on the Product Documentation CD that shipped with your instrument and for download at www tektronix com manuals Performance verification procedures Performance Ver...

Page 17: ...ed handheld oscilloscopes ideal for the lab and field General Features Four fully isolated input channels Volts Time Frequency and Watts cursor measurements Bright high contrast QVGA color display 7 h...

Page 18: ...e four black buttons beneath the menu item you want to select See Figure 1 To navigate through a submenu Use the up down right and left arrow keys to navigate through submenus that may appear To selec...

Page 19: ...modes The MEASURE submenu In addition to waveforms the instrument can also display four measurements A B C D which are independently selectable Each measurement corresponds to any input Ch 1 Ch 2 Ch...

Page 20: ...rence On Off New Recall Pass Fail Testing Off Pass Fail Testing Store Fail Pass Fail Testing Store Pass Autoset AutoRange Pressing the Autoset button results in the automatic setup of all active chann...

Page 21: ...allows you to view and adjust cursors as follows The CURSOR submenu This menu allows you to turn select from the following cursor types Single vertical cursor Two vertical cursors Two horizontal curs...

Page 22: ...tion vertical button to move a waveform up or down along the display grid Run Stop Press the Run Stop button to start and stop acquisition When acquisition is running the word RUN is displayed in the...

Page 23: ...y screen Scale vertical Use the Scale vertical button to shrink or expand the vertical scale of the display grid for the selected input channel The value is displayed in the left bottom portion of the...

Page 24: ...e in more detail The WIDTH menu Available for Pulse Width trigger only Press the Vertical Position button to adjust the pulse width The CONDITION menu Available for Pulse Width trigger only Press this...

Page 25: ...functioning correctly compensate passive probes using the built in compensation signal and set the time and date You should perform all initial setup procedures the first time you use the instrument...

Page 26: ...prevent risk of fire do not use any AC adapter with this product other than the AC adapter provided by Tektronix with this instrument Power On 1 If you are using a battery pack go to step 2 If you are...

Page 27: ...The color of the trace corresponds to the color of the channel input button on the front panel 3 Connect a voltage probe to the Ch 1 input BNC on the instrument top panel The color at the base of each...

Page 28: ...s To reset the instrument to the factory default settings do the following 1 Press the power button on the front panel to turn on the instrument 2 Press the Utility button 3 Select Options 4 Press the...

Page 29: ...and away from the instrument until it locks See Figure 3 Kensington Lock This instrument has a security slot compatible with a Kensington lock The Kensington Security Slot along with a locking cable...

Page 30: ...ung you can attach a hook handle optional accessory To attach the hook handle close the tilt stand screw the hook handle into the back of the instrument and then hang the instrument where needed See F...

Page 31: ...dle To attach the hanging strap to the instrument thread it through the bars on the top right and left sides of the instrument and secure the ends as shown in the following figure You can now hang the...

Page 32: ...Introduction 16 THS3000 Series Oscilloscopes User Manual...

Page 33: ...tion 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...

Page 34: ...solated from the reference inputs of the other input sections See Figure 7 The isolated input architecture of this instrument offers the following advantages Simultaneous measurement of independently...

Page 35: ...r oscilloscopes with isolated inputs references are not connected together inside the instrument Therefore each reference of the used inputs must be connected to a reference voltage Independently floa...

Page 36: ...stand The maximum measurement voltage from the probe tip and BNC signal to the probe reference lead The maximum floating voltage from the probe reference lead to earth ground The maximum measurement v...

Page 37: ...r 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 Parasitic capacita...

Page 38: ...t the references to a system ground or another stable voltage If the reference of an input is connected to a high speed and or high voltage signal you should be aware of parasitic capacitance See Figu...

Page 39: ...onnect reference leads Noise that is picked up by reference lead 4 can be transmitted by parasitic capacitance to the analog input amplifier See Figure 12 Figure 12 Wrong connection of reference leads...

Page 40: ...the green voltage probe to the channel 4 input Connect the short ground lead of each voltage probe to its own reference potential See Figure 13 Figure 13 Making voltage probe connections on four chann...

Page 41: ...ments Connection using a ground spring The following image shows a voltage probe connection using a ground spring WARNING To avoid electrical shock or fire do not connect the ground spring to voltages...

Page 42: ...d electrical shock reapply the insulation sleeve over the probe tip when the hook clip is not used This also avoids the risk of accidently interconnecting the reference contact of multiple probes when...

Page 43: ...The ground ring is shown here WARNING To avoid electrical shock always use the insulation sleeve or the probe tip when using the probe reference ground lead The voltage applied to the reference lead...

Page 44: ...page 29 Display an Unknown Signal with Autoset or AutoRange 3 Press the function button to select Input Options and select the desired attenuation and bandwidth settings Read more about attenuation a...

Page 45: ...e Autoset function provides a one time setup of the vertical horizontal and trigger systems of the instrument The Autoranging function provides continuous auto setup of vertical horizontal and trigger...

Page 46: ...option for the signal frequency is similar to the automatic trigger option for the signal frequency However the Autoset option determines the behavior of the Autoset function and effects show only whe...

Page 47: ...the right side of the screen The zero icon beneath the waveform identifier on the left side of the screen identifies the ground level of the waveform See Figure 18 Figure 18 Display with AutoRange Au...

Page 48: ...he measurement to that channel and select the measurement parameters Select Hz for frequency View a Hz and V Peak Peak Measurement To choose also a Peak Peak measurement for channel 2 as a second read...

Page 49: ...nt The character size will be reduced when more then two readings are on See Figure 19 Figure 19 Hz and V peak peak as measurements NOTE You can set the parameters for all four measurements and assign...

Page 50: ...of the display screen and the Run Stop button is illuminated See Figure 20 Figure 20 Frozen stopped display Press the Run Stop button again to unfreeze the display RUN will appear in green in the top...

Page 51: ...m samples with and without smoothing are shown here See Table 1 Smooth a Waveform With Averaging To smooth a waveform using averaging do the following 1 Press the Acquire button 2 Select ACQUIRE OPTIO...

Page 52: ...nce Envelope and Dot Join to Display Waveforms You can use persistence to observe dynamic signals See Figure 22 1 Open the ACQUIRE OPTIONS menu 2 From the Waveform submenu black highlight Persistence...

Page 53: ...OSE to exit the menu You can use this function to display events glitches or other asynchronous waveforms of 8 ns due to ADC s with 125 MS s sampling speed or wider or you can display HF modulated wav...

Page 54: ...re the instrument can display a signal the signal must pass through the input channel where it is scaled and digitized Each channel has a dedicated input amplifier and digitizer Each channel produces...

Page 55: ...set the amplitude of a reference signal to exactly 6 divisions The input sensitivity of a range can be increased up to 2 5 times for example between 10 mV div and 4 mV div in the 10 mV div range NOTE...

Page 56: ...rm To use the HF reject filter on a desired input channel do the following 1 Press the channel button for the active input to view the menu 2 Select INPUT OPTIONS 3 Select the 20 kHz HF reject bandwid...

Page 57: ...nel for an A and B source 5 Once you have selected the function and sources a new menu will appear and you should select from the options that menu provides The menu varies by function as follows x XY...

Page 58: ...ct of side lobes leakage it is recommended to use Auto windowing This will automatically adapt the part of the waveform that is analyzed to a complete number of cycles Selecting Hanning Hamming or no...

Page 59: ...se setting does not enable the instrument to display an FFT result It is either too slow which can result in aliasing or too fast which results in less than one signal period on the screen Figure 23 F...

Page 60: ...play on and off toggle function by selecting ON or OFF under the FFT menu item Compare Waveforms You can display a fixed reference waveform with the actual waveform for comparison To create a referenc...

Page 61: ...eform 6 Or select New to open the NEW REFERENCE menu and select the width of an additional envelope to be added to the momentary waveform 7 Press Enter to store the momentary waveform and display it p...

Page 62: ...ropriate reference waveform for the Pass Fail test is a waveform envelope To use the Pass Fail function using a waveform envelope do the following 1 Display a reference waveform as described in the pr...

Page 63: ...rt a trend plot do the following 1 Make an automatic measurement The following steps will then plot that information See page 31 Automatic Measurements 2 Select RECORDER REPLAY from the Acquire button...

Page 64: ...eadings of the measurements and displays these as a graph The TrendPlot graph moves from right to left like a paper chart recorder When the instrument is in automatic mode automatic vertical scaling i...

Page 65: ...tart Scope Roll Mode To record the channel 1 and channel 2 waveform do the following 1 Apply signals to the channel 1 and channel 2 inputs 2 Select RECORDER REPLAY from the Acquire button menu 3 Selec...

Page 66: ...Roll Mode To record an electrical event that causes a fault it might be useful to start or stop recording on a trigger signal Start on trigger to start recording recording stops when the deep memory i...

Page 67: ...n deep memory during recording The last twelve recorded divisions are displayed on the screen Use View All to display the full memory contents NOTE You can learn more about Single Shot triggering See...

Page 68: ...s the Run Stop button You can also use the Replay function to store and view signals even if you did not press Run Stop Use the options in the DATA LOG REPLAY menu to review stored screens Replay an A...

Page 69: ...urn to access the data again without saving it first by pressing the Save button Select YES Capturing 100 Trigger Events Automatically When you use the instrument in triggered mode 100 trigger event s...

Page 70: ...e 27 Zooming in on a Waveform NOTE To turn off the Zoom function select OFF under the ZOOM item of the menu Use Cursors Cursors allow you to make precise digital measurements on waveforms This can be...

Page 71: ...down arrow keys to position the lower cursor NOTE Even when the key labels are not displayed at the bottom of the screen you still can use the arrow keys This allows full control of both cursors while...

Page 72: ...current probes and mWs milliwatts per second when you are using the Mathematical function x and the probe type for one channel is voltage and another channel is current If you are taking cursor measur...

Page 73: ...s the time difference between the two cursors and the voltage difference between the two markers See Figure 29 Figure 29 Time measurement with vertical cursors Use Rise time or Fall time Cursors on a...

Page 74: ...hown at 90 6 Press the function key under the MOVE menu item to highlight the lower cursor 7 Use the up and down arrow keys to position the lower cursor to 0 of the trace height A marker is shown at 1...

Page 75: ...Analyze Waveforms Figure 30 Risetime measurement using cursors THS3000 Series Oscilloscopes User Manual 59...

Page 76: ...then selecting TRIGGER OPTIONS and then TRIGGER CONDITIONS Automatic Auto Level trigger mode enables the instrument to set the trigger level automatically and track with changes in signal amplitude No...

Page 77: ...ng Video triggering Pulse Width triggering Choose a Trigger Type You can select from the following trigger types Table 3 Trigger types Trigger type Trigger conditions Edge Trigger on a rising falling...

Page 78: ...s off triggering to display complex unknown signals To manually optimize trigger level and slope do the following 1 Press the Autoset button to perform an auto set When the process is complete RUN wil...

Page 79: ...using pretrigger negative delay or trigger delay respectively Initially you will see a half screen 6 divisions of negative delay Set trigger delay Hold down the horizontal Position left button until t...

Page 80: ...Automatic Trigger In the trigger menu you can change settings for automatic triggering as follows 1 Press the Trigger button 2 Select TRIGGER OPTIONS from the menu 3 Select Automatic Auto Level 4 Sel...

Page 81: ...instrument needs a trigger to display a waveform Use this mode to update the screen only when valid triggers occur Single Shot the instrument waits for a trigger After receiving a trigger the wavefor...

Page 82: ...ngle shot trigger To make a single shot measurement do the following 1 Press the Trigger button 2 Select TRIGGER OPTIONS 3 Select Trigger Conditions 4 Select Single Shot The word SINGLE will appear in...

Page 83: ...able picture of n event burst waveforms Each next trigger is generated after the waveform has crossed the trigger level N times in the direction that complies with the selected trigger slope To select...

Page 84: ...vent triggering Trigger On Video Signals To trigger on a video signal first select the standard of the video signal you are going to measure as follows 1 Press the Trigger button 2 Select TRIGGER OPTI...

Page 85: ...f the next line immediately after the instrument triggers on the horizontal synchronization pulse To view a specific video line in more detail you can select the line number by pressing the function b...

Page 86: ...ument is now prepared to trigger on narrow pulses only A new menu will appear from which you can further define settings In this screen the pulse width was set to 4 80 s All positive pulses equal to 4...

Page 87: ...measurement with the recalled operating configuration NOTE Saved data are stored in non volatile Flash memory Not saved instrument data are stored in RAM memory and will be kept at least 30 seconds w...

Page 88: ...the Enter button 6 Select EDIT NAME if you want to rename the file from SCOPE 1 7 Use the arrow keys to select a letter number or character Use the function keys under PREV and NEXT to move the curso...

Page 89: ...int Screen 1 Press the Save button Once the menu appears the display screen will be frozen 2 Press the function 3 button under the camera icon The file is saved using a fixed name IMAGE and a serial n...

Page 90: ...return to the file list menu 8 After the item is deleted the file list menu will be displayed again Observe that the file you chose to delete is no longer listed Select CLOSE to exit the menu 9 Press...

Page 91: ...op button to exit view mode and resume measurements NOTE Learn about how to recall a screen as a reference waveform to compare it to measured waveform See page 44 Compare Waveforms Recall a Setup Conf...

Page 92: ...internal memory or USB USB device 4 Press the Enter button 5 Highlight any file 6 Select VIEW 7 A message will appear asking if you want to continue to view mode as data on the display screen will be...

Page 93: ...o highlight RENAME 5 Press the Enter button 6 Use the down arrow key to highlight the file you want to rename and then press the Enter button 7 Use the arrow keys to select a letter number or characte...

Page 94: ...e a copy of that file will be made and saved to the alternate location and the source file will be deleted When you select to copy a file the source file will remain in the same location and a copy wi...

Page 95: ...u might have a problem with the screen contrast Press the Utility button Now you can use the arrow keys to adjust the contrast The Display Auto OFF timer is active To turn the display on press any key...

Page 96: ...Troubleshooting 80 THS3000 Series Oscilloscopes User Manual...

Page 97: ...l Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use This manual contains information and warnings that must be followed by the user to ensure safe operation and t...

Page 98: ...Sensitivity ranges with 10 1 probe 20 mV to 1000 V div direct 1 1 2 mV to 100 V div Dynamic range DC to 10 MHz 8 div DC to 100 MHz THS3014 4 div DC to 200 MHz THS3014 4 div Trace positioning range 4...

Page 99: ...rate THS3024 One channel up to 5 GS s Two channels up to 2 5 GS s Three to four channels up to 1 25 GS s THS3014 Two channels up to 2 5 GS s Four channels up to 1 25 GS s Record length see Record Len...

Page 100: ...Ch2 Ch3 Ch4 Slope Positive Negative Dual either positive or negative Trigger level control range 4 divisions Vertical trigger level indicator error 0 5 divisions Horizontal trigger level indicator err...

Page 101: ...with a minimum of 300 ns T or 500 ns T T a maximum of 10 s and a resolution of 0 01 div with a minimum of 50 ns Continuous Auto Set Auto ranging attenuators and time base automatic AutoRange triggeri...

Page 102: ...tion with 10 1 probe 1 mV direct 1 1 100 V Full scale measurement 999 counts Accuracy at 5 s to 10 s div 2 mV div 1 5 10 counts 5 mV div to 100 V div 1 5 5 counts Normal mode AC rejection at 50 or 60...

Page 103: ...irect 1 1 300 V Maximum resolution with 10 1 probe 1 mV direct 1 1 100 V Full scale measurement 1100 counts Accuracy DC to 60 Hz 1 5 10 counts 60 Hz to 20 kHz 2 5 15 counts 20 kHz to 1 MHz 5 20 counts...

Page 104: ...4 0 to 98 0 Resolution 0 1 when period 2 div Full scale measurement 999 counts 3 digit display Accuracy logic or pulse 0 5 2 counts Pulse width PULSE Resolution with GLITCH off 1 100 division Full sc...

Page 105: ...to 1 min div 4 125 MS s Glitch capture 5 ms div to 1 min div 8 ns Glitch capture 2 min div 8 ns Time div in normal mode 5 ms div to 2 min div Record size 30 k to 37 5 k points per trace Recorded time...

Page 106: ...Miscellaneous Specifications Table 10 Display Characteristic Description View area 126 8 88 4 mm 4 99 3 48 inches Resolution 320 240 pixels Backlight LED temperature compensated Brightness Power adap...

Page 107: ...libration Output Signal Characteristic Description Voltage 1 225 Vp p 1 5 Frequency 500 Hz square wave 20 Output impedance 1k Manual pulse adjustment and automatic DC adjustment with probe check Table...

Page 108: ...Weight 2 2 kg 4 8 lbs including battery Table 16 Environmental Characteristic Description Environmental MIL PRF 28800F Class 2 Temperature Operating Battery installed 0 to 40 C 32 to 104 F No battery...

Page 109: ...According to CE marking UL 61010 1 2004 CAN CSA C22 2 No 61010 1 04 including approval Table 17 Safety specifications Characteristic Description Maximum input voltage Using a 10 1 probe model THP0301...

Page 110: ...o mains socket outlets and similar points in the mains installation Measurement Category III refers to distribution level and fixed installation circuits inside a building Figure 38 Maximum voltage be...

Page 111: ...1 Bandwidth DC to 300 MHz 3 dB Rise time 0 9 ns Compensation range 10 pF 22 pF Maximum tip input voltage 300 V CAT III Maximum reference lead voltage to ground 300 V CAT III NOTE For further probe sp...

Page 112: ...Appendix A Specifications 96 THS3000 Series Oscilloscopes User Manual...

Page 113: ...on a Windows XP computer Installing on computers with other Windows versions may be different Drivers for Windows XP Vista and Windows 7 are available from the Windows Driver Distribution Center and c...

Page 114: ...xternal USB memory device for data storage A mini USB B port which allows you to connect the instrument to a PC or notebook for remote control and data transfer under computer control The ports are fu...

Page 115: ...e USB drivers use the Tektronix InstallShield Wizard that is included on the OpenChoice CD provided with the instrument You can also download the wizard from tek com at http www tek com support In the...

Page 116: ...THS3024 or 3014 USB Port is listed here Note that the COM port number you see may differ from what is shown in the screen to the right because it is automatically assigned by Windows NOTE Sometimes a...

Page 117: ...To load the software please insert the CD ROM into the appropriate drive in your computer and follow the on screen instructions After installing the software when you first open the application click...

Page 118: ...Appendix B Connect the Instrument to a Computer 102 THS3000 Series Oscilloscopes User Manual...

Page 119: ...h BNC matches the color of the associated channel button and the color of the probe 4 Attach the probe tip and reference lead to the probe calibration connector located above the USB port on the left...

Page 120: ...he compensation signal will be removed Automatic DC compensation is only possible for 10 1 voltage probes NOTE During compensation you should not touch the probe 12 Select Close Figure 40 Compensating...

Page 121: ...V RMS CAT III 600 V RMS CAT II 1000 V RMS CAT II 1000 V RMS CAT II On screen P P voltage 3 4 849 V p p 2828 V p p 2828 V p p On screen RMS voltage 3 300 V RMS 1000 V RMS 1000 V RMS 1 Maximum operating...

Page 122: ...Appendix C Probe Compensation and Compatible Maximum Voltages 106 THS3000 Series Oscilloscopes User Manual...

Page 123: ...dized To save battery life without automatic power shutdown you can use the display AUTO off option The display will be turned off after the selected time 30 seconds or 5 minutes NOTE If the power ada...

Page 124: ...eries At delivery the Li ion battery may be empty and must be charged for 5 hours with the instrument turned off to reach full charge When fully charged the battery provides up to 7 hours single chann...

Page 125: ...g do not exceed the allowable ambient temperature given in the specifications NOTE No damage will occur if the power adapter is connected for long periods for example during the weekend The instrument...

Page 126: ...Appendix D Battery Pack 110 THS3000 Series Oscilloscopes User Manual...

Page 127: ...tion at the beginning of this manual Cleaning WARNING Remove the input signals before you clean the instrument Clean the instrument with a damp cloth and a mild soap Do not use abrasives solvents or a...

Page 128: ...Appendix E Maintenance and Cleaning 112 THS3000 Series Oscilloscopes User Manual...

Page 129: ...C Calibration date 9 Channel buttons 1 4 4 Connect a probe 24 Contrast adjusting 9 Copy saved setups and screens 7 Coupling AC and DC 28 61 Cursors 5 54 analyzing a record 52 make a time measurement...

Page 130: ...ference in Acquire Acquire Options Waveform menu 4 Rename screen and setup name 72 S Safety Summary vi Save 6 edit file name 72 screen and setup 72 screens as BMPs 73 when all memories are in use 72 S...

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