Tektronix TDS 500C - Manuals

Table of Contents TDS 500C, TDS 600B, & TDS 700C User Manual iii List of Figures Figure 1–1: Rear Panel Controls Used in Start Up 1–7 . . . . . . . . . . . . . . . Figure 1–2: ON/STBY Button 1–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2–1: Connecting a Probe for th...

Table of Contents iv TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–14: Equivalent-Time Sampling 3–27 . . . . . . . . . . . . . . . . . . . . . . . Figure 3–15: How the Acquisition Modes Work 3–31 . . . . . . . . . . . . . . . . . Figure 3–16: Acquisition Menu and Readout 3–33 . . . . . . ....

Table of Contents TDS 500C, TDS 600B, & TDS 700C User Manual vii List of Tables Table 1–1: Key Features and differences of models 1–2 . . . . . . . . . . . . . . Table 1–2: Fuse and fuse cap part numbers 1–7 . . . . . . . . . . . . . . . . . . . . Table 3–1: Autoset defaults 3–9 . . . . . . . . ...

Table of Contents viii TDS 500C, TDS 600B, & TDS 700C User Manual

TDS 500C, TDS 600B, & TDS 700C User Manual ix General Safety Summary Review the following safety precautions to avoid injury and prevent damage tothis product or any products connected to it. To avoid potential hazards, use thisproduct only as specified. Only qualified personnel should perform s...

General Safety Summary x TDS 500C, TDS 600B, & TDS 700C User Manual Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the pro...

TDS 500C, TDS 600B, & TDS 700C User Manual xi Preface This is the User Manual for the TDS 500C, TDS 600B, & TDS 700C DigitizingOscilloscopes. The chapter Getting Started briefly describes the TDS Oscilloscope, preparesyou to install it, and tells you how to put it into service. The chapter O...

Preface xii TDS 500C, TDS 600B, & TDS 700C User Manual Default Model This manual documents the TDS 500C, TDS 600B, & TDS 700C DigitizingOscilloscopes. Take special note of the following conventions: Some TDS models have two auxiliary channels called AUX 1 and AUX 2,instead of CH 3 and CH 4. ...

Preface TDS 500C, TDS 600B, & TDS 700C User Manual xiii Names also appear in the same case (initial capitals or all uppercase) in themanual as is used on the oscilloscope front panel and menus. Front panel namesare all upper case letters, for example, VERTICAL MENU and CH 1. Instruction steps ar...

Preface xiv TDS 500C, TDS 600B, & TDS 700C User Manual

TDS 500C, TDS 600B, & TDS 700C User Manual 1–1 Product Description The Tektronix TDS Oscilloscope is a superb tool for acquiring, displaying, andmeasuring waveforms. Its performance addresses the needs of both benchtop laband portable applications with the following features: H A maximum sample ...

Product Description 1–2 TDS 500C, TDS 600B, & TDS 700C User Manual Differences by Model Table 1–1 lists some key TDS features and relates them to the differentTDS models that this manual covers. Table 1–1: Key Features and differences of models Feature 520C 540C 620B 644B 680B 684B 724C 754C 784...

Product Description TDS 500C, TDS 600B, & TDS 700C User Manual 1–3 Product Specification The product specification is found in the technical reference TDS 500C,TDS 600B, & TDS 700C Technical Reference (Performance Verification andSpecifications) that is shipped as a standard accessory with t...

TDS 500C, TDS 600B, & TDS 700C User Manual 1–5 Start Up Before you use the TDS Oscilloscope, ensure that it is properly installed andpowered on. Preparation To ensure maximum accuracy for your most critical measurements, you shouldknow about signal path compensation and the proper use of the pro...

Start Up 1–6 TDS 500C, TDS 600B, & TDS 700C User Manual CAUTION. Using the P6243 or P6245 Active Probe to measure signals greater than ± 40 volts may damage the probe. Be sure to choose the proper input coupling and impedance for the probe or othercabling you use to couple signals to your oscill...

Start Up TDS 500C, TDS 600B, & TDS 700C User Manual 1–7 Power Connector Principal Power Switch Fuse Figure 1–1: Rear Panel Controls Used in Start Up 5. Connect the proper power cord from the rear-panel power connector (see Figure 1–1) to the power system. Table 1–2: Fuse and fuse cap part number...

Start Up 1–8 TDS 500C, TDS 600B, & TDS 700C User Manual ON/STBY Button Figure 1–2: ON/STBY Button The ON/STBY button controls power to most of the instrument circuits. Powercontinues to go to certain parts even when this switch is set to STBY. Once the oscilloscope is installed, it is typical to...

TDS 500C, TDS 600B, & TDS 700C User Manual 2–1 Overview This chapter describes the basic concepts of operating the TDS Oscilloscope.Understanding the basic concepts of your oscilloscope will help you use it muchmore effectively. The first section, Operating Interface Maps, quickly shows you how ...

TDS 500C, TDS 600B, & TDS 700C User Manual 2–3 Operating Interface Maps This section contains illustrations, or maps, of the display, the front and rearpanels, and the menu system of the TDS Oscilloscope. These maps will help youunderstand and operate the oscilloscope. This section also contains...

Operating Interface Maps 2–4 TDS 500C, TDS 600B, & TDS 700C User Manual Front Panel Map — Right Side Hardcopy, page 3–164 File System, page 3–160 Autoset, page 3–8 Help, page 3–181 Status, page 3–179 Selecting Channels, page 3–11 Horizontal Controls, page 3–19 Acquisition Modes, page 3–29 Cursor...

Operating Interface Maps TDS 500C, TDS 600B, & TDS 700C User Manual 2–5 Rear Panel Map Rear Panel Connectors Security Bracket GPIB Connector, page 3–174 Centronics Connector Principal Power Switch, page 1–7 Serial Number SIGNAL OUTPUT – (Provides Analog Signal Output from CH3 – or AX1 – @ 10 mV/...

Operating Interface Maps 2–6 TDS 500C, TDS 600B, & TDS 700C User Manual Display Map The value entered with the general purpose knob or keypad. Channel level and waveform source. The main menu with choices of major actions The side menuwith choices ofspecific actions. Vertical scale, page 3–15 Ho...

Operating Interface Maps TDS 500C, TDS 600B, & TDS 700C User Manual 2–7 To Operate a Menu 1 Press front-panel menu button. (Press SHIFT first if button label is blue.) 2 Press one of these buttons to select from main menu. 3 Press one of these buttons to select from side menu (if displayed). 4 I...

Operating Interface Maps 2–8 TDS 500C, TDS 600B, & TDS 700C User Manual To Operate a Pop-Up Menu Press to display pop-up menus. Press it again to make selection. Alternatively, press SHIFT first to make selection in the opposite direction. A pop-up selection changes the other main menu titles. P...

TDS 500C, TDS 600B, & TDS 700C User Manual 2–9 Tutorial This section quickly makes you acquainted with some of the fundamentaloperations required to use the TDS Oscilloscope to take measurements. Start thistutorial by doing Setting Up for the Examples on this page. Setting Up for the Examples Pe...

Tutorial 2–10 TDS 500C, TDS 600B, & TDS 700C User Manual Signal Gnd Figure 2–1: Connecting a Probe for the Examples (P6245 shown) Do the following steps to reset the oscilloscope to a known factory default statebefore doing the examples. (You can reset the oscilloscope anytime you begin anew tas...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–11 SETUP Button Figure 2–2: SETUP Button Location The oscilloscope displays main menus along the bottom of the screen.Figure 2–3 shows the Setup main menu. Recall Factory Setup Menu Item and Button OK Confirm Factory Init Menu Item and Button...

Tutorial 2–12 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . This manual uses the following notation to represent the sequence of selections you made in steps 1, 2 and 3: Press save/recall SETUP ➞ Recall Factory Setup (main) ➞ OK Confirm Factory Init (side). Note that a clock icon appears on ...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–13 The trigger readout shows that the oscilloscope is triggering on channel 1(Ch1) on a rising edge, and that the trigger level is about 200–300 mV. The time base readout shows that the main time base is set to a horizontalscale of 500 s/div....

Tutorial 2–14 TDS 500C, TDS 600B, & TDS 700C User Manual The display shows the probe compensation signal. It is a 1 kHz square wave ofapproximately 0.5 V amplitude. Figure 2–6 shows the main VERTICAL and HORIZONTAL sections of the frontpanel. Each has SCALE and POSITION knobs. Do the following s...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–15 When you first connect a signal to a channel and display it, the signal displayedmay not be scaled and triggered correctly. Use the autoset function and youshould quickly get a meaningful display. You should have a stable display of the pr...

Tutorial 2–16 TDS 500C, TDS 600B, & TDS 700C User Manual AUTOSET Button Figure 2–8: AUTOSET Button Location Figure 2–9 shows the display after pressing AUTOSET. If necessary, you canadjust the waveform now by using the knobs discussed earlier in this example. Figure 2–9: The Display After Pressi...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–17 NOTE . If you are using a passive probe, such as the P6139A probe, the corners on your displayed signal may look rounded or pointed. (See Figure 2–10.) If so,then you may need to compensate your probe. See To Compensate PassiveProbes on pa...

Tutorial 2–18 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 2–11: The Channel Buttons and Lights Each of the channel (CH) buttons has a light behind its label. Right now, theCH 1 light is on. That light indicates that the vertical controls are set to adjustchannel 1. Do the following steps t...

Tutorial 2–20 TDS 500C, TDS 600B, & TDS 700C User Manual Ch2 Reference Indicator Side Menu Title Figure 2–12: The Vertical Main Menu and Coupling Side Menu Pressing a channel (CH) button sets the vertical controls to that channel. It alsoadds the channel to the display if that waveform is not al...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–21 Side Menu Title Figure 2–13: The Menus After Changing Channels Pressing the WAVEFORM OFF button removes the waveform for the currentlyselected channel. If the waveform you want to remove is not already selected,select that channel using th...

Tutorial 2–22 TDS 500C, TDS 600B, & TDS 700C User Manual Example 3: Taking Automated Measurements The TDS Oscilloscope can measure many waveform parameters automaticallyand read out the results on screen. Do the following tasks to discover how to setup the oscilloscope to measure waveforms autom...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–23 Observe that the frequency measurement appears within the right side of thegraticule area. The measurement readout includes the notation Ch1, meaningthat the measurement is taken on the channel 1 waveform. (To take ameasurement on another ...

Tutorial 2–24 TDS 500C, TDS 600B, & TDS 700C User Manual Use the Measure menu to remove waveforms you no longer want. To remove ameasurement individually (you can also remove them, as a group), do thefollowing step: 1. TDS 600B: Press MEASURE ➞ Remove Measrmnt (main) ➞ Measure- ment 1, Measureme...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–25 To examine the current values, press Level Setup (main) ➞ High Ref (side). The General Purpose Knob. The general purpose knob, the large knob, is now set to adjust the high reference level (Figure 2–16.) There are several important things ...

Tutorial 2–26 TDS 500C, TDS 600B, & TDS 700C User Manual General Purpose Knob Setting and Readout HighlightedMenu Itemwith BoxedReadoutValue GeneralPurposeKnob Icon Figure 2–16: General Purpose Knob Indicators The Numeric Keypad. Any time the general purpose knob is set to adjust a numeric param...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–27 1. Press Low Ref (side). 2. On the numeric keypad, press the 2, the 0, and the ENTER ( ) buttons, which sets the low measurement reference to 20%. Observe that the rise-timevalue has changed. 3. Press Remove Measrmnt (main) ➞ All Measureme...

Tutorial 2–28 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 2–17: Snapshot of Channel 1 Example 4: Saving Setups The TDS Oscilloscope can save its controls settings and recall them later toquickly re-establish a setup. It provides ten storage locations to store up to tensetups. It also provi...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–29 First, you need to create an instrument setup you want to save. Perform thefollowing steps to create and save a setup that is complex enough that you mightprefer not to go through all these steps each time you want that display: 1. If you ...

Tutorial 2–30 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 2–18: Save/Recall Setup Menu 8. Press one of the To Setup side menu buttons to store the current instrument settings into that setup location. Remember which setup location youselected for use later. There are more setup locations t...

Tutorial TDS 500C, TDS 600B, & TDS 700C User Manual 2–31 To recall the setup, press SAVE/RECALL SETUP ➞ Recall Saved Set- up (main) ➞ Recall Setup (side) for the setup location you used in the last exercise. The positive width measurement is now removed from the displaybecause you selected it af...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–5 Acquiring and Displaying Waveforms To use the TDS Oscilloscope to measure or monitor waveforms, you need toknow how to acquire, select, and display those waveforms properly. To help youdo so, this section describes how to do the following tasks: How...

Acquiring and Displaying Waveforms 3–6 TDS 500C, TDS 600B, & TDS 700C User Manual The remaining TDS 500C, TDS 600B, and TDS 700C oscilloscopes ship withgeneral-purpose probes — either the P6139A or the P6243, depending on theoscilloscope model. The standard-accessory probes and quantities shippe...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–7 5. TDS 500C and 700C models only: Press SHIFT ACQUIRE MENU ➞ Mode (main) ➞ Hi Res (side). 6. TDS 600B models only: Press SHIFT ACQUIRE MENU ➞ Mode (main) ➞ Average (side). Use the keypad to set Averages to 5. 7. Ad...

Acquiring and Displaying Waveforms 3–8 TDS 500C, TDS 600B, & TDS 700C User Manual The oscilloscope switches to 50 W and disables AC coupling (and switches coupling to DC if AC is selected) if you connect an active probe, such as theP6245 probe. Such probes also reduce the maximum volts/div to 10...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–9 Do the following steps to automatically set up the oscilloscope: 1. Press the channel selection button (such as CH 1) corresponding to your input channel to make it active. 2. Press AUTOSET. If you use Autoset when...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–11 Do the following steps to reset the oscilloscope to its factory default settings: 1. Press the Save/Recall SETUP button to display the Setup menu (see Fig- ure 3–3). Press the button directly below the Recall Fact...

Acquiring and Displaying Waveforms 3–12 TDS 500C, TDS 600B, & TDS 700C User Manual Channel Readout Channel Reference Indicator Figure 3–3: The Channel Readout To select a channel, use the channel selection buttons on the right of the display.These buttons labeled CH 1, CH 2, CH 3, CH 4, and MORE...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–13 Do the following steps to first display and then remove waveforms from thedisplay: 1. Press CH 1, CH 2, CH 3, or CH 4 to turn on as many of these channels as desired. The one you select last (or first if you only ...

Acquiring and Displaying Waveforms 3–14 TDS 500C, TDS 600B, & TDS 700C User Manual To read about selecting reference waveforms, see Saving and RecallingWaveforms on page 3–154. To read about selecting (and creating) math waveforms, see Waveform Math onpage 3–188. Scaling and Positioning Waveform...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–15 Original Position Positioned Vertically Positioned Horizontally Original Scale Scaled Horizontally Record View Channel Reference Icon Scaled Vertically Acquisition View Figure 3–5: Scaling and Positioning The TDS ...

Acquiring and Displaying Waveforms 3–16 TDS 500C, TDS 600B, & TDS 700C User Manual 3. To make positioning faster, press the SHIFT button. When the light above the SHIFT button is on and the display says Coarse Knobs in the upperright corner, the POSITION knob positions waveforms more quickly. Th...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–17 To select the coupling, bandwidth, and offset for the selected waveform, use theVertical menu (Figure 3–6). This menu also lets you numerically change theposition or scale instead of using the vertical knobs. To m...

Acquiring and Displaying Waveforms 3–18 TDS 500C, TDS 600B, & TDS 700C User Manual Fine Scale. To make fine adjustments to the vertical scale, press VERTICAL MENU ➞ Fine Scale (main) and use the general purpose knob or the keypad. Position. To adjust the vertical position to a specific number of...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–19 Check the Time Base readout at the lower right of the display to see thetime/division settings and the time base (main or delayed) being referred to. (SeeFigure 3–7. Also see Figure 3–5 on page 3–15.) Since all li...

Acquiring and Displaying Waveforms 3–20 TDS 500C, TDS 600B, & TDS 700C User Manual 2. If you want the POSITION knob to move faster, press the SHIFT button. When the light above the shift button is on and the display says Coarse Knobsin the upper right corner, the POSITION knob positions waveform...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–21 Trigger Position. The trigger point marks time zero in a waveform or acquisition (in Extended Acquisition mode) record. All record points before the trigger eventmake up the pretrigger portion of the record. Every...

Acquiring and Displaying Waveforms 3–22 TDS 500C, TDS 600B, & TDS 700C User Manual 2. To fit an acquired waveform (or with Extended Acquisition On, an acquisi- tion) to the visible screen, regardless of record length, press HORIZONTALMENU ➞ Record Length (main). Then toggle Fit to Screen to ON f...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–23 NOTE . To function properly, Extended acquisition mode forces some oscilloscope modes and settings to new values. Also, measurements, gating, math, andcursors are restricted to the current waveform record. Extende...

Acquiring and Displaying Waveforms 3–24 TDS 500C, TDS 600B, & TDS 700C User Manual Wfm Len displays the length of the waveform record. The settings forRecord Length in the Horizontal menu and for Extended Acquisition mode(on or off) determine the length. Acq Duration displays the time spanned by...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–25 To perform tutorials that teach selecting, scaling, and positioning of waveforms,see Example 1: Displaying a Waveform on page 2–13 and Example 2: DisplayingMultiple Waveforms on page 2–17. To learn how to use dela...

Acquiring and Displaying Waveforms 3–26 TDS 500C, TDS 600B, & TDS 700C User Manual The oscilloscope uses the samples it takes (see Figure 3–13) to create awaveform record containing a user-specified number of data or record points.Each record point represents a certain voltage level that occurs ...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–27 A TDS 500C or TDS 700C model oscilloscope (the TDS 600B models use onlyreal time sampling) uses equivalent time sampling to extend its sample rate overits real-time maximum sampling rate, but only under two condit...

Acquiring and Displaying Waveforms 3–28 TDS 500C, TDS 600B, & TDS 700C User Manual Your oscilloscope can interpolate between the samples it acquires. Like forequivalent time sampling, it does so only when it cannot obtain all the realsamples it needs to fill up its waveform record. For instance,...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–29 A TDS 500C or TDS 700C Oscilloscope can interleave its channels to attainhigher digitizing rates without equivalent time sampling or interpolating. Theoscilloscope applies the digitizing resources of unused channe...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–31 Waveform Drawn on CRT Samples Acquired in Four Acquisition Intervals Displayed Record Points Acquisition Mode Use for fastest acquisition rate. This is the default mode. Use to reduce apparent noise. Provides the ...

Acquiring and Displaying Waveforms 3–32 TDS 500C, TDS 600B, & TDS 700C User Manual Hi Res Mode. TDS 500C and 700C models only: Hi Res mode averages all samples taken during an acquisition interval to create a record point. The averageresults in a higher-resolution, lower-bandwidth waveform. A ke...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–33 To determine the acquisition sampling rate, the acquisition state (running orstopped), and the acquisition mode, check the Acquisition readout at the top ofthe display. (See Figure 3–16.) The state “Run:” shows th...

Acquiring and Displaying Waveforms 3–34 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . TDS 500C and 700C models only: Selecting Hi Res mode in the Acquire menu automatically reduces long record-length settings to prevent overflow ofacquisition memory. Because Hi Res mode uses twice the acquis...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–35 Check Table 3–4 below to determine the time base setting(s) at which the switchfrom real-time sampling (RT) to equivalent time sampling or interpolation (ETI)occurs for your model. Table 3–4: TDS 500C and TDS 700C...

Acquiring and Displaying Waveforms 3–36 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–17: Acquire Menu — Stop After Press RUN/STOP button only (side) to use the RUN/STOP button to startor stop acquiring. Pressing the RUN/STOP button once will stop theacquisitions. The upper left hand corne...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–37 NOTE . To quickly select Single Acquisition Sequence without displaying the Acquire and Stop After menus, press SHIFT FORCE TRIG. Now the RUN/STOPbutton operates as just described. (You still must display the Acqu...

Acquiring and Displaying Waveforms 3–38 TDS 500C, TDS 600B, & TDS 700C User Manual Methods to Check and Eliminate. To quickly check for aliasing, slowly increase the horizontal scale (time per division setting). If the shape of the displayedwaveform changes drastically or becomes stable at a fas...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–39 To bring up the Display menu: Press DISPLAY ➞ Settings (main) ➞ Display (pop-up). The Display menu allows you to adjust the style, intensity level, graticule, andformat features described below. The Color menu all...

Acquiring and Displaying Waveforms 3–40 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–19: Display Menu — Style NOTE . TDS 500C and TDS 700C models only: See Using InstaVu Acquisition Mode, on page 3–55, to see how Style setup differs for InstaVu mode. Intensity lets you set text/graticule ...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–41 1. TDS 600B: Press DISPLAY ➞ Readout Options (main). TDS 500C and TDS 700C Models: Press DISPLAY ➞ Mode (main) ➞ Normal (pop-up) ➞ Format/RO (main). 2. Toggle Display ‘T’ @ Trigger Point (side) to select whether o...

Acquiring and Displaying Waveforms 3–42 TDS 500C, TDS 600B, & TDS 700C User Manual Sometimes, especially when using the hardcopy feature, you may want todisplay the current date and time on screen. (To find more informationdisplaying and setting date and time, see Date/Time Stamp the Hardcopy on...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–43 NOTE . Selecting either NTSC or PAL graticules automatically changes the vertical scale, position settings, coupling, and sets to zero any vertical offset ofany channel displayed. These settings are not restored a...

Acquiring and Displaying Waveforms 3–44 TDS 500C, TDS 600B, & TDS 700C User Manual Since selecting YT or XY affects only the display, the horizontal and verticalscale and position knobs and menus control the same parameters regardless ofthe mode selected. Specifically, in XY mode, the horizontal...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–45 Figure 3–21: Display Menu — Setting To choose a palette of 13 colors from a menu of preset palettes: 1. Choose the starting palette by selecting Palette from the main menu. 2. Select one of the available palettes ...

Acquiring and Displaying Waveforms 3–46 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . Use at higher room temperatures or with higher intensity display formats, such as the white fields in the Hardcopy Preview palette, can temporarilydegrade display quality. You can select the Hardcopy Previe...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–47 ScrTxt Figure 3–22: Display Menu — Palette Colors To define math waveform colors: 1. Choose to define math waveform colors by selecting the main menu Map Math item. 2. Select one of the three math waveforms by pre...

Acquiring and Displaying Waveforms 3–48 TDS 500C, TDS 600B, & TDS 700C User Manual 2. Select one of the four reference waveforms by pressing Ref in the side menu. 3. To assign the selected reference waveform to a specific color, press (repeatedly) Color and choose the value. 4. To make the selec...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–49 2. Select the object(s) you want to restore by pressing Reset Current Palette To Factory, Reset All Palettes To Factory or Reset All Mappings ToFactory in the side menu. Figure 3–24: Display Menu — Restore Colors ...

Acquiring and Displaying Waveforms 3–50 TDS 500C, TDS 600B, & TDS 700C User Manual To help you use zoom effectively, consider how it operates on waveforms. Whenzooming vertically, the oscilloscope expands or contracts the selected waveformonly. Also, the oscilloscope only positions the selected ...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–51 To use Zoom, select a waveform, turn Zoom on, and magnify that waveformusing the vertical and horizontal scale knobs: 1. Press any of waveform selection buttons CH 1 through CH 4 on the right side of the display. ...

Acquiring and Displaying Waveforms 3–52 TDS 500C, TDS 600B, & TDS 700C User Manual Only the selected waveform (the top one) changes size. Figure 3–25: Zoom Mode with Horizontal Lock Set to None To change the interpolation method used, press DISPLAY ➞ Settings (main) ➞ Display (pop-up) ➞ Filter (...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–53 2. To scale or position the unmagnified waveform, press Selected Grati- cule (main) ➞ Lower (side). Use the vertical and horizontal knobs to scale and position the unmagnified waveform in the box. Note that as you...

Acquiring and Displaying Waveforms 3–54 TDS 500C, TDS 600B, & TDS 700C User Manual To select Dual Zoom, press ZOOM ➞ Mode (main) ➞ Dual Zoom (side) to toggle it to ON. (See Figure 3–27.) Dual zoom displays a second zoomed view of the selected unzoomed waveform.The second zoomed view is offset in...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–55 Selected Graticule Zoomed Waveform Edges Zoom Boxes Unzoomed Waveform Figure 3–27: Dual Zoom — Shown Dual Window (Preview) Mode Using InstaVu Acquisition Mode The TDS 500C and 700C Oscilloscopes can use InstaVu ac...

Acquiring and Displaying Waveforms 3–56 TDS 500C, TDS 600B, & TDS 700C User Manual InstaVu mode increases the waveform capture rate to up to 400,000 waveformsper second (maximum waveform rate depends on oscilloscope model), updatingthe waveform array many times between displays. This very fast f...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–57 Next Acquired Waveform Record Next Acquired Waveform Record 1st Set of Acquired Waveform Records Next Set of Acquired Waveform Records Next Set of Acquired Waveform Records Display Updated Display Updated Display ...

Acquiring and Displaying Waveforms 3–58 TDS 500C, TDS 600B, & TDS 700C User Manual To change the InstaVu display style, do the following steps: 1. Press DISPLAY ➞ Mode (main) ➞ InstaVu (pop-up) ➞ Style (main). 2. Select between Vectors and Dots in the side menu. (Dots display is the factory defa...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–59 If you select any of these modes before or while InstaVu is on, they will remainselected in their respective menus, but the oscilloscope will ignore them. It willput the modes into effect when you turn InstaVu off...

Acquiring and Displaying Waveforms 3–60 TDS 500C, TDS 600B, & TDS 700C User Manual If you are using the FastFrame mode, you can jump to the desired frame. To useFastFrame, do the following steps: 1. Press HORIZONTAL MENU ➞ FastFrame Setup (main) ➞ FastFrame (side) to toggle on or off the use of ...

Acquiring and Displaying Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–61 If you shift the waveform right or left with the front-panel HORIZONTALPOSITION knob, the window next to the side-menu Frame button will indicatethe frame number of the waveform at the center of the screen. FastFr...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–63 Triggering on Waveforms To use the TDS Oscilloscope to measure or monitor waveforms, you need toknow how to trigger a stable display of those waveforms. Toward that end, thissection first covers the following topics: Trigger Concepts which details ...

Triggering on Waveforms 3–64 TDS 500C, TDS 600B, & TDS 700C User Manual Triggered Waveform Untriggered Waveforms Figure 3–32: Triggered Versus Untriggered Displays The trigger event establishes the time-zero point in the waveform record. Allpoints in the record are located in time with respect t...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–65 The digitizing oscilloscope provides three standard triggers for the main triggersystem: edge, pulse, and logic. Option 05 provides a video trigger. The standardtriggers are described individually starting on page 3–72. A br...

Triggering on Waveforms 3–66 TDS 500C, TDS 600B, & TDS 700C User Manual Automatic trigger mode (auto mode) enables the oscilloscope to acquire awaveform even if a trigger does not occur. Auto mode uses a timer that startsafter a trigger event occurs. If another trigger event is not detected befo...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–67 Holdoff Holdoff Indicates Trigger Points Trigger Level Holdoff Acquisition Interval Acquisition Interval Triggers are not recognized during holdoff time. Figure 3–33: Trigger Holdoff Time Ensures Valid Triggering Trigger cou...

Triggering on Waveforms 3–68 TDS 500C, TDS 600B, & TDS 700C User Manual The slope control determines whether the oscilloscope finds the trigger point onthe rising or the falling edge of a signal. (See Figure 3–34.) You set trigger slope by first selecting Slope in the Main Trigger menu and thens...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–69 Trigger Status Lights Figure 3–35: TRIGGER Controls and Status Lights To quickly obtain an edge trigger or a glitch or width pulse trigger, press SETLEVEL TO 50%. The oscilloscope sets the trigger level to the halfway pointb...

Triggering on Waveforms 3–70 TDS 500C, TDS 600B, & TDS 700C User Manual To trigger on the next valid trigger event and then stop, press SHIFT FORCETRIG. Now press the RUN/STOP button each time you want to initiate thesingle sequence of acquisitions. To leave Single Trig mode, press SHIFT ACQUIRE...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–71 Trigger Readout. To quickly determine the settings of some key trigger parame- ters, check the Trigger readout at the bottom of the display. (See Figure 3–36.)The readouts differ for edge, logic, and pulse triggers. Main Tim...

Triggering on Waveforms 3–72 TDS 500C, TDS 600B, & TDS 700C User Manual Trigger Position Relative to the Display and Waveform Record Trigger Point Indicator Indicating the Trigger Position on the Waveform Record Trigger Bar Indicating the Trigger Level on the Waveform Record Figure 3–37: Record ...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–73 Main Time Base Main Time Base Time/Div Main Trigger Source = Ch 1 Main Trigger Slope = Rising Edge Main TriggerLevel Figure 3–38: Edge Trigger Readouts Use the edge trigger menu to select edge triggering and to perform the p...

Triggering on Waveforms 3–74 TDS 500C, TDS 600B, & TDS 700C User Manual To select which source you want for the trigger: Press TRIGGER MENU ➞ Type (main) ➞ Edge (pop-up) ➞ Source (main) ➞ Ch1, Ch2, Ch3, Ch4, AC Line, or DC Aux (side). To select the coupling you want, press TRIGGER MENU ➞ Type (m...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–75 You can change the holdoff time and select the trigger mode using this menuitem. See Trigger Modes and Trigger Holdoff beginning on page 3–65 for adescription of these features. To set mode and holdoff, do the following step...

Triggering on Waveforms 3–76 TDS 500C, TDS 600B, & TDS 700C User Manual 2. Select the rising or falling edge from the side menu. Press the TRIGGER MENU ➞ Type (main) ➞ Edge (pop-up) ➞ Level (main) ➞ Level, Set to TTL, Set to ECL, or Set to 50% (side). Level lets you enter the trigger level using...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–77 The Boolean logic function — select from AND, NAND, OR, and NOR The condition for triggering — whether the trigger occurs when the Booleanfunction becomes TRUE (logic high) or FALSE (logic low), and whether theTRUE condition...

Triggering on Waveforms 3–78 TDS 500C, TDS 600B, & TDS 700C User Manual For state triggering, the oscilloscope waits until the end of trigger holdoff andthen waits until the edge of channel 4 transitions in the specified direction. Atthat point, the oscilloscope samples the inputs from the other...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–79 Setup/hold triggering uses the setup/hold violation zone to detect when data isunstable too near the time it is clocked. Each time trigger holdoff ends, theoscilloscope monitors the data and clock sources. When a clock edge ...

Triggering on Waveforms 3–80 TDS 500C, TDS 600B, & TDS 700C User Manual Clock Signal Clock Level T S = Setup Time T H = Hold Time Setup/Hold Violation Zone = T S + T H T S + T H must be +2 ns Clock Signal Clock Level Clock Signal Clock Level Negative T S; Positive T H Positive T S ; Negative T H...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–81 Trigger Class = State Ch 1, 2, 3 Inputs = High, Don’t Care, Don’t Care Ch 4 Input = Rising Edge Logic = OR Figure 3–41: Logic Trigger Readouts — State Class Selected NOTE . When the trigger type Logic is selected, the trigge...

Triggering on Waveforms 3–82 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–42: Logic Trigger Menu To Define Pattern Inputs. To set the logic state for each of the input channels (Ch1, Ch2, ...): 1. Press TRIGGER MENU ➞ Type (main) ➞ Logic (pop-up) ➞ Class (main) ➞ Pattern (pop-up) ➞ Define...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–83 To Define the Logic. To choose the logic function you want applied to the input channels (see page 3–77 for definitions of the logic functions for both patternand state triggers): Press TRIGGER MENU ➞ Type (main) ➞ Logic (po...

Triggering on Waveforms 3–84 TDS 500C, TDS 600B, & TDS 700C User Manual Note the position of the trigger indicator in Figure 3–43. Triggering occurs at thepoint that the oscilloscope determines that the logic function you specify isTRUE within the time you specify. The oscilloscope determines th...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–85 When you select the logic class State, the oscilloscope uses channel 4 as a clockand triggers on a logic circuit made from the rest of the channels (pages 3–76through 3–78 describe how state triggers work). To use state trig...

Triggering on Waveforms 3–86 TDS 500C, TDS 600B, & TDS 700C User Manual To Set Mode and Holdoff. Mode and holdoff can be set for all standard trigger types and classes. To set mode and holdoff, refer to To Set Mode & Holdoff onpage 3–75. To learn more about trigger mode and holdoff, see the ...

Triggering on Waveforms 3–88 TDS 500C, TDS 600B, & TDS 700C User Manual Data (Ch1) transition occurs within 10 ns after the clock violating hold time limit. The oscilloscope recognizes the violation and triggers at the clock edge. Cursors measure the setup/hold violation zone which equals setup ...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–89 Triggering on Pulses The TDS Oscilloscope can trigger on glitch or runt pulses, or it can trigger basedon the width, slew rate, or timeout period of a pulse. These capabilities make theoscilloscope suitable for such tasks as...

Triggering on Waveforms 3–90 TDS 500C, TDS 600B, & TDS 700C User Manual Trigger Class = Runt Figure 3–45: Pulse Trigger Readouts Table 3–7: Pulse trigger definitions Name Definition Glitch positive Triggering occurs if the oscilloscope detects positive spikewidths less than the specified glitch ...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–91 Table 3–7: Pulse trigger definitions (cont.) Name Definition Slew positive Triggering occurs if the oscilloscope detects a positivepulse edge that after first crossing the lower threshold thencrosses the upper threshold. The...

Triggering on Waveforms 3–92 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–46: Main Trigger Menu — Glitch Class Select the Source. To specify which channel becomes the pulse trigger source: Press TRIGGER MENU ➞ Type (main) ➞ Pulse (pop-up) ➞ Source (main) ➞ Ch1, Ch2, Ch3, or Ch4 (side). Th...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–93 Set to Accept or Reject Glitch. To specify whether to trigger on glitches or ignore glitches, press TRIGGER MENU ➞ Type (main) ➞ Pulse (pop-up) ➞ Class (main) ➞ Glitch (pop-up) ➞ Glitch (main) ➞ Accept Glitch or Reject Glitc...

Triggering on Waveforms 3–94 TDS 500C, TDS 600B, & TDS 700C User Manual Select the Source. To specify which channel becomes the pulse trigger source: Press TRIGGER MENU ➞ Type (main) ➞ Pulse (pop-up) ➞ Source (main) ➞ Ch1, Ch2, Ch3, or Ch4 (side). The source selected becomes the trigger source f...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–95 Selected trigger bar at upper threshold. Runt Pulse Crosses First Threshold Only, Recrosses First Threshold Level, and Triggers Acquisition Unselected trigger bar at lower threshold. Figure 3–47: Main Trigger Menu — Runt Cla...

Triggering on Waveforms 3–96 TDS 500C, TDS 600B, & TDS 700C User Manual Set the Mode and Holdoff. Mode and holdoff can be set for all standard trigger types and classes. To set mode and holdoff, refer to Set Mode & Holdoff onpage 3–75. To learn more about trigger mode and holdoff, see Trigge...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–97 3. To set the range of pulse widths in units of time, press Upper Limit (side) and Lower Limit (side). Enter the values with the general purpose knob orkeypad. The Upper Limit is the maximum valid pulse width the triggersour...

Triggering on Waveforms 3–100 TDS 500C, TDS 600B, & TDS 700C User Manual Trigger Bar at Upper Threshold Trigger Bar at Lower Threshold Cursors Measure Slew Rate Components of Pulse Edge—dv and dt Trigger Point at Second Crossing Figure 3–48: Main Trigger Menu — Slew Rate Class The Trigger When s...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–103 Communications Triggering The TDS Oscilloscope can trigger on communication signals (option 2C only).Table 3–8 lists the available standards, codes, and bit rates. This sectiondescribes how to use Comm triggering — how to s...

Triggering on Waveforms 3–104 TDS 500C, TDS 600B, & TDS 700C User Manual Table 3–8: Comm triggers (cont.) Standard Name Bit Rate Code 1 STS-1 AMI 51.84 Mb/s STS-3 CMI 155.52 Mb/s FC133 NRZ 132.8 Mb/s FC266 NRZ 265.6 Mb/s FC531 NRZ 531.2 Mb/s FC1063 NRZ 1.0625 Mb/s D2 NRZ 143.18 Mb/s D1 NRZ 270 M...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–105 Figure 3–49: Main Trigger Menu — Comm Type To select the standard and bit rate of the communication signal that triggeringwill occur on: 1. Press TRIGGER MENU ➞ Type (main) ➞ Comm (pop-up) ➞ Stan- dard (main). 2. Select an ...

Triggering on Waveforms 3–106 TDS 500C, TDS 600B, & TDS 700C User Manual Table 3–9: Communications pulse forms AMI CMI NRZ Isolated +1 Plus One Eye Diagram Isolated –1 Minus One Rise Eye Diagram Zero Fall Eye Diagram Pattern 0-7 Press the TRIGGER MENU ➞ Type (main) ➞ Comm (pop-up) ➞ Level or Thr...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–107 There are two different ways to delay the acquisition of waveforms: delayed runsafter main and delayed triggerable. Only delayed triggerable uses the delayedtrigger system. Delayed runs after main looks for a main trigger, ...

Triggering on Waveforms 3–108 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . Due to hardware limitations, the delayed time base cannot be made triggerable when the main trigger type is Logic, any class, or when the maintrigger type is Pulse with Runt or Slew Rate classes selected. For these s...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–109 Time Delay (From Delay Trig Menu) Start Posttrigger Acquisition (Triggeron nth Delayed Trigger Event) Time Delay (From Horiz Menu) Time Delay (From Delay Trig Menu) Waiting for nth Event (Where n=5) Main Trigger Point Start...

Triggering on Waveforms 3–110 TDS 500C, TDS 600B, & TDS 700C User Manual 4. If Type is set to Pulse, press Class (main) and change it to either Glitch or Width as fits your application. Runt and Slew Rate pulse classes areincompatible with Delayed Triggerable. 5. Press HORIZONTAL MENU ➞ Time Bas...

Triggering on Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–111 Figure 3–53: Delayed Trigger Menu 8. Press Source (main) ➞ Ch1, Ch2, Ch3, Ch4, or DC Aux (side). NOTE . Selecting DC Aux as source in BOTH the main and delayed triggering menus forces main and delayed trigger levels to adju...

Triggering on Waveforms 3–112 TDS 500C, TDS 600B, & TDS 700C User Manual 11. Press Level (main) ➞ Level, Set to TTL, Set to ECL, or Set to 50% (side). Level lets you enter the delayed trigger level using the general purpose knobor the keypad. Set to TTL fixes the trigger level at +1.4 V. Set to ...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–113 Measuring Waveforms To make the best use of the TDS Oscilloscope when taking measurements, youneed to know how to use the five types, or classes, of measurements it can take.This section describes how to take the following classes of measurements ...

Measuring Waveforms 3–114 TDS 500C, TDS 600B, & TDS 700C User Manual Taking Automated Measurements The TDS Oscilloscope provides the feature Measure for automatically taking anddisplaying waveform measurements. This section describes how to set up theoscilloscope to let it do the work of taking ...

Measuring Waveforms 3–116 TDS 500C, TDS 600B, & TDS 700C User Manual Table 3–10: Measurement definitions (cont.) Name Definition Phase Timing measurement. The amount one waveform leads or lags another in time. Expressed indegrees, where 360 comprise one waveform cycle. Period Timing measurement....

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–117 Measurement Readout Area Figure 3–55: Measurement Readouts with Statistics To use the automatic measurements you first need to obtain a stable display ofthe waveform to be measured. (Pressing AUTOSET may help.) Once you have as...

Measuring Waveforms 3–118 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–56: Measure Menu Be careful when taking automatic measurements using Extended Acquisitionmode and high levels of waveform compression. The compression mayremove signal attributes required by some measurements. The Remo...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–119 When gating is activated, vertical cursors are displayed. Use these cursors todefine the section of the waveform you want the oscilloscope to measure. (Thissection is called the gated region.) Do the following steps to gate a m...

Measuring Waveforms 3–120 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . Cursors are displayed relative to the selected waveform. If you are making a measurement using two waveforms, this behavior can be a source of confusion. Ifyou turn off horizontal locking and adjust the horizontal positi...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–121 Then choose whether the References are set in % relative to High (100%) and Low(0%) or set explicitly in the units of the selected waveform (typically volts). SeeFigure 3–58. Use the general purpose knob or keypad to enter the ...

Measuring Waveforms 3–122 TDS 500C, TDS 600B, & TDS 700C User Manual The delay measurement lets you measure from an edge on the selected waveformto an edge on another waveform. To take a delay measurement, do the followingsteps: 1. TDS 600B: Press MEASURE ➞ Select Measrmnt (main) ➞ Delay (side) ...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–123 4. TDS 600B: Press MEASURE ➞ Select Measrmnt (main) ➞ Delay (side) ➞ Edges (main). 5. TDS 500C and TDS 700C: Press MEASURE ➞ Measure (pop-up) ➞ Select Measrmnt (main) ➞ Delay (side) ➞ Edges (main). A side menu of delay edges an...

Measuring Waveforms 3–124 TDS 500C, TDS 600B, & TDS 700C User Manual To use Snapshot, obtain a stable display of the waveform to be measured(pressing AUTOSET may help). Then do the following steps: 1. TDS 600B: Press MEASURE ➞ SNAPSHOT (main). 2. TDS 500C and TDS 700C: Press MEASURE ➞ Measure (p...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–125 Consider the following rules when taking a snapshot: Be sure to display the waveform properly before taking a snapshot. Snapshotdoes not warn you if a waveform is improperly scaled (clipped, low signalamplitude, low resolution,...

Measuring Waveforms 3–126 TDS 500C, TDS 600B, & TDS 700C User Manual To display measurement statistics, obtain a stable display of the waveform to bemeasured. Then do the following steps: 1. Press MEASURE ➞ Measure (pop-up) ➞ Statistics (main) ➞ Statistics Min/Max or Statistics Mean/StdDev (side...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–127 There are three cursor types: horizontal bar, vertical bar, and paired (see Figure 3–61). Horizontal Bar Cursors Vertical Bar Cursors Paired Cursors Figure 3–61: Cursor Types Horizontal bar cursors measure vertical parameters (...

Measuring Waveforms 3–128 TDS 500C, TDS 600B, & TDS 700C User Manual In tracking mode, you normally move both cursors in tandem using the generalpurpose knob. The two cursors remain a fixed distance (time or voltage) fromeach other. Press SELECT to temporarily suspend cursor tracking. You can th...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–129 Paired. The value after one D shows the voltage difference between the two Xs; the other D shows the time (or frequency) difference between the two long vertical bars. The value after @ shows the voltage at the X of the selecte...

Measuring Waveforms 3–130 TDS 500C, TDS 600B, & TDS 700C User Manual Non-selected Cursor (Dashed Vertical Bar) Cursor Readout (Paired) Selected Cursor (Solid Vertical Bar) Position of Vertical Bar Cursors (Useful for Locating Cursors Outside the Display) Figure 3–64: Paired Cursor Menu and Reado...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–131 To adjust both cursors in tracking mode, use the general purpose knob tomove both cursors. To adjust the distance between cursors in tracking mode, press SELECT totemporarily suspend cursor tracking. Then use the general purpos...

Measuring Waveforms 3–132 TDS 500C, TDS 600B, & TDS 700C User Manual To find information on cursor units with video waveforms, see the TDS FamilyOption 05 Video Trigger Interface, if your oscilloscope is equipped with thevideo trigger option. Taking Graticule Measurements The TDS Oscilloscope pr...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–133 To measure the time of a waveform, repeat the process just described, but countthe horizontal divisions and multiply by the horizontal scale factor. For example,if you count five major horizontal graticule divisions for one wav...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–135 The TDS Oscilloscope provides you with 10 histogram measurements.Table 3–11 lists brief definitions of the measurements. Table 3–11: Measurement definitions Name Definition Mean The average of all acquired points within (or on)...

Measuring Waveforms 3–136 TDS 500C, TDS 600B, & TDS 700C User Manual 2. Press MEASURE ➞ Histogram (pop-up) ➞ Histogram Measrmnt (main). 3. Select a measurement from the side menu (see Table 3–11 on page 3–135). The Remove Measrmnt selection provides the same functions as in the Measuremenu. See ...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–137 Figure 3–66: Mask menu NOTE . If you select Manual, some controls are automatically adjusted; if you select Auto, a complete Autoset is performed. To control whether an autoset is performed when a standard mask is selected,pres...

Measuring Waveforms 3–140 TDS 500C, TDS 600B, & TDS 700C User Manual These points form the bottom of the mask These points form the top of the mask Left-most point Right-most point Top/bottom dividing line (not displayed) Figure 3–67: Creating a User Mask To create a mask with a concave side, cr...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–141 Table 3–12: Standard masks SONETSDH ITU-T T1.102 Fibre channel Video Miscellaneous None None None None None None OC1/STM051.84 Mb/s DS–0 Sgl Single 64.4 kb/s DS1 1.544 Mb/s FC133 Optical 132.8 Mb/s 4fsc NTSC “D2” 143.18 Mb/s FD...

Measuring Waveforms 3–142 TDS 500C, TDS 600B, & TDS 700C User Manual The TDS Oscilloscope lets you compensate the internal signal path used toacquire the waveforms you measure. SPC optimizes the oscilloscope capabilityto make accurate measurements based on the ambient temperature. Run an SPC any...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–143 Figure 3–68: Performing a Signal Path Compensation The TDS Oscilloscopes allow you to adjust a relative time delay for eachchannel. This feature lets you align the signals to compensate for the fact thatsignals may come in from...

Measuring Waveforms 3–144 TDS 500C, TDS 600B, & TDS 700C User Manual Run a Probe Cal anytime you wish to ensure that the measurements you makeare made with the most accuracy possible. You should also run a Probe Cal ifyou have changed to a different probe since the last Probe Cal was performed. ...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–145 2. Power on the digitizing oscilloscope and allow a 20 minute warm-up before doing this procedure. 3. Press SHIFT UTILITY ➞ System (main) ➞ Cal (pop-up). 4. Look at the status label under Signal Path in the main menu. If the st...

Measuring Waveforms 3–146 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–69: Probe Cal Menu and Gain Compensation Display If gain compensation did not complete successfully, you may get a“Probe is not connected” message (examine the probe connections to thedigitizing oscilloscope, be sure t...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–147 15. Note the compensation error amount. Skip to step 20. 16. Disconnect the probe from any signal you may have connected it to. Leave the probe installed on its channel. 17. Press OK Compensate Offset (side). 18. Wait for offse...

Measuring Waveforms TDS 500C, TDS 600B, & TDS 700C User Manual 3–149 Figure 3–70: Re-use Probe Calibration Data Menu NOTE . If the Re-use Probe Calibration data menu is displayed, do not select OK Use Existing Data if the probe currently installed is not of the same impedancestored for the Probe...

Measuring Waveforms 3–150 TDS 500C, TDS 600B, & TDS 700C User Manual Table 3–13: Probe cal status be al 1 U e a i Type probe connected 2 Probe Cal’d? 1 User action Simple interface 3 TEKPROBE interface 4 No Doesn’t Matter Initialized Initialized Yes Power off Initialized (probe data is retained)...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–151 Saving Waveforms and Setups The TDS Oscilloscope can save and recall the waveforms you measure and thesetups you use to measure them. It can also output or save a copy of its displayscreen. This section describes how to use the following features ...

Saving Waveforms and Setups 3–152 TDS 500C, TDS 600B, & TDS 700C User Manual To save the current setup of the oscilloscope: 1. Press SAVE/RECALL SETUP ➞ Save Current Setup (main). STOP . Before doing step 2 that follows, note that if you choose a setup location labeled user, you will overwrite t...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–153 NOTE . Upon power on, the oscilloscope creates the “wild card” file, marked in the file utilities menu by the name TEK?????.SET and by a wild card icon as shownon the left of this page, for storing setups. Selecting thi...

Saving Waveforms and Setups 3–154 TDS 500C, TDS 600B, & TDS 700C User Manual Executing Tek Secure accomplishes the following tasks: Replaces all waveforms in reference memories with zero sample values. Replaces the current front panel setup and all setups stored in setup memorywith the factory s...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–155 To save a waveform, do the following steps: 1. Select the channel that has the waveform you want to save. STOP . Before doing step 2 that follows, note that if you choose a reference memory location labeled active (see ...

Saving Waveforms and Setups 3–156 TDS 500C, TDS 600B, & TDS 700C User Manual NOTE . Using this procedure to save an extended acquisition only saves the waveform. In this case, if the trigger position is shown at 0% or 100%, theactual position may be outside the saved waveform. 4. To store a wave...

Saving Waveforms and Setups 3–158 TDS 500C, TDS 600B, & TDS 700C User Manual To remove all stored reference waveforms and setups, use the feature called TekSecure. See To Delete All Setups and Waveforms on page 3–153. To display a waveform in internal reference memory: Press MORE ➞ Ref1, Ref2, R...

Saving Waveforms and Setups 3–160 TDS 500C, TDS 600B, & TDS 700C User Manual Consider the following operating characteristics when using autosave. Autosave saves all “live” waveforms; that is, waveforms displayed in CH 1 –CH 4. To be saved, the live waveforms must be displayed on screen. Autosav...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–161 3. Press File Utilities in the main menu to bring up the File Utilities side menu. (See Figure 3–74.) NOTE . The amount of free space on the active disk is shown in the upper right corner of the display. The oscilloscop...

Saving Waveforms and Setups 3–162 TDS 500C, TDS 600B, & TDS 700C User Manual To delete a file or directory, turn the general purpose knob until it scrolls thecursor over the line marked with both the name of the file or directory to deleteand the file icon or directory icon as shown to the left ...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–163 To copy a file or directory, turn the general purpose knob until it scrolls thecursor over the name of the file to copy. Then, press the side menu Copy button.The file menu will reappear with the names of directories to...

Saving Waveforms and Setups 3–164 TDS 500C, TDS 600B, & TDS 700C User Manual To turn on or off the file overwrite lock, toggle the side menu Overwrite Lockbutton. When overwrite lock is on, the oscilloscope will not permit you to write over anexisting file of the same name. An important reason t...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–165 The oscilloscope prints hardcopies of its display in many formats, which allowsyou to choose from a wide variety of hardcopy devices. It also makes it easier foryou to place oscilloscope screen copies into a desktop pub...

Saving Waveforms and Setups 3–166 TDS 500C, TDS 600B, & TDS 700C User Manual Some formats, particularly Interleaf, EPS, TIFF, PCX, BMP, and HPGL, arecompatible with various desktop publishing packages. Such compatibility meansyou can paste files created from the oscilloscope directly into a docu...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–167 Set Hardcopy Parameters. To specify the hardcopy format, layout, and type of port using the hardcopy menu, do the following steps: 1. Press SHIFT ➞ HARDCOPY MENU to bring up the Hardcopy menu. 2. Press Format (main) ➞ T...

Saving Waveforms and Setups 3–168 TDS 500C, TDS 600B, & TDS 700C User Manual Date/Time Stamp the Hardcopy. You can display the current date and time on screen so that they appear on the hardcopies you print. To date and time stampyour hardcopy, do the following steps: 1. Press DISPLAY ➞ Settings...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–169 Set the Date and Time. You might need to set the date and time of the oscillo- scope. To set those parameters, do the following steps: 1. Press SHIFT ➞ UTILITY ➞ Config (pop-up) ➞ Set Date & Time (main) ➞ Year, Day ...

Saving Waveforms and Setups 3–170 TDS 500C, TDS 600B, & TDS 700C User Manual Some devices, such as the Tektronix HC100 Plotter, use the GPIB interface.Many printers, such as the Tektronix HC200, use Centronics interfaces. Manyhardcopy devices, including the HC100 and HC200 with option 03, provid...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–171 Although not guaranteed, usually about 2.5 hardcopies can be spooled before theoscilloscope must wait to send the rest of the third copy. To send hardcopies to a disk, do the following steps: 1. Set up the oscilloscope ...

Saving Waveforms and Setups 3–172 TDS 500C, TDS 600B, & TDS 700C User Manual To make your hardcopies, use the procedures that follow. Connect to a Hardcopy Device. To connect a controller with two ports between the oscilloscope and the hardcopy device, connect from the oscilloscope GPIBconnector...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–173 NOTE . If you defined another name, use it instead of “DEV1”. Also, remember that the device address of the oscilloscope as set with the IBCONF.EXE programshould match the address set in the oscilloscope Utility menu (t...

Saving Waveforms and Setups 3–174 TDS 500C, TDS 600B, & TDS 700C User Manual Communicating with Remote Instruments The TDS Oscilloscope can connect into a system environment, so that you cancontrol it remotely or exchange measurement or waveform data between it and acomputer. This subsection exp...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–175 Turn on at least two-thirds of the device loads present when you use yournetwork. Include only one cable path between devices on your network. (SeeFigure 3–81.) Do not create loop configurations. GPIB Device GPIB Device...

Saving Waveforms and Setups 3–176 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–82: Stacking GPIB Connectors To set up remote communications, be sure your setup will meet GPIB protocoland interface requirements just described. Then do the following procedures. Connect the Oscilloscope to t...

Saving Waveforms and Setups TDS 500C, TDS 600B, & TDS 700C User Manual 3–177 Configure the GPIB Port. You must set two important GPIB parameters: mode and address. To set those parameters: Press SHIFT ➞ UTILITY ➞ System (main) ➞ I/O (pop-up) ➞ Port (main) ➞ GPIB (pop-up) ➞ Configure (main) ➞ Tal...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–179 Determining Status and Accessing Help The TDS Oscilloscope can display the status of its internal systems. It alsoprovides an on-line help system. This section describes how to use the followingtwo features: Status which displays a snapshot of sys...

Determining Status and Accessing Help 3–180 TDS 500C, TDS 600B, & TDS 700C User Manual Firmware Version Figure 3–85: Status Menu — System

Determining Status and Accessing Help TDS 500C, TDS 600B, & TDS 700C User Manual 3–181 Displaying the Banner To display the banner (lists firmware version, options, copyright, and patents): Press SHIFT STATUS ➞ Banner (main). (See Figure 3–86.) Figure 3–86: Banner Display Displaying Help To use ...

Determining Status and Accessing Help 3–182 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–87: Initial Help Screen When you press that button, the instrument changes mode to support on-linehelp. Press HELP again to return to regular operating mode. Whenever theoscilloscope is in help mode, ...

TDS 500C, TDS 600B, & TDS 700C User Manual 3–183 Using Features for Advanced Applications The TDS Oscilloscope provides powerful features for testing and digitally proces-sing the waveforms you acquire. This section describes how to use the followingfeatures: Limit Testing — for testing the wave...

Using Features for Advanced Applications 3–184 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–88: Comparing a Waveform to a Limit Template To do the tasks just listed, do the following procedures: To use an incoming or stored waveform to create the limit test template, first youselect a sou...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–185 Figure 3–89: Acquire Menu — Create Limit Test Template 4. Press ± V Limit (side). Enter the vertical (voltage) tolerance value using the general purpose knob or keypad. 5. Press ± H Limit (side). Enter the ...

Using Features for Advanced Applications 3–186 TDS 500C, TDS 600B, & TDS 700C User Manual To view the template you have created, press the MORE button. Then pressthe button corresponding to the destination reference memory you have used.The waveform appears on the display. NOTE . To view the wav...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–187 2. Ensure that the side button corresponding to the desired action reads ON. If you want to send a hardcopy command when waveform data exceedsthe limits set, toggle Hardcopy if Condition Met (side) to ON. Y...

Using Features for Advanced Applications 3–188 TDS 500C, TDS 600B, & TDS 700C User Manual You can also compare more than one waveform against a single template, ormore than one waveform with each one compared against its own template or acommon template. When setting up for such comparisons, con...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–189 To perform waveform math, use the More menu (Figure 3–90). The More menuallows you to display, define, and manipulate three math waveforms; thefollowing steps explain how to create a math waveform based on ...

Using Features for Advanced Applications 3–190 TDS 500C, TDS 600B, & TDS 700C User Manual To create a math waveform that requires two waveform sources, do the followingsteps: 1. Press MORE ➞ Math1, Math2, or Math3 (main) ➞ Change Math waveform definition (side) ➞ Dual Wfm Math (main). 2. To defi...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–191 You can also select whether or not you wish to average a certain math waveform;to do so, perform the following steps: 1. Press MORE ➞ Math1, Math2, or Math3 (main) to select the math waveform to be averaged...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–193 Normal Waveform of an Impulse Response FFT Waveform of the Magnitude Response FFT Waveform of the Phase Response Figure 3–92: System Response to an Impulse To obtain an FFT of your waveform, do the followin...

Using Features for Advanced Applications 3–194 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–93: Define FFT Waveform Menu 7. Press Set FFT Vert Scale to (side) repeatedly to choose from the following vertical scale types: dBV RMS — Magnitude is displayed using log scale, expressed in dBrel...

Using Features for Advanced Applications 3–196 TDS 500C, TDS 600B, & TDS 700C User Manual Figure 3–94: FFT Math Waveform in Math1 Once you have displayed an FFT math waveform, use cursors to measure itsfrequency amplitude or phase angle. 1. Be sure MORE is selected in the channel selection butto...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–197 Figure 3–95 shows the cursor measurement of a frequency magnitude on anFFT. The @: readout reads 0 dB because it is aligned with the 1 V RMS level. The D : readout reads 24.4 dB indicating the magnitude of ...

Using Features for Advanced Applications 3–198 TDS 500C, TDS 600B, & TDS 700C User Manual 9. Read the frequency difference between the cursors from the : readout. Read the frequency of the selected cursor relative to the zero frequency point fromthe @: readout. The cursor units will always be in...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–199 Waveform Record — the complete waveform record acquired from an inputchannel and displayed from the same channel or a reference memory. The lengthof this time domain record is user-specified from the Horizo...

Using Features for Advanced Applications 3–200 TDS 500C, TDS 600B, & TDS 700C User Manual FFTs Transform Time Records to Frequency Records. The FFT time domain record just described is input for the FFT. Figure 3–97 shows the transformationof that time domain data record into an FFT frequency do...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–201 The following topics contain information to help you display your FFT properly. Adjust for a Non-Clipped Display. To properly display your FFT waveform, scale the source waveform so it is not clipped. You s...

Using Features for Advanced Applications 3–202 TDS 500C, TDS 600B, & TDS 700C User Manual To speed up oscilloscope response when using long record lengths, you can saveyour source waveform in a reference memory and perform an FFT on the savedwaveform. That way the DSP will compute the FFT based ...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–203 Whether Zoom is on or off, you can press Reset (main) ➞ Reset Live Factors or Reset All Factors (side) to return the zoomed FFT waveform to no magnifi-cation. Zoom always uses either sin(x)/x or linear inte...

Using Features for Advanced Applications 3–204 TDS 500C, TDS 600B, & TDS 700C User Manual Filter the input to bandwidth limit it to frequencies below that of the Nyquistfrequency. Recognize and ignore the aliased frequencies. If you think you have aliased frequencies in your FFT, select the sour...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–205 To measure the phase relative to most source waveforms, you need only to centerthe positive peak around the zero phase point. (For instance, center the positivehalf cycle for a sine or square wave around th...

Using Features for Advanced Applications 3–206 TDS 500C, TDS 600B, & TDS 700C User Manual You specify the phase suppression level in dB with respect to 1 V RMS . If the magnitude of the frequency is greater than this threshold, then its phase anglewill be displayed. However, if it is less than t...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–207 The FFT windowing acts like a bandpass filter between the FFT time domainrecord and the FFT frequency domain record. The shape of the window controlsthe ability of the FFT to resolve (separate) the frequenc...

Using Features for Advanced Applications 3–208 TDS 500C, TDS 600B, & TDS 700C User Manual In step 8 (page 3–195) in To Create an FFT, the four windows are listed in orderaccording to their ability to resolve frequencies versus their ability to accuratelymeasure the amplitude of those frequencies...

Using Features for Advanced Applications 3–210 TDS 500C, TDS 600B, & TDS 700C User Manual Rectangular Window 0 dB -20 -40 -50 Hanning Window 0 dB -20 -40 -60 -80 Hamming Window 0 dB -20 -40 -60 Blackman-Harris Window 0 dB -20-40-60-80 -100 -101 FFT Window Type Bandpass Filter 0.89 –3 dB Bandwidt...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–211 The math waveform, derived from the sampled waveform, is computed based onthe following equation: Y n + (X (n ) 1) * X n ) 1 T Where: X is the source waveform Y is the derivative math waveform T is the time...

Using Features for Advanced Applications 3–212 TDS 500C, TDS 600B, & TDS 700C User Manual Derivative Math Waveform Source Waveform Figure 3–101: Derivative Math Waveform Once you have displayed your derivative math waveform, you can use automatedmeasurements to make various parameter measurement...

Using Features for Advanced Applications 3–214 TDS 500C, TDS 600B, & TDS 700C User Manual Because of the method the oscilloscope uses to scale the source waveform beforedifferentiating that waveform, the derivative math waveform may be too largevertically to fit on screen — even if the source wa...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–215 Whether zoom is on or off, you can press Reset (main) ➞ Reset Live Factors or Reset All Factors (side) to return the zoomed derivative waveform to nomagnification. Waveform Integration The Advanced DSP Math...

Using Features for Advanced Applications 3–216 TDS 500C, TDS 600B, & TDS 700C User Manual To obtain an integral math waveform, do the following steps: 1. Connect the waveform to the desired channel input and select that channel. 2. Adjust the vertical and horizontal scales and trigger the displa...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–217 Source Waveform Integral Math Waveform Figure 3–103: Integral Math Waveform Once you have displayed your integrated math waveform, use cursors to measureits voltage over time. 1. Be sure MORE is selected (l...

Using Features for Advanced Applications 3–218 TDS 500C, TDS 600B, & TDS 700C User Manual Source Waveform Integral Math Waveform Figure 3–104: H Bars Cursors Measure an Integral Math Waveform 7. Press Function (main) ➞ V Bars (side). Use the general purpose knob to align one of the two vertical ...

Using Features for Advanced Applications TDS 500C, TDS 600B, & TDS 700C User Manual 3–219 13. Read the following values from the cursor readouts: Read the integrated voltage over time between the Xs of both pairedcursors in volt-seconds from the : readout. Read the integrated voltage over time b...

Using Features for Advanced Applications 3–220 TDS 500C, TDS 600B, & TDS 700C User Manual You may be able to avoid saturating your integral waveform if you choose ashorter record length. (Press HORIZONTAL MENU ➞ Record Length (main).) Reducing the sample rate (use the HORIZONTAL SCALEknob) with ...

TDS 500C, TDS 600B, & TDS 700C User Manual A–1 Appendix A: Options and Accessories This appendix describes the various options as well as the standard and optionalaccessories that are available for the TDS Oscilloscope. Options Tektronix will ship the options shown in Table A–1: Table A–1: Optio...

Appendix A: Options and Accessories A–2 TDS 500C, TDS 600B, & TDS 700C User Manual Table A–1: Options (cont.) Option # Description Label 1M 130,000 record length Extend record length from 50,000 samples standard as follows: TDS 520C and TDS 724C: To 250,000 samples on one channel and 130,000 on ...

Appendix A: Options and Accessories TDS 500C, TDS 600B, & TDS 700C User Manual A–3 Table A–1: Options (cont.) Option # Description Label 2D Two probes Delete two standard probes normally shipped with the oscilloscope(Option applies only to TDS 520C, TDS 620B, and TDS 724C models.) 2F Advanced DS...

Appendix A: Options and Accessories A–4 TDS 500C, TDS 600B, & TDS 700C User Manual Table A–2: Standard Accessories (Cont.) Accessory Part Number Probes: TDS 754C: Four P6139A 10X, 500 MHz Passive probesTDS 724C: Two P6139A 10X, 500 MHz Passive probesTDS 644B: Four P6243 probesTDS 620B: Two P6139...

Appendix A: Options and Accessories TDS 500C, TDS 600B, & TDS 700C User Manual A–5 The following optional accessory probes are recommended for use with youroscilloscope: P6701B Optical-to-Electrical Analog Converter: 500 to 950 nm (DC to 1 GHz, 1 V/mW) P6703B Optical-to-Electrical Analog Convert...

Appendix A: Options and Accessories TDS 500C, TDS 600B, & TDS 700C User Manual A–7 The optional accessories listed in Table A–4 are Tektronix software productsrecommended for use with your oscilloscope. Table A–4: Accessory software Software Part number Wavewriter: AWG and waveform creation S3FT...

TDS 500C, TDS 600B, & TDS 700C User Manual B–1 Appendix B: Algorithms The TDS Oscilloscope can take 25 automatic measurements. By knowing how itmakes these calculations, you may better understand how to use your oscillo-scope and how to interpret your results. Measurement Variables The oscillosc...

Appendix B: Algorithms B–2 TDS 500C, TDS 600B, & TDS 700C User Manual Histogram Method — attempts to find the highest density of points above and below the waveform midpoint. It attempts to ignore ringing and spikes whendetermining the 0% and 100% levels. This method works well when measuringsqu...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–3 LowRef — the waveform low reference level. Used in fall and rise time calculations. Typically set to 10%. You can set it from 0% to 100% or to avoltage level. Mid2Ref — the middle reference level for a second waveform (or the ...

Appendix B: Algorithms B–4 TDS 500C, TDS 600B, & TDS 700C User Manual MCross1, MCross2, and MCross3 — refer to the first, second, and third cross times, respectively. (See Figure B–1.) The polarity of the crossings does not matter for these variables, but thecrossings alternate in polarity; that...

Appendix B: Algorithms B–6 TDS 500C, TDS 600B, & TDS 700C User Manual Measurement Algorithms The automated measurements are defined and calculated as follows: = – The arithmetic area for one waveform. Remember that one waveform is notnecessarily equal to one cycle. For cyclical data you may pref...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–7 Timing measurement. The duration of a burst. 1. Find on the waveform. This is . 2. Find the last (begin the search at and search toward ). This is . This could be a different value from . 3. Compute = – Amplitude (voltage) mea...

Appendix B: Algorithms B–8 TDS 500C, TDS 600B, & TDS 700C User Manual Timing measurement. The amount of time between the and crossings of two different traces, or two different places on the same trace. Delay measurements are actually a group of measurements. To get a specificdelay measurement, ...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–9 High HighRef LowRef Low TLF THF Fall Time Figure B–2: Fall Time 3. From , continue the search, looking for a crossing of . Update if subsequent crossings are found. When a crossing is found, it becomes . (Use linear interpolat...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–11 Timing measurement. The ratio of the negative pulse width to the signal periodexpressed as a percentage. NegativeWidth is defined in Negative Width, below. If Period = 0 or undefined then return an error. NegativeDutyCycle = ...

Appendix B: Algorithms B–12 TDS 500C, TDS 600B, & TDS 700C User Manual Timing measurement. Time taken for one complete signal cycle. The reciprocalof frequency. Measured in seconds. = – Timing measurement. The amount of phase shift, expressed in degrees of thetarget waveform cycle, between the c...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–13 Timing measurement. The ratio of the positive pulse width to the signal period,expressed as a percentage. PositiveWidth is defined in Positive Width, following. If Period = 0 or undefined then return an error. PositiveDutyCyc...

Appendix B: Algorithms B–14 TDS 500C, TDS 600B, & TDS 700C User Manual 3. From , continue the search, looking for a crossing of . Update if subsequent crossings are found. If a crossing is found, it becomes the high rise time or . (Use linear interpolation if necessary.) 4. = – High HighRef LowR...

Appendix B: Algorithms TDS 500C, TDS 600B, & TDS 700C User Manual B–15 The integration algorithm used by the oscilloscope is as follows: ŕ B A W(t)dt is approximated by ŕ B A W ^ (t)dt where: W(t) is the sampled waveform ^ ( ) is the continuous function obtained by linear interpolation of W(t) A...

Appendix B: Algorithms B–16 TDS 500C, TDS 600B, & TDS 700C User Manual Measurements on Envelope Waveforms Time measurements on envelope waveforms must be treated differently fromtime measurements on other waveforms, because envelope waveforms contain somany apparent crossings. Unless otherwise n...

TDS 500C, TDS 600B, & TDS 700C User Manual C–1 Appendix C: Packaging for Shipment If you ship the TDS Oscilloscope, pack it in the original shipping carton andpacking material. If the original packing material is not available, package theinstrument as follows: 1. Obtain a corrugated cardboard s...

TDS 500C, TDS 600B, & TDS 700C User Manual D–1 Appendix D: Probe Selection The TDS Oscilloscope can use a variety of Tektronix probes for taking differentkinds of measurements. To help you decide what type of probe you need, thissection introduces the five major types of probes: passive, active,...

Appendix E: Probe Selection TDS 500C, TDS 600B, & TDS 700C User Manual D–3 Figure D–1: Typical High Voltage Probes Active Voltage Probes Active voltage probes, sometimes called “FET” probes, use active circuitelements such as transistors. There are three classes of active probes: High speed acti...

Appendix E: Probe Selection D–4 TDS 500C, TDS 600B, & TDS 700C User Manual Active probes offer low input capacitance (1 to 2 pF typical) while maintainingthe higher input resistance of passive probes (10 k W to 10 M W ). Like Z O probes, active probes are useful for making accurate timing and ph...

Appendix E: Probe Selection TDS 500C, TDS 600B, & TDS 700C User Manual D–5 Use a current probe by clipping its jaws around the wire carrying the current thatyou want to measure. (Unlike an ammeter which you must connect in series withthe circuit.) Because current probes are noninvasive, with loa...

TDS 500C, TDS 600B, & TDS 700C User Manual E–1 Appendix E: Inspection and Cleaning Inspect for dirt and damage on and clean the exterior of the TDS Oscilloscope.When done regularly, this preventive maintenance may prevent oscilloscopemalfunction and enhance its reliability. How often to do this ...

Appendix E: Cleaning E–2 TDS 500C, TDS 600B, & TDS 700C User Manual Inspection. Inspect the outside of the oscilloscope for damage, wear, and missing parts, using Table E–1 as a guide. Oscilloscopes that appear to have beendropped or otherwise abused should be checked thoroughly to verify correc...

TDS 500C, TDS 600B, & TDS 700C User Manual F–1 Appendix F: Programmer Disk The TDS Family Programmer disk is a Microsoft Windows help file that coversoperating your oscilloscope using the General Purpose Interface Bus (GPIB)(optional on some oscilloscopes). The disk also includes some examplepro...

TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–1 Glossary 2 + 2 channel operation Two-plus-two channel operation limits the simultaneous display of channelsto two of the four channels provided. Channels not displayed can be used tocouple a triggering signal to the oscilloscope. AC coupling ...

Glossary Glossary–2 TDS 500C, TDS 600B, & TDS 700C User Manual AND A logic (Boolean) function in which the output is true when and only whenall the inputs are true. On the oscilloscope, that is a trigger logic pattern andstate function. Area Measurement of the waveform area taken over the entire...

Glossary TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–3 Channel/probe deskew A relative time delay for each channel. This lets you align signals tocompensate for the fact that signals may come in from cables of differinglength. Channel Reference Indicator The indicator on the left side of...

Glossary Glossary–4 TDS 500C, TDS 600B, & TDS 700C User Manual Digitizing The process of converting a continuous analog signal such as a waveform to aset of discrete numbers representing the amplitude of the signal at specificpoints in time. Digitizing is composed of two steps: sampling and quan...

Glossary TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–5 General purpose knob The large front-panel knob with an indentation. You can use it to change thevalue of the assigned parameter. Glitch positive trigger Triggering occurs if the oscilloscope detects positive spike widths less thanth...

Glossary Glossary–6 TDS 500C, TDS 600B, & TDS 700C User Manual High The value used as 100% in automated measurements (whenever high ref,mid ref, and low ref values are needed as in fall time and rise time measure-ments). May be calculated using either the min/max or the histogrammethod. With the...

Glossary TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–7 Interleaving TDS 500B and TDS 700A Models Only: A method by which theseoscilloscopes attain higher digitizing speeds. The oscilloscope applies thedigitizing resources of unused channels (that is, channels that are turned off)to sampl...

Glossary Glossary–8 TDS 500C, TDS 600B, & TDS 700C User Manual Mean Amplitude (voltage) measurement of the arithmetic mean over the entirewaveform. Minimum Amplitude (voltage) measurement of the minimum amplitude. Typically themost negative peak voltage. NAND A logic (Boolean) function in which ...

Glossary TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–9 Oscilloscope An instrument for making a graph of two factors. These are typically voltageversus time. Peak Detect acquisition mode A mode in which the oscilloscope saves the minimum and maximumsamples over two adjacent acquisition in...

Glossary TDS 500C, TDS 600B, & TDS 700C User Manual Glossary–13 Vertical bar cursors The two vertical bars you position to measure the time parameter of awaveform record. The oscilloscope displays the value of the active (move-able) cursor with respect to the trigger and the time value between t...

TDS 500C, TDS 600B, & TDS 700C User Manual Index–1 Index Numbers 1/seconds (Hz), Cursor menu, 3–1312 + 2 channel operation, xiv, 1–1, 1–2, Glossary–120 MHz, Vertical menu, 3–17250 MHz, Vertical menu, 3–17 A AC coupling, Glossary–1AC line voltage, trigger input, 3–64AC, Main Trigger menu, 3–74Acc...

Index Index–2 TDS 500C, TDS 600B, & TDS 700C User Manual Average acquisition mode, 3–30, 3–61, Glossary–2Average mode, Acquire menu, 3–184Average, Acquire menu, 3–33Average, More menu, 3–191 B Bandwidth, Glossary–2 Selecting, 3–17 Bandwidth, Vertical menu, 3–17Banner, displaying, 3–181–3–182Base...

Index TDS 500C, TDS 600B, & TDS 700C User Manual Index–3 Color, 3–44 How to set, 3–44 Color Deskjet, 3–165Color Matches Contents, Color menu, 3–47, 3–48Color menu, 3–44 Bold, 3–45Change Colors, 3–46Collision Contrast, 3–48Color, 3–46, 3–47, 3–48Color Matches Contents, 3–47, 3–48Hardcopy, 3–45Hue...

Index Index–4 TDS 500C, TDS 600B, & TDS 700C User Manual D Data Source, Main Trigger menu, 3–86Date/Time On hardcopies, 3–168To set, 3–169 DC coupling, Glossary–3DC offset, 3–201 for DC correction of FFTs, 3–201with math waveforms, 3–201, 3–219 DC, Main Trigger menu, 3–74Default Model(s), xivDef...

Index TDS 500C, TDS 600B, & TDS 700C User Manual Index–5 YT, 3–43 Display, Display menu, 3–39Display, Status menu, 3–179Dots, 3–39Dots style, Display menu, 3–186Dots, Display menu, 3–39DPU411–II, Hardcopy menu, 3–167DPU412, Hardcopy menu, 3–167Drives, File Utilities menu, 3–164Dual Wfm Math, Mor...

Index Index–6 TDS 500C, TDS 600B, & TDS 700C User Manual Frame Length, Horizontal menu, 3–60Frame, Display menu, 3–42Frame, Horizontal menu, 3–60Frequency, 2–22, 3–115, Glossary–4Front Cover removal, 1–7Front panel, 2–4Full, Display menu, 3–42Full, Vertical menu, 3–17Function, Cursor menu, 3–129...

Index TDS 500C, TDS 600B, & TDS 700C User Manual Index–7 Histograms, 3–133HistoMasks, Status menu, 3–179Hits in Box, 3–135Holdoff, trigger, 3–66, Glossary–6Horiz Pos, Horizontal menu, 3–22Horiz Scale, Horizontal menu, 3–22Horizontal Bar cursors, 3–127, Glossary–6Control, 3–19–3–62Menu, 3–68Posit...

Index Index–8 TDS 500C, TDS 600B, & TDS 700C User Manual Level, Telecom Trigger menu, 3–106Level, Trigger, 3–68LF Rej, Main Trigger menu, 3–74Lightness, Color menu, 3–46Limit Test Condition Met, Acquire menu, 3–187Limit Test Setup, Acquire menu, 3–186, 3–187Limit Test Sources, Acquire menu, 3–18...

Index TDS 500C, TDS 600B, & TDS 700C User Manual Index–9 Math1/2/3, More menu, 3–191Maximum, 3–115, Glossary–7Mean, 3–115, 3–135, Glossary–8Mean +– 1 StdDev, 3–135Mean +– 2 StdDev, 3–135Mean +– 3 StdDev, 3–135Mean dBm, 3–116, B–10MEASURE button, 3–117, 3–135Measure Delay menu Create Measrmnt, 3–...