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1. A 1 Appendix B Glossary TDS 3000 Series Oscilloscope Operator Training Kit iii TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes This module introduces the TDS3000 series of digital phosphor oscilloscopes DPO In this module you will learn about the basic features specifications and controls of a TDS3000 oscilloscope Note All references to TDS3000 oscilloscopes also apply to TDS3000B oscilloscopes except as specified At the end of this module you will be able to e Identify the primary front panel and the menu based controls of a TDS3000 oscilloscope e Set up a TDS3000 oscilloscope for general use e Compensate a passive probe TDS 3000 Series Oscilloscopes Operator Training Kit 1 1 This module includes the following sections e Introduction to TDS3000 Oscilloscopes e Primary Front Panel Control Sections e Menu Function Controls e Setting Up a TDS3000 Oscilloscope Figure 1 1 shows a TDS3000 oscilloscope Side screen Menu function menu buttons controls Oscilloscope General purpose ACQUIRE display knob controls Bottom screen VERTICAL HORIZONTAL menu buttons controls controls Floppy disk Input TRIGGER drive connectors controls Figure 1 1 A TDS3054 digital phosphor oscilloscope 1 2 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Introduction to TDS3000 Oscilloscopes
2. Edit Math Definition Set Ist Source to chi Set Operator to Set 2nd Source to M400ms A Chi 0 00 V Dual Wim Math FFT Figure 2 8 CH1 CH2 As you can see in Figure 2 8 the MATH function is able to extract a small differential heart beat signal from the large common mode sine wave that is on both Channel 1 and Channel 2 signal inputs TDS 3000 Series Oscilloscope Operator Training Kit 2 23 2 Using VERTICAL Controls Summary In this module you learned how to perform the following tasks 2 24 Set up a TDS3000 oscilloscope for VERTICAL controls Modify the vertical scale calibration by using the VERTICAL SCALE knob Position a waveform on the vertical scale by using the VERTICAL POSITION knob Use the VERTICAL controls to modify the acquisition and display of a waveform Simultaneously display waveforms for all input channels View a detailed display of a waveform by changing the input coupling Display an expanded vertical view of a selected portion of a waveform by using the vertical offset controls and the VERTICAL SCALE knob Use the CH1 CH2 MATH function to extract a small differential heartbeat signal from a large common mode sine wave signal TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls This module focuses on the HORIZONTAL controls of a TDS3000 oscilloscope In this module you will use various procedures to modify a displayed wa
3. 6 Using Menu Function Controls Setting Up Menu Function Controls ASURE SAVE RECALL QUICKMEN Figure 6 1 TDS3000 front panel menu function controls Before you begin using the menu function controls you must set up the oscilloscope for operation exercises with these controls This section provides a setup procedure for the menu function controls To set up a TDS3000 oscilloscope for menu function operations follow these steps 1 Connect the CH1 probe tip to the CLK 20 MHz signal on pin 2 and the CH1 ground lead to GND on pin 1 of the Training 1 signal board 2 On the Training 1 signal board push the POWER button until the Digital PWR light is on 6 2 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 3 On the top of the front panel push the SAVE RECALL menu button 4 Push the appropriate bottom screen menu button to select Recall Factory Setup 5 Push the appropriate side screen menu button to select OK Confirm Factory Init 6 Inthe ACQUIRE section push the AUTOSET button You will see a waveform similar to that shown in Figure 6 2 Trig d Recall Factory M20 0ns A Chl S 2 48V OK Contirm 0 00000 Factory Init Save Recall Recall je Current Saved Factory Waveform Setup Setup Setup chi Labels Recall File waveform utilities Figure 6 2 20 MHz CLOCK signal TDS 3000 Series Oscilloscopes Operator Training Kit 6 3 6 Using Menu Func
4. Push the appropriate side screen menu button to select OK Confirm Factory Init In the VERTICAL section turn the SCALE knob to set Ch1 for 200mV on the oscilloscope display In the VERTICAL section push the CH2 button Turn the VERTICAL SCALE knob to set Ch2 for 200mvV on the oscilloscope display TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 10 On the top of the front panel push the DISPLAY menu button 11 Push the appropriate bottom screen menu button to select XY Display Off 12 Push the appropriate side screen menu button to select Triggered XY 13 On the Training 1 signal board turn the ADJ knob to display the XY signal as a circle You will see a waveform similar to that shown in Figure 6 13 XY Display eee Triggered xY G XYZ Ch1 X versus Y ES M 400us A J 000v versus 0 00000 s oft iY f Backlight 5 Color Waveform Intensity ati KY D Palette play High Normal Figure 6 13 Phase relationship between two synchronous sine waves in the XY display format TDS 3000 Series Oscilloscopes Operator Training Kit 6 37 6 Using Menu Function Controls You can use the XY display format to measure the phase shift between two synchronous signals with a phase difference In this case the circle means that the two signals are both sine waves and that they are 90 degrees out of phase with respect to each other On the oscilloscope display
5. 1 Inthe ACQUIRE section push the SINGLE SEQ button TDS 3000 Series Oscilloscopes Operator Training Kit 5 7 5 Using ACQUIRE Controls 2 Push the appropriate side screen menu button to select Peak Detect 3 Push the SINGLE SEQ button again You will see a waveform similar to that shown in Figure 5 3 Acquisition Mode Sample am wh Peak Detect 1 lt 250MS s m w Envelope 16 Average 16 A ChI goomyV 000s i Horizontal Reset Acquisitions 1 Resolution Horizontal Autoset WaveAlert Sample Rate Normal Delay 5 00kS s Mode k Detect Figure 5 3 Noisy variable amplitude signal with glitches captured with Peak Detect in SINGLE SEQ mode 5 8 TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls In this procedure you used the Peak Detect acquisition mode to capture glitches with very fast transition times You can use the Peak Detect acquisition mode to capture fast signal glitches that fall between acquisition samples at slower time base settings You use the Peak Detect acquisition mode when you need to see high speed interference that couples into electronic signals For example consider a situation where you need to test a complex signal that controls a mechanical robot You can use the Peak Detect mode to check the signal for glitches caused by various sources such as light dimmers motor controls and design flaws Stopping the Acquisition System In
6. 4 On the Training 1 signal board push the POWER button until the Digital PWR light is on 5 On the top of the front panel push the SAVE RECALL menu button 6 Push the appropriate bottom screen menu button to select Recall Factory Setup 7 Push the appropriate side screen menu button to select OK Confirm Factory Init 8 Inthe ACQUIRE section push the AUTOSET button 3 4 TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls You will see a waveform similar to that shown in Figure 3 2 Trig d Recall Factory M40 0ns A Ch OK Confirm 1005 Factory Init Recall T Save gt Seas i Recall File coil SiS ey a1 waveform Utilities Labels Figure 3 2 CLOCK Signal Notice that Figure 3 2 shows a bar graph with brackets on the top of the screen The bar is of the same color as the selected channel MATH or REF and represents the total record length of the waveform s on screen The brackets indicate the portion of the waveform s displayed on the screen TDS 3000 Series Oscilloscopes Operator Training Kit 3 5 3 Using HORIZONTAL Controls Operating HORIZONTAL Controls 3 6 The HORIZONTAL control section has two knobs the SCALE knob and the POSITION knob SCALE knob The HORIZONTAL SCALE knob is used to adjust the horizontal scale factor of a selected waveform The horizontal scale of a waveform is measured in seconds division If you set the horizontal scale o
7. Operator Training Kit 1 27 1 Getting Started With TDS3000 Oscilloscopes Source You use these options to set Coupling Slope the B trigger source coupling and Level slope and level These settings are independent of similar settings for the A trigger TRIGGER MENU button You use the TRIGGER MENU button to choose Edge or Video triggering for an input signal Both Edge and Video triggering have a unique menu display To activate the menu based functions for the TRIGGER section follow these steps 1 Inthe TRIGGER section push the MENU button 2 Inthe TRIGGER section push the B TRIG button until the green indicator light is switched off 1 28 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes 3 Push the appropriate bottom screen menu button to select Source Figure 1 9 shows the menu based controls for the TRIGGER section Trig d A Trigger Source M 400us A isf 2 76V more 1of2 0 00000 s Mode Source Coupling Slope Level Auto nha 5 Ch DC S 2 76 V amp Holdo Figure 1 9 TRIGGER Section menu based controls TDS 3000 Series Oscilloscope Operator Training Kit 1 29 1 Getting Started With TDS3000 Oscilloscopes 1 30 Depending on the options and base configuration of your TDS3000 or TDS3000B oscilloscope you may have additional trigger selections for advanced functions such as Logic Pulse Comm and or Extended Video trig
8. Recall File waveform utilities tabels Figure 2 6 Vertically expanded waveform around the center graticule line 7 Turn the VERTICAL SCALE knob counter clockwise to set CH1 for 2 00 V on the oscilloscope display When you change the volts division setting back from 100 mV to 2 00 V the waveform moves back from 40 divisions to 2 0 divisions TDS 3000 Series Oscilloscope Operator Training Kit 2 17 2 Using VERTICAL Controls 2 18 In the VERTICAL section push the MENU button Push the appropriate bottom screen menu button to select Offset At the top of the front panel turn the general purpose knob to vertically align the top of the waveform with the yellow arrow labeled 1 at the left of the oscilloscope display This should also correspond to the center vertical graticule line In the VERTICAL section turn the SCALE knob clockwise to set CH1 for 100 mV When you set the volts division setting to 100 mV the ground reference of the waveform is 40 divisions below the center graticule line The vertical Offset control is used to change the expansion reference with respect to the waveform At the top of the front panel turn the general purpose knob to align the expanded top of the waveform with the center graticule line The voltage level of the Offset appears in the bottom screen menu under Offset TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls
9. Save Wfm Recall Wfm Description You use this option to save a setup to a floppy disk or to a nonvolatile memory location You use this option to recall a saved setup from a floppy disk or from a nonvolatile memory location You use this option to recall and initialize the oscilloscope s default factory settings You use this option to save a waveform to a floppy disk or to a nonvolatile memory location You use this option to recall a saved waveform from a floppy disk or from a nonvolatile memory location 1 48 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes File Utilities You use this option to access file utilities such as Delete Rename Copy and Create Directory Labels You use this option to assign unique labels to reference waveforms and instrument setups stored in nonvolatile memory locations or on a floppy disk A TDS3000 oscilloscope automatically labels each file placeholder for a number sequence from 00000 to 99999 You can rename a file with up to eight characters to replace the name For procedures using the SAVE RECALL menu function controls see SAVE RECALL Menu Function Controls starting on page 6 16 TDS 3000 Series Oscilloscope Operator Training Kit 1 49 1 Getting Started With TDS3000 Oscilloscopes QUICKMENU Function Controls You use the QUICKMENU control to access special menus that provide key functions in a
10. Sawtooth Wave Sine Wave Square Wave Step Wave Sweep Speed Appendix B Glossary Has a rising rate of change that is different faster or slower from the falling rate of change Basic waveform that represents voltage change with time Signals produced by the oscillator circuit in a signal generator are sine waves Most AC power sources produce sine waves Represents voltage signals that turn on and off at regular intervals It is a standard wave for testing amplifiers televisions radios and computer circuits Indicates a sudden change in voltage which may be the result of turning on an electric switch The speed at which a waveform can sweep across the screen of an analog oscilloscope The sweep speed of an oscilloscope is stated in time per division sec div TDS 3000 Series Oscilloscopes Operator Training Kit B 9 Appendix B Glossary TekProbe Interface Time Base Triangle Wave Vertical Cursors Vertical Sensitivity An interface that communicates information such as the probe type and its attenuation factor between a probe and a TDS3000 oscilloscope The interface also supplies power to active voltage probes The set of parameters that let you define the time axis attributes of a waveform record The time base determines how fast and how long to acquire record points Has arising rate of change equal to the falling rate of change The two vertical bars you position
11. You will see a waveform similar to that shown in Figure 2 7 Trig d Ch1 Offset Vertical Offset 3 8938 V Set to V M40 0ns A Chi 0 000005 Coupling Invert Bandwidth site scale Position Offset Stes DC off Full div UR ee 3 898 V 10X Figure 2 7 Changed vertical waveform expansion reference with respect to a waveform In this procedure you learned how to change the vertical waveform expansion reference with respect to a waveform by using the vertical Offset control To summarize the offset control is used to change the vertical point at which expansion can occur by using the VERTICAL SCALE knob This is needed when better viewing of details on the waveform is required TDS 3000 Series Oscilloscope Operator Training Kit 2 19 2 Using VERTICAL Controls Using the MATH Menu You can use the MATH menu controls to perform different mathematical operations on waveforms For example you can add subtract divide and multiply waveforms In addition you can perform Fast Fourier Transform FFT operations on a waveform Note All TDS3000B models have FFT as a standard MATH function All other TDS3000 models require an option for FFT The following procedure shows how to use the MATH functions to obtain the differential of two waveforms To subtract one waveform from another follow these steps 1 Connect the CH 1 probe tip to the DIFF signal on pin 12 and the CH1 ground lead to GND on pin 8 of the T
12. Operator Training Kit 3 Using HORIZONTAL Controls The following procedure enables you to change the zoom limit Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To change the zoom limit follow these steps 1 Push the appropriate side screen menu button to select Fast Trigger 500 points 2 Inthe HORIZONTAL section turn the POSITION knob counterclockwise to center the rising edge of the trigger point You will see a waveform similar to that shown in Figure 3 5 Notice that the M40 0ns display at the top of the oscilloscope screen has a 10X difference with the Z4 00ns display at the bottom of the oscilloscope screen for 500 point acquisitions in the Fast Trigger mode TDS 3000 Series Oscilloscopes Operator Training Kit 3 13 3 Using HORIZONTAL Controls 3 Push the appropriate side screen menu button to select Normal 10k points 4 Push the appropriate side screen menu button to select Fast Trigger 500 points The zoom limit changes from 10X in the Fast Trigger mode to 50X in the Normal mode The zoom limit for the Normal mode is 200X You will see a waveform similar to that shown in Figure 3 5 Horizontal j Resolution Fast Trigger 500 points Normal 10k points 24 00ns A 640 000ps ontal Reset Sample Resolution Horizontal Autoset Wavedlert Sample Rate p Fast Trig Delay 1 256575 Figure 3 5 Magnified display with Fast Trig
13. TDS 3000 Series Oscilloscope Operator Training Kit 1 15 1 Getting Started With TDS3000 Oscilloscopes Menu Option Coupling Invert Bandwidth Fine Scale Description You use this option to select DC AC or Ground coupling You can also select an input resistance for DC or AC coupling You use this option to invert the polarity of the displayed waveform You use this option to set the oscilloscope bandwidth to Full maximum oscilloscope frequency 150 MHz or 20 MHz However 100 MHz TDS3000 models do not provide a bandwidth of 150 MHz You use this option to enable a fine scale adjustment of the vertical scale with the general purpose knob 1 16 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Position You use this option to adjust the vertical position of a waveform with the general purpose knob Offset You use this option to numerically adjust the waveform vertical offset with the general purpose knob Probe Setup You use this option to set the probe readout conditions for probes that do not have the TekProbe II interface You can also use this option to adjust the time skew for probes MATH Menu Controls The MATH menu controls allow you to perform various math operations such as addition and subtraction on the displayed waveforms You can also perform FFT operations on the displayed waveforms if the TDS3FFT FFT application module
14. Video type triggering is used to trigger on odd fields even fields or all the lines of a NTSC PAL or SECAM video signal The TYPE VIDEO menu provides bottom screen and side screen menu options to configure your video trigger settings Menu Option Description Standard You use this option to select the video standard of the input signal from NTSC PAL and SECAM 1 32 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Source Video triggering uses the same source selection as Edge triggering Trigger On You use this option to select triggering on all video lines or fields Mode amp Holdoff Video triggering provides the same mode and holdoff menu options as Edge triggering For procedures using TRIGGER controls see Using TRIGGER Controls starting on page 4 1 ACQUIRE Section Controls The ACQUIRE section controls signal acquisition and processing You use the ACQUIRE section controls to select different signal acquisition modes execute the single shot acquisition of a signal automatically acquire and display a signal Autoset and control waveform intensity TDS 3000 Series Oscilloscope Operator Training Kit 1 33 1 Getting Started With TDS3000 Oscilloscopes Figure 1 10 shows the ACQUIRE section controls WAVEFORM INTENSITY Figure 1 10 TDS3000 ACQUIRE section controls The ACQUIRE section consists of the following controls e RUN STOP b
15. on pin 3 of the Training 1 signal board and the CH1 probe ground lead to GND on pin 1 On the Training 1 signal board push the POWER button until the Digital PWR light is on On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup TDS 3000 Series Oscilloscope Operator Training Kit 2 3 2 Using VERTICAL Controls 6 Push the appropriate side screen menu button to select OK Confirm Factory Init 7 Inthe ACQUIRE section push the AUTOSET button You should see a waveform similar to that shown in Figure 2 2 Trig d Recall Factory M40 0ns A Chi Confirm 9 00000 Factory Init Save Recall Recall Sav call File Current Saved Factory Waveform Gat a Labels Setup Setup Setup Chi waveform Utilities Figure 2 2 CLOCK signal 2 4 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls Operating VERTICAL Controls In this section you will perform various procedures to modify a displayed waveform by using the VERTICAL section controls Using VERTICAL Controls to Modify Acquisition and Display The waveform shown in Figure 2 2 appears to be a single waveform However the waveform represents numerous waveforms triggered from the same signal and overlaid on one another In an analog oscilloscope a waveform is displayed when an electron beam from the cathode ray tube sweeps the phosphor screen
16. 3 Using HORIZONTAL Controls You will see a waveform similar to that shown in Figure 3 4 M zoons Horizontal Resolution Fast Trigger 500 points Normal 10k points 24 00ns Mode Horizontal Reset Sample Resolution Horizontal Autoset WaveAlert Sample Rate D Normal Delay 5 00GS s Figure 3 4 Magnified waveform display In this procedure you used the HORIZONTAL POSITION knob to select a portion of a displayed waveform Then you magnified the selected portion by using the zoom button and the HORIZONTAL SCALE knob TDS 3000 Series Oscilloscopes Operator Training Kit 3 11 3 Using HORIZONTAL Controls Finally you verified the horizontal resolution to be Normal such that the oscilloscope acquired a 10 000 point waveform The zoom limit is 200X magnification If you set the horizontal resolution to Fast Trigger the oscilloscope acquires 500 point waveforms at a high repetition rate This lowers the zoom limit to a 10X magnification Changing the Zoom Mode Limits 3 12 You can use the zoom mode to magnify the time scale and change the magnification limits To change the zoom limit you change the horizontal resolution of the oscilloscope which in turn changes the record length The record length is the number of sample points in one complete waveform acquisition You can select the Fast Trigger 500 points or Normal 10k points horizontal resolution modes TDS 3000 Series Oscilloscopes
17. A TDS3000 oscilloscope is an advanced DPO Digital Phosphor Oscilloscope that you can use for various applications such as servicing repairing manufacturing testing and designing systems that include embedded computing and communication systems Features of the TDS3000 Models The following are the basic features of the TDS3000 series of oscilloscopes High bandwidth The TDS3000 series of oscilloscopes have a bandwidth ranging from 100 MHz to 500 MHz Fast sample rate The TDS3000 series of oscilloscopes have sample rates ranging from 1 25 GS s to 5 GS s on all channels simultaneously Enhanced display The TDS3000 series of oscilloscopes have a color LCD display that shows all 4 channels at the same time in different colors 1 3 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Waveform and instrument setup storage The TDS3000 series of oscilloscope models have a built in floppy drive The floppy drive can be used to store waveforms screen images and instrument setups ona 1 44 MB IBM PC compatible floppy disk Flexibility You can install a variety of application and communication modules to expand the capabilities of a TDS3000 oscilloscope according to your requirements For example you can install application modules for FFT operations extended video triggering and telecommunications signal mask testing You can also install communication modules to p
18. 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 Sn General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified While using this product you may need to access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system To Avoid Fire or Personal Injury Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Connect the ground lead of the probe to earth ground only Replace Batteries Properly Replace batteries only with the proper type and rating specified Use Proper AC Adapter Use only the AC adapter specified for this product Use Proper Fuse Use only the fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry TDS3000 amp
19. Ba Seeg Version Contig English amp Time Time Outs Memory Figure 1 17 UTILITY menu Menu Option Description System Config You use this option to set the display language and date and time control battery timeouts and erase the memory locations of an oscilloscope 1 56 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes System Apps You use this option to control the utilities on an installed optional application module System I O You use this option to set up the communication ports of an oscilloscope such as GPIB and RS 232 System Hard Copy You use this option to set hard copy parameters such as file format printer format file compression and print preview System Cal You use this option to compensate the optimum signal path for an oscilloscope calibrate the oscilloscope and set a time after which the oscilloscope will require calibration TDS 3000 Series Oscilloscope Operator Training Kit 1 57 1 Getting Started With TDS3000 Oscilloscopes System Diags You use this option to execute and control internal diagnostic routines for an oscilloscope such as executing and looping diagnostic routines and viewing the error log For a procedure using the UTILITY menu function controls see UTILITY Menu Function Controls starting on page 6 41 1 58 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscillo
20. DISPLAY UTILITY TDS 3000 Series Oscilloscopes Operator Training Kit You have now completed all chapters of the TDS 3000 Series Oscilloscope Operator Training Kit Tektronix congratulates you for your work to be a better oscilloscope user Appendix A Training 1 Signal Board Signal Definitions Appendix A Training 1 Signal Board Signal Definitions TDS 3000 Series Oscilloscopes Operator Training Kit A 1 Appendix A Training 1 Signal Board Signal Definitions Figure A1 1 depicts the layout of the Training 1 signal board TWNOIS NY INIS 2HYS a zZ m v I D uo m no n 4 m gt gt o ce N PSEUDO CNTO BURST CNT1 CNT2 Q_META CNT3 D_10MHz 2 Jeu TO LOGIC ANALYZER VARIABLE AMPL WITH GLITCH PRESS FOR SINGLE SHOT PROBE SKT Op FAST RISE TIME Figure A1 1 Training 1 signal board A 2 TDS 3000 Series Oscilloscopes Operator Training Kit Pins 1 7 8 and 14 Description Pin 2 Specification Description Pin 3 Specification Description Pin 4 Specification Description TDS 3000 Series Oscilloscopes Operator Training Kit Appendix A Training 1 Signal Board Signal Definitions GND These pins provide the ground reference for the Training 1 signal board CLK 20 MHz 20 MHz digital signal 4 V peak to peak This signal is the control clock for all of the digital signals on the Training 1 signal board D_10 MHz 10 MHZ di
21. Function You use this option to activate cursors and select between horizontal and vertical cursors Mode You use this option to set cursors to move together or independently of each other V Bar Units You use this option to set V Bar and horizontal measurement units H Bar Units You use this option to set H Bar and vertical measurement units For procedures using the CURSOR menu function controls see CURSOR Menu Function Controls starting on page 6 25 DISPLAY Menu Function Controls You use the DISPLAY menu to control the persistence display format and display contrast 1 52 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes To activate the menu based functions for the DISPLAY menu function controls perform the following step e On the top of the front panel push the DISPLAY menu button The DISPLAY menu is activated at the bottom of the display as shown in Figure 1 16 mga Waveform Display Dots Only l On off Persist Time Set to Min Clear Persistence M400us A 0 00000 Color Inte naty Palette High Normal Waveform Backlight sels KY s slay Display Figure 1 16 DISPLAY menu TDS 3000 Series Oscilloscope Operator Training Kit 1 53 1 Getting Started With TDS3000 Oscilloscopes 1 54 Menu Option Waveform Display Backlight Intensity Graticule XY Display Color Palette Description You use this op
22. In the VERTICAL section turn the SCALE knob to set Ch2 for 2 00V on the oscilloscope display Turn the VERTICAL POSITION knob to position the CH2 waveform in the lower half of the oscilloscope display On the top of the front panel push the MEASURE menu button Push the appropriate bottom screen menu button to select Remove Measrmnt Push the appropriate side screen menu button to select Measurement 4 Push the appropriate bottom screen menu button to select Select Measrmnt for CH2 Push the appropriate side screen menu buttons to select Amplitude TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls You will see a display similar to that shown in Figure 6 4 Select Measurement fg EES Positive Overshoot Negative Overshoot Ne Pk Pk TT i Amplitude M 20 0ns chi 2 48 V more 4 of 6 Reference Indicators Levels off High Low Setup Auto Remove Gating Measrmnt off Figure 6 4 Simultaneous amplitude measurement of CH1 and CH2 Observe that the amplitude of CH2 is displayed along with the three measurements on CH1 TDS 3000 Series Oscilloscopes Operator Training Kit 6 11 6 Using Menu Function Controls Verifying an Incoming Signal Sometimes you may need to verify whether or not an incoming signal has a specified rising edge Typically the transition time from a low logic level 0 8 V to a high logic level 2 0 V must be 10 ns
23. TDS3000B Operator Training Kit Manual General Safety Summary Safety Terms and Symbols 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 Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product These symbols may appear on the product A O CAUTION Refer to Manual Standby TDS3000 amp TDS3000B Operator Training Kit Manual Contacting Tektronix Phone Address Web site Sales support Service support Technical support 1 800 833 9200 Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 Email techsupport tektronix com 1 800 833 9200 select option 3 1 503 627 2400 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America co
24. allows you to delay the acquisition relative to the trigger event with the HORIZONTAL POSITION knob An indicator light next to the DELAY button indicates whether delay is on or off When delay is on the horizontal expansion point stays in the center of the display while the trigger point can move off the display The time difference between the trigger point and the horizontal expansion point is the delay time of the acquisition You turn the HORIZONTAL POSITION knob counter clockwise to increase the delay time The delay time is referenced to the center of the acquisition and appears at the bottom of the display 1 22 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes HORIZONTAL SCALE knob The HORIZONTAL SCALE knob allows you to adjust the time base of the displayed waveform When delay is off you adjust the scale to expand or contract around the trigger point When delay is on you adjust the scale to expand or contract around the center of the screen ZOOM button The zoom button magnifies a displayed waveform along the horizontal axis of the display An indicator light next to the zoom button indicates whether zoom is on or off You use the HORIZONTAL SCALE knob to adjust the magnification and the HORIZONTAL POSITION knob to select the portion of the waveform that you want to magnify For procedures using the HORIZONTAL controls see Using HORIZONTAL Controls starting on
25. and makes the screen glow If an electron beam strikes at a given point on the phosphor screen frequently the screen glows brighter The waveform on the display disappears when the electron beam is stopped A TDS3000 oscilloscope has an intensity graded color LCD display This enables a TDS3000 oscilloscope to display a waveform similar to an analog oscilloscope with a phosphor screen TDS 3000 Series Oscilloscope Operator Training Kit 2 5 2 Using VERTICAL Controls The following procedure enables you to use the VERTICAL controls to modify the acquisition and display of a waveform Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To affect the acquisition and display of a displayed waveform by using the VERTICAL controls follow these steps 1 Inthe ACQUIRE section push the RUN STOP button This stops the signal acquisition by the oscilloscope 2 Inthe VERTICAL section turn the POSITION knob to move the waveform one division above its current position Observe that the displayed waveform becomes very dim 2 6 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls 3 Inthe ACQUIRE section push the RUN STOP button twice This reacquires the signal and stops the acquisition again 4 Inthe VERTICAL section turn the POSITION knob to move the waveform one division below its current position Observe that the displayed wave
26. controls of a TDS3000 oscilloscope Figure 1 12 TDS3000 front panel menu function controls MEASURE Menu Function Controls The MEASURE menu function controls allow you to take pre defined automated measurements of waveforms TDS 3000 Series Oscilloscope Operator Training Kit 1 43 1 Getting Started With TDS3000 Oscilloscopes To activate selections for the MEASURE menu function perform the following step 1 44 On the top of the front panel push the MEASURE menu button The MEASURE menu is activated at the bottom of the display as shown in Figure 1 13 Triad Select Measurement Period Frequency Positive Pulse Width Negative Pulse Width H Selup Auto Select a Remove Gating vaasn Measrmnt Off R Levels Figure 1 13 MEASURE menu TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Menu Option Description Select Measurement You use this option to select the automatic measurement that you want to perform such as amplitude frequency negative width or rise time measurement You can display up to four measurements on the screen Remove You use this option to remove a Measurement specific measurement or all displayed measurements Gating You use this option to select the portion of a displayed waveform that is to be measured High Low Setup You use this option to select the measurement method to be used depending on
27. ground lead only to the ground potential Ensure that you do not operate the oscilloscope either with any panels removed or with exposed circuitry Ensure that the operational environment of the oscilloscope is properly ventilated and is not humid Do not connect any oscilloscope input to any AC DC or spike voltage over the input rating Do not connect any probe input to any AC DC or spike voltage over the probe rating TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Introduction to the Training 1 Signal Board You will use the Training 1 signal board for most procedures in this Operator Training Kit Figure 1 18 shows the Training 1 signal board Yd oN ai ano INIS 2HS TWNIIS NY a2 me wn m Bo lt I ms a m o N PSEUDO CNTO BURST CNT1 CNT2 Q_META CNTS D_10MHz TO LOGIC ANALYZER a z CLK VARIABLE ec AMPL WITH GLITCH PROBE SKT Op FAST RISE RESS FOR SINGLE SHOT P Figure 1 18 The Training 1 signal board TDS 3000 Series Oscilloscope Operator Training Kit 1 63 1 Getting Started With TDS3000 Oscilloscopes The Training 1 signal board has various pins that generate different kinds of signals Each pin is labeled according to the signal it generates You can view and analyze these signals on your TDS3000 oscilloscope You can use either a 9 volt battery NEDA type 1604 Alkaline recommended or a li
28. just put on standby TDS 3000 Series Oscilloscope Operator Training Kit 1 65 1 Getting Started With TDS3000 Oscilloscopes 1 66 Pins 1 to 6 of the Training 1 signal board provide digital signals while pins 9 to 16 provide analog signals All pins labeled GND provide the common signal reference For a description of the signal from each pin of the Training 1 signal board see Appendix A Training 1 Signal Board Signal Definitions starting on page A 1 When you use the Training 1 signal board in analog only mode a 9 volt battery will last for approximately thirty hours However when you use the Training 1 signal board in analog digital mode a 9 volt battery will last for approximately 7 10 hours The Training 1 signal board has a built in power save mode The Training 1 signal board switches itself off automatically after being switched on for about 1 hour TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Probe Compensation When you attach a passive voltage attenuation probe to an oscilloscope the capacitances of both the probe cable and the oscilloscope s input combine This combined capacitance must match the capacitance of the probe s input attenuation circuit You must balance these capacitive effects with respect to the probe and oscilloscope combination Probes are designed to match the inputs of specific oscilloscope models However there are slig
29. measure the voltage parameters of a waveform The oscilloscope displays the value of the active moveable cursor with respect to ground and the voltage value between the bars TDS 3000 Series Oscilloscopes Operator Training Kit B 5 Appendix B Glossary Normal A mode where the oscilloscope does Trigger not acquire a waveform record unless Mode a valid trigger event occurs It waits for a valid trigger event before acquiring waveform data Peak An acquisition mode that captures Detect spikes and glitches that may occur Acquisition between normal sample points A Mode mode in which the oscilloscope creates a pair of record points during each sample interval Each pair consists of the maximum and minimum input voltage during the interval Period A period is the time in which a signal completes one cycle Persistence A method of retaining old data on the display for a period of time With persistence turned off the points decay quickly With persistence on the points decay more slowly or not at all Phase Movement of a sine wave through 360 in one cycle Used to calculate the elapsed time from the reference or beginning point of the sine wave B 6 TDS 3000 Series Oscilloscopes Operator Training Kit Appendix B Glossary Phase Shift Refers to the degrees of difference between two similar synchronous signals Pretrigger The specified portion of the waveform record that contains data acquired before the
30. mode in an intensity graded display You can see the glitches better by increasing the waveform intensity of the intensity graded display Note You should be in the Peak Detect acquisition mode to view glitches for slow time base settings TDS 3000 Series Oscilloscopes Operator Training Kit 5 11 5 Using ACQUIRE Controls Using the Average and Envelope Acquisition Modes 5 12 You can use the Average acquisition mode to reduce the random noise in a displayed signal by taking an average of multiple waveforms The Average acquisition mode uses the Sample acquisition mode to acquire data and then takes an average of multiple waveforms to display a final waveform You can take an average of 2 4 8 16 32 64 128 256 or 512 waveforms to display each waveform The Envelope acquisition mode on the other hand is used to continuously accumulate peak detected waveforms The following procedure enables you to reduce the random noise in a displayed signal by taking an average of a number of waveforms It then enables you to see displayed variation extremes in the acquired signal TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To use the average and envelope acquisition modes to acquire a waveform follow these steps 1 Push the appropriate bottom screen menu button to select Mode Pk D
31. page 3 1 TDS 3000 Series Oscilloscope Operator Training Kit 1 23 1 Getting Started With TDS3000 Oscilloscopes TRIGGER Section Controls This topic describes the TRIGGER section controls You use the TRIGGER controls to set the trigger threshold conditions for a signal and assign a holdoff time to the trigger Figure 1 7 shows the TRIGGER section controls of a TDS3000 oscilloscope Figure 1 7 TDS3000 TRIGGER section controls Warning If the oscilloscope is incorrectly triggered the display may not represent the signal connected to the probe The display may instead show a previous safe reading when a dangerous voltage is actually connected to the input 1 24 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes The TRIGGER section on the front panel includes the following controls e TRIGGER LEVEL knob e SET TO 50 button e FORCE TRIG button e B TRIG button e TRIGGER MENU button TRIGGER LEVEL knob The TRIGGER LEVEL knob allows you to adjust the trigger level of a displayed waveform When you change the trigger level a horizontal line appears temporarily on the oscilloscope display This horizontal line indicates the trigger level SET TO 50 button The SET TO 50 button sets the trigger level to 50 of the peak to peak amplitude of the source trigger waveform TDS 3000 Series Oscilloscope Operator Training Kit 1 25 1 Getting Started With TD
32. screen menu button to select OK Confirm Factory Init 6 Inthe VERTICAL section push the MENU button to activate the menu for Channel 1 7 Connect a P6139A passive voltage attenuation probe to the CH1 input connector 8 Attach the CH1 probe tip and the ground lead to PROBE COMP and the ground connectors respectively 9 Inthe ACQUIRE section push the AUTOSET button TDS 3000 Series Oscilloscope Operator Training Kit 1 7 1 Getting Started With TDS3000 Oscilloscopes You should see a waveform similar to that shown in Figure 1 2 Trig ich1 Coupling amp Impedance JG M 400s A Ch y 0 00000 A TA Position ch 0 00 div div Coupling invert Bandwidth Fine DC oft Full Figure 1 2 Square waveform Your oscilloscope has passed the preliminary functional check if you observe a square wave similar to the waveform shown in Figure 1 2 for channel 1 1 8 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Primary Front Panel Control Sections This section describes the primary front panel controls You can use these controls to setup signal acquisition and display In this section you will learn about the following VERTICAL Section Controls HORIZONTAL Section Controls TRIGGER Section Controls ACQUIRE Section Controls Other Controls Each section consists of knob s and buttons When you push the MENU button in each control section
33. select Ref1 On You will see a display similar to that shown in Figure 6 7 Reti Save CH1 to Refi udat M 20 0ns A Ref1 O Off Ret4 Off 14 Se Figure 6 7 Recalled reference waveform TDS 3000 Series Oscilloscopes Operator Training Kit 6 21 6 Using Menu Function Controls QUICKMENU Function Control The QUICKMENU function control enables you to quickly and conveniently access the most frequently used functions of the VERTICAL HORIZONTAL TRIGGER and ACQUIRE sections on the front panel The following procedure enables you to use the QUICKMENU function control to access frequently used controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To access frequently used functions by using the QUICKMENU function control follow these steps 1 Inthe VERTICAL section push the CH1 button 2 On the top of the front panel push the QUICKMENU menu button 3 Push the appropriate bottom screen menu button to select if available first MENU Scope then Bandwidth 20 MHz 6 22 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 4 Push the appropriate bottom screen menu button to select Fast Trigger Note that the signal intensity changes when you select Fast Trigger 5 Push the appropriate bottom screen menu button to select Mode Avg 16 6 Push the appropriate side screen menu button to select S
34. the associated menu is activated at the bottom of the oscilloscope display TDS 3000 Series Oscilloscope Operator Training Kit 1 9 1 Getting Started With TDS3000 Oscilloscopes You control each menu option by pushing the associated bottom screen menu button You control the submenu for each menu option by pushing the associated side screen button VERTICAL Section Controls This topic describes the VERTICAL section controls You can use the VERTICAL controls to set or modify the waveform vertical scale position input coupling bandwidth and other signal conditioning 1 10 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Figure 1 3 shows the VERTICAL section controls of a TDS3000 oscilloscope Figure 1 3 TDS3000 VERTICAL section controls Note The two channel TDS3000 oscilloscopes do not have the CH3 and CH4 buttons TDS 3000 Series Oscilloscope Operator Training Kit 1 11 1 Getting Started With TDS3000 Oscilloscopes The VERTICAL controls are divided into the following three subsections e Dedicated controls e Menu based controls e MATH menu controls Dedicated Controls The dedicated controls in the VERTICAL section include the following e VERTICAL POSITION knob e VERTICAL SCALE knob e Channel selection CH1 CH2 CH3 and CH4 and reference waveform selection REF buttons e Waveform OFF button VERTICAL POSITION knob The VER
35. the waveform type and signal characteristics TDS 3000 Series Oscilloscope Operator Training Kit 1 45 1 Getting Started With TDS3000 Oscilloscopes Reference Levels You use this option to specify custom or default reference levels For procedures using the MEASURE menu function controls see MEASURE Menu Function Controls starting on page 6 4 SAVE RECALL Menu Function Controls You use the SAVE RECALL menu function to save and recall oscilloscope setups or waveforms to nonvolatile memory locations or to a floppy disk You can also use the SAVE RECALL menu function controls to recall the default factory settings To activate the menu based functions for the SAVE RECALL menu function controls perform the following step e On the top of the front panel push the SAVE RECALL menu button 1 46 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes The SAVE RECALL menu is activated at the bottom of the display as shown in Figure 1 14 Trig d Recall Factory M400us A Chi Z 2 76V OK 7 Confirm 0 00000 s Factory Init Recall File waveform Utilities Save Reca Save Current Saved ory Waveform Setup Setup Setup chi Labels Figure 1 14 SAVE RECALL menu TDS 3000 Series Oscilloscope Operator Training Kit 1 47 1 Getting Started With TDS3000 Oscilloscopes Menu Option Save Current Setup Recall Saved Setup Recall Factory Setup
36. to measure the time parameter of a waveform record The oscilloscope displays the value of the active cursor with respect to trigger and the time value between the bars The range within which an amplifier can amplify a weak signal Vertical sensitivity is stated in volts per division volts div B 10 TDS 3000 Series Oscilloscopes Operator Training Kit Appendix B Glossary Video Triggering on the line or field sync Trigger pulses of a composite video signal XY Format A display format that compares the voltage level of two waveform records point by point It is useful for studying phase relationships between two waveforms YT Format The conventional oscilloscope display format It shows the voltage of a waveform record on the vertical axis as it varies over time on the horizontal axis TDS 3000 Series Oscilloscopes Operator Training Kit B 11
37. to adjust the trigger position and examine a waveform in detail Figure 1 6 shows the HORIZONTAL section controls of a TDS3000 oscilloscope HORIZONTAL lt j position gt Figure 1 6 TDS3000 HORIZONTAL section controls 1 20 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes The HORIZONTAL section on the front panel includes the following controls e HORIZONTAL POSITION knob e DELAY button e HORIZONTAL SCALE knob e Zoom button HORIZONTAL POSITION knob The HORIZONTAL POSITION knob allows you to adjust the waveform horizontal position You can also use the HORIZONTAL POSITION knob to move the trigger position of a displayed waveform to full pre trigger full post trigger or any point in between The horizontal expansion point is the selected trigger position within the acquisition and is indicated by the down arrow symbol on screen TDS 3000 Series Oscilloscope Operator Training Kit 1 21 1 Getting Started With TDS3000 Oscilloscopes Note A full pre trigger setting sets the trigger position of a waveform near 100 of a record while a full post trigger setting sets the trigger position near 0 of a record This trigger position selection is possible only when the default HORIZONTAL DELAY function is turned off as explained in the next paragraph The pre trigger percentage appears at the bottom of the display DELAY button The DELAY button
38. trigger event Pulse Wave Represents a sudden change in signal level followed by a return to the original level QuickMenu An alternate display presentation in a TDS3000 oscilloscope that lets you control the most commonly used functions with the bottom and side screen menu buttons RS 232 The serial communication port used to connect to a hard copy device computer controller or terminal Record The specified number of samples in a Length waveform Rectangular Displayed when the high and low time Wave periods of a square wave are unequal TDS 3000 Series Oscilloscopes Operator Training Kit B 7 Appendix B Glossary Reference Waveform Rise Time Sample Acquisition Mode Sample Interval A saved waveform selected for display You can save and display up to four reference waveforms on a TDS200 or TDS3000 oscilloscope depending on the model The time taken by a step or pulse to rise from 10 to 90 amplitude level A mode in which the oscilloscope samples and displays each recorded sample point As more time is required for an acquisition with a fixed record length by changing the time per division the sample interval the time between acquired samples must increase This in turn reduces the displayed sample rate The time interval between successive samples in a waveform record Changing the time base changes the sample interval B 8 TDS 3000 Series Oscilloscopes Operator Training Kit
39. will see a waveform similar to that shown in Figure 6 3 77M 20 0ns A Ch j 0 00000 s Figure 6 3 Automatic measurements Figure 6 3 shows the waveform with the four measurements updating automatically You can use a TDS3000 oscilloscope to take a maximum of four measurements at a time You can select any input channel math channel or reference channel as the input signal for taking measurements 6 8 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls Measuring Two Signals In the previous procedure you took automatic measurements of an input signal You can also use the MEASURE menu function controls to measure two signals simultaneously In the following procedure you will simultaneously measure two signals by using the MEASURE menu function controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To measure two signals by using the MEASURE menu function controls follow these steps 1 Connect the CH2 probe to the CH2 input connecter 2 Connect the CH2 probe tip to the PSEUDO RANDOM signal on pin 5 and the CH2 ground lead to GND on pin 7 of the Training 1 signal board 3 On the Training 1 signal board push the POWER button until the Digital PWR light is on 4 Inthe VERTICAL section push the CH2 button TDS 3000 Series Oscilloscopes Operator Training Kit 6 9 6 Using Menu Function Controls 6 10
40. you need to ground yourself to prevent damage to the ICs ICs have tiny conduction paths that can be damaged by the static electricity that builds up on your body If your body has built up static charge and you touch the leads of an IC you can render the IC useless To prevent damage to ICs you must wear a grounding strap that conducts the static charge from your body to earth ground TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Safety Precautions You must observe certain safety precautions while setting up a TDS3000 oscilloscope in order to avoid injury to yourself and damage to the oscilloscope The following safety precautions are to be adhered to while operating the TDS3000 oscilloscope e Observe and understand all ratings and terminal markings on the oscilloscope before you start using it e Use the power cord designed for the oscilloscope The power cord must have the appropriate power rating as per the specification in your country e Ensure that probes and test leads are not attached to a voltage source while connecting or disconnecting from the oscilloscope TDS 3000 Series Oscilloscope Operator Training Kit 1 61 1 Getting Started With TDS3000 Oscilloscopes 1 62 Ensure that the oscilloscope is properly grounded before you connect the various accessories such as probes to the input or output terminals of the oscilloscope Connect the probe
41. 00 oscilloscope 4 Push the appropriate side screen menu button to select more 1 of 6 TDS 3000 Series Oscilloscopes Operator Training Kit 6 5 6 Using Menu Function Controls 5 Push the appropriate side screen menu button to select Frequency Notice that the average signal frequency is 20 00 MHz and that it updates continuously 6 Push the appropriate side screen menu button to select Positive Pulse Width On TDS3000B models and non B models with version 3 13 or later firmware you will need to advance with more to select the appropriate option Notice that the positive pulse width is updated continuously 7 Push the appropriate side screen menu button to select more until Rise Time appears as a selection on the side screen menu 8 Push the appropriate side screen menu button to select Rise Time Notice that the value updates continuously 6 6 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 9 Push the appropriate side screen menu button to select more until Amplitude appears as a selection on the side screen menu 10 Push the appropriate side screen menu button to select Amplitude Notice that the average amplitude is about 4 10 V and that it updates continuously 11 In the lower right corner of the display section push the MENU OFF button TDS 3000 Series Oscilloscopes Operator Training Kit 6 7 6 Using Menu Function Controls You
42. 0mV Figure 5 8 Step response waveform without ground lead and probe tip extension In this procedure you used the single shot FAST RISE TIME signal on pin 16 of the Training 1 signal board to check the amount of signal distortion caused by the probe tip and ground lead TDS 3000 Series Oscilloscopes Operator Training Kit 5 21 5 Using ACQUIRE Controls Summary In this module you learned how to perform the following tasks 5 22 Set up a TDS3000 oscilloscope for ACQUIRE controls Modify a displayed waveform using the controls of the ACQUIRE section Start and stop signal acquisitions View hidden waveform details using Peak Detect acquisition mode Acquire a waveform by using the Average and Envelope acquisition modes Isolate signal distortions caused by probe leads and ground leads by using a high speed single shot pulse TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls This module focuses on the menu function controls of a TDS3000 oscilloscope In this module you will learn how to use the menu function controls to measure save and modify a displayed waveform This module includes the following sections MEASURE Menu Function Controls SAVE RECALL Menu Function Controls QUICKMENU Function Controls CURSOR Menu Function Controls DISPLAY Menu Function Controls UTILITY Menu Function Controls TDS 3000 Series Oscilloscopes Operator Training Kit 6 1
43. 7 Hz sine wave This signal can be used to demonstrate how to separate differential signals from common mode signals Subtracting one channel from another on a TDS200 or a TDS3000 oscilloscope can reject common mode signals TDS 3000 Series Oscilloscopes Operator Training Kit Appendix A Training 1 Signal Board Signal Definitions Pin 15 VARIABLE AMPL WITH GLITCH Specification Analog signal Frequency 10 Hz Amplitude Variable between 1 V and 4 V following sine wave at 0 1Hz rate 20ns asynchronous glitch 5V amplitude at 1Hz rate Description This signal is a 10 Hz square wave with an amplitude that follows a 0 1 Hz sine wave In addition a 5 VDC 20 ns pulse combines with the signal at an asynchronous 1 Hz rate The glitch is visible on an oscilloscope if the sweep speed is increased and set to trigger on a narrow pulse This signal can be used to demonstrate how to capture and analyze infrequent high speed glitches with the use of the Peak Detect acquisition mode ona TDS200 or a TDS3000 oscilloscope Pin 16 FAST RISE TIME Specification Analog signal Amplitude About 0 6 V 1 ns to 2 ns rise time TDS 3000 Series Oscilloscopes Operator Training Kit A 7 Appendix A Training 1 Signal Board Signal Definitions Description 2x8 Pin Connector A 8 This signal is a 100 ns wide 0 6 Volt pulse with a rise time of lt 2 ns The signal is generated each time the PRESS FOR SINGLE SHOT button is pressed on the
44. Average A mode in which the oscilloscope Acquisition acquires and displays a waveform that Mode is the averaged result of several acquisitions The oscilloscope acquires data as in the sample mode and then averages it according to a specified number of averages Averaging reduces uncorrelated noise in the displayed signal Bandwidth The frequency range of an oscilloscope used to measure a sine wave signal accurately Bandwidth specifies the frequency at which the displayed sine wave reduces to 70 7 of the applied sine wave signal amplitude B 2 TDS 3000 Series Oscilloscopes Operator Training Kit B Trigger Complex Wave Cursors DC Coupling Appendix B Glossary A second trigger that occurs after a given time or number of events from the main A trigger The B trigger can be used in combination with the A trigger to capture complex events Combines the characteristics of sine waves square waves step waves and pulse waves Paired markers that you can use to make measurements between two waveform locations The oscilloscope displays the values expressed in volts time or frequency of the position of the active cursor and the distance between the two cursors A mode that passes both AC and DC signal components to the circuit Available for both the trigger system and the vertical system TDS 3000 Series Oscilloscopes Operator Training Kit B 3 Appendix B Glossary Delay Display Edge Tr
45. ER Controls 0 cccesceeeeeeeeeeeeeeeeeeeeees 4 6 Using Edge TrigQering cccccceesesccteseeeeeseeeeeeeeeeeeees 4 6 Using Variable Trigger Holdoff 0 0 0 0 eeeeeeeeeeeeeeees 4 10 Assigning Trigger Holdoff for an AM Signal 4 12 SUMMARY iolra aeie aetna aeae d beatleetervetens ara an aana 4 16 Using ACQUIRE Controls ccccsceeeeeeeeeeeeeeeeeeeeesaeeeeeeeesaees 5 1 Setting Up ACQUIRE Controls cccceesceeeeeeeeeeeeeeeeeeeees 5 2 Operating ACQUIRE Controls s s s 5 7 Displaying Hidden Waveform Details cere 5 7 Stopping the Acquisition System cccceeeeeeseeeeees 5 9 Using the Average and Envelope Acquisition Modes 5 12 Step RESPONSE cccececceceeeceeeeeeeseeeeeeeeseaeeesaeeeeneeeeaes 5 16 iV aa lait la oei i A a a eer per E 5 22 ii TDS 3000 Series Oscilloscopes Operator Training Kit Using Menu Function Controls ee eeeecesseesseeseeeeeeceneeeneeees 6 1 Setting Up Menu Function Controls cccccessceeeseeeeeees 6 2 Operating the Menu Function Controls 6 4 MEASURE Menu Function Controls 00cccc ee 6 4 SAVE RECALL Menu Function Controls 0 0000 6 16 QUICKMENU Function Control a e 6 22 CURSOR Menu Function Controls 6 25 DISPLAY Menu Function Controls eee 6 28 UTILITY Menu Function Controls eee 6 41 SUMMARY ict hatha a a era tat iat nn laa 6 44 Appendix A Training 1 Signal Board Signal Definitions
46. Inthe HORIZONTAL section push the zoom magnifying glass button Notice that the waveform with bar graph brackets on top of the screen now indicates the total acquired waveform with zoom magnify brackets TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls You will see a display similar to that shown in Figure 3 3 Save Current Setup Recall i Save M 200ns Trig a Recall Factory 2 48 V OK Confirm Factory Init z 200ns A ChI J 0 00000 Recall File Saved Setup a Waveform gt ilitine Labels Setup Chi Waveform Utilities Figure 3 3 Zoom mode waveform display 2 Turn the HORIZONTAL SCALE knob clockwise to set the bottom waveform display for Z 40 0ns This magnifies the displayed waveform centered around the trigger point TDS 3000 Series Oscilloscopes Operator Training Kit 3 9 3 Using HORIZONTAL Controls 3 10 3 Turn the HORIZONTAL POSITION knob clockwise to align the closest rising edge of the lower displayed waveform before the trigger point to the center vertical graticule line of the lower waveform window 4 Turn the HORIZONTAL SCALE knob to further magnify the selected rising edge to Z 4 00ns on the display where Z denotes the zoom mode 5 Inthe ACQUIRE section push the MENU button 6 Push the appropriate bottom screen menu button to select Horizontal Resolution Normal TDS 3000 Series Oscilloscopes Operator Training Kit
47. S 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Menu Option Description Mode You use this option to select the acquisition mode from Sample Peak Detect Envelope and Average Horizontal You use this option to select Resolution between Fast Trigger 500 point and Normal 10 000 point acquisitions for acquiring rapidly changing or stable signals respectively Reset You use this option to set Horizontal Delay orizontal delay time to zero Autoset You use this option to execute and reverse the autoset function WaveAlert You use this option available only on a TDS3000B oscilloscope to detect anomalies on a repeating waveform and act on the capture of each anomaly These actions include Beep Stop Hard Copy and Save Wfms To Disk TDS 3000 Series Oscilloscope Operator Training Kit 1 39 1 Getting Started With TDS3000 Oscilloscopes For procedures using the ACQUIRE controls see Using ACQUIRE Controls starting on page 5 1 Other Controls A TDS3000 oscilloscope has various other controls that you can use to select and modify a displayed waveform This topic covers the following controls on the front panel e SELECT button e General purpose knob e COARSE button e MENU OFF button e Hard copy button 1 40 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes SELECT The SELECT button allows
48. S 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls Using the XY Display Mode You can display waveforms in XY or YT formats When you choose the XY display format Channel 1 is displayed on the horizontal axis and other channels can be displayed on the vertical axis When you choose the YT format the vertical voltage is displayed in relation to time You use the XY display format to measure the phase relationship between two synchronous signals For example you can measure a Quadrature Amplitude Modulation QAM communication signal with an XY constellation diagram The following procedure enables you to see the phase relationship between two synchronous sine waves by displaying the signals in the XY format To use the XY format to display a waveform follow these steps 1 Connect the CH1 probe tip to the 5KHz SINE signal on pin 10 and the CH1 ground lead to GND on pin 8 of the Training 1 signal board TDS 3000 Series Oscilloscopes Operator Training Kit 6 35 6 Using Menu Function Controls 6 36 Connect the CH2 probe tip to the PHASE SHIFTED SINE WAVE signal on pin 11 and the CH2 ground lead to GND on pin 14 of the Training 1 signal board On the Training 1 signal board push the POWER button until only the Analog PWR light is on On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup
49. S 3000 Series Oscilloscopes Operator Training Kit 6 39 6 Using Menu Function Controls 22 In the ACQUIRE section turn the WAVEFORM INTENSITY knob to vary the intensity of the displayed waveform The WAVEFORM INTENSITY knob enables you to vary the intensity of the displayed waveform and see the various intensity grading levels This simulates the intensity graded feature of an analog oscilloscope display This is the intensity grading that the DPO provides Notice the side screen menu button Gated XYZ The Gated XYZ button is used to gate the XY mode by a third channel Using the Gated XYZ mode you can qualify XY sample pairs with a third gating signal This is important when analyzing serial communication signals Quadrature Amplitude Modulation QAM requires three channels in phase signal Q quadrature signal and the qualifying clock signal Measurements are then made by using the Gated XYZ mode to view a constellation diagram of this communication signal This is called physical layer signal analysis In this procedure you saw the phase relationship between two synchronous sine wave signals by displaying these two signals in the XY format 6 40 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls UTILITY Menu Function Controls The UTILITY menu function controls provide access to the different utilities of a TDS3000 oscilloscope The UTILITY menu function controls enabl
50. S3000 Oscilloscopes FORCE TRIG button The FORCE TRIG button forces a trigger event You can use this button to force a trigger even in the absence of an input signal This function is useful when using Normal selectable in TRIGGER MENU Mode amp Holdoff or SINGLE SEQ selectable on the front panel trigger modes B TRIG button The B TRIG button activates a second B trigger in addition to the existing A trigger An indicator light next to the B TRIG button indicates whether the B trigger is on or off To activate the menu based functions for the B trigger follow these steps 1 Inthe VERTICAL section push the OFF button to turn off the MATH waveform 2 Inthe TRIGGER section push the MENU button 3 Inthe TRIGGER section push the B TRIG button 1 26 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes The B TRIG menu is activated at the bottom of the display as shown in Figure 1 8 E Trigger After A Set to Delay Time Be i Then Set to Os Set to Min ly NA B Events 1 M400us A chi s 284Vv B 11 6 00 Set to Min 0 000005 Bagel Source Coupling Slope Level chi DC J 0 00 V Time Figure 1 8 Menu based controls for the B TRIG button Menu Option Description B Trigger After A You use this option to set the B trigger conditions for after the A trigger has triggered the input signal TDS 3000 Series Oscilloscope
51. Sample This option may be selected by default TDS 3000 Series Oscilloscopes Operator Training Kit 5 5 5 Using ACQUIRE Controls 16 In the HORIZONTAL section turn the SCALE knob counterclockwise to set the displayed timebase to M 200ms You will see a waveform similar to that shown in Figure 5 2 PrTrig Acquisition Mode Sample an wh Peak Detect lt 250MS s p Envelope 16 i y Average 16 M200ms A Chi Z 8300mV ig Horizontal Reset Resolution Horizontal Autoset WaveAlert Sample Rate Mode Sample Normal Delay 5 00kS s Figure 5 2 Noisy variable amplitude signal 5 6 TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls Operating ACQUIRE Controls You can control how an oscilloscope acquires signals and displays waveforms using the ACQUIRE controls on a TDS3000 oscilloscope Displaying Hidden Waveform Details Figure 5 2 shows a noisy variable amplitude signal However the signal has more details than that are visible on the oscilloscope display You can view the waveform in detail using the controls of the ACQUIRE section The following procedure enables you to capture very fast glitches by acquiring a waveform with the SINGLE SEQ acquisition mode combined with the Peak Detect acquisition mode Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To view a signal in detail follow these steps
52. TDS3000 amp TDS3000B Digital Phosphor Oscilloscopes Operator Training Kit Manual QUOT AO ANU UIDI OUIOT I TUDO UTTO Tektronix 071 1051 01 7 Tektronix 7 TDS3000 amp TDS3000B Operator Training Kit Manual 071 1051 01 www tektronix com This product training document file is protected by Copyright Tektronix Inc All rights reserved End users of this Tektronix product training document file are permitted to print any portion of this file or copy the electronic file for personal use Print or electronic reproduction of this product training document file for resale is strictly prohibited Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix Inc WARRANTY Tektronix warrants that the parts assemblies and supplies products that it manufactures and sells will be free from defects in materials and workmanship for a period of three 3 months from the date of shipment If a 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 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 defecti
53. TDS3000 oscilloscope The features of the Training 1 signal board that will be used for operational procedures in this Operator Training Kit The procedure of compensating a passive probe for use with a TDS3000 oscilloscope TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls This module focuses on using the VERTICAL controls of a TDS3000 oscilloscope to modify the displayed waveform This module includes the following sections e Setting Up a TDS3000 Oscilloscope for VERTICAL Controls e Operating VERTICAL Controls TDS 3000 Series Oscilloscopes Operator Training Kit 2 1 2 Using VERTICAL Controls Setting Up VERTICAL Controls Figure 2 1 shows the VERTICAL controls of a TDS3000 oscilloscope Figure 2 1 TDS3000 VERTICAL controls Before you begin using the VERTICAL controls of a TDS3000 oscilloscope you must set up the oscilloscope for operation exercises with the VERTICAL controls 2 2 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls The following procedure sets up a TDS3000 oscilloscope for use with the VERTICAL controls To set up a TDS3000 oscilloscope for the VERTICAL controls follow these steps a Connect a P6139A 10X passive voltage attenuation probe to the CH1 connector on the TDS3000 front panel Remove the CH2 probe from the CH2 input connector if it is connected Connect the CH1 probe tip to the D 10 MHz signal
54. TICAL POSITION knob allows you to adjust the vertical position of a displayed waveform up and down on the oscilloscope display When you change the vertical position of a waveform the expansion reference arrow at the left of the selected waveform follows the change in position 1 12 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes In addition if that channel is selected as the trigger then the trigger level arrow at the right of the screen also follows the change in position of the waveform OFF button The OFF button removes a selected waveform from the oscilloscope display To remove a waveform select the waveform by pushing the appropriate channel selection button and then push the waveform OFF button VERTICAL SCALE knob The VERTICAL SCALE knob adjusts the vertical scale of the selected displayed waveform The vertical voltage scale is typically measured in volts division For example if the volts div setting is 2 volts then each division on the vertical axis of the display graticule represents 2 volts Therefore an entire graticule of eight vertical divisions can display 16 volts when the volts div setting is 2 volts Note The vertical scale can also be amperes division for a current probe or watts division for a MATH function TDS 3000 Series Oscilloscope Operator Training Kit 1 13 1 Getting Started With TDS3000 Oscilloscopes Channel selection and refere
55. Training 1 signal board This signal can be used to demonstrate the unwanted effects of the ground lead when probing high speed circuits D_10MHz Duplicate of the 10 MHz data signal from pin 3 Q_META Duplicate of the METASTABLE signal from pin 6 PSEUDO Duplicate of the PSEUDO RANDOM signal from pin 5 CNTO CNT1 CNT2 and CNT3 This signal is a 10 MHz count pattern that is run continuously TDS 3000 Series Oscilloscopes Operator Training Kit Appendix B Glossary Term Description AC A mode that blocks the DC component Coupling of a signal but passes the dynamic AC component of the signal Useful for observing an AC signal that is normally riding on a DC signal Acquisition The process of sampling signals from input channels digitizing the samples processing the results into data points and assembling the data points into a waveform record The waveform record is stored in memory Attenuation The degree the amplitude of a signal is reduced when it passes through an attenuating device such as a probe or attenuator the ratio of the input measure to the output measure Auto A trigger mode that causes the Trigger oscilloscope to automatically acquire if Mode it does not detect a valid trigger event TDS200 Series Digital Oscilloscope Operator Training Kit B 1 Appendix B Glossary Autoset A feature that automatically sets the vertical horizontal and trigger controls to provide a usable display
56. at the oscilloscope is set to its default setting To set up a TDS3000 oscilloscope for the TRIGGER controls follow these steps 1 Connect the CH1 probe tip to the PSEUDO RANDOM signal on pin 5 and the CH1 ground lead to GND on pin 7 of the Training 1 signal board 2 On the Training 1 signal board push the POWER button until the Digital PWR light is on 3 On the top of the front panel push the SAVE RECALL menu button TDS 3000 Series Oscilloscopes Operator Training Kit 4 3 4 Using TRIGGER Controls 4 Push the appropriate bottom screen menu button to select Recall Factory Setup 5 Push the appropriate side screen menu button to select OK Confirm Factory Init 6 Inthe ACQUIRE section push the AUTOSET button 7 Inthe VERTICAL section turn the SCALE knob to set Ch1 for 1 00V on the oscilloscope display 8 Use the VERTICAL POSITION knob to center the trace 4 4 TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls You will see a waveform similar to that shown in Figure 4 2 Save Current Setup Recall Factory M100ns A Confirm 9 00000 Factory Init Recall Recall Save Recall File waveform Utilities abels Saved Factory Waveform Setup Setup Chi Figure 4 2 Pseudo random signal Your TDS3000 oscilloscope is now set up for use with the TRIGGER controls The next section covers various procedures that you can use to trigger complex signals an
57. ce enveloped data with spikes as shown in Figure 5 6 Acquisition Mode Sample wm kad 4 Peak Detect A 250MS s a Envelope Average 16 M20 0ms A 11 Ff s00mVv Horizontal Reset yo Resolution Horizontal Autoset WaveAlert sample Rate Normal Delay 50 0kS s Figure 5 6 Accumulated peak detected waveforms with the Envelope acquisition mode TDS 3000 Series Oscilloscopes Operator Training Kit 5 15 5 Using ACQUIRE Controls You observed that signal noise is reduced when you shift from the Sample to the Average acquisition mode When you shift to the Envelope mode you can see both old and new peak detected data This is possible because the Envelope mode accumulates peak detected waveforms continuously until acquisitions are stopped Step Response 5 16 Probes and ground leads can cause signal distortions Probe tips and ground leads have both capacitance and inductance This probe capacitance and inductance can interact with the circuit to cause a damped sinusoidal variation on pulses with fast edge transitions This effect of a probe tip and a ground lead on a pulse waveform is called ringing Probe loading caused by a probe tip lead and ground lead can cause incorrect measurements and or the circuit to fail TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls The following procedure enables you to check the amount of signal distortion caused by the probe tip a
58. cent of the signal amplitude or to a specific level in vertical units such as volts TDS 3000 Series Oscilloscopes Operator Training Kit 6 15 6 Using Menu Function Controls SAVE RECALL Menu Function Controls You can save and recall instrument setups and waveforms in a TDS3000 oscilloscope You can use the SAVE RECALL menu function controls to save and recall up to 10 instrument setups In addition the SAVE RECALL menu function controls allow you to save a waveform from any input channel MATH or reference memory location and save this waveform to one of four nonvolatile memory locations or to a floppy disk Saving and Recalling an Instrument Setup In the following procedure you will save and recall an instrument setup by using the SAVE RECALL menu function controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To save and recall an instrument setup in a TDS3000 oscilloscope follow these steps 1 On the top of the front panel push the SAVE RECALL menu button 6 16 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 2 Push the appropriate bottom screen menu button to select Save Current Setup Observe that the side screen menu provides options to save the selected instrument setup to one of the 10 internal setup memory locations or to a floppy disk 3 Push the appropriate side screen menu button to select T
59. ction You can also remove the waveform from the display by selecting a waveform and then pushing the OFF button in the VERTICAL section In addition you can select different settings for each channel by using the VERTICAL MENU button to activate the vertical menu and then select the required menu options TDS 3000 Series Oscilloscope Operator Training Kit 2 11 2 Using VERTICAL Controls Switching the Input Coupling Coupling is used to connect an electrical signal from one device to another An example of coupling is connecting the Training 1 signal board to a TDS3000 oscilloscope A TDS3000 oscilloscope allows you to select AC DC or ground coupling The following procedure enables you to view how different input coupling settings affect the displayed waveform Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To switch between AC and DC coupling follow these steps 1 Inthe VERTICAL section push the CH1 button 2 Inthe TRIGGER section use the LEVEL knob to set the trigger level for 3 00V on the oscilloscope display 3 Push the appropriate bottom screen menu button to select Coupling DC 2 12 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls Push the appropriate side screen menu button to select AC Note that the triggering for the signal stops and the waveform shifts down The waveform shifts down because AC coup
60. d examine waveform details that are difficult to detect TDS 3000 Series Oscilloscopes Operator Training Kit 4 5 4 Using TRIGGER Controls Operating TRIGGER Controls After you set up a TDS3000 oscilloscope for TRIGGER controls you can set a trigger for incoming signals The advanced triggering functions of a TDS3000 oscilloscope allow you to trigger a complex signal and examine signal details Using Edge Triggering You use Edge triggering to trigger on the rising or falling edge of an input signal at the signal threshold The following procedure enables you to locate and identify signal details by using Edge triggering Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To use Edge triggering to trigger on a signal follow these steps 1 Inthe TRIGGER section push the MENU button 2 Push the appropriate bottom screen menu button to select Type Edge 4 6 TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls 3 Push the appropriate bottom screen menu button to select Source Ensure that Ch1 is selected as the source 4 Push the appropriate bottom screen menu button to select Coupling 5 Push the appropriate side screen menu button to select DC This option may be selected by default 6 Push the appropriate bottom screen menu button to select Slope 7 Push the appropriate side screen menu button to select the risi
61. d lead to GND on pin 1 of the Training 1 signal board On the Training 1 signal board push the POWER button until the Digital PWR light is on On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup Push the appropriate side screen menu button to select OK Confirm Factory Init In the VERTICAL section turn the SCALE knob to set CH1 for 2 00V on the oscilloscope display TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls 7 Inthe TRIGGER section turn the LEVEL knob to set the trigger level for 3 00 V on the oscilloscope display 8 Inthe ACQUIRE section turn the WAVEFORM INTENSITY knob to increase the intensity of the displayed waveform to maximum 9 Inthe HORIZONTAL section turn the POSITION knob counterclockwise until the first pulse after the trigger is aligned with the center vertical graticule line In this step you introduced a delay of about 1 45000ms 10 Turn the HORIZONTAL SCALE knob to set the timebase to M 1 00us 11 Turn the HORIZONTAL POSITION knob to position the waveform at the center of the oscilloscope display as best as possible TDS 3000 Series Oscilloscopes Operator Training Kit 3 17 3 Using HORIZONTAL Controls You will see a waveform similar to that shown in Figure 3 6 These unstable signals overlapping on the screen are an overlap of many different de
62. d the CH1 ground lead to GND on pin 14 of the Training 1 signal board 2 On the Training 1 signal board push the POWER button until only the Analog PWR light is on 3 On the top of the front panel push the SAVE RECALL menu button 4 Push the appropriate bottom screen menu button to select Recall Factory Setup TDS 3000 Series Oscilloscopes Operator Training Kit 5 3 5 Using ACQUIRE Controls 5 4 Push the appropriate side screen menu button to select OK Confirm Factory Init In the TRIGGER section push the MENU button Push the appropriate bottom screen menu button to select Coupling Push the appropriate side screen menu button to select HF Reject HF Reject coupling filters the high frequency noise from the input signal In the TRIGGER section turn the LEVEL knob to set the trigger level to 800mV on the oscilloscope display Push the appropriate bottom screen menu buttons to select Mode Auto amp Holdoff TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls 11 Push the appropriate side screen menu buttons to select Normal 12 In the VERTICAL section turn the POSITION knob to position the waveform down to fit the oscilloscope display 13 In the ACQUIRE section turn the WAVEFORM INTENSITY knob clockwise for maximum display intensity 14 In the ACQUIRE section push the MENU button 15 Push the appropriate bottom screen menu button to select Mode
63. e you to perform various tasks These tasks may include changing the display language setting up the hard copy parameters or executing diagnostic checks on the oscilloscope functions The following procedure demonstrates the steps to set up a TDS3000 oscilloscope to save or copy a screen image to a file To set up an oscilloscope to save or copy a screen image to a file follow these steps 1 Connect the CH1 probe tip to the CLK 20 MHz signal on pin 2 and the CH 1 ground lead to GND on pin 1 of the Training 1 signal board 2 On the Training 1 signal board push the POWER button until only the Digital PWR light is on 3 On the top of the front panel push the SAVE RECALL button 4 Push the appropriate bottom screen menu button to select Recall Factory Setup TDS 3000 Series Oscilloscopes Operator Training Kit 6 41 6 Using Menu Function Controls 6 42 Push the appropriate side screen menu button to select OK Confirm Factory Init In the ACQUIRE section push the AUTOSET button On the top of the front panel push the UTILITY menu button Push the appropriate bottom screen menu button to select System Config and then keep pushing the same button until you select System Hard Copy Push the appropriate bottom screen menu button to select Format Push the appropriate bottom screen menu button to select more until TIFF appears as a selection on the side screen menu Push the appropriate side scr
64. een menu button to select TIFF Push the appropriate bottom screen menu button to select Options Push the appropriate side screen menu button to select Landscape TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 14 Push the appropriate bottom screen menu button to select Port 15 Push the appropriate side screen menu button to select File 16 Push the appropriate bottom screen menu button to select Format TIFF You will see a display similar to that shown in Figure 6 14 Hard Copy Format Epson 9 amp 24 pin dot matrix printer TIFF Tag Image File Format EPS Mono Encapsulated Postscript mono image EPS Color Encapsulated Postscript 1 color image M20 0ns A Chl 2 76V more 2of4 0 00000 5 Format Options Ink Saver Port File Clear TIFF Landscape off File Utilities Spool System prd Copy Figure 6 14 Utility setup to save or copy a screen image to a file Figure 6 14 shows the setup that enables the Hard Copy function Each time the hard copy button with a printer icon located at the lower left corner of the oscilloscope display is pushed the defined hard copy setup is executed TDS 3000 Series Oscilloscopes Operator Training Kit 6 43 6 Using Menu Function Controls Summary 6 44 In this module you learned how to use the menu options for the following menu function controls MEASURE SAVE RECALL QUICKMENU CURSOR
65. etect 2 Push the appropriate side screen menu button to select Sample 3 Inthe ACQUIRE section turn the WAVEFORM INTENSITY knob clockwise to increase the waveform to maximum intensity 4 Inthe HORIZONTAL section turn the SCALE knob clockwise to set the displayed time base to M 20 0ms You can see a noisy trace on the screen TDS 3000 Series Oscilloscopes Operator Training Kit 5 13 5 Using ACQUIRE Controls 5 Push the appropriate side screen menu button to select Average You can see traces on screen with less noise 6 Inthe ACQUIRE section push the RUN STOP button 7 Inthe VERTICAL section turn the POSITION knob to move the trace a small amount You now see only the last averaged acquisition as shown in Figure 5 5 Acquisition Mode Sample sgh Peak Detect lt 250MS s em lee Envelope 16 Average M20 0ms A 800mvV 0 00000 5 Horizontal Reset Acquisitions 44 Resolution Horizontal Autoset WaveAlert Sample Rate Normal Delay 50 0kS 5 Mo Average Figure 5 5 Reduced signal noise with the Average acquisition mode 5 14 TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls 8 Inthe ACQUIRE section push the RUN STOP button to restart the acquisitions 9 Push the appropriate side screen menu button to select Envelope 10 At the top of the front panel turn the general purpose knob clockwise to set the envelope to Infinity You will noti
66. f a waveform as 2 seconds division then each division on the horizontal axis of the display graticule represents 2 seconds Therefore a graticule with 10 horizontal divisions can represent a waveform with a displayed time of 20 seconds POSITION knob The HORIZONTAL POSITION knob is used to adjust the trigger point location relative to the acquired waveforms TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls When you push the COARSE button on the top of the front panel you can make adjustments with larger increments using the POSITION knob After setting up a TDS3000 oscilloscope for HORIZONTAL controls you can begin the procedures to modify a displayed waveform and take measurements Affecting the Acquisition and Display of a Waveform The HORIZONTAL POSITION knob is used to change the horizontal position of a displayed waveform You can also use the HORIZONTAL POSITION knob in combination with other controls of the HORIZONTAL section to view specific details of a displayed waveform TDS 3000 Series Oscilloscopes Operator Training Kit 3 7 3 Using HORIZONTAL Controls 3 8 The following procedure demonstrates the steps to select a portion of a displayed waveform by using the HORIZONTAL POSITION knob Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To change the horizontal position of a waveform follow these steps 1
67. ference location by using the SAVE RECALL menu function controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To save a waveform to a reference location follow these steps 1 On the top of the front panel push the SAVE RECALL menu button 2 Push the appropriate bottom screen menu button to select Save Waveform 3 Push the appropriate side screen menu button to select To Ref1 TDS 3000 Series Oscilloscopes Operator Training Kit 6 19 6 Using Menu Function Controls To recall a saved waveform from a reference location follow these steps 1 On the top of the front panel push the SAVE RECALL menu button 2 Push the appropriate bottom screen menu button to select Recall Waveform 3 Push the appropriate side screen menu button to select Ref1 The reference waveform appears over the original waveform and is displayed in white color The following procedure enables you to control the display of the reference waveform follow these steps To modify the position of the reference waveform 1 In the VERTICAL section turn the POSITION knob to move the reference waveform away from the live waveform 6 20 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 2 Inthe VERTICAL section push the white REF button 3 Inthe VERTICAL section push the OFF button 4 Push the appropriate bottom screen menu button to
68. form again turns very dim TDS 3000 Series Oscilloscope Operator Training Kit 2 7 2 Using VERTICAL Controls You will see a waveform similar to that shown in Figure 2 3 Prevu Save Recall Current Saved Setup Setup Setup Recall Factory 2 48 V OK Confirm Factory Init M40 0ns A Chi S 0 00000 Save i Rg Recall File Savan Waveform Utilities Labels Figure 2 3 Dimmed waveform display with stopped signal acquisition and shifted waveform 5 Inthe ACQUIRE section push the RUN STOP button to resume signal acquisition The waveform appears dim because the oscilloscope display shows only the last sampled acquisition after the signal acquisition is stopped TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls When you change the vertical position of the waveform the oscilloscope displays the last waveform saved by the intensity graded display Working with Channel Displays You can simultaneously view multiple waveforms on a TDS3000 oscilloscope These include up to four waveforms from the input channels four saved reference waveforms and a math waveform Note Two channe TDS3000 models display fewer waveforms You can also choose to view the entire display in monochrome or each waveform in a different color Note All reference waveforms are displayed in the white color The following procedure enables you to simultaneously display waveforms for all
69. ger 500 points mode 3 14 TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls When you switch between Fast Trigger 500 points and Normal 10k points the oscilloscope maintains the main waveform at the same time per division setting to ensure a constant view This means that the sample rate on the bottom of the oscilloscope display changes by as much as 20 to 1 This occurs when you switch between 500 points and 10 000 points Delaying the Acquisition of a Waveform The A trigger is the main reference for all acquisitions in a TDS3000 oscilloscope However you can also set a B trigger to trigger events that occur after the A trigger A TRIG and B TRIG can have separate sources coupling polarity and levels In digital systems one event may be used to enable the start of another event However the second event may not always be at a predictable time delay from the first enabling event You can use the DELAY function in combination with the B trigger to reference the second event TDS 3000 Series Oscilloscopes Operator Training Kit 3 15 3 Using HORIZONTAL Controls The following procedure enables you to use a second trigger to stabilize a displayed signal that is enabled after a specified delay from the first trigger To delay the signal acquisition to the B TRIG follow these steps 1 3 16 Connect the CH1 probe tip to the BURST signal on pin 4 and the CH1 probe groun
70. gered Roll Normal Holdoff Time Holdoff of record j 627 00000 M4 00ns A Chi S 300mV Set to Min 0 000005 Mode Normal amp Holdeg Source Coupling Slope Level chi DC J 300mY Figure 5 7 Step response waveform with ground lead Note the large ring caused by the probe tip and the ground lead The overshoot and ringing in the waveform is caused by the inductance of the probe ground and signal tip leads that interact with the probe and circuit capacitance TDS 3000 Series Oscilloscopes Operator Training Kit 5 19 5 Using ACQUIRE Controls 5 20 To view the step response signal without overshoot and ringing follow these steps 1 2 Pull the probe tip out of the probe tip lead Unscrew the plastic barrel sleeve from the probe tip and insert the exposed probe tip into the probe socket Ensure that the probe barrel is grounded against the socket ground On the Training 1 signal board push the PRESS FOR SINGLE SHOT button Notice that the step response waveform does not have ringing when the probe ground and signal tip leads are kept short TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls You will see a waveform similar to that shown in Figure 5 8 Trig Mode amp Holdoff Auto Uniriggered Roll Normal Holdoff Time Holdoff of record 627 00000 Mid 00ns A 1 300mvV Set to Min Mode Normal amp Holdog Level 30
71. gering This Operator Training Kit does not cover the operation of these advanced triggering functions For more information about these advanced triggering functions contact your Tektronix representative Edge Triggering Edge type triggering is used to trigger a signal on the rising or falling edge of an input signal at a specified signal level value The Type bottom screen menu and side screen menu options are used to configure your edge trigger settings TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Menu Option Description Source You use this option to select the edge trigger signal source Available sources include input channels the AC power line an external signal available on four channel TDS3000B oscilloscopes and all two channel TDS3000 models the lowest numbered active channel in the display or alternating on all active channels available only on TDS3000B oscilloscopes Coupling You use this option to select DC HF Reject LF Reject or Noise Reject coupling for a trigger Slope You use this option to set a trigger on the rising or falling edge of a signal TDS 3000 Series Oscilloscope Operator Training Kit 1 31 1 Getting Started With TDS3000 Oscilloscopes Level You use this option to change the trigger threshold voltage level Mode amp Holdoff You use this option to control the trigger mode and holdoff settings Video Triggering
72. gger level for 3 00 V on the display 20 Push the appropriate side screen menu button to select Set to Delay Time B Notice that the B Trigger After A changes to about 800us This means that B Trig is now enabled after a delay of about 800us 21 In the HORIZONTAL section turn the SCALE knob to set the time base to M 100ns 3 20 TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls You should now see a stabilized B trigger display as shown in Figure 3 7 B Trigger After A rt Time 1 Set to Delay Time B Then set y to 0s set to Min F Va B Events 1 M100ns A Chi J 3 00V B Chi s 3 00vf Setto Min 0 00000 B Trigger Source Coupling Slope Level Chi DC JT s AfterA Time 3 00 V Figure 3 7 B TRIG enabled after a delay of about 800us This procedure enables B trigger after A trigger to stabilize unpredictable delayed events on the display To summarize you can use a second trigger B Trig to stabilize a displayed signal that is enabled after a specified delay from the first trigger A Trigger TDS 3000 Series Oscilloscopes Operator Training Kit 3 21 3 Using HORIZONTAL Controls Summary In this module you learned to perform the following tasks 3 22 Set up a TDS3000 oscilloscope for use with the HORIZONTAL controls Modify the horizontal scale of a displayed waveform using the HORIZONTAL SCALE knob Change the horizontal position
73. gital signal 4 V peak to peak This signal is a 10 MHz digital data signal BURST also found on the 2x8 pin connector Digital signal 4 V peak to peak This signal is a repetitive pulse stream consisting of four groups of eight 16 to 24 ns pulses separated by 1 3 ms of inactivity Verification of this signal requires two measurements at two different time scales A 3 Appendix A Training 1 Signal Board Signal Definitions Pin 5 Specification Description Pin 6 Specification Description A 4 PSEUDO RANDOM 20 MHZ digital clock signal 3 V peak to peak This NRZ OC1 pseudo random signal can be used to show how to trigger on a complex yet repeating signal sequence such as a communication signal or computer control signal with the use of trigger holdoff on a TDS200 or a TDS3000 oscilloscope METASTABLE Digital signal 3 V peak to peak This signal is a 10 MHz square wave that contains an occasional glitch caused by a metastable state in the flip flop A logic analyzer or an advanced oscilloscope set to trigger on narrow pulse widths will find these glitches TDS 3000 Series Oscilloscopes Operator Training Kit Appendix A Training 1 Signal Board Signal Definitions Pin 9 AM SIGNAL Specification Analog signal Frequency 5 kHz sine wave with 1 MHz carrier Amplitude 3 V peak to peak Description This amplitude modulated signal uses a 5 kHz sine wave signal source and a 1 MHz carrier frequency The outp
74. ht variations between oscilloscopes and even between different input channels in an oscilloscope To minimize these variations attenuating passive probes 10X and 100X probes have built in compensation networks You need to adjust this network to compensate the probe for the oscilloscope channel that you are using Note You should compensate a passive voltage attenuation probe every time you change a probe channel connection on your TDS3000 oscilloscope This ensures that the probe accurately transfers the signal from a signal source to the oscilloscope TDS 3000 Series Oscilloscope Operator Training Kit 1 67 1 Getting Started With TDS3000 Oscilloscopes The following procedure enables you to balance the capacitive elements of the CH1 and CH2 probes with an oscilloscope by compensating the probes Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To compensate the CH1 and CH2 probes follow these steps Ls 1 68 Connect a P6139A 10X passive voltage attenuation probe to the CH2 input connector Attach the CH2 probe tip and the ground lead to PROBE COMP and the ground connectors respectively Both Channel 1 and Channel 2 probes should now be connected to the PROBE COMP pin In the VERTICAL section push the CH2 button to activate Channel 2 In the ACQUIRE section push the AUTOSET button In the VERTICAL section turn the SCALE knob to set CH1 to 2 00V on
75. igger Envelope Acquisition Mode External Trigger A means to delay the acquisition to start after the trigger event has occurred The trigger point need not be within a waveform when delay is on The word used to refer to the screen of the oscilloscope Triggering that occurs when the oscilloscope detects the source passing through a specified voltage level in a specified direction the trigger slope An acquisition mode in which a TDS3000 oscilloscope acquires and displays a waveform that shows the variation extremes of several acquisitions Triggering that occurs when the oscilloscope detects the external input signal passing through a specified voltage level in a specified direction B 4 TDS 3000 Series Oscilloscopes Operator Training Kit Frequency Ground GND Coupling Ground Lead Hard Copy Holdoff Horizontal Cursors Appendix B Glossary Represents the number of times a signal repeats itself in one second The frequency of a signal is measured in Hertz Hz Coupling option that disconnects the input signal from the vertical system The ground reference lead for an oscilloscope probe An electronic copy of the display in a format useable by a printer or plotter A specified amount of time that must elapse after a trigger signal before the trigger circuit will accept another trigger signal Holdoff helps ensure a stable display The two horizontal bars that you position to
76. input channels of a TDS3000 oscilloscope TDS 3000 Series Oscilloscope Operator Training Kit 2 9 2 Using VERTICAL Controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To activate all input channels follow these steps 1 2 In the VERTICAL section push the MENU button In the VERTICAL section push the CH2 button to display the blue CH2 waveform Turn the VERTICAL POSITION knob to position the CH2 trace just below the yellow CH1 waveform If you have a 4 channel model push the CH3 button to display the pink CH3 waveform Turn the VERTICAL POSITION knob to position the CH3 trace just below the blue CH2 trace If you have a 4 channel model push the CH4 button to display the green CH4 trace Turn the VERTICAL POSITION knob to position the CH4 trace just below the pink CH3 trace Note Two channel TDS3000 models will not display CH3 pink or CH4 green waveforms 2 10 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls You will see a display similar to that shown in Figure 2 4 Trig d Coupling amp Impedance DC AC AL M40 0ns A Chl S 2 48V Q 0 00000 5 1M 50 Scale Probe Position Offset Setup 1X 2 28 div 0 000 V i Fine Coupling Invert Bandwidth 0 f C off ee Figure 2 4 4 Channel display You can select any waveform by pushing the appropriate channel button in the VERTICAL se
77. is installed on your TDS3000 oscilloscope Note All TDS3000B oscilloscopes include the TDS3FFT application module TDS 3000 Series Oscilloscope Operator Training Kit 1 17 1 18 1 Getting Started With TDS3000 Oscilloscopes To activate the MATH menu controls perform the following step In the VERTICAL section push the MATH button The MATH menu is activated at the bottom of the display Figure 1 5 shows the TDS3000 oscilloscope MATH menu based controls Edit Math Definition Set Ist Source to Set Operator to Set 2nd Source to M400ms A 0 000005 Dual Wim Math FFT Figure 1 5 TDS3000 oscilloscope MATH men based controls TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes The MATH menu provides the following options on the bottom screen and associated side screen menus Dual Wfm Math You use this option to select the source waveforms and the math operation to be performed For procedures using the VERTICAL controls see Using VERTICAL Controls starting on page 2 1 TDS 3000 Series Oscilloscope Operator Training Kit 1 19 1 Getting Started With TDS3000 Oscilloscopes HORIZONTAL Section Controls This topic describes the HORIZONTAL section controls You use the HORIZONTAL controls to modify the horizontal scale of the display which represents the time base of a displayed waveform You can also use the HORIZONTAL controls
78. l for different values TDS 3000 Series Oscilloscopes Operator Training Kit 4 9 4 Using TRIGGER Controls Using Variable Trigger Holdoff You can use variable trigger holdoff on a TDS3000 oscilloscope to stabilize a complex repeating signal on the oscilloscope display The following procedure enables you to set a TDS3000 oscilloscope to trigger on a complex repeating signal Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To use trigger holdoff to trigger on a complex repeating signal follow these steps 1 In the TRIGGER section push the Set To 50 button 2 Push the appropriate bottom screen menu button to select Mode Normal amp Holdoff 3 Push the appropriate side screen menu button to select Holdoff Time 4 On top of the front panel turn the general purpose knob to set the holdoff time on the oscilloscope display for 5 90us 4 10 TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls You will see a waveform similar to that shown in Figure 4 4 Mode amp Holdoff Auto Untriggered Roll Normal Holdolf Time Holdoff of record 590 04000 M 100ns A y Set to Min 0 00000 Mode Normal amp Holdog Level 1 74 V Source Coupling Slope chi DC y Figure 4 4 Triggering on complex repeating signals using trigger holdoff In the above procedure you set a TDS3000 oscilloscope to
79. lay conditions Recall Factory M1 00us A Chi OK EA Confirm 1 45018ms Factory Init Save Recall Recall Save Recall File Current Saved Factory Waveform oe iliti labels Setup Setup Setup Chi Waveform Utilities Figure 3 6 Unstable overlapping waveforms Notice that the trigger markers show that the trigger point is positioned before the acquired waveform The delay time shown in the readout on the oscilloscope display is the time from the trigger point to the expansion point at the center screen 3 18 TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls 12 In the TRIGGER section push the MENU button 13 Push the appropriate bottom screen menu button to select Mode Auto amp Holdoff 14 Push the appropriate side screen menu button to select Holdoff Time 15 At the top of the front panel turn the general purpose knob to set the holdoff time between 10 000us and 11 000us Notice that the waveform still overlaps on the oscilloscope display 16 In the HORIZONTAL section turn the SCALE knob to set the timebase to M 400us 17 Turn the HORIZONTAL POSITION knob clockwise until the larger orange T at the top of the display is two divisions left from the center of the oscilloscope display TDS 3000 Series Oscilloscopes Operator Training Kit 3 19 3 Using HORIZONTAL Controls 18 In the TRIGGER section push the B TRIG button 19 Turn the LEVEL knob to set the B tri
80. ling blocks the DC component of the signal However the auto baseline trigger causes an untriggered waveform to appear on the oscilloscope display Push the appropriate side screen menu button to select DC Push the appropriate bottom screen menu button to select Fine Scale On the top of the front panel turn the general purpose knob counterclockwise to vary the volts division scale TDS 3000 Series Oscilloscope Operator Training Kit 2 13 2 Using VERTICAL Controls You will see a waveform similar to that shown in Figure 2 5 Trig d ct Fine Scale Fine Scale M40 0ns A 0 00000 Probe Coupling Invert Bandwidth Fine Scale position Offset Setun DC off Full iY 20 0mdiv 0 000 V T Figure 2 5 Modified input coupling Notice that the general purpose knob adjusts the volts div scale with a very fine resolution In addition when you vary the size of the waveform on the oscilloscope display the trigger level moves up and down with the waveform 2 14 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls Using Vertical Offset Controls At times you may need to look at high amplitude signals or small signal details at very high resolutions You can view such signal details by using the vertical Offset control The following procedure enables you to change the vertical expansion reference with respect to the waveform by using the vertical Offset control You will also cha
81. lope to be on the falling edge option TDS 3000 Series Oscilloscopes Operator Training Kit 6 23 6 Using Menu Function Controls You will see a display similar to that shown in Figure 6 8 TRIGGER A Trig Type Edge Video Mode Aulo Normal Source wi p 1 Alt Ext Ext 10 AC Line Coupling DC Noise HF Reject LF Reject Slope M 20 0ns A X 2 48 Vile 2 00 y 20 0ns 0 0 VERTICAL CH1 ACQUIRE CURSOR Coupling Impedance Bandwidth Fast Tri Mode DOSAGE 1M S082 20 MHz AANO vq Figure 6 8 QUICKMENU display You can also use the QUICKMENU display to access and change various oscilloscope setup functions that are not directly accessible through the front panel or a single button push 6 24 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls CURSOR Menu Function Controls The CURSOR menu function controls allow you to determine the vertical or horizontal waveform voltage amplitude and time frequency values You can use the CURSOR menu function controls to manually select the paired horizontal H Bars voltage and vertical V Bars time and view their positions You can toggle between the vertical or horizontal cursors by using the SELECT button on the top of the front panel You can also control the position of these cursors by using the general purpose knob The active cursor is displayed as the solid line while the non active cursor is displayed as the dotted line The c
82. n 3 and the CH1 probe ground lead to GND on pin 1 of the Training 1 signal board 2 On the Training 1 signal board push the POWER button until the Digital PWR light is on 3 Atthe top of the front panel push the SAVE RECALL menu button 4 Push the appropriate bottom screen menu button to select Recall Factory Setup 6 30 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 5 Push the appropriate side screen menu button to select OK Confirm Factory Init 6 Inthe ACQUIRE section push the AUTOSET button 7 Inthe HORIZONTAL section turn the SCALE knob counter clockwise to set the timebase for M 1 00us 8 Inthe ACQUIRE section turn the WAVEFORM INTENSITY knob clockwise to set to maximum intensity 9 Inthe ACQUIRE section push the RUN STOP button 10 In the VERTICAL section turn the POSITION knob to reposition the trace TDS 3000 Series Oscilloscopes Operator Training Kit 6 31 6 Using Menu Function Controls You will see a vector waveform similar to that shown in Figure 6 11 Recall Factory M1 00Ns A Chi S 2 68 V OK Confirm Factory Init 0 000005 Save Recall Recall Save Current Saved Factory Waveform Recall File Chi Wavelorm Utilities labels Setup Setup Setup Figure 6 11 Clock signal in vector form 11 On the top of the front panel push the DISPLAY menu button 12 Push the appropriate bottom screen menu button to select Wavefo
83. nce waveform selection buttons The channel selection CH1 CH2 CH3 and CH4 buttons allow you to select and display a waveform The reference waveform selection REF button allows you to select a waveform reference location to which you can save or recall waveform data You can push the REF button to display the reference waveform menu Then you can push a bottom screen menu button to display a reference waveform The REF menu is also used to save active waveforms to reference waveform memory You can also save a MATH waveform as a reference waveform Menu based Controls A TDS3000 oscilloscope provides many menu based options for VERTICAL controls For example you can use the bottom screen and side screen menu based VERTICAL controls to select various options such as the input coupling type bandwidth limit of the channel offset and input signal inversion 1 14 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes To activate the VERTICAL menu based functions for a channel follow these steps 1 Inthe VERTICAL section push the CH1 button 2 Inthe VERTICAL section push the MENU button Figure 1 4 shows the channel 1 menu at the bottom of the display chi Coupling amp Impedance M400us A CI J 2 76V 0 000005 Probe Setup 10 X Coupling Invert Bandwidth a Position Offset DC off l JAR 0 00 div 0 000 V Figure 1 4 VERTICAL menu based options for CH1
84. nd ground lead To perform the step response demonstration follow these steps 1 Connect the CH1 probe tip to the FAST RISE TIME signal on pin 16 and the CH1 ground lead to GND on pin 1 of the Training 1 signal board On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup Push the appropriate side screen menu button to select OK Confirm Factory Init In the VERTICAL section turn the SCALE knob to set CH1 for 200mV on the oscilloscope display Turn the VERTICAL POSITION knob to position the CH1 trace two divisions above the bottom of the display TDS 3000 Series Oscilloscopes Operator Training Kit 5 17 5 Using ACQUIRE Controls 5 18 In the HORIZONTAL section turn the SCALE knob clockwise for a time base readout of M 4 00ns In the TRIGGER section push the MENU button Push the appropriate bottom screen menu button to select Mode Auto amp Holdoff Push the appropriate side screen menu button to select Normal In the TRIGGER section turn the LEVEL knob to set the trigger level to 300mV On the Training 1 signal board push the PRESS FOR SINGLE SHOT button to generate a high speed single shot signal TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls You will see a waveform similar to that shown in Figure 5 7 Trig Mode amp Holdoff Auto Untrig
85. ne transformer with an output of 9 volts 1A to power the Training 1 signal board A 9 volt battery is supplied with your Training 1 signal board However for long term use you can also order the appropriate wall transformer with the recommended output for your country from Tektronix Part Numbers Wall Transformer Accessories 119 4238 00 Australian plug 240V 119 4239 00 UK plug 240V 119 4240 00 Universal Euro plug 220V 119 4241 00 Japanese cert T mark 100V 119 4242 00 U S plug 115V 1 64 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Note When using a wall transformer for power you should remove the 9 volt battery from the Training 1 signal board You should also disconnect the wall transformer from the Training 1 signal board when the signal board is not in use This is because even when both Analog PWR and Digital PWR indicator lights are off wall power is still supplied to the Training 1 signal board The Training 1 signal board has a three step switch When you push POWER once the analog signals of the Training 1 signal board are activated When you push POWER twice both analog and digital signals of the Training 1 signal board are activated When you push POWER a third time the Training 1 signal board is powered down Note The POWER button does not remove all power from the Training 1 signal board When you push the POWER bution three times the signal board is
86. ng edge option This option may be selected by default 8 Push the appropriate bottom screen menu button to select Mode Auto amp Holdoff TDS 3000 Series Oscilloscopes Operator Training Kit 4 7 4 Using TRIGGER Controls 4 8 9 Push the appropriate side screen menu button to select Normal 10 Push the appropriate bottom screen menu button to select Level This enables you to set the trigger level with the general purpose knob Turn the general purpose knob clockwise very slowly until the trigger level is set to 4 00V This sets the oscilloscope to trigger only on the most positive trigger conditions of the signal When the trigger level is adjusted past the most positive part of the signal the Normal trigger mode freezes the last acquired waveform TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls You will see a waveform similar to that shown in Figure 4 3 A Trigger Leve T Level 4 000 V Set to TTL Set to ECL Set to 50 M100ns A Chi S 4 00V 0 00000 Mode ce Coupling Slope Level Normal DC f ERTED g Holdo Figure 4 3 Edge triggering Notice that the waveform shown in Figure 4 3 isolates and displays the most positive signal condition that was not visible in Figure 4 2 This is because one pulse width in this repeating complex signal has a higher amplitude You can often locate and view such signal details by adjusting the trigger leve
87. nge the volts division to expand the displayed waveform detail of interest by using the VERTICAL SCALE knob To vertically expand a selected part of a waveform follow these steps 1 Verify that the CH1 probe tip is connected to the D 10 MHz signal on pin 3 and that the CH1 probe ground lead is connected to GND on pin 1 of the Training 1 signal board TDS 3000 Series Oscilloscope Operator Training Kit 2 15 2 Using VERTICAL Controls 2 Atthe top of the front panel push the SAVE RECALL menu button 3 Push the appropriate bottom screen menu button to select Recall Factory Setup 4 Push the appropriate side screen menu button to select OK Confirm Factory Init 5 Inthe ACQUIRE section push the AUTOSET button 6 Inthe VERTICAL section turn the SCALE knob clockwise to set CH1 for 100 mV on the oscilloscope display When you change the volts division setting from 2 00 V to 100 mV you expand the waveform vertically 20 times from its earlier display Also notice that the expansion is around the center graticule line and that the top of the waveform is 40 divisions above the center graticule line 2 16 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls You will see a waveform similar to that shown in Figure 2 6 Recall Factory aveform Intensity 48 A Chl Z s00mv OK Confirm 0 Factory Init Save Recall Recall Save Current Saved Factory Waveform Setup Setup Setup chi
88. ntact a Tektronix sales office or distributor see the Tektronix web site for a list of offices TDS3000 amp TDS3000B Operator Training Kit Manual Contacting Tektronix TDS3000 amp TDS3000B Operator Training Kit Manual Table of Contents Getting Started With TDS3000 Oscilloscopes ceeees 1 1 Introduction to TDS3000 Oscilloscopes 0 ccceeeeeeees 1 3 Features of the TDS3000 Models n os 1 3 Differences Between the TDS3000 Models 008 1 5 Primary Front Panel Control Sections 0 0 0 eset 1 9 VERTICAL Section Controls 1 10 HORIZONTAL Section Controls 0 0 00 e seers 1 20 TRIGGER Section Controls 1 24 ACQUIRE Section Controls 1 33 Other Controls ccccccceccccec cess eececeeeeseeaueeeeseeeeseuaneneeeees 1 40 Menu Function Controls cccccceceecceesceeeeseeceseeeeeaeeeeeeees 1 42 MEASURE Menu Function Controls 0 0cccc eee 1 43 SAVE RECALL Menu Function Controls 0000 1 46 QUICKMENU Function Controls 00 0 eee 1 50 CURSOR Menu Function Controls 1 50 DISPLAY Menu Function Controls 0 00 00 1 52 UTILITY Menu Function Controls c cee 1 55 Setting Up a TDS3000 Oscilloscope 0 ceeeeeeeeeees 1 59 Grounding an Oscilloscope c cceeeeeseteeeeeeeeeeteeteees 1 59 Safety Precautions c cccccceesseceeeeeceteeseneeeesaeeeeneeteees 1 61 Introduction to the Training 1 Signal Board 1 63 Probe Compensa
89. o Setup 1 If the selected memory location already contains a saved setup you might need to use the appropriate side screen menu button to select OK Overwrite Saved Setup Observe that the oscilloscope saves the setup with the current date and time 4 Push the appropriate bottom screen menu button to select Recall Factory Setup 5 Push the appropriate side screen menu button to select OK Confirm Factory Init You will see an untriggered waveform on the oscilloscope This waveform appears blurred TDS 3000 Series Oscilloscopes Operator Training Kit 6 17 6 Using Menu Function Controls 6 Push the appropriate bottom screen menu button to select Recall Saved Setup 7 Push the appropriate side screen menu button to select Setup 1 You will see a waveform similar to that shown in Figure 6 6 Recall Setup faii From File Setup 14 sep 2001 03 00 09 Setup2 Setup3 M20 0ns A more j ei 1of3 0 00000 Save Recall Recall ale Save EF y Recall File Current Saved Factory Waveform Setup Setup Setup Chi Waveform Utilities Labels Figure 6 6 Recalled instrument setup 6 18 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls Saving and Recalling a Waveform In the previous procedure you saved and recalled an instrument setup using the SAVE RECALL menu function controls In this procedure you will save and recall a waveform to from a re
90. of a displayed waveform using the HORIZONTAL POSITION knob Select a portion of a displayed waveform using the HORIZONTAL POSITION knob Expand the selected portion of a waveform by using the zoom function and the HORIZONTAL SCALE knob Change the zoom limit Delayed the acquisition of a waveform to be after A trigger by the DELAY function so that B TRIG can stabilize the uncertain delayed signal TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls This module focuses on the TRIGGER controls of a TDS3000 oscilloscope The module provides procedures that you can use to modify a displayed waveform by using TRIGGER controls This module includes the following sections e Setting Up a TDS3000 Oscilloscope for TRIGGER Controls e Operating TRIGGER Controls TDS 3000 Series Oscilloscopes Operator Training Kit 4 1 4 Using TRIGGER Controls Setting Up TRIGGER Controls Figure 4 1 shows the TRIGGER controls of a TDS3000 oscilloscope Figure 4 1 TDS3000 TRIGGER controls The trigger function of an oscilloscope synchronizes the horizontal sweep at the correct point of the signal which is essential for clear signal characterization 4 2 TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls TRIGGER controls allow you to stabilize repeating signals and capture single shot waveforms Before you can use the TRIGGER for operation exercises you must ensure th
91. on signal triggering functions This Operator Training Kit does not address these advanced triggering capabilities For more information about these special triggering functions you can contact your Tektronix representative for details 4 16 TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls This module focuses on the ACQUIRE controls of a TDS3000 oscilloscope This module provides various procedures that you can use to modify a displayed waveform by using the ACQUIRE controls This module includes the following sections e Setting Up a TDS3000 Oscilloscope for ACQUIRE Controls e Operating ACQUIRE Controls TDS 3000 Series Oscilloscope Operator Training Kit 5 1 5 Using ACQUIRE Controls Setting Up ACQUIRE Controls Figure 5 1 shows the ACQUIRE controls of a TDS3000 oscilloscope ACQUIRE WAVEFORM INTENSITY Figure 5 1 TDS3000 ACQUIRE controls Before you begin using the ACQUIRE controls you must set up the oscilloscope for operation exercises with the ACQUIRE controls 5 2 TDS 3000 Series Oscilloscope Operator Training Kit 5 Using ACQUIRE Controls This section provides a setup procedure for the ACQUIRE controls This procedure sets the default settings required for procedures with ACQUIRE controls To set up a TDS3000 oscilloscope for ACQUIRE controls follow these steps 1 Connect the CH1 probe tip to the VARIABLE AMPL WITH GLITCH signal on pin 15 an
92. or less The following procedure enables you to verify the rising edge of an incoming signal by using the MEASURE menu function controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To verify an incoming signal by using the MEASURE menu function controls follow these steps 1 On the top of the front panel push the SAVE RECALL menu button 2 Push the appropriate bottom screen menu button to select Recall Factory Setup 3 Push the appropriate side screen menu button to select OK Confirm Factory Init 4 Inthe ACQUIRE section push the AUTOSET button 6 12 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 5 On the top of the front panel push the MEASURE menu button 6 Push the appropriate bottom screen menu button to select Select Measrmnt for CH1 7 Push the appropriate side screen menu button to select more until Rise Time appears as a selection on the side screen menu 8 Push the appropriate side screen menu button to select Rise Time 9 Push the appropriate bottom screen menu button to select Reference Levels 10 Push the appropriate side screen menu button to select Set Levels in units 11 Push the appropriate side screen menu button to select High Ref TDS 3000 Series Oscilloscopes Operator Training Kit 6 13 6 Using Menu Function Controls 6 14 12 On the top of the front panel
93. panel use the general purpose knob to position the active cursor at the topmost point of the waveform 10 On the top of the front panel push the SELECT button 11 Use the general purpose knob to position the active cursor at the lowest point of the waveform You will see a display similar to that shown in Figure 6 9 Cursor Function off H Bars V Bars Bring Selected Cursor To Center Screen Bring Both Cursors On 0 00000 j Screen V Bar H Bar Units Units Seconds Base Function Mode V Bars Ind Figure 6 9 Cursors V Bar measurement TDS 3000 Series Oscilloscopes Operator Training Kit 6 27 6 Using Menu Function Controls Notice that the vertical cursors provide baseline and delta measurements of both voltage and time when time is selected and voltage is measured DISPLAY Menu Function Controls The DISPLAY menu function controls allow you to control how waveforms are displayed on a TDS3000 oscilloscope You can use various menu options of the DISPLAY menu such as Waveform Display Backlight Intensity Graticule XY Display and Color Palette to change the appearance of the waveform display Selecting the Display Type The following procedure enables you to change the appearance of a waveform by changing the display type of the waveform To change the display type of a waveform follow these steps 1 On the top of the front panel push the DISPLAY menu button 2 Push the appropria
94. raining 1 signal board 2 20 TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls 2 On the front panel connect a P6139A passive voltage attenuation probe to the CH2 input connector 3 Connect the CH 2 probe tip to the DIFF signal on pin 13 and the CH2 ground lead to GND on pin14 of the Training 1 signal board 4 On the Training 1 signal board push the POWER button until only the Analog PWR light is on 5 On the top of the front panel push the SAVE RECALL menu button 6 Push the appropriate bottom screen menu button to select Recall Factory Setup 7 Push the appropriate side screen menu button to select OK Confirm Factory Init TDS 3000 Series Oscilloscope Operator Training Kit 2 21 2 Using VERTICAL Controls 2 22 In the VERTICAL section turn the SCALE knob to set CH1 for 500mV on the oscilloscope display In the VERTICAL section push the CH 2 button Turn the VERTICAL SCALE knob to set CH2 for 500mvV on the oscilloscope display In the HORIZONTAL section turn the SCALE knob counterclockwise to set the time base displayed at the bottom of the oscilloscope display for M 400ms Inthe VERTICAL section push the MATH button Push the appropriate side screen menu button to select Set Operator to TDS 3000 Series Oscilloscopes Operator Training Kit 2 Using VERTICAL Controls You will see a waveform similar to that shown in Figure 2 8
95. raining 1 signal board push the POWER button until only the Analog PWR light is on 3 On the top of the front panel push the SAVE RECALL menu button 4 Push the appropriate bottom screen menu button to select Recall Factory Setup 5 Push the appropriate side screen menu button to select OK Confirm Factory Init 6 Inthe VERTICAL section turn the SCALE knob to set CH1 for 500mV on the oscilloscope display 7 Inthe TRIGGER section turn the LEVEL knob to set the trigger level for 1 00 V on the oscilloscope display 8 In the HORIZONTAL section turn the SCALE knob clockwise to set the timebase at the bottom of the oscilloscope display for 40 0us 9 Inthe TRIGGER section push the MENU button TDS 3000 Series Oscilloscopes Operator Training Kit 4 13 4 Using TRIGGER Controls 10 4 14 Push the appropriate bottom screen menu button to select Mode Auto amp Holdoff Push the appropriate side screen menu button to select Holdoff Time At the top of the front panel turn the general purpose knob clockwise to set the holdoff time to approximately 100us In the ACQUIRE section use the WAVEFORM INTENSITY knob to vary the intensity of the displayed waveform to vary the intensity grading of the displayed signal as you can do with an analog oscilloscope This is the intensity grading that the Digital Phosphor Oscilloscope DPO provides The TDS3000 DPO uses a parallel processing architecture
96. rm Display 6 32 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 13 Push the appropriate side screen menu button to set Dots Only On 14 In the ACQUIRE section push the RUN STOP button twice 15 In the VERTICAL section turn the POSITION knob to reposition the trace You will see a waveform displayed in dots similar to that shown in Figure 6 12 Waveform Display i Dots Only On otf Persist Time Set to Min Clear Persistence M1 00Us A C 0 00000 s Backlight Intensity High Graticule XY Display Solan Full off Normal Waveform Display Figure 6 12 Clock signal with Dots Only On TDS 3000 Series Oscilloscopes Operator Training Kit 6 33 6 Using Menu Function Controls 16 Push the appropriate side screen menu button to select Persist Time 17 At the top of the front panel use the general purpose knob to select Infinite 18 In the ACQUIRE section push the RUN STOP button 19 Disconnect the Ch1 probe tip from the Training 1 signal board Notice that the old waveform data remains on the display 20 In the VERTICAL section turn the POSITION knob to reposition the trace Notice that the old infinite persistence signal information is erased when a control such as the VERTICAL POSITION knob is used In this procedure you learned to simultaneously view both old and new waveforms by using the Infinite Persistence mode 6 34 TD
97. rovide GPIB RS 232 VGA and Ethernet modules TDS 3000 Series Oscilloscopes Operator Training Kit Differences Between the TDS3000 Models 1 Getting Started With TDS3000 Oscilloscopes The TDS3000 series of oscilloscopes consists of six base models The following table lists the primary differences between them these models include the TDS3000B models as well Models TDS3012 TDS3014 TDS3032 TDS3034 TDS3052 TDS3054 Number of Channels 2 4 Bandwidth 100 MHz 100 MHz 300 MHz 300 MHz 500 MHz 500 MHz TDS 3000 Series Oscilloscope Operator Training Kit Maximum Sample Rate 1 25 GS s 1 25 GS s 2 25 GS s 2 25 GS s 5 GS s 5 GS s 1 Getting Started With TDS3000 Oscilloscopes Preliminary Functional Check Perform the following functional check procedure on a TDS3000 oscilloscope to verify that it is functioning properly 1 Connect your TDS3000 oscilloscope to an AC supply using the appropriate power cord and adapters On the lower left corner of the front panel of the oscilloscope push the ON STANDBY button Wait until the display shows that the oscilloscope has passed all self tests On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes 5 Push the appropriate side
98. rted With TDS3000 Oscilloscopes An undercompensated or overcompensated probe can cause errors in measurement especially with respect to pulse rise or fall times To compensate the probes correctly you must use the probe adjustment tool provided with the probes The probe adjustment tool resembles a small screwdriver You insert the probe adjustment tool in a small compensation adjustment slot on the side of the small box that connects the probe to the oscilloscope channel input Note 100 MHz passive voltage attenuation probes that are provided with the lower bandwidth TDS3000 oscilloscopes have the compensation adjustment slot in the probe tip barrel instead of the probe compensation box at the oscilloscope BNC connection After compensating the probe for each channel you will observe a square waveform with square corners similar to that shown in Figure 1 19 TDS 3000 Series Oscilloscope Operator Training Kit 1 71 1 Getting Started With TDS3000 Oscilloscopes Summary In this module you learned about the following 1 72 The basic features of a TDS3000 oscilloscope The differences between the various models of the TDS3000 series of oscilloscopes The layout of the various controls on the front panel of a TDS3000 oscilloscope The features of each primary control section The features of each menu function control The importance of grounding an oscilloscope before operations The procedure of setting up a
99. scopes Setting Up a TDS3000 Oscilloscope In this section you will learn how to set up a TDS3000 oscilloscope and compensate a passive voltage probe Grounding an Oscilloscope Proper grounding is essential for your own safety the safety of the oscilloscope and for taking accurate measurements This section discusses the procedure and advantages of properly grounding an oscilloscope before use To ground your TDS3000 oscilloscope plug the three pronged power cord into a wall power outlet grounded to earth ground A TDS3000 oscilloscope can also be operated from an optional battery pack When a TDS3000 oscilloscope is not connected to a grounded wall power outlet you must make the ground connection via a wire between area ground and the rear panel Safety Ground post See the TDS3000 User Manual for instructions on how to make this connection TDS 3000 Series Oscilloscope Operator Training Kit 1 59 1 Getting Started With TDS3000 Oscilloscopes 1 60 Grounding protects the circuits of your oscilloscope If your oscilloscope is not grounded a high voltage spike in the input current can damage the circuits of the oscilloscope Such a spike can also pass through the case of the oscilloscope and injure you Grounding is also necessary for taking accurate measurements with your oscilloscope Ensure that your oscilloscope shares the same ground as the circuit you are testing If you are measuring integrated circuits ICs
100. single menu Scope is a standard QuickMenu that you can use to control the basic functions of a TDS3000 oscilloscope You can perform the most frequently used functions for each section with the Scope QuickMenu You can do this without accessing the regular menu system through the front panel for each section You can also access a QuickMenu of some optional application modules that you might have installed such as Telecom and Video For a procedure using the QUICKMENU menu function control see QUICKMENU Function Controls starting on page 6 22 CURSOR Menu Function Controls You use the CURSOR controls to make amplitude and time measurements on the displayed waveforms You can also use the CURSOR menu to specify the units of measurement for the amplitude and time measurements of a waveform 1 50 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes To activate the menu based functions for the CURSOR menu function controls perform the following step e On the top of the front panel push the CURSOR menu button The CURSOR menu is activated at the bottom of the display as shown in Figure 1 15 Trig d Cursor Function H Bars t V Bars V Bar H Bar Units Units Seconds Rase Figure 1 15 CURSOR menu Function Mode off Ind TDS 3000 Series Oscilloscope Operator Training Kit 1 51 1 Getting Started With TDS3000 Oscilloscopes Menu Option Description
101. te bottom screen menu button to select Backlight Intensity High 3 Push the appropriate side screen menu button to select Medium 6 28 TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 4 Push the appropriate bottom screen menu button to select Graticule Full 5 Push the appropriate side screen menu button to select Grid 6 Push the appropriate bottom screen menu button to select Color Palette Normal 7 Push the appropriate side screen menu button to select Monochrome You will see a display similar to that shown in Figure 6 10 Color Palette Normal fa I Monochrome Sy ieee es M20 0ns A Ch 0 0 0 0 0 0 s Graticule XY Display Color Grid f Mono Backlight Intensity Medium Waveform Display Figure 6 10 Monochrome display mode TDS 3000 Series Oscilloscopes Operator Training Kit 6 29 6 Using Menu Function Controls Using the Persistence Mode You can use the Persist mode to allow old waveform data to remain visible with the current waveform data on the oscilloscope display You can use persistence to track infrequent signal anomalies that accumulate in the oscilloscope display The following procedure enables you to simultaneously view both old and new waveforms by using the Infinite Persistence mode To select a persistence time for a displayed waveform follow these steps 1 Connect the CH1 probe tip to the D 10 MHz signal on pi
102. the oscilloscope display TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes 7 Turn the VERTICAL POSITION knob to position the CH1 waveform in the top half of the display 8 Inthe VERTICAL section push the CH2 button to re activate the controls for Channel 2 9 Turn the VERTICAL SCALE knob to set CH2 to 2 00V on the oscilloscope display 10 Turn the VERTICAL POSITION knob to position the CH2 waveform in the bottom half of the display You should see two waveforms on the oscilloscope similar to that shown in Figure 1 19 Trig d Lanquage English Francais Deutsch elie tare M400us A JS 284V more 5 10f3 0 00000 s Tek Secure Erase Version Memory Language Set Date Battery English amp Time Time Outs Figure 1 19 CH1 Probe Compensation Signal TDS 3000 Series Oscilloscope Operator Training Kit 1 69 1 Getting Started With TDS3000 Oscilloscopes However the waveforms could also have distorted corners Such waveforms could be similar to the waveforms shown in Figure 1 20 or Figure 1 21 Probe Adjustment Reduced Amplitude of Signal Test Signal Figure 1 20 Undercompensated probe MT et Probe Adjustment Increased Amplitude of Signal Test Signal Figure 1 21 Overcompensated probe 1 70 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Sta
103. the previous procedure you used the Peak Detect acquisition mode in the SINGLE SEQ mode to capture very fast transition glitches You can also view glitches in signals without using the SINGLE SEQ mode The following procedure enables you to view signal glitches without the SINGLE SEQ acquisition mode TDS 3000 Series Oscilloscopes Operator Training Kit 5 9 5 Using ACQUIRE Controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To view signal glitches on a TDS3000 oscilloscope without using the SINGLE SEQ acquisition mode follow these steps 1 Inthe ACQUIRE section push the RUN STOP button to restart acquisitions 2 Inthe ACQUIRE section turn the WAVEFORM INTENSITY knob counterclockwise to decrease the waveform intensity Notice how the glitches as well as the signal transitions become dim This is the intensity grading that the Digital Phosphor Oscilloscope DPO provides 5 10 TDS 3000 Series Oscilloscopes Operator Training Kit 5 Using ACQUIRE Controls You will see a waveform similar to that shown in Figure 5 4 Pririg Acquisition Mode Sample pen N W Peak Detect lt 250MS s pglu Envelope 16 Average 16 M 200ms A 11 SJ sS00mvV Mode Horizontal Reset ok Detect Resolution Horizontal Autoset WaveAlert Sample Rate 5 Normal Delay 5 00KS s Figure 5 4 Noisy variable amplitude signal with glitches captured with Peak Detect
104. tion ccccccceceeseeeeeceeeeeeeesteeeeeeee 1 67 S mMary ss ace tthe caer chet ace asec a a Shecar EE 1 72 Using VERTICAL Controls 0 ccccccceeseeceeeeeeeeeseeeeeaeeeeeeeesaees 2 1 Setting Up VERTICAL Controls 0 cccceceeceseeeeeeesteeeeeees 2 2 TDS 3000 Series Oscilloscopes Operator Training Kit i Operating VERTICAL Controls ccccsecceeesseeeeeesseeeeeeees 2 5 Using VERTICAL Controls to Modify Acquisition and DIS Play aitieisceedtieeice Pte ete ee eee 2 5 Working with Channel Displays cecceseeeeeseeeeeees 2 9 Switching the Input Coupling ccceceeceeteeeneteees 2 12 Using Vertical Offset Controls ccceeteeeeeeeeeeeeeeeees 2 15 Using the MATH Mem cceeeeeeseeeeeeeeeeeeeeenaeeeeeenas 2 20 OUITUMARY ae ose esac lath colt ai aae eke ast aa a a aaa a daha iae 2 24 Using HORIZONTAL Controls 0 cccccceeeeeeeeeeeeeeeeeeeeeneeeeenees 3 1 Setting Up HORIZONTAL Controls c cceecceeeeeeeseeeeeees 3 2 Operating HORIZONTAL Controls cccceeeceeeeeeeeeseeeeeeees 3 6 Affecting the Acquisition and Display of a Waveform 3 7 Changing the Zoom Mode Limits 0 ccceeeeeeeeeeees 3 12 Delaying the Acquisition of a Waveform 3 15 SUMMALY aenean alee neal 3 22 Using TRIGGER Controls 0 cccececeeseeeeeeeeeeeeseeeeseeeeeseeeeeaees 4 1 Setting Up TRIGGER Controls cccceesceeeeeeeeeeeeeeeeeeeees 4 2 Operating TRIGG
105. tion Controls Operating the Menu Function Controls In this section you will learn how to use the menu function controls in combination with the primary control sections to perform various functions such as measuring a waveform saving a waveform or a setup setting factory settings for the oscilloscope and selecting a display language MEASURE Menu Function Controls 6 4 You can make automatic measurements on a TDS3000 oscilloscope For example you can use the MEASURE menu function controls to measure the frequency period amplitude and rise time of an input signal Taking Automatic Measurements In the following procedure you will use the MEASURE menu function controls to measure the frequency positive pulse width rise time and amplitude of an input signal TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To take automatic measurements with a TDS3000 oscilloscope follow these steps 1 On the top of the front panel push the MEASURE menu button 2 Push the appropriate bottom screen menu button to select Select Measrmnt for Ch1 This might be the default selection on your TDS3000 oscilloscope 3 Push the appropriate side screen menu button to select more This enables you to cycle between the 21 to 23 possible automated measurements you can make with a TDS30
106. tion to set the display type to dots or vectors and control waveform persistence settings You use this option to set the backlight intensity for the oscilloscope display You use this option to set the graticule type to Full Grid Crosshair or Frame You use this option to turn the XY display mode on or off and set various settings for the XY display mode You use this option to set the oscilloscope display to color or monochrome For procedures using the DISPLAY menu function controls see DISPLAY Menu Function Controls starting on page 6 28 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes UTILITY Menu Function Controls You use the UTILITY menu function controls to access the oscilloscope setup utility functions such as selecting a display language setting the system date and time setting up hard copy and communication ports and running internal diagnostic routines To activate the menu based functions for the UTILITY menu function controls perform the following step e On the top of the front panel push the UTILITY menu button TDS 3000 Series Oscilloscope Operator Training Kit 1 55 1 Getting Started With TDS3000 Oscilloscopes The UTILITY menu is activated at the bottom of the display as shown in Figure 1 17 Language English Francais Deutsch LEUEUT M 400u5 A J 280V more 10f3 0 00000 s System Language Set Date Battery
107. to mode and minimum holdoff e The trigger is set to Edge type with DC coupling and rising slope e The B trigger is turned off e A vertical scale is set for each active channel and waveforms are positioned to avoid overlapping 1 36 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes WAVEFORM INTENSITY The WAVEFORM INTENSITY knob allows you to adjust the intensity of a displayed waveform This feature allows you to get both an analog oscilloscope and a digital oscilloscope view of waveforms You use medium waveform intensity to get an analog oscilloscope view of time varying signals and those containing modulation You use maximum waveform intensity to obtain a digital oscilloscope view of a waveform TDS 3000 Series Oscilloscope Operator Training Kit 1 37 1 Getting Started With TDS3000 Oscilloscopes ACQUIRE MENU To activate the menu based functions for the ACQUIRE section perform the following step e Inthe ACQUIRE section push the MENU button The ACQUIRE menu is activated at the bottom of the display as shown in Figure 1 11 1 Acquisition Mode wv iv Sample ww Peak Detect lt 250MS s lassi i he Envelope 16 Average 16 M400us A CI ry 0 00000 s Mode Horizontal Reset er amp je Resolution Horizontal Autoset Sample Rate 2 50MS s ampie Aln ral Malav Figure 1 11 Menu based functions for the ACQUIRE section 1 38 TD
108. to pass the signal to the raster type display which provides intensity graded viewing of signal characteristics in real time TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls You will see a waveform similar to that shown in Figure 4 5 Mode amp Holdoff Auto Untriggered Roll Normal Holdoff Time 100 306845 Holdoff of record 25 07670 DELAJTE x Set to Min 0 00000 Source Coupling Slope ch DC f Figure 4 5 AM signal with trigger holdoff In this procedure you stabilized the triggered display of the amplitude modulation region of a complex repeating signal You did this by assigning a trigger holdoff in the amplitude modulation region of the signal TDS 3000 Series Oscilloscopes Operator Training Kit 4 15 4 Using TRIGGER Controls Summary In this module you learned to perform the following tasks e Set up a TDS3000 oscilloscope for TRIGGER controls e Locate and identify signal details by using Edge triggering combined with Normal triggering and trigger level adjustments e Use the trigger holdoff to stabilize the display of a complex repeating signal e Use the trigger holdoff and level controls to view a stable AM communications signal Note TDS3000 and TDS3000B models may be equipped with application modules that provide advanced triggering functions These capabilities may include special Logic Pulse Video and Communicati
109. trigger on a complex repeating signal using trigger holdoff This allows you to stabilize on the same part of the signal each time a triggered acquisition is displayed TDS 3000 Series Oscilloscopes Operator Training Kit 4 11 4 Using TRIGGER Controls Assigning Trigger Holdoff for an AM Signal Triggering a complex repeating signal at the interval of the signal s repeat time displays a stable waveform You may need to analyze the waveform of the amplitude modulation of a complex repeating signal For example you might want to analyze the modulation index of a radio frequency transmitter To observe a stable display of the amplitude modulation of a complex repeating signal you must adjust the trigger level within the amplitude modulation region of the displayed waveform and then assign a trigger holdoff for this amplitude modulation signal The following procedure enables you to analyze the amplitude modulation region of a complex repeating signal You do this by assigning a trigger level and trigger holdoff in the amplitude modulation region of the amplitude modulated signal from pin 9 of the Training 1 signal board To assign a trigger holdoff and level for an AM signal follow these steps 1 Connect the CH1 probe tip to AM SIGNAL on pin 9 and the CH1 probe ground lead to GND on pin 8 of the Training 1 signal board 4 12 TDS 3000 Series Oscilloscopes Operator Training Kit 4 Using TRIGGER Controls 2 On the T
110. ursor bars and the associated readouts have the same color as the selected waveform Determining Baseline and Delta Measurements Cursors are used to make measurements between two waveform locations The position of the active cursor is considered the baseline and the distance between the two cursors is considered the delta measurement TDS 3000 Series Oscilloscopes Operator Training Kit 6 25 6 Using Menu Function Controls The following procedure enables you to determine the baseline and delta measurements of both volts and time when time is selected and voltage is measured Note This procedure assumes that the oscilloscope retains the settings from the previous procedure To determine baseline and delta measurements follow these steps 1 6 26 On the top of the front panel push the SAVE RECALL menu button Push the appropriate bottom screen menu button to select Recall Factory Setup Push the appropriate side screen menu button to select OK Confirm Factory Init In the ACQUIRE section push AUTOSET On the top of the front panel push the CURSOR menu button Push the appropriate bottom screen menu button to select Function Off Push the appropriate side screen menu button to select V Bars TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 8 Push the appropriate side screen menu button to select Bring Both Cursors On Screen 9 On the top of the front
111. use the general purpose knob and the COARSE button to set the High Ref voltage to 2 00V You use the COARSE button to make large increments with the general purpose knob If you see the measurement displayed in fV pV uV or mV you need to use the COARSE button in conjunction with the general purpose knob to advance to 2 00V Push the appropriate side screen menu button to select Low Ref On the top of the front panel use the general purpose knob and the COARSE button to set the Low Ref voltage to 800mV The measurement verifies that the transition time meets the specification of being less than 10ns TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls You will see a display similar to that shown in Figure 6 5 Trig d Reference Levels Set Levels in units High Ref 2 00 V Mid Ref 0 00 V Low Ref 800mV M20 0ns A Chi S 2 48V Set to Defaults 0 00000 High Low Setup Select a Tu r i Measrmnt Remove Gating Reference Indicators orchi Measrmnt of Auto Levels f Figure 6 5 Verifying an incoming signal Rise time is typically measured between the 10 and 90 amplitude levels of a signal In this procedure you measured the rise time of the signal between the 0 8 V and 2 0 V levels You can also customize the rise time measurement to measure a signal between any two reference levels You can set each of the two reference levels to a specific per
112. ut should look like a sine wave with a positive DC component and an inverted sine wave with a negative DC component with shading between This signal can be used to show the varying characteristics of one signal being amplitude modulated onto another signal such as in radio frequency applications These characteristics can be shown on a TDS200 or a TDS3000 oscilloscope by using trigger holdoff and variable persistence Pins 10 and 5 kHz SINE and PHASE SHIFTED SINE 11 WAVE Specification Analog signal Positive phase shift 0 135 degrees Frequency About 5 kHz Amplitude 1 V TDS 3000 Series Oscilloscopes Operator Training Kit A 5 Appendix A Training 1 Signal Board Signal Definitions Description Pins 12 and 13 Specification Description A 6 The phase difference between these two 5 kHz sine waves is varied using a potentiometer The maximum phase shift between the two sine waves is determined by turning the potentiometer to both extremes This set of signals can be used to demonstrate the phase relationship of two time related signals such as voltage and current in a power supply by using the X Y display mode on a TDS200 or a TDS3000 oscilloscope DIFF and DIFF Analog signals Frequency 7 Hz with 1Hz background Amplitude 2 V common with 250 mV differential The differential signal from pins 12 and 13 is a 1 Hz heartbeat signal with a 250 mV amplitude It is combined with a 2 Volt common mode
113. utton e SINGLE SEQ button 1 34 TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes e AUTOSET button e WAVEFORM INTENSITY knob e The ACQUIRE MENU button RUN STOP The RUN STOP button allows you to stop and start waveform acquisitions by the oscilloscope SINGLE SEQ The SINGLE SEQ button enables a single sequence acquisition of a signal An indicator light next to the SINGLE SEQ button indicates whether or not single shot acquisition is enabled When you push the SINGLE SEQ button the oscilloscope sets the trigger mode to accept one valid trigger and switches on the indicator light for the SINGLE SEQ button You can force a trigger with the FORCE TRIG button in the TRIGGER section You can also disable the SINGLE SEQ mode with the RUN STOP button TDS 3000 Series Oscilloscope Operator Training Kit 1 35 1 Getting Started With TDS3000 Oscilloscopes AUTOSET The AUTOSET button automatically adjusts the VERTICAL HORIZONTAL and TRIGGER controls of the oscilloscope for a usable display You can also manually adjust these controls to optimize the display An indicator light next to the AUTOSET button temporarily indicates when autoset is initialized When you push the AUTOSET button the settings are as follows e The acquisition mode is set to Sample e The bandwidth limit for each channel is set to Full e The zoom is turned off e The trigger is set to Au
114. ve 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 IS GIVEN BY TEKTRONIX 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
115. veform by using the HORIZONTAL controls This module includes the following sections e Setting Up a TDS3000 Oscilloscope for HORIZONTAL Controls e Operating HORIZONTAL Controls TDS 3000 Series Oscilloscope Operator Training Kit 3 1 3 Using HORIZONTAL Controls Setting Up HORIZONTAL Controls Figure 3 1 shows the HORIZONTAL controls of a TDS3000 oscilloscope HORIZONTAL lt position gt Figure 3 1 TDS3000 HORIZONTAL controls Before you begin using the HORIZONTAL controls you must set up the oscilloscope for operation exercises with the HORIZONTAL controls 3 2 TDS 3000 Series Oscilloscopes Operator Training Kit 3 Using HORIZONTAL Controls The following procedure sets up a TDS3000 oscilloscope for use with the HORIZONTAL controls This procedure will enable you to set the oscilloscope to its default settings for use with HORIZONTAL controls To set up a TDS3000 oscilloscope for the HORIZONTAL controls follow these steps 1 Connect a P6139A 10X passive voltage attenuation probe to the CH1 connector on the front panel 2 Connect the CH1 probe tip to the D 10 MHz signal on pin 3 and the CH1 probe ground lead to GND on pin 1 of the Training 1 signal board 3 Remove the CH2 probe from the CH2 input connector and then remove the CH2 probe tip and the ground lead from the Training 1 signal board TDS 3000 Series Oscilloscopes Operator Training Kit 3 3 3 Using HORIZONTAL Controls
116. you see the XY signal with CH 1 on the horizontal axis and CH 2 on the vertical axis 14 15 16 6 38 In the VERTICAL section push the MENU button Push the appropriate bottom screen menu button to select Coupling DC Push the appropriate side screen menu button to select GND When you select GND the CH 2 waveform is removed from the oscilloscope display Notice the trigger status Trig d at the top of the oscilloscope display This is because CH 1 is connected to the triggering circuit and is the triggering signal Push the appropriate side screen menu button to select DC You can see the circle reappear on the oscilloscope display TDS 3000 Series Oscilloscopes Operator Training Kit 6 Using Menu Function Controls 18 In the VERTICAL section push the CH1 button 19 Push the appropriate bottom screen menu button to select Coupling DC 20 Push the appropriate side screen menu button to select GND Notice the vertical line that appears on the oscilloscope display This is because the Ch1 waveform was removed from the circuit Also notice that the trigger status changed from Trig d to Auto at the top of the screen This is because the CH 1 signal was removed from the trigger circuit Now the Auto trigger mode makes acquisitions occur without a signal trigger 21 Push the appropriate side screen menu button to select DC Note that the circle reappears on the oscilloscope display TD
117. you to toggle between two cursors on the display General purpose knob The general purpose knob allows you to perform different functions such as positioning cursors on the oscilloscope display and setting numerical values for some menu items COARSE The COARSE button allows you to make adjustments in large increments by using the general purpose knob MENU OFF The MENU OFF button removes a menu from the oscilloscope display Hard copy The hard copy button prints a hard copy of the display by using the port selected in the utility menu TDS 3000 Series Oscilloscope Operator Training Kit 1 41 1 Getting Started With TDS3000 Oscilloscopes Menu Function Controls 1 42 You can use the menu function controls to perform various functions These functions may include taking automatic measurements saving and recalling waveforms modifying the oscilloscope display characteristics and accessing oscilloscope setup utilities To access the menus for each function push a menu function button at the top of the front panel The oscilloscope displays the associated menu at the bottom of the screen You control each menu option by pushing the associated bottom screen menu button You control the submenu for each menu option by pushing the associated side screen menu button TDS 3000 Series Oscilloscopes Operator Training Kit 1 Getting Started With TDS3000 Oscilloscopes Figure 1 12 shows the front panel menu function

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