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Reference

TDS 200-Series Digital Oscilloscope User Manual

Math

Although you access the Math menu in the same way, the menu
boxes vary, depending on the oscilloscope model, firmware version,
and installed module.

Push the MATH MENU button to display the waveform math
operations. Push the MATH MENU button again to turn off the math
waveform display. Refer to page 89 for vertical system descriptions.

The following tables list menu boxes available based on the
oscilloscope model, firmware version, and installed module.

TDS 210 and TDS 220 (Firmware V 2.00 and Above), and TDS 224
(All Versions) Oscilloscopes

Operation
menu

Menu

Settings

Comments

–
(subtraction)

CH1 – CH2

The channel 2 waveform is sub-
tracted from the channel 1 waveform

CH2 – CH1

The channel 1 waveform is sub-
tracted from the channel 2 waveform

CH3 – CH4*

The channel 4 waveform is sub-
tracted from the channel 3 waveform

CH4 – CH3*

The channel 3 waveform is sub-
tracted from the channel 4 waveform

CH1 + CH2

Channels 1 and 2 are added together

(addition)

CH3 + CH4*

Channels 3 and 4 are added together

* Only available on the TDS 224 oscilloscope.

NOTE

. The optional TDS2MM measurement extension module adds

the FFT feature to the oscilloscope. See the TDS 200–Series
Extension Modules Instructions Manual.

Содержание TDS 200-Series

Страница 1: ...User Manual TDS 200 Series Digital Real Time Oscilloscope 071 0398 03 This document supports firmware version FV v1 00 and above www tektronix com...

Страница 2: ...and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 50...

Страница 3: ...nix will provide repair or replacement as described in the complete warranty statement To arrange for service or obtain a copy of the complete warranty statement please contact your nearest Tektronix...

Страница 4: ...as described in the complete warranty statement To arrange for service or obtain a copy of the complete warranty statement please contact your nearest Tektronix sales and service office EXCEPT AS PROV...

Страница 5: ...n 7 Probe Safety 7 Probe Attenuation Setting 8 Basic Concepts 9 Triggering 10 Source 10 Types 11 Modes 11 Holdoff 13 Coupling 14 Position 14 Slope and Level 14 Acquiring Data 15 Acquisition Modes 15 T...

Страница 6: ...e Time 43 Measuring Ring Frequency 45 Measuring Ring Amplitude 46 Analyzing Signal Detail 47 Looking at a Noisy Signal 47 Separating the Signal from Noise 48 Capturing a Single Shot Signal 49 Optimizi...

Страница 7: ...and TDS 224 All Versions Oscilloscopes 76 TDS 210 and TDS 220 Oscilloscopes Firmware Below V 2 00 without a TDS2MM 77 TDS 210 and TDS 220 Oscilloscopes Firmware Below V 2 00 with a TDS2MM 77 Measure...

Страница 8: ...Table of Contents iv TDS 200 Series Digital Oscilloscope User Manual...

Страница 9: ...g connections to the input or output terminals of the product ensure that the product is properly grounded Connect the Probe Properly The probe ground lead is at ground potential Do not connect the gr...

Страница 10: ...UTION 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 i...

Страница 11: ...rt outside of North America contact your local Tektronix distributor or sales office Service support Tektronix offers extended warranty and calibration programs as options on many products Contact you...

Страница 12: ...located in the liquid crystal display backlight contains trace elements of mercury When you are ready to reclaim the instrument you must properly transfer it according to local regulations concerning...

Страница 13: ...224 has four channels In addition to the list of general features this section covers the following topics H How to install your product H How to add extended functions H How to perform a brief functi...

Страница 14: ...tomated measurements H High resolution high contrast LCD display with temperature compensation and replaceable back light H Setup and waveform storage H Autoset for quick setup H Waveform averaging an...

Страница 15: ...ivers 90 to 264 VACRMS 45 to 440 Hz Refer to page 105 for a list of available power cords Use the power cord notch to help route the cord to the rear of the instrument and avoid inadvertently disconne...

Страница 16: ...f your oscilloscope by inserting an extension module Refer to page 103 for information about the available modules CAUTION Electrostatic discharge ESD can damage components in the extension module and...

Страница 17: ...10X CH 1 PROBE COMP 2 Set the switch to 10X on the P2100 probe and connect the probe to channel 1 on the oscilloscope To do this align the slot in the probe connector with the key on the CH 1 BNC push...

Страница 18: ...10X Set the switch to 10X on the P2100 probe and connect the probe to channel 1 on the oscilloscope If you use the probe hook tip ensure a proper connection by firmly inserting the tip onto the probe...

Страница 19: ...from the input connectors Then press the UTILITY button and select Do Self Cal to confirm that you are ready to proceed Probe Safety A guard around the probe body provides a finger barrier for protec...

Страница 20: ...e until the correct setting is displayed This setting remains in effect until changed again NOTE The default Probe menu attenuation setting is 10X when the oscilloscope is shipped Be sure that the Att...

Страница 21: ...ring data H Scaling and positioning waveforms H Measuring waveforms H Setting Up the oscilloscope The figure below shows a block diagram of the various functions of an oscilloscope and their relations...

Страница 22: ...lects enough data so that it can draw the waveform to the left of the trigger point The oscilloscope continues to acquire data while waiting for the trigger condition to occur After it detects a trigg...

Страница 23: ...ed to the EXT TRIG connector EXT uses the signal directly you can use EXT on signals with a trigger level range of 1 6 V to 1 6 V The EXT 5 trigger source divides the signal by 5 which extends the tri...

Страница 24: ...mplitude level such as a power supply output which may cause the waveform to roll across the display Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If n...

Страница 25: ...er might result in a series of patterns on the screen instead of the same pattern each time Holdoff Holdoff Indicates trigger points Trigger level Holdoff Acquisition interval Acquisition interval Tri...

Страница 26: ...coupling blocks the high frequency portion and passes on only the low frequency components Low Frequency Rejection LF Reject coupling does the opposite of high frequency rejection Position The horizo...

Страница 27: ...or negative Trigger level can be adjusted vertically Acquiring Data When you acquire analog data the oscilloscope converts it into a digital form You can acquire data using three different acquisition...

Страница 28: ...therwise been missed in Sample mode Noise will appear to be higher in this mode Average In this acquisition mode the oscilloscope acquires several waveforms averages them and displays the resulting wa...

Страница 29: ...Pretrigger Information You can adjust the Horizontal Position control to view waveform data before the trigger after the trigger or some of each When you change the horizontal position of a waveform y...

Страница 30: ...m with a frequency lower than the actual waveform being input or a waveform that is not stable even though the oscilloscope triggered Actual high frequency waveform Apparent low frequency waveform due...

Страница 31: ...s 5 0 MHz 100 0 ms 2 5 kS s 1 25 kHz 50 0 ms 5 0 MS s 2 5 MHz 250 0 ms 1 0 kS s 500 0 Hz 100 0 ms 2 5 MS s 1 25 MHz 500 0 ms 500 0 S s 250 0 Hz 250 0 ms 1 0 MS s 500 0 kHz 1 0 s 250 0 S s 125 0 Hz 50...

Страница 32: ...quick visual estimate For example you might look at a waveform amplitude and determine that it is a little more than 100 mV You can take simple measurements by counting the major and minor graticule...

Страница 33: ...pear as vertical lines on the display and measure the horizontal parameters Automated When you take automated measurements the oscilloscope does all the calculating for you Because these measurements...

Страница 34: ...it is powered on NOTE You should wait at least five seconds after your last change to the setup before you turn off the power This ensures that the setup is saved properly You can also permanently sa...

Страница 35: ...s The front panel is divided into easy to use functional areas This section provides you with a quick overview of the controls and the information displayed on the screen The next figure shows the fro...

Страница 36: ...to displaying waveforms the display is filled with many details about the waveform and the instrument control settings Pos 11 30ms Ch1 500mV Trig d 750mV Ch1 W 100ms M 500ms Ch2 200mV 1 2 4 3 6 7 8 9...

Страница 37: ...in the absence of triggers Scan The instrument is acquiring and displaying waveform data continuously in scan mode Stop The instrument has stopped acquiring waveform data 3 Marker shows horizontal tri...

Страница 38: ...scilloscopes was designed for easy access to specialized functions through the menu structure When you press a menu button on the front panel the associated menu title displays at the top right of the...

Страница 39: ...e Selection menu box contains two menus for a single button on the front panel with the selected menu displayed in reverse video Each time you press the top menu box button to toggle between the two m...

Страница 40: ...these waveforms also provides key information about the waveform Depending on the type waveforms will be displayed in three different styles black gray and broken 1 2 3 1 A solid black waveform indic...

Страница 41: ...ine appearance indicates the waveform display accuracy is uncertain This is the result of stopping the acquisi tion and then changing a control setting that the instrument cannot modify the displayed...

Страница 42: ...e turned on and the cursor menu is displayed these knobs position the cursors CH 1 CH 2 CH 3 CH 4 MENU Displays the channel input menu selections and toggles the channel display on and off VOLTS DIV C...

Страница 43: ...the horizontal position of all channels and math waveforms The resolution of this control varies with the time base NOTE To make a large adjustment to the horizontal position change the SEC DIV to 50...

Страница 44: ...g the window time base Refer to page 75 for details about creating and using the Window Zone Trigger Controls TDS 210 and TDS 220 TDS 224 LEVEL and HOLDOFF This control has a dual purpose As an edge t...

Страница 45: ...FORCE TRIGGER Starts an acquisition regardless of an adequate trigger signal This button has no effect if the acquisition is already stopped TRIGGER VIEW Displays the trigger waveform in place of the...

Страница 46: ...ols adjust cursor position while displaying the cursor menu and the cursors are turned on Cursors remain displayed unless turned off after leaving the cursor menu but are not adjustable UTILITY Displa...

Страница 47: ...is to electrically match the probe to the input circuit Refer to page 6 The probe compensation ground and BNC shields are connected to earth ground Do not connect a voltage source to these ground term...

Страница 48: ...Operating Basics 36 TDS 200 Series Digital Oscilloscope User Manual...

Страница 49: ...g two signals and calculating gain H Taking cursor measurements Measuring pulse width Measuring rise time Measuring ring frequency and ring amplitude H Analyzing signal detail Looking at a noisy signa...

Страница 50: ...a signal do these steps 1 Set the Probe menu attenuation to 10X Set the switch to 10X on the P2100 probe 2 Connect the channel 1 probe to the signal 3 Push the AUTOSET button The oscilloscope sets th...

Страница 51: ...1 Push the MEASURE button to see the Measure menu 2 Push the top menu box button to select Source 3 Select CH1 for the first three measurements 4 Push the top menu box button to select Type 5 Push th...

Страница 52: ...piece of equipment and need to measure the gain of the audio amplifier You have an audio generator that can inject a test signal at the amplifier input Connect two oscilloscope channels to the amplifi...

Страница 53: ...button to see the Measure menu b Push the top menu box button to select Source c Push the second menu box button to select CH1 d Push the third menu box button to select CH2 2 Select the type of meas...

Страница 54: ...cursors do these steps 1 Push the CURSOR button to see the Cursor menu 2 Push the top menu box button to select Time 3 Push the Source menu box button to select CH1 4 Use the CURSOR 1 knob to place a...

Страница 55: ...need to check the rise time of the pulse Typically you measure rise time between the 10 and 90 portion of the waveform To measure the rise time do these steps 1 Adjust the SEC DIV knob to display the...

Страница 56: ...top menu box button to set the type to Time 9 Use the CURSOR 1 knob to place the cursor at the point where the waveform crosses the second graticule line below center screen This is the 10 point on th...

Страница 57: ...signal do these steps 1 Push the CURSOR button to see the Cursor menu 2 Push the top menu box button to select Time 3 Use the CURSOR 1 knob to place a cursor on the first peak of the ring 4 Use the C...

Страница 58: ...de do these steps 1 Push the CURSOR button to see the Cursor menu 2 Push the top menu box button to select Voltage 3 Use the CURSOR 1 knob to place a cursor on the highest peak of the ring 4 Use the C...

Страница 59: ...signal appears noisy and you suspect that noise is causing problems in your circuit To better analyze the noise do these steps 1 Push the ACQUIRE button to see the Acquire menu 2 Push the Peak detect...

Страница 60: ...isplay do these steps 1 Push the ACQUIRE button to see the Acquire menu 2 Push the Average menu box button 3 Push the Averages menu box button to see the effects of varying the number of running avera...

Страница 61: ...e steps 1 Adjust the vertical VOLTS DIV and horizontal SEC DIV to appropriate ranges for the signal you expect to see 2 Push the ACQUIRE button to see the Acquire menu 3 Push the Peak detect button 4...

Страница 62: ...tes contact bounce and inductance in the circuit The inductance can cause contact arcing and premature relay failure You can adjust the vertical horizontal and trigger controls to optimize the setting...

Страница 63: ...Manual 51 Measuring Propagation Delay You suspect that the memory timing in a microprocessor circuit is marginal Set up the oscilloscope to measure the propagation delay between the chip select signa...

Страница 64: ...3 Adjust the horizontal and vertical controls to optimize the display 4 Push the CURSOR button to see the Cursor menu 5 Push the top menu box button to select Time 6 Push the Source menu box button to...

Страница 65: ...Manual 53 Triggering on a Video Signal You are testing the video circuit in a piece of medical equipment and need to display the video output signal The video output is an NTSC standard signal Use the...

Страница 66: ...e screen 5 Push the HORIZONTAL MENU button to see the Main menu 6 Push the Trig knob menu box button to select Holdoff 7 Adjust the HOLDOFF knob to an appropriate period You can use about 21 ms for NT...

Страница 67: ...igital Oscilloscope User Manual 55 CH 1 Incoming video signal 75 W terminator Using the Window Function to See Waveform Details You can use the window function to examine a specific portion of a wavef...

Страница 68: ...u and select Main 2 Adjust the horizontal SEC DIV knob to select 50 ms 3 Push the Trig knob menu box button to select Holdoff 4 Adjust the HOLDOFF knob to 61 ms 5 Adjust the horizontal SEC DIV knob un...

Страница 69: ...ZONTAL MENU Triggering on Odd or Even Video Fields Your oscilloscope will trigger on both odd and even video fields and make the data difficult to view because the line details are a half line apart T...

Страница 70: ...4 Push the Coupling menu box button to select DC 5 Push the Probe menu box button to select 1X 6 Push the TRIGGER MENU button to see the Trigger menu 7 Push the top menu box button to select VIDEO 8 P...

Страница 71: ...nt to the holdoff period adjust the SEC DIV knob to 50 ms adjust the HOLDOFF knob to 21 ms and readjust the SEC DIV back to the previous value Now the oscilloscope only triggers on an odd or an even f...

Страница 72: ...ems with a serial data communica tion link and you suspect poor signal quality Set up the oscilloscope to show you a snapshot of the serial data stream so you can verify the signal levels and transiti...

Страница 73: ...Push the Operation menu box button to select 2 Push the CH1 CH2 menu box button to display a new waveform that is the difference between the displayed waveforms For a more stable display use the Run...

Страница 74: ...rm that is the difference between the displayed waveforms TDS 210 and TDS 220 Oscilloscopes Firmware Below V 2 00 with a TDS2MM Do these steps 1 Push the CH2 MENU button and then push the CH2 Inverted...

Страница 75: ...ned a circuit that needs to operate over a wide temperature range You need to evaluate the change in impedance of the circuit as the ambient temperature is changed Connect the oscilloscope to monitor...

Страница 76: ...V knobs to display approximately the same amplitude signals on each channel 6 Push the DISPLAY button to see the Display menu 7 Push the Format menu box button to select XY The oscilloscope displays a...

Страница 77: ...describes the menus and operating details associated with each front panel menu button Reference Topic Page Acquire 66 Autoset 70 Cursor 71 Display 72 Hard copy 90 Horizontal controls 74 Math 76 Meas...

Страница 78: ...glitches and reduce the possibility of aliasing Average Use to reduce random or uncorrelated noise in the signal display The number of averages is selectable Averages 4 16 64 128 Select Number of Ave...

Страница 79: ...uisition intervals 2500 Sample mode acquires a single sample point in each interval Sample points The maximum sample rate is 1 GS s At 100 ns and faster settings this sample rate does not acquire 2 50...

Страница 80: ...ter the acquisition mode changes to Sample because the sample rate is fast enough that you do not need to use Peak Detect No message displays to tell you that the mode was changed from Peak Detect to...

Страница 81: ...can Mode Display When the SEC DIV control is set to 100 ms div or slower and the trigger mode set to Auto the instrument enters the scan acquisition mode In this mode the waveform display updates from...

Страница 82: ...d Function Setting Acquire mode Adjusted to Sample or Peak Detect Vertical coupling DC if GND was selected Vertical VOLTS DIV Adjusted Bandwidth Full Horizontal position Centered Horizontal SEC DIV Ad...

Страница 83: ...which to take the cursor measurement The readouts display this measurement Delta The difference delta between the cursors is displayed here Cursor 1 Displays cursor 1 location time is referenced to th...

Страница 84: ...hange the appearance of the entire display Menu Settings Comments Type Vectors Dots Vectors fills the space between adjacent sample points in the display Dots displays only the sample points Persist O...

Страница 85: ...n mode and data displays as dots The sampling rate is 1 MS s and can not be changed NOTE The oscilloscope can capture a waveform in normal YT mode at any sampling rate You can view the same waveform i...

Страница 86: ...the center of the screen Menu Settings Comments Main The main horizontal time base setting is used to display the waveform Window Zone Two cursors define a window zone Adjust the window zone with the...

Страница 87: ...re is no trigger or horizontal control of waveforms during scan mode Window Zone Use the window zone to expand a segment of a waveform to see more detail The Window time base setting cannot be set slo...

Страница 88: ...and TDS 220 Firmware V 2 00 and Above and TDS 224 All Versions Oscilloscopes Operation menu Menu Settings Comments subtraction CH1 CH2 The channel 2 waveform is sub tracted from the channel 1 wavefor...

Страница 89: ...rted The channel 1 signal display is inverted cannot be inverted if channel 2 is inverted CH2 Inverted The channel 2 signal display is inverted cannot be inverted if channel 1 is inverted TDS 210 and...

Страница 90: ...DIV control to scale the waveforms of the channels The math waveform is the visual sum or difference of the channel waveforms Channel Display for a TDS 210 or TDS 220 Firmware Below V 2 00 Displaying...

Страница 91: ...button to display the Source or the Type menu You can choose the channel on which to take a measurement in the Source menu You can choose the type of measurement to take Freq Period Mean Pk Pk Cyc RM...

Страница 92: ...asurements cannot be taken on reference or math waveforms or while using XY or scan mode Measurement Type Definition Cyc RMS Calculates a true RMS measurement of one complete cycle of the waveform Mea...

Страница 93: ...ve the current instrument settings or from which to recall the settings Save Completes the save action Recall Recalls the instrument settings stored in the location chosen in the Setup field Key Point...

Страница 94: ...ores source waveform to the chosen reference location Ref x ON OFF Turns the reference waveform display on or off Only available on the TDS 224 oscilloscope Saving and Recalling Waveforms For the TDS...

Страница 95: ...hted the rising or falling edge of the input signal is used for the trigger Slope Rising Falling Select to trigger on either the rising or falling edge of the signal Source CH1 CH2 CH3 CH4 EXT EXT 5 A...

Страница 96: ...depends on the acquisition mode Acquisition Mode Single Acquisition Sequence Sample or Peak Detect Sequence is complete when one acquisition is acquired Average Sequence is complete when the defined n...

Страница 97: ...he high frequency components above 80 kHz H LF Reject blocks the DC component and attenuates the low frequency components below 300 kHz Pretrigger The trigger position is typically set at the horizont...

Страница 98: ...e of the sync pulse and Inverted triggers on the positive edge of the sync pulse Source CH1 CH2 CH3 CH4 EXT EXT 5 Selects the input source as the trigger signal EXT and EXT 5 use the signal applied to...

Страница 99: ...o the manual supplied with your extension module for items not discussed here Menu Settings Comments System Status Displays the system menus Do Self Cal Performs a self calibration Error Log Displays...

Страница 100: ...Cal to confirm that you are ready to proceed System Status Selecting System Status from the utility menu displays the menus available for obtaining a list of control settings for each group of instrum...

Страница 101: ...onents of the input signal AC blocks the DC component of the input signal GND disconnects the input signal BW Limit 20 MHz Off Limits the bandwidth to reduce display noise Volts Div Coarse Fine Select...

Страница 102: ...perations If they do not match and you use cursors to measure the waveform result of a math operation an U displays that represents unknown Waveform off To remove a waveform from the display push the...

Страница 103: ...ssible through the Utility menu if the operating temperature changes by more than 5 C All specifications are guaranteed unless noted typical Specifications Acquisition Acquisition Modes Sample Peak De...

Страница 104: ...t BNC CAT I and CAT II 300 VRMS 420 V peak duty factor 50 pulse width 100 msec CAT III 150 VRMS For steady state sinusoidal waveforms derate at 20 dB decade above 100 kHz to 13 Vpk at 3 MHz and above...

Страница 105: ...Vertical Digitizers 8 bit resolution except when set to 2 mV div each channel sampled simultaneously VOLTS DIV Range 2 mV div to 5 V div at input BNC Position Range 2 mV div to 200 mV div 2 V 200 mV d...

Страница 106: ...Sample or Average acquisition mode DC Measurement Measurement Type Accuracy Accuracy Average Acquisition Mode Average of 16 waveforms with vertical position at zero 4 reading 0 1 div 1 mV and either 2...

Страница 107: ...e probe 10X position 1X position Bandwidth DC to 100 MHz DC to 7 MHz Attenuation ratio 10 1 1 1 Compensation Range 18 pf 35 pf All oscilloscopes with 1 M W input Input resistance 10 M W 2 1 M W 2 Inpu...

Страница 108: ...5 sequence Sample Rate and Delay Time Accuracy 100 ppm over any 1 ms time interval Delta Time Measure Conditions Accuracy ment Accuracy Full Bandwidth Single shot Sample mode 1 sample interval 100 pp...

Страница 109: ...Full Trigger Sensitivity Coupling Sensitivity Edge Trigger Type AC Same as DC at 50 Hz and above typical NOISE REJ Reduces the DC coupled trigger sensitivity by 2 times for 10 mv div to 5 V div HF RE...

Страница 110: ...input signals 50 Hz Default Settings Video Trigger Trigger mode is Auto and Coupling is AC Sensitivity Video Composite video signal Trigger Type typical Source Range Internal Pk pk amplitude of 2 divi...

Страница 111: ...put Output Voltage typical 5 V into 1 MW load Frequency typical 1 kHz Power Source Source Voltage 100 120 VACRMS 10 from 45 Hz through 440 Hz CAT II 120 240 VACRMS 10 from 45 Hz through 66 Hz CAT II P...

Страница 112: ...n Operating 0 31 gRMS from 5 Hz to 500 Hz 10 minutes on each axis Nonoperating 2 46 gRMS from 5 Hz to 500 Hz 10 minutes on each axis Mechanical Shock Operating 50 g 11 ms half sine Mechanical Size Hei...

Страница 113: ...1000 4 6 conducted immunity to RF fields IEC 61000 4 11 voltage dips interrupts and variations AS NZS 2064 Australian emissions standard for Industrial Scientific and Medical Equipment Low Voltage Dir...

Страница 114: ...ords appropriate for use in the North America power network All other power cords supplied are approved for the country of use Pollution Degree 2 Do not operate in environments where conductive pollut...

Страница 115: ...er to the Optional Accessories for a complete list of available language manuals Optional Accessories TDS2MM Measurement Extension Module The TDS2MM module plugs directly into the rear panel of any TD...

Страница 116: ...s not have slide out capability TDS 224 TDS 210 TDS 220 TDS 200 Series Digital Oscilloscope Service Manual The service manual 071 0492 XX English provides module level repair information TDS 200 Serie...

Страница 117: ...230 V 50 Hz 161 0104 07 Option A3 Australian 240 V 50 Hz 161 0104 05 Option A4 North American 240 V 60 Hz 161 0104 08 Option A5 Switzerland 230 V 50 Hz 161 0167 00 Option AC China 220 V 50 Hz 161 030...

Страница 118: ...Appendix B Accessories 106 TDS 200 Series Digital Oscilloscope User Manual...

Страница 119: ...ect the instrument and probes as often as operating conditions require To clean the exterior surface perform the following steps 1 Remove loose dust on the outside of the instrument and probes with a...

Страница 120: ...General Care and Cleaning 108 TDS 200 Series Digital Oscilloscope User Manual...

Страница 121: ...ing rate that is too slow to reproduce the input signal The waveform displayed on the oscilloscope may have a lower frequency than the actual input signal Attenuation The degree the amplitude of a sig...

Страница 122: ...nd the distance between the two cursors DC Coupling A mode that passes both AC and DC signal components to the circuit Available for both the trigger system and the vertical system Digitizing The proc...

Страница 123: ...meters of a waveform The oscilloscope displays the value of each cursor with respect to ground and the voltage value between the bars Menu A set of labels shown in the display to identify the function...

Страница 124: ...th are accurately displayed Record Length The number of samples in a waveform Reference Waveform A saved waveform selected for display RS 232 A serial communication port used to connect to a hard copy...

Страница 125: ...e two vertical bars you position to measure the time parameter of a waveform record The oscilloscope displays the value of each cursor with respect to trigger and the time value between the bars expre...

Страница 126: ...Glossary 114 TDS 200 Series Digital Oscilloscope User Manual...

Страница 127: ...1 measuring pulse width 42 measuring ring amplitude 46 measuring ring frequency 45 measuring rise time 43 measuring two signals 40 optimizing the acquisition 50 peak detect using 47 reducing noise 48...

Страница 128: ...nu 71 using 71 CURSOR button 34 71 cursors 21 application example 42 measurements 42 time 21 voltage 21 D description general 1 display 24 contrast 72 format 72 indicators 24 intensity 72 menu 72 pers...

Страница 129: ...U button 30 measure menu 79 MEASURE button 34 measurements automatic 21 79 basic concepts 20 cursor 21 42 frequency 80 graticule 20 mean 80 peak to peak 80 period 80 RMS 80 types 80 menu boxes Action...

Страница 130: ...maximum 67 SAVE RECALL button 34 81 saving setups 22 81 waveforms 82 scaling waveforms basic concepts 16 scan mode 69 75 scanning waveform 69 75 84 SEC DIV control 32 75 SECAM 86 security 3 self cal...

Страница 131: ...triggering basic concepts 10 U utility menu 87 UTILITY button 34 V vectors 72 vertical menu 89 position 17 scale 17 status 88 video trigger application example 53 voltage cursors 21 71 volts div coars...

Страница 132: ...Index 120 TDS 200 Series Digital Oscilloscope User Manual...

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