Page 1 User Manual TDS 410A, TDS 420A & TDS 460A Digitizing Oscilloscopes 070-9219-00...
Page 2 Copyright Tektronix, Inc. 1995. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A.
Page 3 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located.
Page 5 German Postal Information Certificate of the Manufacturer/Importer We hereby certify that the TDS 410A, TDS 420A, and TDS 460A Digitizing Oscilloscopes and all factory-installed options comply with the RF Interference Suppression requirements of Postal Regulation Vfg. 243/1991, amended per Vfg. 46/1992.
Page 6 Marktweg 73A 8444 AB Heerenveen The Netherlands declare under sole responsibility that the TDS 410A Digitizing Oscilloscope TDS 420A Digitizing Oscilloscope TDS 460A Digitizing Oscilloscope meet the intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the official Journal of the European Communities: EN 50081–1 Emissions:...
Page 7: Table Of Contents
......... . 3–107 Setting Up Automatically: Autoset and Reset ....3–111 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 8: Table Of Contents
....... . . F–1 Glossary Index TDS 410A, TDS 420A & TDS 460A User Manual...
Page 9 ........2–45 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 10 ....3–67 Figure 3–32: Snapshot Menu and Readout ..... . 3–68 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 11 Figure 3–68: Zoom Preview Mode ......3–138 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 12 ......... . C–14 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 13 Table B–17: Typical Characteristics — Triggering System ..B–19 Table B–18: Typical Characteristics — Data Handling ... B–20 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 14 Table of Contents Table E–1: Factory Initialization Defaults ..... . E–1 viii TDS 410A, TDS 420A & TDS 460A User Manual...
Page 15: General Safety Summary
Product Damage Precautions Use Proper Power Source Do not operate this product from a power source that applies more than the voltage specified. Provide Proper Ventilation To prevent product overheating, provide proper ventilation. TDS 410A, TDS 420A & TDS 460A User Manual...
Page 16: Safety Terms And Symbols
CAUTION indicates a hazard to property including the product. Symbols on the Product The following symbols may appear on the product: Double DANGER Protective Ground ATTENTION Insulated High Voltage (Earth) Terminal Refer to Manual TDS 410A, TDS 420A & TDS 460A User Manual...
Page 17: Related Manuals
Preface This is the User Manual for the TDS 410A, TDS 420A, and TDS 460A Digitizing Oscilloscopes. If you are a new user, use the Getting Started section to become familiar with the operation of your digitizing oscilloscope. The Concepts section covers basic principles of the operation of the oscilloscope.
Page 18 Sometimes you may have to make a selection from a pop-up menu: Press TRIGGER MENU Type (main) Edge (pop-up). In this example, you repeatedly press the main menu button Type until Edge is highlighted in the pop-up menu. TDS 410A, TDS 420A & TDS 460A User Manual...
Page 20: Product Description
400 MHz maximum analog bandwidth on the TDS 460A 200 MHz maximum analog bandwidth on the TDS 410A and TDS 420A 100 Megasamples/second maximum digitizing rate Roll mode and triggered roll mode for display of slower waveforms Waveform Math —...
Page 21 Product Description The product specification is in Appendix B: Specifications and in the TDS 410A, TDS 420A & TDS 460A Performance Verification and Specifications that is shipped as a standard accessory with TDS 400A Digitizing Oscilloscopes. 1–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 22: Start Up
250 V for 48 through 440 Hz, and may require up to 240 W. 5. Connect the proper power cord from the rear-panel power connector (see Figure 1–1 for the connector location) to the power system. 1–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 23: Figure 1–1: Rear Panel Controls Used In Start Up
STBY. Once the digitizing oscilloscope is installed, you can leave the principal power switch on and use the ON/STBY button. 1–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 24: Figure 1–2: On/Stby Button
Check the self test results. If the self test fails, call your local Tektronix Service Center. Depending on the type of failure, you may still be able to use the oscilloscope before it is serviced.
Page 25 Start Up 1–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 27: Functional Overview
To explore these topics in more depth and to read about topics not covered in this section, see Reference. Page 3–1 lists the topics covered. 2–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 28 Functional Overview 2–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 29: At A Glance
This section also contains a visual guide to using the menu system. Front Panel Map — Left Side Side Menu Buttons CLEAR MENU Removes Menus from the Display ON/STBY Switch, Main Menu Buttons, page 1–3 page 2–7 2–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 30 Removing Waveforms, page 3–108 Ground Vertical Control, Zoom, Horizontal Control, Triggering, page 2–31 page 3–121 page 3–135 page 3–45 Delay Triggering, page 3–13 Edge Triggering, page 3–27 Video Triggering, page 3–125 2–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 31 1–3 page 3–89 page 1–3 VIDEO VGA Compatible AUX TRIGGER/EXT CLOCK Serial Number Principal Power Switch, Connector, page F–1 (Provides Auxiliary Trigger page 1–4 and External Clock Input), page 3–49 2–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 32: Display Map
Waveform Source Trigger Parameters, Vertical Scale of Each page 2–37 Channel, page 3–121 The main menu with choices Horizontal Scale and Time of major actions Base Type, page 3–45 2–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 33 Press one of these buttons to select from side menu (if displayed). If side menu item has an adjustable value (shown in reverse video), adjust it with the general purpose knob. 2–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 34 Press 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. 2–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 35 Cursor Menu (see page 3–115) Delayed Trigger Menu (see page 3–13) Display Menu (see page 3–21) Hardcopy Menu (see page 3–35) Horizontal Menu (see page 3–45) 2–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 36 (see page 3–59) More Menu (see page 3–131) Save/Recall Setup Menu (see page 3–97) Save/Recall Waveform Menu (see page 3–101) Status Menu (see page 3–19) Trigger Menu – Video (see page 3–125) 2–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 37 (see page 3–38) Utility Menu – Diagnostics (see the Service manual) Utility Menu – I/O (see pages 3–89 and 3–36) Vertical Channel Menu (see page 3–121) Zoom Menu (see page 3–135) 2–11 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 38 At a Glance 2–12 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 39: Tutorial
Then, using one of the probes supplied with the digitizing oscilloscope, connect from the CH 1 connector of the digitizing oscilloscope to the PROBE ADJ connector (Figure 2–1). Figure 2–1: Connecting a Probe for the Examples 2–13 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 40: Figure 2–2: Setup Button Location
Recall Factory Setup selection (see Figure 2–3). 3. Press the button to the right of the OK Confirm Factory Init side menu item. 2–14 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 41: Figure 2–4: Set Level To 50% Button
0 V, the indicator points to the vertical offset level. The trigger readout shows that the digitizing oscilloscope is triggering on channel 1 (Ch1) on a rising edge and that the trigger level is about 200-300 mV. 2–15 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 42: Figure 2–5: The Display After Factory Initialization
Trigger Position Indicator Channel Ground Reference Indicator Channel Time Base Trigger Readout Readout Readout Figure 2–5: The Display After Factory Initialization 2–16 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 43: Figure 2–6: The Vertical And Horizontal Controls
Figure 2–6: The VERTICAL and HORIZONTAL Controls 2. Turn the vertical POSITION knob first one direction, then the other. Observe the change in the displayed waveform. Then return the waveform to the center of the graticule. 2–17 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 44: Figure 2–7: Trigger Controls
Leave the trigger level in that untriggered state. 2. Press AUTOSET (see Figure 2–8) and observe the stable waveform display. MAIN LEVEL Knob Figure 2–7: TRIGGER Controls AUTOSET Button Figure 2–8: AUTOSET Button Location 2–18 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 45: Figure 2–9: The Display After Pressing Autoset
Figure 2–10), then you may need to compensate your probe. The Probe Compensation section on page 3–81 explains how to compensate your probe. Figure 2–10: Display Signals Requiring Probe Compensation 2–19 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 46: Figure 2–11: The Channel Buttons And Lights
2–13 under the heading Setting Up for the Examples. 2. Press SETUP Recall Factory Setup (main) OK Confirm Factory Init (side). 3. Press AUTOSET. 4. Press CH 2. 2–20 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 47 ; this changes the input coupling of channel 2 from 1 M to 50 . The channel readout for channel 2 (near the bottom of the graticule) now shows an indicator. 2–21 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 48: Figure 2–12: The Vertical Main Menu And Coupling Side Menu
1. 2. Press CH 2 (side) to toggle the selection to 1 M . This returns the coupling impedance of channel 2 to its initial state. 2–22 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 49: Figure 2–13: The Menus After Changing Channels
The channel (CH) lights now indicate channel 1. Channel 1 has become the selected channel. When you remove the last waveform, all the CH lights are turned off. 2. Press WAVEFORM OFF again to remove the channel 1 waveform. 2–23 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 50: Figure 2–14: Measure Main Menu And Select Measurement Side Menu
OK Confirm Factory Init (side). 3. Press AUTOSET. 4. Press MEASURE to display the Measure main menu (see Figure 2–14). Figure 2–14: Measure Main Menu and Select Measurement Side Menu 2–24 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 51 To examine the current values, press Reference Levels (main) High Ref (side). The general purpose knob, the large knob, is now set to adjust the high reference level (Figure 2–16). 2–25 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 52: Figure 2–15: Four Simultaneous Measurement Readouts
Tutorial Figure 2–15: Four Simultaneous Measurement Readouts General Purpose Knob Setting and Readout General Purpose Knob Icon Highlighted Menu Item with Boxed Readout Value Figure 2–16: General Purpose Knob Indicators 2–26 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 53 The snapshot display includes the label Ch 1, meaning that the measure- ments displayed are taken on the channel 1 waveform. You take a snapshot of a waveform in another channel by first selecting that channel using the channel selection buttons. 2–27 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 54: Figure 2–17: Snapshot Of Channel 1
3. Press Remove Measrmnt (main) to remove the snapshot display. (You can also press CLEAR MENU, but a new snapshot will be executed the next time you display the Measure menu.) 2–28 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 55 Setup locations labeled factory have the factory setup stored as a default and can be used to store current setups without disturbing previously stored setups. 2–29 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 56: Figure 2–18: Save/Recall Setup Menu
This completes the examples. You can restore the default settings by pressing SETUP Recall Factory Setup (main) OK Confirm Factory Init (side). 2–30 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 57: Figure 2–19: Triggered Versus Untriggered Displays
Examples include devices such as lighting equipment and power supplies. Because the digitizing oscilloscope generates the trigger, you do not have to input a trigger signal. 2–31 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 58 Although the unsynced waveform may “roll” across the display, it does not freeze as it would in normal trigger mode. Monitoring of a power supply output is an example of such an application. 2–32 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 59: Figure 2–20: Trigger Holdoff Time Ensures Valid Triggering
Acquisition Acquisition Interval Interval Trigger Level Indicates Trigger Points Holdoff Holdoff Holdoff Triggers are not recognized during holdoff time. Figure 2–20: Trigger Holdoff Time Ensures Valid Triggering 2–33 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 60 You set trigger slope by selecting Slope in the Main Trigger menu and then selecting from the rising or falling slope icons in the side menu that appears. The level control determines where on that edge the trigger point occurs (see Figure 2–21). 2–34 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 61: Figure 2–21: Slope And Level Controls Help Define The Trigger
Note that the MAIN LEVEL knob and menu items apply only to the main trigger level. To modify the delayed trigger level, use the Level item in the Delayed Trigger menu. 2–35 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 62: Figure 2–22: Trigger Controls And Status Lights
When READY is lighted, it means the digitizing oscilloscope can accept a valid trigger event and it is waiting for that event to occur. 2–36 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 63: Figure 2–23: Example Trigger Readouts
Both the trigger position indicator and the trigger level bars are displayed from the Display menu. See Set Display Readout Options on page 3–22 for more information. 2–37 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 64: Figure 2–24: Record View, Trigger Position, And Trigger Level Bar Readouts
Edge. For More Information For more triggering information see Edge Triggering on page 3–27, Delay Triggering on page 3–13, Video Triggering on page 3–125, and Horizontal Control on page 3–45. 2–38 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 65: Figure 2–25: Acquisition: Input Analog Signal, Sample And Digitize
The digitizing oscilloscope creates a waveform record containing a user-specified number of data points. Each record point represents a certain voltage level that occurs a determined amount of time from the trigger event. 2–39 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 66: Figure 2–27: Real-Time Sampling
Sin(x)/x interpolation computes record points using a curve fit between the actual values acquired. It assumes all the interpolated points fall along that curve. That is particularly useful when acquiring more rounded waveforms such as sine 2–40 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 67: Figure 2–28: Equivalent-Time Sampling
The oscilloscope takes samples independent of the trigger position and displays them based on the time difference between the sample and the trigger. 2–41 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 68 200 kHz. For More Information For more acquisition information, see Scaling and Positioning Waveforms on page 2–43 and Acquisition Modes on page 3–5. 2–42 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 69: Figure 2–29: Scaling And Positioning
Record View Channel Reference Icon Original Position Positioned Vertically Positioned Horizontally Original Scale Scaled Vertically Scaled Horizontally Figure 2–29: Scaling and Positioning 2–43 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 70 The scale readout shows the time per division used. Since all live waveforms use the same time base, the digitizing oscilloscope only displays one value for all the active channels. 2–44 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 71: Figure 2–30: Aliasing
There are two types of delayed time base acquisi- tions, with each based on its triggering relationship to the main time base. These are delayed runs after main and delay triggerable (after time, events, or both) acquisitions. 2–45 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 72 For more information on scaling and positioning waveforms, see Setting Up Automatically: Autoset and Reset on page 3–111, Delayed Triggering on page 3–13, Horizontal Control on page 3–45, Vertical Control on page 3–121, and Zoom on page 3–135. 2–46 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 73: Figure 2–31: Graticule, Cursor, And Automated Measurements
Automated measurements use readouts to show measurement status. These readouts are updated as the oscilloscope acquires new data or if you change settings. 2–47 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 74 A second push toggles the cursors back to tracking. You can read more detailed information about how to use cursors in Taking Cursor Measurements beginning on page 3–115. 2–48 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 75: Figure 2–32: Cursor Modes
143 mV/div (152 mV/div for PAL) where the divisions are those of the conventional graticule, not the divisions of the video graticules. For NTSC, the actual grid lines represent 10 IRE, and for PAL the lines are 100 mV apart. 2–49 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 76 3–59, Example 3: Taking Automated Measurements on page 2–24, Waveform Math, on page 3–131, and the TDS Family Option 2F Instruction Manual (if your oscilloscope is equipped with that option). 2–50 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 78: Overview
Probe Compensation Zoom Probe Selection Many of these tasks list steps you perform to accomplish the task. You should read Conventions on page xii of Preface before reading about these tasks. 3–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 79 Overview 3–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 80: Accessing Help
HELP button is first pressed. If you are in help mode and want to see help on selections from non-displayed menus, you first exit help mode, display the menu you want information on, and press HELP again to re-enter help mode. 3–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 81: Figure 3–1: Initial Help Screen
Accessing Help Figure 3–1: Initial Help Screen 3–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 82: Acquisition Modes
If you set the time base so fast (faster than 500 ns) that it requires real-time interpolation or equivalent-time sampling, the mode automatically changes from Peak Detect to Sample, although the menu selection does not change. 3–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 83: Figure 3–2: How The Acquisition Modes Work
Calculates average value for Uses Sample Mode for Each Acquisition each record point over many acquisitions Use to reduce apparent noise in a repetitive signal. Figure 3–2: How the Acquisition Modes Work 3–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 84 For 1 s div and slower, BW 0.44 [Hz] HiRes time div Resolution, External Clock: 100, 000, 000 Resolution 0.5 Log 15 [bits] HiRes ClockExternalMenu Bandwidth, External Clock: ClockExternalMenu [Hz] HiRes 3–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 85: Table 3–1: Resolution Bits
This mode reduces random noise. The oscilloscope acquires data after each trigger event using Sample mode. It then averages the record point from the current acquisition with those stored from previous acquisitions. 3–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 86: Figure 3–3: Acquisition Menu And Readout
Press SHIFT ACQUIRE MENU Mode (main) Sample, Peak Detect, Hi Res, Envelope, or Average (side). NOTE. If you select a 120000 point record length, you cannot select Hi Res mode. 3–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 87 To choose the event that signals the oscilloscope to stop acquiring waveforms, do the following step: Press SHIFT ACQUIRE MENU Stop After (main) RUN/STOP button only, Single Acquisition Sequence, or Limit Test Condition Met (side) (see Figure 3–4). 3–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 88: Figure 3–4: Acquire Menu — Stop After
Acquire and Stop After menus, press SHIFT FORCE TRIG. Now the RUN/STOP button operates as just described. (You still must display the Acquire menu and then the Stop After menu to leave Single Acquisition Sequence operation.) 3–11 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 89 Limit Test Sources main menu item. See Limit Testing, on page 3–53. For More Information See Acquisition, on page 2–39. See Limit Testing, on page 3–53. 3–12 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 90: Delayed Triggering
After Events waits for the specified number of delayed trigger events and then acquires. External clks waits for the specified number of external clocks and then acquires. 3–13 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 91 The end of the zone corresponds to the end of the delayed record. To learn how to define the intensity level of the normal and intensified wave- form, see Display Modes on page 3–21. 3–14 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 92: Figure 3–7: How The Delayed Triggers Work
Main Trigger Point Main Trigger Source External Clock Start Posttrigger Acquisition (Trigger Waiting for nth Clock on nth External Clock Event) (Where n=5) Figure 3–7: How the Delayed Triggers Work 3–15 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 93 The Source menu lets you select which input is the delayed trigger source. 4. On the TDS 420A and TDS 460A, press Source (main) Ch1, Ch2, Ch3, or Ch4 (side). On the TDS 410A, press Ch1 or Ch2 (side). 3–16 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 94: Figure 3–8: Delayed Trigger Menu
Level lets you enter the delayed trigger level using the general purpose knob. Set to TTL fixes the trigger level at +1.4 V. Set to ECL fixes the trigger level at –1.3 V. 3–17 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 95 ECL (–1.3 V) levels. Set to 50% fixes the delayed trigger level to 50% of the peak-to-peak value of the delayed trigger source signal. For More Information See Triggering, on page 2–31. 3–18 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 96: Determining Status
Trigger displays information about the triggers. Waveforms displays information about the various waveforms, including live, math, and reference. I/O displays information about the I/O port(s). Firmware Date Figure 3–9: Status Menu — System 3–19 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 97: Figure 3–10: Banner Display
Determining Status To Display the Banner To display the banner (firmware version, options, and copyright): Press SHIFT STATUS Banner (main). (See Figure 3–10.) Figure 3–10: Banner Display 3–20 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 98: Display Modes
Infinite Persistence, or Variable Persistence (side) (Figure 3–11). Figure 3–11: Display Menu — Style Vectors style displays draw vectors (lines) between the record points. Dots style displays waveform record points as dots. 3–21 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 99 2. Toggle Display ‘T’ @ Trigger Point (side) to select whether or not to display a ‘T’ indicating the trigger point. You can select ON or OFF. (The trigger point indicates the position of the trigger in the waveform record.) 3–22 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 100: Figure 3–12: Trigger Point And Level Indicators
Select Interpolation Filter The display filter types are sin(x)/x interpolation and linear interpolation. For more information see page 2–40. Press DISPLAY Filter (main) Sin(x)/x Interpolation or Linear Interpo- lation (side). 3–23 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 101 This mode is particularly useful for studying phase relationships. To set the display axis format: Press DISPLAY Format (main) XY or YT (side). 3–24 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 102: Table 3–2: Xy Format Pairs
XY format. You cannot display Math waveforms in XY format. They disappear from the display when you select XY. For More Information See Acquisition on page 2–39. 3–25 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 103 Display Modes 3–26 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 104: Edge Triggering
To bring up the Edge Trigger menu, press TRIGGER MENU Type (main) Edge (pop-up) (see Figure 3–14). 3–27 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 105: Figure 3–14: Main Trigger Menu — Edge Type
HF Rej removes the high frequency portion of the triggering signal. That allows only the low frequency components to pass on to the triggering system to start an acquisition. High frequency rejection attenuates signals above 30 kHz. 3–28 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 106 In Normal mode the oscilloscope acquires a waveform only if there is a valid trigger. 2. To change the holdoff time, press Holdoff (side). Enter the value in % using the general purpose knob. 3–29 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 107 However, it is not reset if you change the delayed time base time/division (that is, when the time base setting in the Horizontal menu is Intensified or Delayed Only). For More Information See Triggering, on page 2–31. 3–30 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 108: Figure 3–15: File Utilities
Shift HARDCOPY button to bring up the Hardcopy menu. 2. Press File Utilities in the main menu to bring up the File Utilities side menu. (See Figure 3–15.) Figure 3–15: File Utilities 3–31 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 109 Press Enter Char from the main menu to enter each letter. When you have entered the name, press the side menu OK Accept item. (See Figure 3–16). 3–32 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 110: Figure 3-16: File System - Labelling Menu
RS-232, or Centronics. (See Figure 3–16.) Then the digitizing oscilloscope sends the file in its raw form out the port. The device (printer) receiving the file must be capable or printing the particular file format. 3–33 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 111: To Create A Directory
(fd0:) Then, press the side menu Format button. For More Information See Hardcopy, on page 3–35. See Saving and Recalling Setups, on page 3–97. See Saving and Recalling Waveforms, on page 3–101. 3–34 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 112: Hardcopy
EPS Mono and Color formats are compatible with the Tektronix Phaser Color Printer, HPGL is compatible with the Tektronix HC100 Plotter, and Epson is compatible with the Tektronix HC200 Printer.
Page 113: Figure 3–17: Utility Menu — System I/O
1. Press SHIFT HARDCOPY MENU to bring up the Hardcopy menu. 2. Press Format (main) Thinkjet, Deskjet, Laserjet, Epson, DPU-411, DPU-412, PCX, TIFF, BMP, EPS Image, EPS Mono, EPS Color (EPS 3–36 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 114: Figure 3–18: Hardcopy Formats
3. Press Clear Menu to remove the menu from the display so the date and time can be displayed. See Figure 3–19. (The date and time is removed from the display when menus are displayed.) 4. Press HARDCOPY to print your date/time stamped hardcopy. 3–37 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 115: Figure 3–19: Date And Time Display
When current time catches up to the time you have set, pressing Ok Enter Date/Time synchronizes the set time to (side) the current time. 5. Press CLEAR MENU to see the date/time displayed with the new settings. 3–38 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 116: Figure 3–20: Connecting The Digitizing Oscilloscope Directly To The Hardcopy Device
(See Figure 3–20.) Some devices, such as the Tektronix HC100 Plotter, use the GPIB interface. Many printers, such as the Tektronix HC200, use Centronics interfaces (optional on the TDS 400A). Many hardcopy devices, including the HC100 and HC200 with option 03, use RS-232 interfaces (optional on the TDS 400A).
Page 117 For instance, the digitizing oscilloscope saves the first hardcopy you save to the file TEK00001.FMT, the second to TEK00002.FMT, and so on. 3–40 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 118: Figure 3–21: Connecting The Digitizing Oscilloscope And Hardcopy Device Via A Pc
GPIB Cable Figure 3–21: Connecting the Digitizing Oscilloscope and Hardcopy Device Via a PC Print. If your controller is PC-compatible and it uses the Tektronix GURU or S3FG210 (National Instruments GPIB-PCII/IIA) GPIB package, do the following steps to print a hardcopy: 1.
Page 119 “copy screen1 lpt1: /B”. Your hardcopy device should now print a picture of the digitizing oscilloscope screen. NOTE. If you transmit hardcopy files across a computer network, use a binary (8-bit) data path. 3–42 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 120 Centronics or GPIB-to-RS-232 interface converter box between the digitizing oscilloscope and the RS-232 or Centronics hardcopy device (see Figure 3–22). For example, a National Instruments GPIB-PRL (a GPIB-to-Centronics converter) permits you to make screen prints on a Tektronix HC200 Dot Matrix printer with just a Centronics port. 3–43...
Page 121: Figure 3–22: Connecting The Digitizing Oscilloscope And Hardcopy Device Via A Converter
See Remote Communication, on page 3–89. See the TDS Family Option 13 Instruction Manual (Option 13 equipped oscilloscopes only). See the File System, on page 3–31 (Option 1F equipped oscilloscopes only). 3–44 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 122: Figure 3–23: Record View And Time Base Readouts
Figure 3–23. Also see Figure 2–29 on page 2–43.) Since all live waveforms use the same time base, the digitizing oscilloscope only displays one value for all the active channels. Record View Time Base Readout Figure 3–23: Record View and Time Base Readouts 3–45 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 123: Figure 3-24: Horizontal Controls
When you use the horizontal SCALE knob and select a channel, you scale all channel waveforms displayed at the same time. If you select a math or reference waveform, you scale only the selected waveform. Figure 3–24: Horizontal Controls 3–46 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 124 CH 1 and CH 2, even if CH 1 and CH 2 are not displayed, you have used three waveforms. Therefore, you can only display one additional waveform. 3–47 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 125 To Select the Delayed To select between the Main and Delayed views of the time base: Time Base Press HORIZONTAL MENU Time Base (main) Main Only, Intensi- fied, or Delayed Only (side). 3–48 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 126 Another example of a signal that you could use as a trigger is the sector 0 signal in a computer hard disk; observing the acquired waveform, the trigger T shows where in the record the hard disk returns to sector 0. 3–49 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 127 TDS 420A and TDS 460A, press TRIGGER MENU Type (main) Edge (pop-up) Source (main) Ch1, Ch2, Ch3, Ch4, AC Line, or Auxiliary (side). On the TDS 410A, press TRIGGER MENU Type (main) Edge (pop-up) Source (main) Ch1, Ch2, AC Line, or Auxiliary (side), and then press SET LEVEL TO 50%.
Page 128 Horizontal Control For More Information See Scaling and Positioning Waveforms, on page 2–43. See Delayed Triggering, on page 3–13. See Zoom, on page 3–135. 3–51 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 129 Horizontal Control 3–52 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 130: Limit Testing
To use an incoming or stored waveform to create the limit test template, first select a source. 1. To access limit testing, press SHIFT ACQUIRE MENU to bring up the Acquire menu. 3–53 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 131: Figure 3–26: Acquire Menu — Create Limit Test Template
2. On TDS 420A and TDS 460A, press Create Limit Test Template (main) Template Source (side) Ch1, Ch2, Ch3, Ch4, Math1, Math2, Math3, Ref1, Ref2, Ref3, or Ref4 (side). On TDS 410A, press Create Limit Test Template (main) Template Source (side) Ch1, Ch2, Math1, Math2, Math3, Ref1, Ref2, Ref3, or Ref4 (side).(See Figure 3–26).
Page 132 1. On TDS 420A and TDS 460A, press SHIFT ACQUIRE MENU Limit Test Sources (main) Compare Ch1 to, Compare Ch2 to, Compare Ch3 to, or Compare Ch4 to (side). On TDS 410A, press SHIFT ACQUIRE MENU Limit Test Sources (main) Compare Ch1 to, Compare Ch2 to, (side).
Page 133 You can also compare more than one waveform against a single template or more Comparisons than one waveform with each one compared against its own template. When comparing multiple waveforms, consider the following operating characteristics: 3–56 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 134 For example, CH 2 is higher than CH 1. For More Information See Acquisition, on page 2–39. See Acquisition Modes, on page 3–5. See Display Modes, on page 3–21. See Zoom, on page 3–135. 3–57 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 135 Limit Testing 3–58 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 136: Measuring Waveforms
Voltage measurement. The true Root Mean Square voltage over the first cycle in the waveform, or the first cycle in the gated region. Delay Timing measurement. The time between the MidRef crossings of two different traces, or the gated region of the traces. 3–59 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 137 Timing measurement of the first cycle in the waveform or gated region. The ratio of the positive pulse width to the signal period expressed as a percentage. PositiveWidth PositiveDutyCycle 100% Period 3–60 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 138: Figure 3–27: Measurement Readouts
(see Figure 3–27). When menus are displayed, the readouts appear in the graticule area. You can display and continuously update as many as four measurements at any one time. Measurement Readout Area Figure 3–27: Measurement Readouts 3–61 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 139: Figure 3–28: Measure Menu
Figure 3–28: Measure Menu Measurements are made on the selected waveform. The measurement display tells you the channel the measurement is being made on. 1. Press MEASURE Select Measrmnt (main). 3–62 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 140 Displaying the cursor menu and turning V Bar cursors off does not turn gating off. (Gating arrows remain on screen to indicate the area over which the measurement is gated.) You must turn gating off in the Gating side menu. 3–63 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 141: Figure 3–29: Measure Menu — Gating
(depending on whether it is defining the high or low reference level). Since this statistical approach ignores short term aberrations (overshoot, ringing, and so forth), histogram is the best setting for examining pulses. 3–64 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 142 Low Ref sets the low reference level. The default is 10%. Mid2 Ref sets the middle reference level used on the second waveform specified in Delay or Phase Measurements. The default is 50%. 3–65 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 143: Figure 3–30: Measure Menu — Reference Levels
2. Press Measure Delay to (side) repeatedly to choose the delay to waveform. For TDS 420A and TDS 460A the choices are Ch1, Ch2, Ch3, Ch4; and Math1, Math2, Math3, Ref1, Ref2, Ref3, and Ref4. For TDS 410A the choices are Ch1, Ch2; and Math1, Math2, Math3, Ref1, Ref2, Ref3, and Ref4.
Page 144: Figure 3–31: Measure Delay Menu — Delay To
4. To take the measurement you just specified, press Delay To (main) Create Measurement (side). To exit the Measure Delay menu without creating a delay measurement, press CLEAR MENU, which returns you to the Measure menu. 3–67 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 145: Figure 3–32: Snapshot Menu And Readout
To use snapshot, obtain a stable display of the waveform to be measured (pressing AUTOSET may help). Then do the following steps: 1. Press MEASURE SNAPSHOT (main). 2. Press either SNAPSHOT (main) or AGAIN (side) to take another snapshot. 3–68 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 146 See Measurements, on page 2–47, for a brief discussion of automated, cursor, and graticule measurements. See Example 3: Taking Automated Measurements, on page 2–24, for a tutorial example of making automatic measurements. 3–69 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 147 Measuring Waveforms 3–70 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 148: And Inductance
If you know the self-inductance (L) and capacitance (C) of your probe and ground lead, you can calculate the approximate resonant frequency (f ) at which that parasitic circuit resonates: 3–71 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 149: Figure 3–34: Signal Variation Introduced By Probe Ground Lead (1 Ns/Division)
These accessories either reduce ground lead inductance or make it physically easier to probe different kinds of circuits. Standard probe accessories include the following items. 3–72 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 150: Figure 3-35: Probe Accessories
Slip-on Ground Adapter (Optional) Lead (Standard) Alligator Clip Ground Lead (Standard) Retractable Hook Tip (Standard) Low Inductance Spring KlipChip Tip (Optional) (Standard) Low Inductance Ground Lead (Standard) Figure 3–35: Probe Accessories 3–73 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 151 Because of the high inductance associated with long ground leads, you should not use them for precise measurements above approximately 30 MHz (or for pulses with rise times less than about 11 ns). 3–74 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 152 Because the ground lead simply contacts the ground reference (instead of clipping onto it) you can move the probe around your device under test with ease. The assembly is well-suited to densely populated circuit boards and multi-pin connectors. 3–75 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 153 Instructions for installing the probe tip-to-circuit board adapters are packaged with the adapters. For the best performance and ease of testing, Tektronix strongly recommends that you incorporate the probe tip-to-circuit board adapters (or the probe tip-to-chassis adapters described below) into your next design.
Page 154 The probe-tip-to-chassis adapter has the same low inductance properties as the probe-tip-to-circuit board adapter described previously. To use your probe with these adapters, unscrew and remove the ribbed ferrule. 3–77 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 155 For that reason you should take into account ground lead inductance effects on measurements at frequencies greater than about 30 MHz. 3–78 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 156 Because of the length of the signal lead, the dual-lead configuration is also more susceptible to signal crosstalk than other tip configurations. 3–79 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 157 Probe Accessories 3–80 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 158: Probe Compensation
(like the P6138), you need to set the input impedance back to 1 M . Step 4 explains how to change the input impedance. 3. Press VERTICAL MENU Bandwidth (main) 20 MHz (side). 3–81 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 159: Figure 3–37: Probe Adjustment
6. Adjust the probe until you see a perfectly flat top square wave on the display. Figure 3–37 shows where the adjustment is located. Figure 3–37: Probe Adjustment For More Information See Probe Accessories, on page 3–71. See Probe Selection, on page 3–83. 3–82 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 160: Probe Selection
However, for special measurement situations you sometimes need different probes. This section introduces the five major types of probes: passive, active, current, optical, and time-to-voltage, and helps you select the right probe for the job. See your Tektronix Products Catalog for more information. Passive Voltage Probes Passive voltage probes measure voltage.
Page 161: Figure 3–38: Typical High Voltage Probes
Differential active Fixtured active Active voltage measuring probes use active circuit elements in the probe design to process signals from the circuit under test. All active probes require a source 3–84 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 162 (or probe card mounted) active probes (or buffered amplifiers) to precisely connect your oscilloscope to your device-under-test. These probes have the same electrical characteristics as high speed, active probes but use a smaller mechanical design. 3–85 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 163: Figure 3–39: A6303 Current Probe Used In The Am 503S Opt. 03
(LANs), fiber-based systems based on the FDDI and SONET standard, optical disk devices, and high-speed fiber optic communications systems. 3–86 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 164 The TVC adds three measurement functions to the voltage versus time capability of your oscilloscope: time delay versus time, pulse-width versus time, and period versus time. 3–87 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 165 Probe Selection 3–88 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 166: Remote Communication
Besides the base protocols, Tektronix has defined codes and formats for messages that travel over the GPIB. Each device that follows these codes and formats, such as the TDS 410A, TDS 420A, and TDS 460A, supports standard commands. Use of instruments that support these commands can greatly simplify development of GPIB systems.
Page 167: Figure 3–40: Typical Gpib Network Configuration
The connector has a D-type shell and conforms to IEEE Std 488.1-1987. You can stack GPIB connectors on top of each other (see Figure 3–41). Figure 3–41: Stacking GPIB Connectors 3–90 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 168: Figure 3–42: Connecting The Digitizing Oscilloscope To A Controller
If the port is configured any other way when the HARDCOPY button is pressed, an error occurs and the digitizing oscilloscope displays a message saying the selected hardcopy port is currently unavailable. Off Bus disconnects the digitizing oscilloscope from the bus. 3–91 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 169: Figure 3–43: Utility Menu
Figure 3–43: Utility Menu For More Information See Hardcopy, on page 3–35. See the TDS Family Programmer Manual. See the TDS Family Option 13 Instruction Manual (Option 13 equipped instruments only). 3–92 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 170 20 seconds per division at 30K record length there are 60 screens or 600 divisions or 12000 seconds of acquired data points. Untriggered roll with single sequence would capture data over a lunch hour and hold it for later viewing. 3–93 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 171: Figure 3–44: Roll Mode (500 Point Record Length)
Start at Trigger Point Complete Waveform Record Acquisitions Stop New Data New Data Old Data Old Data After Trigger After Trigger Trigger Point Figure 3–44: Roll Mode (500 Point Record Length) 3–94 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 172: Roll Mode
If you are not in Single Sequence, you must press RUN/STOP to stop roll mode. If you are in Single Sequence, roll mode acquisitions stop automatically when a complete record is acquired. 3–95 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 173: Figure 3–45: Trigger Mode Menu
3. If you are in a single sequence roll mode and want to leave single sequence mode, press SHIFT ACQ MENU Stop After (main) RUN/STOP (side). Roll Trigger Mode Indicators Figure 3–45: Trigger Mode Menu For More Information See Trigger Modes, on page 2–32. 3–96 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 174: Saving And Recalling Setups
Finally, press the side-menu Save To Selected File to complete the operation. NOTE. Setups are not transferable between different oscilloscope models or software versions. 3–97 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 175: Figure 3–46: Save/Recall Setup Menu
To reset your oscilloscope to the factory defaults: Press SETUP Recall Factory Setup (main) OK Confirm Factory Init (side). See Factory Initialization Settings on page E–1 for a list of the factory defaults. 3–98 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 176 To run file utilities, see the File System article on page 3–31. For More Information See Example 4: Saving Setups, on page 2–29. See Factory Initialization Settings, on page E–1. See File System, on page 3–31. 3–99 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 177 Saving and Recalling Setups 3–100 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 178: Saving And Recalling Waveforms
You can store waveforms in reference locations labeled empty without disturbing previously stored waveforms. 2. To store a waveform internally, press save/recall WAVEFORM Save Waveform (main) Ref1, Ref2, Ref3, or Ref4 (side). 3–101 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 179: Figure 3–47: Save Waveform Menu
To remove all stored waveforms and setups, use the feature called Tek Secure. It is described under Saving and Recalling Setups. See To Delete All Setups and Waveforms on page 3–99. 3–102 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 180: Figure 3–48: More Menu
Finally, press from the side-menu To Ref1, To Ref2, To Ref3, or To Ref4 choices to complete the operation. To Run the File Utilities To run file utilities, see File System on page 3–31. 3–103 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 181 The X and Y values are displayed in the units of seconds and Volts. All scaling to sample increments and offsetting has been done. Zero on the X scale is the trigger point, with negative values being pretrigger and positive values being posttrigger. 3–104 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 182: Figure 3–49: Save Format Menu
From the File Name menu, select the name of the waveform file. Now select OK. For information on the CSV data format, see To Select the Save Format on page 3–104. 3–105 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 183 Saving and Recalling Waveforms For More Information See Selecting Channels, on page 3–107. See File System, on page 3–31. 3–106 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 184: Selecting Channels
The channel reference indicator for the selected channel also appears in reverse video along the left side of the display. See Figure 3–50. Channel Reference Indicator Channel Readout Figure 3–50: The Channel Readout 3–107 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 185 Do the following steps to first display and then remove waveforms from the display: 1. Press CH 1, CH 2, CH 3, or CH 4 (CH 1 or CH 2 on the TDS 410A) to turn on as many of these channels as desired. The one you select last (or first if you only select one) becomes the selected channel.
Page 186: Figure 3–51: Waveform Selection Priority
8. REF1 9. REF2 10. REF3 11. REF4 Figure 3–51: Waveform Selection Priority For More Information See Saving and Recalling Waveforms, on page 3–101. See Waveform Math, on page 3–131. 3–109 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 187 Selecting Channels 3–110 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 188: Setting Up Automatically: Autoset And Reset
(CH 1) and scales it. Autoset Defaults Table 3–4 lists the autoset defaults. Table 3–4: Autoset Defaults Control Changed by Autoset to Acquire Mode Sample Acquire Repetitive Signal 3–111 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 189: Appendix E: Factory Initialization Settings
Do the following steps to reset your oscilloscope to its factory default settings: Press SETUP Recall Factory Setup (main) OK Confirm Factory Init (side). See Appendix E: Factory Initialization Settings on page E–1 for a list of the factory defaults. 3–112 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 190: Signal Path Compensation
4. Wait for signal path compensation to complete (one to three minutes). While it progresses, a “clock” icon (shown at left) is displayed on-screen. When compensation completes, the status message is updated to Pass or Fail in the main menu. 3–113 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 191: Figure 3–52: Performing A Signal Path Compensation
Signal Path Compensation 5. Verify the word Pass appears under Signal Path in the main menu. (See Figure 3–52.) Figure 3–52: Performing a Signal Path Compensation 3–114 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 192: Taking Cursor Measurements
X. The Xs measure vertical parameters (typically volts); the long vertical bars measure horizontal parameters (typically time or frequency). (See Cursor Readouts on page 3–116 for more information.) 3–115 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 193: Figure 3–54: Cursor Modes
@ shows the voltage of the selected cursor relative to ground (see Figure 3–55). With the video trigger option, you can also display the voltage in IRE units. 3–116 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 194: Figure 3–55: H Bars Cursor Menu And Readouts
1. To display the cursor menu, press CURSOR (see Figure 3–55). 2. Press CURSOR Function (main) H Bars, V Bars, Paired, or Off (side). 3–117 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 195: Figure 3–56: Paired Cursor Menu And Readouts
To adjust both cursors in tracking mode, use the general purpose knob to move both cursors. To adjust the distance between cursors in tracking mode, press SELECT to temporarily suspend cursor tracking. Then use the general purpose knob to 3–118 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 196: Figure 3–57: Video Line And Ire Units
NOTE. If Custom video mode is selected, you also need to set the Scan Period in the Custom Video menu Press CURSOR Horiz Units (main) Base or 1/Base or, or with Option 5, video line number (side). 3–119 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 197 If your oscilloscope is equipped with the advanced DSP math option, see the TDS Family Option 2F Instruction Manual for information on cursor units with integrated, differentiated, and FFT waveforms. 3–120 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 198: Vertical Control
Use the Vertical menu (see Figure 3–58) to select the coupling, bandwidth, and offset for the selected waveform. This menu also lets you numerically change the position or scale instead of using the vertical knobs. 3–121 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 199: Figure 3–58: Vertical Readouts And Channel Menu
1 M Bandwidth Bandwidth refers to the range of frequencies that an oscilloscope can acquire and display accurately (that is, with less than 3 dB attenuation). To select the upper 3–122 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 200 If you want to reset the offset to zero, press Set to 0 V (side). For More Information See Acquisition, on page 2–39. See Scaling and Positioning Waveforms, on page 2–43. 3–123 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 201 Vertical Control 3–124 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 202: Video Triggering
To bring up the Video Trigger menu: Press the TRIGGER MENU Type (main) Video (side) (see Figure 3–15). Figure 3–59: Main Trigger Menu — Video Type 3–125 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 203: Figure 3–60: Video Trigger Menu — Class
On the TDS 420A and TDS 460A, press the TRIGGER MENU Source (main) Ch1, Ch2, Ch3, or Ch4 (side). On the TDS 410A, press the TRIGGER MENU Source (main) Ch1 or Ch2 (side) 3–126 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 204: Figure 3–61: Video Trigger Menu — Tv Delay Mode
SHIFT button before turning the knob. When the light next to the SHIFT button is on and the display says Coarse Knobs in the upper right corner, the general purpose knob speeds up significantly. Figure 3–61: Video Trigger Menu — TV Delay Mode 3–127 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 205: Figure 3–62: Video Trigger — Scan Parameter
If you choose All, the digitizing oscilloscope alternates between triggering on the start of the odd and even fields. Figure 3–62: Video Trigger — Scan Parameter 3–128 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 206: Figure 3–63: Video Trigger — Scan Rate & Interlace
In Auto mode the oscilloscope acquires a waveform even if a trigger does not occur. In Normal mode the oscilloscope acquires a waveform only if there is a valid trigger. 3–129 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 207: Figure 3–64: Video Trigger Menu — Mode & Holdoff
These holdoff values depend on whether you select NTSC, PAL, or SECAM and if you trigger on interlaced field one or two. For More Information See Triggering, on page 2–31. See Role Mode, on page 3–93. 3–130 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 208: Waveform Math
Figure 3–65: More Menu 3–131 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 209 5. Press OK Create Math Wfm (side) to perform the function. NOTE. If you select *, for multiply, in step 4, the cursor feature measures amplitude in the units volts squared VV rather than in volts V 3–132 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 210: Figure 3–66: Dual Waveform Math Menus
If your oscilloscope is equipped with option 2F, you can also create integrated, differentiated, and Fast Fourier Transform waveforms. If your oscilloscope is equipped with that option, see the TDS Family Option 2F Instruction Manual. 3–133 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 211 Waveform Math 3–134 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 212: Zoom
If that happens, change the interpolation method to linear, following the instructions on page 3–23. To differentiate between the real and interpolated samples, set the display style to Intensified Samples. 3–135 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 213 1. Press any of the waveform selection buttons (CH 1 through CH 4 on the TDS 420A and TDS 460A, and CH 1 through CH 2 on the TDS 410A) on the right side of the display. Or press MORE and select a math or reference waveform from the More menu.
Page 214: Figure 3–67: Zoom Mode With Horizontal Lock Set To None
Dual zoom offset is always positive. The oscilloscope sets the offset as close to the requested value as possible. An offset request of 0.0 insures that the zoom boxes are butted against each other, regardless of the zoom factor. 3–137 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 215: Figure 3–68: Zoom Preview Mode
To reset all zoom factors to their defaults (see Table 3–5), press ZOOM Reset (main) Reset All Factors (side). To reset only “live” waveform zoom factors to their defaults, press ZOOM Reset (main) Reset Live Factors (side). 3–138 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 216: Table 3–5: Zoom Defaults
Dual Zoom Offset Press ZOOM Mode (main) Off (side) to return to normal oscilloscope (non-zoom) operation. For More Information See Acquisition, on page 2–39. See Display Modes, on page 3–21. 3–139 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 217 Zoom 3–140 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 219: Appendix A: Options And Accessories
Appendix A: Options and Accessories This appendix describes the various options as well as the standard and optional accessories that are available for the TDS 410A, TDS 420A, and TDS 460A Digitizing Oscilloscopes. Options The following options are available: Option 02: Front Cover With this option, Tektronix ships a front cover and pouch with the instrument.
Page 220: Table A–1: International Power Cords
Appendix A: Options and Accessories Options A1–A5: Besides the standard North American, 110 V, 60 Hz power cord, Tektronix ships International Power Cords any of five alternate power cord configurations (listed in Table A–1) with the oscilloscope when ordered by the customer.
Page 221 Appendix A: Options and Accessories Option 96: Certificate of Tektronix ships a Certificate of Calibration which states this instrument meets or Calibration exceeds all warranted specifications and was calibrated using standards and instruments whose accuracies are traceable to the National Institute of Standards and Technology, an accepted value of a natural physical constant, or a ratio calibration technique.
Page 222: Table A–2: Standard Accessories
Marker Rings Set (qty. eighteen rings which includes two each 016-0633-00 of nine colors) Ground Collar 343-1003-01 6-Inch Alligator Clip Ground Lead 196-3305-00 Screwdriver: adjustment tool, metal tip 003-1433-00 SMT KlipChip 206-0364-00 Accessory Pouch 016-0708-00 A–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 223: Table A–4: Optional Accessories
You can also order the optional accessories listed in Table A–4: Table A–4: Optional Accessories Accessory Part Number High Voltage Differential Probe P5200 TDS 410A, TDS 420A, & TDS 460A Service Manual 070-9217-XX Plotter (GPIB and Centronics Standard) HC100 Plotter (Centronics Standard) HC200...
Page 224: Table A–5: Probe Accessories
Compact-to-Miniature Probe Tip Adapter 013-0202-02 Probe Tip Holder: (holds three tips) 352-0670-00 3 Inch Slip-On Ground Lead 196-3113-03 Probe Holder: Black ABS 352-0351-00 IC Protector Tip, Package of 10 015-0201-07 A–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 225 NOTE. The next four items can only be used with the Compact-to-Miniature Probe Tip Adapter. Dual-Lead Adapter 015-0325-00 BNC-to-Probe Tip Adapter 013-0084-01 G.R.-to-Probe Tip Adapter, 50 017-0088-00 Bayonet Ground Assembly 013-0085-00 A–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 226: Table A–6: Accessory Software
Service Assurance Tektronix offers the following services that you can purchase any time during the warranty period of this product: REP (Repair) Service Assurance provides one year of post-warranty repair support.
Page 227: Appendix B: Specification
Hardcopy output using GPIB and, with Option 13, RS-232 or Centronics ports Math Including: invert, add, subtract, multiply, and with Option 2F, integral, differential, and FFT User interface A graphical user interface, on-line help. and a logical front-panel layout B–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 228 Appendix B: Specification B–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 229: Table B–2: Nominal Traits — Signal Acquisition System
Table B–2: Nominal Traits — Signal Acquisition System Name Description Bandwidth Selections 20 MHz, 100 MHz, and FULL (TDS 410A and TDS 420A: 200 MHz, TDS 460A: 400 MHz) Digitizers, Number of TDS 410A: Two, both identical TDS 420A and TDS 460A: Four, all identical...
Page 230 1% of the more sensitive setting. For example, between 50 mV/div and 100 mV/div, the volts/division can be set with 0.5 mV resolution. Rise time is defined by the following formula: Rise Time (ns) BW (MHz) B–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 231: Table B–3: Nominal Traits — Time Base System
Description Range, Events Delay 1 to 9,999,999 Ranges, Trigger Level or Threshold Ranges, Trigger Level or Threshold Source Range Any Channel 12 divisions from center of screen Line 400 Volts B–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 232: Table B–5: Nominal Traits — Display System
(UL 198.6, 3AG): 5 A FAST, 250 V, or a 5 mm 20 mm, (IEC 127): 4 A (T), 250 V VGA compatible at 30.6 kHz sync rate. Each fuse type requires its own fuse cap. B–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 233: Table B–8: Nominal Traits — Mechanical
4.5 kg (10 lbs), for Printer Pack when packaged for domestic shipping; includes a pouch, a printer as received from the vendor, a Tektronix manual, cables, and five rolls of paper B–7...
Page 234 472 mm (18.6 in), without front-panel handles; 517 mm (20.35 in), with front-panel handles installed Option 3P Height 241 mm (9.5 in) Width 381 mm (15.0 in) Depth 569 mm (22.4 in) B–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 235: Figure B–1: Tds 400A Dimensional Drawing
471 mm 327.2 mm (18.55 in.) (12.88 in.) 165 mm (6.5 in.) 308.1 mm (12.13 in.) 569 mm (22.4 in.) 381 mm (15 in.) Figure B–1: TDS 400A Dimensional Drawing B–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 236 Appendix B: Nominal Traits B–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 237: Table B–9: Warranted Characteristics — Signal Acquisition System
Accessory Probe and 5 mV/div–10 V/div DC–200 MHz DC–350 MHz Bandwidth Selection is Full Bandwidth Selection is Full 2 mV/div–4.98 mV/div DC–150 MHz DC–250 MHz 1 mV/div–1.99 mV/div DC–100 MHz DC–100 MHz B–11 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 238 5 V (DC + peak AC) is reached Input Voltage, Maximum, , with peaks less than or equal to 30 V DC-50 or AC-50 Coupled B–12 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 239: Table B–10: Warranted Characteristics — Time Base System
The WI (waveform interval) is the time between the samples in the waveform record. Also, see the footnotes for Sample Rate Range and Equivalent Time or Interpolated Waveform Rates in Table B–3 on page B–5. B–13 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 240: Table B–11: Warranted Characteristics — Triggering System
20 ns Sensitivity, Edge-Type Trigger, DC 0.35 division from DC to 50 MHz, increasing to 1 division at 350 MHz (TDS 410A and Coupled TDS 420A) or 500 MHz (TDS 460A) for any channel as trigger source Sensitivity, Video-Type, TV Field and TV 0.6 division of video sync signal...
Page 241: Table B–14: Warranted Characteristics — Environmental, Safety And Reliability
European Community Requirements EN55022 Radiated Emissions Class B EN55022 Conducted Emissions Class B With Option 3P: VDE 0871, Category B, Vfg. 1046/1984 FCC Rules and Regulations, Part 15, Subpart B, Class A B–15 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 242 (braid and foil) GPIB cable. The cable shield must have low impedance connections to both connector housings. Acceptable cables are Tektronix part numbers 012-0991-00, -01, and -02. To maintain emission requirements when connecting to the VGA-compatible video output of this oscilloscope, use only a high-quality double-shielded (braid and foil) video cable with ferrite cores at both ends.
Page 243: Table B–15: Typical Characteristics — Signal Acquisition System
Coupled with Bandwidth Bandwidth Standard-Accessory Probe Attached Standard-Accessory Probe Attached 5 mV/div–10 V/div DC–200 MHz DC–400 MHz 2 mV/div–4.98 mV/div DC–150 MHz DC–250 MHz 1 mV/div–1.99 mV/div DC–100 MHz DC–100 MHz B–17 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 244: Table B–16: Typical Characteristics — Time Base System
The WI (waveform interval) is the time between the samples in the waveform record. Also, see the footnotes for Sample Rate Range and Equivalent Time or Interpolated Waveform Rates in Table B–3 on page B–5. You set the maximum external clock rate using the Horizontal Clock menu. B–18 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 245: Table B–17: Typical Characteristics — Triggering System
PAL and SECAM Triggerable on Field Selections: Odd, Even, or Both Delayed Acquisition: Settable for delay by line number or runs after time delay Frequency, Maximum for Events Delay 90 MHz B–19 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 246: Table B–18: Typical Characteristics — Data Handling
The time that reference waveforms, stored setups, and calibration constants are retained when there is no power to the oscilloscope. Data is maintained by lithium poly-carbon monofluoride. B–20 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 247: Appendix C: Algorithms
Appendix C: Algorithms Tektronix TDS 400A Digitizing Oscilloscopes can take 25 automatic measure- ments. By knowing how the oscilloscope makes these calculations, you may better understand how to use your oscilloscope and how to interpret your results. Measurement Variables The digitizing oscilloscope uses a variety of variables in its calculations.
Page 248 Typically set to 50%. You can set it from 0% to 100% or to a voltage level. Other Variables The oscilloscope also measures several values itself that it uses to help calculate measurements. C–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 249 (or the gated region of the same polarity as MCross1 . This is MCross3 . MCross1Polarity — is the polarity of first crossing (no default). It can be rising or falling. C–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 250: Figure C–1: Mcross Calculations
(trigger) location in the measurement record is at ( TPOS + TSOFF ). Measurement Algorithms The automated measurements are defined and calculated as follows. Amplitude = High – Low Amplitude C–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 251 Mean measurement. then return the (interpolated) value at StartCycle EndCycle, StartCycle EndCycle Waveform StartCycle CycleMean EndCycle StartCycle SampleInterval For details of the integration algorithm, see page C–12. C–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 252 , continue the search, looking for a crossing of . Update LowRef if subsequent crossings are found. When a crossing is HighRef LowRef found, it becomes . (Use linear interpolation if necessary.) – FallTime C–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 253: Figure C–2: Fall Time
Amplitude (voltage) measurement. The maximum voltage. Typically the most positive peak voltage. Waveform[ ] Start Examine all samples from inclusive, and set Waveform[ ] equal to the greatest magnitude value found. C–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 254 = 0 or undefined, then return an error. Period NegativeWidth NegativeDutyCycle Period Negative Overshoot Amplitude (voltage) measurement. NegativeOvershoot Amplitude Note that this value should never be negative (unless High or Low are set out-of-range). C–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 255 MCross1Target in the same direction (polarity) as that found for the target waveform is found. 4. The phase is determined by the following: MCross1Ref MCross1Target Phase Period C–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 256 2. From this sample, continue the search to find the first (positive) crossing of LowRef . The time of this crossing is the low rise time or . (Use linear interpolation if necessary.) C–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 257: Figure C–3: Rise Time
Amplitude (voltage) measurement. The true Root Mean Square voltage. then = the (interpolated) value at Start End, Waveform[Start] Otherwise, Waveform Start Start SampleInterval For details of the integration algorithm, see below. C–11 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 258 (but not both), determined in the following manner: Start 1. Step through the waveform from until the sample min and max MidRef pair DO NOT straddle C–12 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 259 When samples are out of range, the measurement gives a warning to that effect (for example, “CLIPPING”) if the measurement could change by extending the measurement range slightly. The algorithms assume the samples recover from an overdrive condition instantaneously. C–13 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 260: Figure C–4: Choosing Minima Or Maxima To Use For Envelope Measurements
NOT available. However, if you question the validity of any measurement in the snapshot display, you can select and display the measurement individually and then check for a warning message. C–14 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 261: Appendix D: Packaging For Shipment
The shipping carton must be constructed of cardboard with 170 kg (375 pound) test strength. 2. If you are shipping the digitizing oscilloscope to a Tektronix field office for repair, attach a tag to the digitizing oscilloscope showing the oscilloscope owner and address, the name of the person to contact about the oscilloscope, the oscilloscope type, and the serial number.
Page 262 Appendix D: Packaging for Shipment D–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 263 Delayed edge trigger source Channel 1 Delay trigger average # Delay trigger envelope # Delay time, delayed runs after main 10 ns Delay time, delayed triggerable after main 60 ns E–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 264 Horizontal – main trigger position Horizontal – main trigger record length 500 points (10 divs) Horizontal – main time/division Horizontal – time base Main only Limit Testing Limit Testing – hardcopy if condition met E–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 265 Video — custom scan period 66.667 Video — custom rate Rate 1 Zoom horizontal (all channels) 2.0X Zoom horizontal lock Zoom horizontal position (all channels) 50% = 0.5 (the middle of the display) E–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 266 Appendix E: Factory Initialization Settings Table E–1: Factory Initialization Defaults (Cont.) Control Changed by Factory Init to Zoom state Zoom vertical (all channels) 2.0X Zoom vertical position (all channels) 0 divs E–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 267: Appendix F: Remote Display
Table A–4 on page A–5 gives the part number of a properly shielded cable that is commercially available. NOTE. Both the red and blue signal lines are grounded. This configuration results in a green display on a color monitor. F–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 268 Appendix F: Remote Display F–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 270 That is, the ratio of the input measure to the output measure. For example, a 10X probe will attenuate, or reduce, the input voltage of a signal by a factor of 10. Glossary–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 271 A measurement of waveform area taken over one cycle. Expressed in volt-seconds. Area above ground is positive; area below ground is negative. Cycle mean An amplitude (voltage) measurement of the arithmetic mean over one cycle. Glossary–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 272 HighRef value (typically 90%) to a LowRef value (typically 10%) of its amplitude. Frequency A timing measurement that is the reciprocal of the period. Measured in Hertz (Hz) where 1 Hz = 1 cycle per second. Glossary–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 273 The two horizontal bars that you position to measure the voltage parameters of a waveform. The oscilloscope displays the value of the active (moveable) cursor with respect to ground and the voltage value between the bars. Glossary–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 274 Mean Amplitude (voltage) measurement of the arithmetic mean over the entire waveform. Minimum Amplitude (voltage) measurement of the minimum amplitude. Typically the most negative peak voltage. Glossary–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 275 480 pixels high. Pop-up menu A sub-menu of a main menu. Pop-up menus temporarily occupy part of the waveform display area and are used to present additional choices associated Glossary–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 276 Rise time The time it takes for a leading edge of a pulse to rise from a LowRef value (typically 10%) to a HighRef value (typically 90%) of its amplitude. Glossary–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 277 The direction at a point on a waveform. You can calculate the direction by computing the sign of the ratio of change in the vertical quantity (Y) to the change in the horizontal quantity. The two values are rising and falling. Glossary–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 278 YT format The conventional oscilloscope display format. It shows the voltage of a waveform record (on the vertical axis) as it varies over time (on the horizontal axis). Glossary–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 279 Glossary Glossary–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 281 Template Source, 3–54 CLEAR MENU, 2–3, 2–8, 2–16, 2–25, 3–67 V Limit, 3–54 CURSOR, 2–48, 3–117 ACQUIRE MENU button, 3–9, 3–53 DELAYED TRIG, 2–35, 3–16 Acquisition, 2–39–2–42, 3–111, Glossary–1 DISPLAY, 3–21 Index–1 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 282 Compact-to-miniature probe tip adapter, 3–78, A–6 How to use, 3–117 Compare Ch1 to, Acquire menu, 3–55 Custom, Video Trigger menu, 3–126 Compare Ch2 to, Acquire menu, 3–55 Cycle area, 3–59, Glossary–2 Compensation, 3–81 Index–2 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 283 Edge, Main Trigger menu, 2–38, 3–27 Disk, How to save a hardcopy to, 3–40 Edges, Measure Delay menu, 3–67 Disk drive, 3–31–3–34 empty, Saved waveform status, 3–101 Display, 2–6, 3–111 Index–3 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 284 EPS Mono Plt, 3–36 Frequency, 2–25, 3–60, Glossary–3 Epson, 3–36 Front Cover, A–1 Format, 3–36 Front panel, 2–4 GPIB, 3–37 Full, Display menu, 3–24 HPGL, 3–36 Full, Vertical menu, 3–123 Index–4 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 285 Vertical SCALE, 2–17, 2–44, 3–121 Fit to screen, 3–47 Horiz Pos, 3–48 Horiz Scale, 3–48 Intensified, 3–14, 3–16 Labelling menu, Enter Char, 3–32, 3–34 Internal Clock, 3–49 Landscape, Hardcopy menu, 3–37 Main Scale, 3–48 Index–5 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 286 Source, 3–28, 3–50 Negative overshoot, 3–60 Type, 2–38, 3–27, 3–125, 3–126 Negative width, 3–60 Video, 3–125, 3–126 Overshoot, Glossary–7 Marker rings, 3–74, A–7 Peak to peak, 3–60, Glossary–6 Math Waveform Index–6 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 287 Mode & Holdoff, Main Trigger menu, 3–29 Options, A–1–A–8 Mode & Holdoff, Video Trigger menu, 3–129 Oscilloscope, Glossary–6 Mode, Acquire menu, 3–9 Overall, Display menu, 3–22 Model number location, 2–3 Overshoot, Glossary–7 Index–7 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 288 DPU-412, A–1 Cursors, 2–6 Probe accessories Edge trigger, 3–27 Compact-to-miniature probe tip adapter, 3–78, A–6 General purpose knob, 2–6 Dual-lead adapter, 3–79 Measurement, 2–47, 3–61, 3–63 IC protector tip, 3–78 Index–8 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 289 Set to 50%, Main Trigger menu, 2–35, 3–29 RS-232, Port (optional), 3–89 Set to 90%, Horizontal menu, 3–48 RS-232, Port (optional), 3–37, 3–43 Set to ECL, Delayed Trigger menu, 3–17 RUN/STOP, Acquire menu, 3–11 Index–9 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 290 Type, Main Trigger menu, 2–38, 3–27, 3–125, 3–126 Switch, principal power, 1–4, 2–5 Typical Characteristics Sync Polarity, Video Trigger menu, 3–127 Defined, B–17 System, Status menu, 3–19 Listed, B–17 System, Utility menu, 3–36, 3–91 Index–10 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 291 Waveform memory, 3–102 VGA display, F–1 WAVEFORM OFF button, 2–23, 3–25, 3–108 Video Class, Video Trigger menu, 3–126 Waveform Rate, B–5 Video Line Number, Cursor menu, 3–119 Waveform, Display menu, 3–22 Index–11 TDS 410A, TDS 420A & TDS 460A User Manual...
Page 292 Dual Zoom Offset, 3–137 Horizontal Lock, 3–136 Preview, 3–138 YT, Format, 3–24 Reset Zoom Factors, 3–138 YT format, Glossary–9 Zoom Off, 3–139 YT, Display menu, 3–24 Zoom Off, Zoom menu, 3–139 Index–12 TDS 410A, TDS 420A & TDS 460A User Manual...

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