Tektronix DPO2024 User Manual
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Tektronix DPO2024 User Manual

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DPO2000 and MSO2000 Series
Oscilloscopes
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User Manual
*P071231902*
071-2319-02

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Summary of Contents for Tektronix DPO2024

  • Page 1 DPO2000 and MSO2000 Series Oscilloscopes User Manual *P071231902* 071-2319-02...
  • Page 3 DPO2000 and MSO2000 Series Oscilloscopes User Manual www.tektronix.com 071-2319-02...
  • Page 4 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.
  • Page 5 Warranty Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three (3) years from the date of original purchase from an authorized Tektronix distributor. If the product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
  • Page 6 Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
  • Page 7 Warranty Tektronix warrants that the product will be free from defects in materials and workmanship for a period of one (1) year from the date of original purchase from an authorized Tektronix distributor. If the product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.

  • Page 9: Table Of Contents

    Table of Contents Table of Contents General Safety Summary ......................Compliance Information ..
  • Page 10 Table of Contents Trigger Setup ......................... Triggering Concepts.

  • Page 11: General Safety Summary

    General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or Personal Injury Use Proper Power Cord.
  • Page 12 General Safety Summary CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Symbols and Terms on the Product These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking.

  • Page 13: Compliance Information

    EN 61000-3-2:2006. AC power line harmonic emissions EN 61000-3-3:1995. Voltage changes, fluctuations, and flicker European Contact. Tektronix UK, Ltd. Western Peninsula Western Road Bracknell, RG12 1RF United Kingdom This product is intended for use in nonresidential areas only. Use in residential areas may cause electromagnetic interference.
  • Page 14 Compliance Information CISPR 11:2003. Radiated and Conducted Emissions, Group 1, Class A, in accordance with EN 61326-1:2006 and EN 61326-2-1:2006. DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 15: Safety Compliance

    Compliance Information Safety Compliance EC Declaration of Conformity – Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities: Low Voltage Directive 2006/95/EC. EN 61010-1: 2001. Safety requirements for electrical equipment for measurement control and laboratory use. U.S.
  • Page 16 Compliance Information Pollution Degree Pollution Degree 2 (as defined in IEC 61010-1). Note: Rated for indoor use only. Installation (Overvoltage) Category Descriptions Terminals on this product may have different installation (overvoltage) category designations. The installation categories are: Measurement Category IV. For measurements performed at the source of low-voltage installation. Measurement Category III.

  • Page 17: Environmental Considerations

    This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002/96/EC and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Support/Service section of the Tektronix Web site (www.tektronix.com).

  • Page 18: Preface

    USB 2.0 Device port for direct PC control of the oscilloscope using USBTMC protocol OpenChoice documentation software for simple transfer of screen shots and waveform data to a PC National Instrument’s LabVIEW SignalExpress™ Tektronix Edition productivity and analysis software Remote viewing and control with e*Scope...

  • Page 19: Conventions Used In This Manual

    Preface Conventions Used in This Manual The following icons are used throughout this manual. Front panel power Network Sequence Step Connect power DPO2000 and MSO2000 Series Oscilloscopes User Manual...
  • Page 20 Preface DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 21: Installation

    Before Installation Unpack the oscilloscope and check that you received all items listed as standard accessories. The following pages list recommended accessories and probes, instrument options, and upgrades. Check the Tektronix Web site (www.tektronix.com) for the most current information. Standard Accessories...
  • Page 22 Installation Standard Accessories (cont.) Tektronix part Accessory Description number For DPO2000 and MSO2000 series: Probes One, 200 MHz, 1X/10X passive probe per P2221 channel For MSO2000 series: Digital probe One, 16-channel digital probe P6316 For MSO2000 series: Accessories pouch Pouch that attaches to the handle for carrying 016-2008-00 probes and other accessories.
  • Page 23 Installation Optional Accessories Tektronix part Accessory Description number The embedded serial triggering and analysis DPO2EMBD DPO2EMBD module enables triggering on packet level information on I C and SPI serial buses, as well as bus views, bus decoding, search tools, and packet decode tables with timestamp...
  • Page 24 Oscilloscopes Application Module Installation DPO2000 and MSO2000 series oscilloscopes The DPO2000 and MSO2000 series oscilloscopes work with multiple optional probes. (See page 8, Connecting Probes.) Check the Tektronix Web site (www.tektronix.com) for the most current information. Related Documentation Accessory Description...

  • Page 25: Operating Considerations

    Installation Operating Considerations DPO2000 and MSO2000 Series Oscilloscopes Power Supply Input Voltage: 100 V to 240 V ± 10% Power Supply Input Power Frequency: 50/60 Hz at 100 V to 240 V 400 Hz at 115 V Power Consumption: 80 W maximum Weight: 3.6 kg (7 lbs 14 oz), stand-alone oscilloscope Height, including the feet but not the handle: 175 mm (6.885 inch)
  • Page 26 Installation Random Vibration: Operating: 0.31 G , 5 - 500 Hz, 10 minutes per axis, 3 axes (30 minutes total) Non-operating: 2.46 G , 5 - 500 Hz, 10 minutes per axis, 3 axes (30 minutes total) Pollution Degree: 2, Indoor use only CAUTION.
  • Page 27 Installation Humidity: 5% to 95% relative humidity Cleaning Inspect the oscilloscope and probes as often as operating conditions require. To clean the exterior surface, perform the following steps: 1. Remove loose dust on the outside of the oscilloscope and probes with a lint-free cloth. Use care to avoid scratching the clear glass display filter.

  • Page 28: Connecting Probes

    Installation Connecting Probes The oscilloscope supports probes with the following: 1. Tektronix Versatile Probe Interface (TekVPI) These probes support two-way communication with the oscilloscope through on-screen menus and remotely through programmable support. The remote control is useful in applications like an ATE (automated test environment) where you want the system to preset probe parameters.

  • Page 29: Securing The Oscilloscope

    The P6316 probe provides 16 channels of digital (on or off state) information. For more information on the many probes available for use with DPO2000 and MSO2000 series oscilloscopes, refer to www.tektronix.com. Securing the Oscilloscope 1. Use a standard laptop computer style security lock to secure your oscilloscope to your location.

  • Page 30: Powering On The Oscilloscope

    Installation Powering On the Oscilloscope Ground the Oscilloscope and Yourself Before pushing the power switch, connect the oscilloscope to an electrically neutral reference point, such as earth ground. Do this by plugging the three-pronged power cord into an outlet grounded to earth ground. Grounding the oscilloscope is necessary for safety and to take accurate measurements.

  • Page 31: Powering Off The Oscilloscope

    Installation Powering Off the Oscilloscope To power off the oscilloscope and remove the power cord: Functional Check Perform this quick functional check to verify that your oscilloscope is operating correctly. 1. Connect the oscilloscope power cable as described in Powering On the Oscilloscope.

  • Page 32: Compensating A Passive Voltage Probe

    Installation 3. Connect the P2221 probe tip and reference lead to the PROBE COMP connectors on the oscilloscope. 4. Push Default Setup. 5. Push Autoset. The screen should now display a square wave, approximately 5 V at 1 kHz. NOTE. For best performance, it is recommended that you set the Vertical scale to 1 V.
  • Page 33 Installation 3. If necessary, adjust your probe. Repeat as needed. Quick Tips Use the shortest possible ground lead and signal path to minimize probe-induced ringing and distortion on the measured signal. Signal with a short ground lead Signal with a long ground lead DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 34: Application Module Free Trial

    Installation Application Module Free Trial A 30-day free trial is available for all application modules not installed in your oscilloscope. The trial period begins when you power on the oscilloscope for the first time. After 30 days, you must purchase the module if you want to continue using the application. To see the date when your free trial period expires, push the front panel Utility button, push the lower-bezel Utility Page button, use multipurpose knob a to select Config, and push the lower-bezel About button.

  • Page 35: Changing The Date And Time

    Installation 3. Turn multipurpose knob a and select Config. Utility Language Set Date & TekSecure About Page Time English Erase Config Memory 4. Push Language from the resulting lower-bezel menu. 5. Turn multipurpose knob a and select the desired language. Choose among: English, French, German, Italian, Spanish, Brazilian Portuguese, Russian, Japanese, Korean, Simplified Chinese, and Traditional Chinese.
  • Page 36 Installation 2. Push Utility Page. Utility Page 3. Turn multipurpose knob a and select Config. System Language Set Date & TekSecure About Time Erase Config English Memory 4. Push Set Date & Time. 5. Push the side-bezel buttons and use Set Date &...

  • Page 37: Signal Path Compensation

    Installation Signal Path Compensation Signal Path Compensation (SPC) corrects for DC inaccuracies caused by temperature variations and/or long-term drift. You should run the SPC whenever the ambient temperature has changed by more than 10 °C or once a week if you use vertical settings of 5 mV per division or less.

  • Page 38: Upgrading Firmware

    Service personnel use the factory calibration functions to calibrate the internal voltage references of the oscilloscope using external sources. Refer to your Tektronix field office or representative for assistance with factory calibration. NOTE. Signal Path Compensation does not include calibration to the probe tip. (See page 12, Compensating a Passive Voltage Probe.)
  • Page 39 Installation 2. Power off your oscilloscope. 3. Insert the USB flash drive into the front-panel USB port on your oscilloscope. 4. Power on the oscilloscope. The oscilloscope automatically recognizes and installs the replacement firmware. If the oscilloscope does not install the firmware, rerun the procedure.
  • Page 40 Installation 5. Power off the oscilloscope and remove the USB flash drive. 6. Power on the oscilloscope. 7. Push Utility. 8. Push Utility Page. Utility Page DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 41: Connecting Your Oscilloscope To A Computer

    To set up VISA communications between your oscilloscope and a computer: 1. Load the VISA drivers on your computer. You will find the drivers on the appropriate CD that comes with your oscilloscope or at the Tektronix software finder Web page (www.tektronix.com). DPO2000 and MSO2000 Series Oscilloscopes User Manual...
  • Page 42 Installation 2. Connect the oscilloscope to your computer with the appropriate USB or Ethernet cable. NOTE. You need a DPO2CONN module to make the Ethernet connection. To communicate between the oscilloscope and a GPIB system, connect the oscilloscope to the TEK-USB-488 GPIB-to-USB Adapter with a USB cable.
  • Page 43 Installation 7. To use Ethernet, push Ethernet Network Settings. 8. On the side-bezel menu, if you are on a Change Instrument DHCP Ethernet network and using a through Settings cable, set DHCP to On. If you are using a cross-over cable, set it to Off and set a hard coded TCPIP address.
  • Page 44 Installation To set up e*Scope communications between your oscilloscope and a Web browser running on a remote computer: 1. Connect the oscilloscope to your computer network with the appropriate Ethernet cable. NOTE. You need a DPO2CONN module to make the Ethernet connection. If you are connecting directly to your computer, you need a Crossover Ethernet Cable.

  • Page 45: Connecting A Usb Keyboard To Your Oscilloscope

    Installation 8. Start your browser on your remote computer. In the browser address line, enter the IP address or, if DHCP is set to On in the oscilloscope, simply enter the instrument name. You should now see the e*Scope screen showing the oscilloscope display on your Web browser. If e*Scope does not work, rerun the procedure.
  • Page 46 Installation DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 47: Getting Acquainted With The Oscilloscope

    Getting Acquainted with the Oscilloscope Getting Acquainted with the Oscilloscope Front-Panel Menus and Controls The front panel has buttons and controls for the functions that you use most often. Use the menu buttons to access more specialized functions. Using the Menu System To use the menu system: 1.
  • Page 48 Getting Acquainted with the Oscilloscope 3. Push a side-bezel button to choose a side-bezel menu item. If the menu item contains more than one choice, push the side-bezel button repeatedly to cycle through the choices. If a pop-out menu appears, turn multipurpose knob a to select the desired choice.
  • Page 49 Getting Acquainted with the Oscilloscope 5. Certain menu choices require you to set a numeric value to complete the setup. Use the upper and lower multipurpose knobs a and b to adjust values. 6. Push Fine to turn off or on the ability to make smaller adjustments.
  • Page 50 Getting Acquainted with the Oscilloscope 9. Channel 1, 2, 3, or 4 Menu. Push to set vertical parameters for input waveforms and to display or remove the corresponding waveform from the display. DPO2000 and MSO2000 Series Oscilloscopes User Manual...
  • Page 51 Getting Acquainted with the Oscilloscope 10. B1 or B2. Push to define and display a serial bus if you have the appropriate module application keys. The DPO2AUTO module supports CAN and LIN buses. The DPO2EMBD module supports I C and SPI. The DPO2COMP module supports RS-232, RS-422, RS-485, and UART buses.
  • Page 52 Getting Acquainted with the Oscilloscope 3. Select. Push to activate special functions. For example, when using the two vertical cursors (and no horizontal ones are visible), you can push this button to link or unlink the cursors. When the two vertical and two horizontal cursors are both visible, you can push this button to make either the vertical cursors or the...
  • Page 53 Getting Acquainted with the Oscilloscope 12. ← Prev. Push to jump to the previous waveform mark. 13. Set/Clear Mark. Push to establish or delete a waveform mark. 14. → Next. Push to jump to the next waveform mark. 15. Horizontal Position. Turn to adjust the trigger point location relative to the acquired waveforms.
  • Page 54 Getting Acquainted with the Oscilloscope 24. Vertical Scale. Turn to adjust the vertical scale factor of the corresponding waveform (volts/division). 25. Print. Push to print to a PictBridge printer. 26. Power switch. Push to power on or off the oscilloscope. 27.
  • Page 55 Getting Acquainted with the Oscilloscope 32. Waveform Only. Push to remove menu and readout information from the screen so the oscilloscope only displays the waveform or bus. Push a second time to recall the previous menu and readout information. Identifying Items in the Display The items shown to the right may appear in the display.
  • Page 56 Getting Acquainted with the Oscilloscope 2. The trigger status readout shows trigger status. Status conditions are: Trig’d: Triggered Auto: Acquiring untriggered data PrTrig: Acquiring pretrigger data Trig?: Waiting for trigger 3. The trigger position icon shows where the trigger occurred in the acquisition. 4.
  • Page 57 Getting Acquainted with the Oscilloscope 8. The trigger level icon shows the trigger level on the waveform. The icon color corresponds to the trigger source color. 9. The trigger readout shows the trigger source, slope, level, and frequency for an Edge trigger. The trigger readouts for other trigger types show other parameters.
  • Page 58 Getting Acquainted with the Oscilloscope 13. The channel readout shows the channel scale factor (per division), coupling, invert, and bandwidth status. Adjust with the Vertical Scale knob and the channel 1, 2, 3, or 4 menus. 14. For digital channels (MSO2000 series only), the baseline indicators label the channel, and point to the high and low levels.

  • Page 59: Front-Panel Connectors

    6. Application Module Slots. Side-Panel Connector 1. TekVPI external power supply connector. Use the connector for the TekVPI external power supply (Tektronix part number 119‑7465‑XX) when additional power is needed for TekVPI probes. DPO2000 and MSO2000 Series Oscilloscopes User Manual...

  • Page 60: Rear-Panel Connectors

    Getting Acquainted with the Oscilloscope Rear-Panel Connectors 1. LAN. Use the LAN (Ethernet) port (RJ-45 connector) to connect the oscilloscope to a 10/100 Base-T local area network. The port is available on the optional connectivity module (DPO2CONN). 2. Lock. Use to secure the oscilloscope and optional connectivitiy module.

  • Page 61: Acquire The Signal

    Acquire the Signal Acquire the Signal This section describes concepts of and procedures for setting up the oscilloscope to acquire the signal as you want it to. Setting Up Analog Channels Use front-panel buttons and knobs to set up your oscilloscope to acquire signals using the analog channels. 1.
  • Page 62 Acquire the Signal 5. Push the desired channel button. Then adjust the vertical position and scale. 6. Adjust the horizontal position and scale. The horizontal position determines the number of pretrigger and posttrigger samples. The horizontal scale determines the size of the acquisition window relative to the waveform.
  • Page 63 Acquire the Signal 2. Push a lower-bezel button to create a label, Label such as for channel 1 or B1. 3. Turn multipurpose knob b to scroll through the list to find a suitable label. You can edit the label after you insert it if necessary. 4.

  • Page 64: Using The Default Setup

    Acquire the Signal 7. Push Select or Enter Character to let the oscilloscope know that you have picked the proper character to use. You can use the lower-bezel buttons to edit Enter Back Delete Clear Character Space the label as needed. 8.

  • Page 65: Using Autoset

    Acquire the Signal Using Autoset Autoset adjusts the oscilloscope (acquisition, horizontal, trigger, and vertical controls) such that it displays four or five waveform cycles for analog channels with the trigger near the middle level, and ten cycles for digital channels. Autoset works with both the analog and digital channels.

  • Page 66: Acquisition Concepts

    Acquire the Signal 4. Select the desired side-bezel setting. Autoset Enabled Autoset Disabled Quick Tips To position the waveform appropriately, Autoset may change the vertical position. Autoset always sets vertical offset to 0 V. If you use Autoset when no channels are displayed, the oscilloscope turns on channel one (1) and scales it. If you use Autoset and the oscilloscope detects a video signal, the oscilloscope automatically sets the trigger type to video and makes other adjustments to display a stable video signal.
  • Page 67 Acquire the Signal Real-Time Sampling DPO2000 and MSO2000 series Record points oscilloscopes use real-time sampling. In real-time sampling, the oscilloscope digitizes all of the points it acquires using a single trigger event. Sampling rate Waveform Record The oscilloscope builds the waveform record through the use of the following parameters: Sample interval: The time between recorded sample points.

  • Page 68: How The Analog Acquisition Modes Work

    Acquire the Signal How the Analog Acquisition Modes Work FilterVu Noise Filter Foreground mode retains the first sampled point from each acquisition interval. This mode is also called Sample in other oscilloscopes. This is the default mode. FilterVu Glitch Capture Background mode uses the highest and lowest of all the samples contained in two consecutive acquisition intervals.
  • Page 69 Acquire the Signal 4. Turn multipurpose knob a to set the number of waveforms to average over. 5. Push Record Length. Choose 100 k or 1.00 M points. The selections depend on the horizontal time per division setting. 125 k and 1.25 M records lengths are available at slower time per division settings.

  • Page 70: Using Roll Mode

    Acquire the Signal 6. Push the lower-bezel Delay button to select On when you want to delay the acquisition relative to the trigger event. With Delay set to On, turn the Horizontal Position knob counterclockwise to increase the delay. The trigger point will move to the left and ultimately outside of the acquired waveform.

  • Page 71: Setting Up A Serial Or Parallel Bus

    Acquire the Signal Setting Up a Serial or Parallel Bus Your oscilloscope can decode and trigger on: C and SPI serial buses if the DPO2EMBD application module is installed CAN and LIN serial buses if the DPO2AUTO application module is installed RS-232, RS-422, RS-485, and UART serial buses if the DPO2COMP application module is installed Parallel buses if you are using an MSO2000 series oscilloscope (See page 14, Application Module Free Trial.)
  • Page 72 Acquire the Signal To set up bus parameters: 1. Push B1 or B2 to bring up the lower-bezel bus menu. 2. Push Bus. Turn multipurpose knob a to scroll Define Thresholds B1 Label Event Inputs Parallel Display Table Parallel through the list of bus types and select the desired bus: Parallel (MSO2000 series only), C, SPI, CAN, RS-232, or LIN.
  • Page 73 Acquire the Signal 4. Push Thresholds. Define Thresholds B1 Label Event Parallel Display Table Inputs Parallel You can set the threshold for all channels in the parallel or serial bus from a list of preset values. The values are based on common types of integrated circuits.
  • Page 74 Acquire the Signal 6. Push Bus Display and use the side-bezel menu to define how to display the parallel or serial bus. Push the desired side-bezel menu choice to Binary display the bus data in hex, binary, or ASCII (RS-232 only) format. ASCII 7.
  • Page 75 Acquire the Signal To acquire data from an I C bus, you need to also set up these items: 1. If you select I2C, push Define Inputs and Define Thresholds Include B1 Label Event Inputs R/W in Display Table the desired side-bezel menu choices. Address You can assign the predefined SCLK Input or SDA Input to the channel connected to...
  • Page 76 Acquire the Signal To acquire data from an SPI bus, you need to also set up these items: 1. If you selected SPI, push Define Inputs and Define Thresholds Configure B1 Label Event Inputs Display Table the desired side-bezel menu choices. You can set the Framing to SS (Slave Select) or to Idle Time.
  • Page 77 Acquire the Signal 2. Turn multipurpose knob a to select the CAN Input (a) 1 channel connected to the CAN bus source. 3. Turn multipurpose knob a to select the type of Signal Type CAN signal to match the source of the CAN CAN_H bus: CAN_H, CAN_L, Rx, Tx, or Differential.
  • Page 78 Acquire the Signal 6. Push Bit Rate, and turn multipurpose knob a Bit Rate to select from the list of predefined bit rates. 19.2K bps Alternately, you can set the bit rate to a specific value. To do so, select Custom, and then turn multipurpose knob b to set the bit rate from 800 bps to 100000 bps.
  • Page 79 Acquire the Signal 2. Push Bit Rate, and turn multipurpose knob a Bit Rate 9600 bps to select the appropriate bit rate. 3. Push Data Bits and select the number to Data Bits match the bus. 4. Push Parity and turn multipurpose knob a to Parity match the polarity used by the bus as None, (a) None...

  • Page 80: Setting Up Digital Channels (Mso2000 Series Only)

    Acquire the Signal When decoding an RS-232 bus in ASCII mode, a large dot indicates that the value represents a character outside the printable ASCII range. Setting Up Digital Channels (MSO2000 Series Only) Use front-panel buttons and knobs to set up your oscilloscope to acquire signals using the digital channels available only on MSO2000 models.

  • Page 81: Reducing Unwanted Noise With Filtervu

    Acquire the Signal 6. Push the lower-bezel D15 - D0 button to D15 – D0 Thresholds Edit Labels Height On/Off access the D15 - D0 On or Off menu. | M L 7. Turn multipurpose knob a to scroll through the list of digital channels.
  • Page 82 Acquire the Signal The glitch capture waveform shows signal details up to the full bandwidth of the oscilloscope. The oscilloscope captures pulses as narrow as 5 ns, using peak detect min/max sampling. When your signal is filtered, the glitch capture waveform changes color to distinguish it from the filtered waveform. When the signal is filtered, you can independently adjust the intensity of the glitch capture waveform.

  • Page 83: Using Filtervu

    Acquire the Signal When the signal is not filtered, most measurements are taken on the foreground waveform. The min, max, and peak-to-peak measurements are taken on the glitch capture background, because they measure the smallest and largest amplitudes in the waveform. When the signal is filtered, all measurements are taken from the filtered waveform.
  • Page 84 Acquire the Signal Noise Fil- ter (Fore- ground) 200MHz 3. Push Glitch Capture Background to turn Glitch Capture off the background waveform that contains Back- the higher frequency components of the ground signal. |Off With Glitch Capture set to Off, the oscilloscope displays only the noise filter (foreground) waveform.

  • Page 85: Trigger Setup

    Trigger Setup Trigger Setup This section contains concepts and procedures for setting up the oscilloscope to trigger on your signal. Triggering Concepts Trigger Event The trigger event establishes the time-reference point in the waveform record. All waveform record data is located in time with respect to that point.
  • Page 86 Trigger Setup Trigger Holdoff Adjust holdoff to obtain stable triggering when the oscilloscope is triggering on undesired trigger events. Trigger holdoff can help stabilize triggering, since the oscilloscope does not recognize new triggers during the holdoff time. When the oscilloscope recognizes a trigger event, it disables the trigger system until acquisition is complete.
  • Page 87 Trigger Setup 1. Adjust the position (delay) time by rotating the Horizontal Position knob. 2. Turn the horizontal Scale knob to acquire the detail that you need around the position (delay) expansion point. The part of the record that occurs before the trigger is the pretrigger portion. The part that occurs after the trigger is the posttrigger portion.

  • Page 88: Choosing A Trigger Type

    Trigger Setup Choosing a Trigger Type To select a trigger: 1. Push Trigger Menu. 2. Push Type to bring up the list of Trigger Types. NOTE. The bus trigger in the MSO2000 series works on parallel buses even without an application module.
  • Page 89 Trigger Setup Trigger type Trigger conditions Pulse Width Trigger on pulses that are less than, greater than, equal to, or not equal to a specified time. You can trigger on positive or negative pulses. Pulse width triggers are primarily used on digital signals. Runt Trigger on a pulse amplitude that crosses one threshold but fails to cross a second threshold before recrossing...

  • Page 90: Triggering On Buses

    Trigger Setup Trigger type Trigger conditions Rise/Fall Time Trigger on rise and fall times. Trigger on pulse edges that traverse between two thresholds at faster or slower rates than the specified time. Specify pulse edges as positive or negative or either. Video Trigger on specified fields or lines of a composite video signal.
  • Page 91 Trigger Setup 3. Push Type. Type Source Trigger On Address Direction Mode Address Write Auto B1 (I2C) & Holdoff 4. Turn multipurpose knob a to scroll through the list of trigger types until you select Bus. 5. Push Source Bus and turn multipurpose B1 (I2C) knob a to scroll through the source bus side menu until you select the bus that you want...
  • Page 92 Trigger Setup 7. If you are setting up an I C trigger and have made a Trigger On selection of Address or Address/Data, push the lower-bezel Address button to access the I C Address side-bezel menu. Push the side-bezel Addressing Mode button and select 7 bit or 10 bit.
  • Page 93 Trigger Setup 9. If you are setting up a CAN trigger and have made a Trigger On selection of Type of Frame, push the lower-bezel Frame Type button, and select Data Frame, Remote Frame, Error Frame, or Overload Frame. If you have made a Trigger On selection of Identifier, push the lower-bezel Identifier button, and select a Format.

  • Page 94: Checking Trigger Settings

    Trigger Setup Specific byte matching (non-rolling window matching for a specific position in the packet) for I C, SPI, and CAN. You can trigger on a specific byte for I C, SPI, and CAN in several ways: For I C and SPI, enter the number of bytes to match the number of bytes in the signal. Then use don’t cares (X) to mask the bytes that you are not interested in.

  • Page 95: Starting And Stopping An Acquisition

    Trigger Setup Starting and Stopping an Acquisition After you have defined the acquisition and trigger parameters, start the acquisition with Run/Stop or Single. Push Run/Stop to start acquisitions. The oscilloscope acquires repeatedly until you push the button again to stop the acquisition.

  • Page 96: Display Waveform Data

    Display Waveform Data Display Waveform Data This section contains concepts and procedures for displaying the acquired waveform. Adding and Removing a Waveform 1. To add or remove a waveform from the display, push the corresponding front-panel channel button or the D15-D0 button.
  • Page 97 Display Waveform Data Waveform Display 3. Push Persist Time, and turn multipurpose Persist Time knob a to have waveform data remain on (a) Auto screen for a user-specified amount of time. 4. Push Set to Auto to have the oscilloscope Set to Auto automatically determine a persistence time for you.
  • Page 98 Display Waveform Data 3. Turn multipurpose knob a and select Utility Backlight Graticule Screen Page Intensity Annotation Full Display. Display High 4. Push Graticule from the lower-bezel menu. 5. Select the desired style from the resulting side-bezel menu. Use the Full graticule for quick estimates of waveform parameters.

  • Page 99: Setting Waveform Intensity

    Display Waveform Data 3. Turn multipurpose knob a and select Utility Backlight Graticule Screen Page Intensity Annotation Full Display. Display High 4. Push Backlight Intensity. 5. Select the intensity level from the resulting Backlight Intensity side-bezel menu. Choices are: High, Medium, and Low.

  • Page 100: Scaling And Positioning A Waveform

    Display Waveform Data 4. Push Intensity again to clear the intensity readout from the display. Scaling and Positioning a Waveform Use the horizontal controls to adjust the time base, adjust the trigger point, and to examine waveform details more closely. You can also use the Wave Inspector Pan and Zoom controls to adjust the display of waveforms.

  • Page 101: Setting Input Parameters

    Display Waveform Data Setting Input Parameters Use the vertical controls to select waveforms, adjust the waveform vertical position and scale, and set input parameters. 1. Push a channel menu button 1, 2, 3, or 4 to bring up the vertical menu for the designated waveform.
  • Page 102 Display Waveform Data 6. Push Probe Setup to define probe parameters. On the resulting side-bezel menu: Select Voltage or Current to set the probe type for probes that do not have the TekProbe II or TekVPI interface. Use multipurpose knob a to set the attenuation to match the probe.

  • Page 103: Positioning And Labeling Bus Signals

    Display Waveform Data Positioning and Labeling Bus Signals After you set up a serial or parallel bus, you can position and label the bus signals. (See page 51, Setting Up a Serial or Parallel Bus.) To position bus signals, follow these steps: 1.
  • Page 104 Display Waveform Data 2. Push the lower-bezel D15–D0 On/Off menu D15 – D0 Thresholds Edit Labels Height On/Off item. | M L 3. Push Select, and turn multipurpose knob a Select (a) D0 to select a channel from the list. Then push (b) 1.04 div Display to turn on (or turn off) the waveform.

  • Page 105: Viewing Digital Channels

    Display Waveform Data 4. Turn multipurpose knob b to move the selected channel or group. NOTE. The display of the channel (or group) only moves after you stop rotating the knob. To scale and label digital channels, follow these steps: 1.

  • Page 106: Annotating The Screen

    Display Waveform Data When you are zoomed in so far that there is more than one pixel column per sample, the uncertainty of the edge position is indicated by light gray shading. Annotating the Screen You can add your own text to the screen by doing the following: 1.

  • Page 107: Analyze Waveform Data

    Analyze Waveform Data Analyze Waveform Data After having properly set up the acquisition, triggering, and display of your desired waveform, you can then analyze the results. Select from features such as cursors, automatic measurements, math, and FFT. Taking Automatic Measurements To take an automatic measurement: 1.

  • Page 108: Selecting Automatic Measurements

    Analyze Waveform Data Selecting Automatic Measurements The following tables list each automatic measurement by category: time or amplitude. (See page 87, Taking Automatic Measurements.) Time Measurements Measurement Description Frequency The first cycle in a waveform or gated region. Frequency is the reciprocal of the period; it is measured in hertz (Hz) where one Hz is one cycle per second.
  • Page 109 Analyze Waveform Data Time Measurements (cont.) Measurement Description Burst Width The duration of a burst (a series of transient events) and is measured over the entire waveform or gated region. Amplitude Measurements Measurement Description Peak-to-peak The absolute difference between the maximum and minimum amplitude in the entire waveform or gated region.
  • Page 110 Analyze Waveform Data Amplitude Measurements (cont.) Measurement Description Negative This is measured over the entire waveform or gated region and is expressed as: Overshoot Negative Overshoot = (Low – Minimum) / Amplitude x 100%. Mean The arithmetic mean over the entire waveform or gated region. Cycle Mean The arithmetic mean over the first cycle in the waveform or the first cycle in the gated region.

  • Page 111: Customizing An Automatic Measurement

    Analyze Waveform Data Customizing an Automatic Measurement You can customize automatic measurements by using gating, taking a snapshot, or setting the high and low levels. Gating Gating confines the measurement to a certain portion of a waveform. To use: 1. Push Measure. 2.
  • Page 112 Analyze Waveform Data 2. Push Add Measurement . Add Mea- Remove Indicators Gating High-Low Bring Configure surement Measure- Method Cursors Cursors Screen ment On Screen Auto 3. Turn multipurpose knob a to select the Measurement Type of Snapshot All. 4. Push OK Snapshot All Meas. Snapshot All Meas DPO2000 and MSO2000 Series Oscilloscopes User Manual...
  • Page 113 Analyze Waveform Data 5. View results. Snapshot on 1 Period : 312.2μs Freq : 3.203kHz +Width : 103.7μs –Width : 208.5μs Burst W : 936.5μs Rise : 1.452μs Fall : 1.144μs +Duty : 33.23% –Duty : 66.77 % +Over : 7.143% –Over : 7.143 % High...

  • Page 114: Taking Manual Measurements With Cursors

    Analyze Waveform Data 3. Set the levels from the side-bezel menu. Auto Select Use the Histogram method for pulses. Histogram (best for pulses) Use the Min-Max method for all other Min-Max (all other waveforms. wave- forms) For descriptions of the high and low measurements, refer to the table of Amplitude Measurements under Selecting Automatic Measurements.
  • Page 115 Analyze Waveform Data 3. Push Select. This turns the cursor linking on and off. If linking is on, turning multipurpose knob a moves the two cursors together. Turning multipurpose knob b adjusts the time between the cursors. 4. Push Fine to toggle between a coarse and a fine adjustment for multipurpose knobs a and b.
  • Page 116 Analyze Waveform Data 8. View the cursor and the cursor readout. You can take timing measurements with cursors on digital channels, but not amplitude measurements. 9. Push Cursors again. This will turn off the cursor mode. The screen will no longer display the cursors and the cursor readout.

  • Page 117: Using Math Waveforms

    Analyze Waveform Data The horizontal cursor lines on the display measure the vertical parameters, typically voltage. The vertical cursor lines on the display measure horizontal parameters, typically time. The square and circle shapes in the readout map to the multipurpose knobs when both vertical and horizontal cursors are present.

  • Page 118: Using Fft

    Analyze Waveform Data For example, you might calculate power by multiplying a voltage waveform and a current waveform. Quick Tips Math waveforms can be created from channel or reference waveforms or a combination of them. Measurements can be taken on math waveforms in the same way as on channel waveforms. Math waveforms derive their horizontal scale and position from the sources in their math expressions.
  • Page 119 Analyze Waveform Data The FFT will appear on the display. 3. Push the side-bezel menu FFT Source Source button and turn multipurpose knob a to set the source to channel 1, 2, 3, or to 4. 4. Push Vertical Units and turn multipurpose Vertical Units knob a to select dBV RMS or Linear RMS.
  • Page 120 Analyze Waveform Data Set up the FFT so that the Nyquist frequency is above the major frequency components of your signal. To do this, adjust the Horizontal time/div, which affects the Nyquist frequency. Use the FilterVu low-pass filter to remove aliases from the source waveform. To do this, set the filter frequency to its minimum value (while zoom is off and acquisitions are running).

  • Page 121: Using Reference Waveforms

    Analyze Waveform Data Description Window Blackman-Harris This is the best window for measuring the amplitude of frequencies but worst at resolving frequencies. Use Blackman-Harris for measuring predominantly single frequency waveforms to look for higher order harmonics. Using Reference Waveforms Create a reference waveform to store a waveform. For example, you might do this to set up a standard against which to compare other waveforms.
  • Page 122 Analyze Waveform Data 3. Use the side-bezel menu and the multipurpose knobs to adjust the vertical and horizontal settings of the reference waveform. Vertical 0.00 div 100 mV/div Horizontal 0.00 s 4.00 μs/div Quick Tips Selecting and Displaying Reference Waveforms. You can display all the reference waveforms at the same time. Push the appropriate screen button to select a particular reference waveform.

  • Page 123: Using Wave Inspector To Manage Long Record Length Waveforms

    Analyze Waveform Data Using Wave Inspector to Manage Long Record Length Waveforms The Wave Inspector controls (zoom/pan, play/pause, marks, search) help you to efficiently work with long record length waveforms. To magnify a waveform horizontally, turn the Zoom knob (center knob). To scroll through a zoomed waveform, turn the Pan knob.
  • Page 124 Analyze Waveform Data 3. Examine the zoomed view of the waveform that appears on the larger, lower portion of the display. The upper portion of the display will show the position and size of the zoomed portion in the waveform, within the context of the overall record.
  • Page 125 Analyze Waveform Data 3. Change the play direction by reversing the direction that you are turning the pan knob. 4. During play, up to a point, the more you turn the ring, the faster the waveform accelerates. If you turn the ring as far as it can go, the play speed does not change, but the zoom box quickly moves in that direction.
  • Page 126 Analyze Waveform Data 3. Investigate your waveform by moving from search mark to search mark. Use the next ( →) or previous (←) arrow button to jump from one marked location to another, without adjusting any other controls. 4. Delete a mark. Push the next ( →) or previous (←) arrow button to jump to the mark you want to clear.
  • Page 127 Analyze Waveform Data Turn multipurpose knob a to select the search type: Edge, Pulse Width, Runt, Logic, Setup & Hold, Rise/Fall Time, or Bus. On the screen, hollow triangles show the location of automatic marks and solid triangles show the custom (user-defined) locations.
  • Page 128 Analyze Waveform Data Search Description Parallel: Search for a binary or hex value (MSO2000 series only). C: Search for Start, Repeated Start, Stop, Missing Ack, Address, Data, or Address and Data. SPI: Search for SS Active, MOSI, MISO, or MOSI & MISO CAN: Search for Start of Frame, Type of Frame (Data, Remote, Error, Overload), Identifier (standard or extended), Data, Identifier and Data, End of Frame, Missing Ack, or Bit Stuffing Error...

  • Page 129: Save And Recall Information

    Save and Recall Information Save and Recall Information The oscilloscope provides permanent storage for setups, waveforms, and screen images. Use the internal storage of the oscilloscope to save setup files and reference waveform data. Use external storage, such as USB flash drives, to save setups, waveforms, and screen images. Use the external storage to carry data to remote computers for further analysis and for archiving.
  • Page 130 Save and Recall Information Editing File, Directory, Reference Waveform, or Oscilloscope Setup Names. Give files descriptive names that you can recognize at a later date. To edit file names, directory names, reference waveform and oscilloscope setup labels: 1. Push Save / Recall Menu. 2.

  • Page 131: Saving A Screen Image

    Save and Recall Information 7. Push the Menu Off button to cancel the save operation, or push a side-bezel menu OK Save item to complete the operation. OK Save Saving a Screen Image A screen image consists of a graphical image of the oscilloscope screen. This is different from waveform data, which consists of numeric values for each point in the waveform.

  • Page 132: Saving And Recalling Waveform Data

    Save and Recall Information Save Screen Image 3. From the side-bezel menu, push File File Format Format repeatedly to select .tif, .bmp, and .png .png formats. 4. Push Ink Saver to turn the Ink Saver mode Ink Saver on or off. When on, this mode provides a On | white background.
  • Page 133 Save and Recall Information 5. Push Source and turn multipurpose knob a Source (a) 1 to select a waveform to save. 6. Push Destination and turn multipurpose Destina- tion knob b to select a reference waveform or (b) .csv a file. Set the Waveform Resolution for .csv files Waveform Resolution...

  • Page 134: Saving And Recalling Setups

    Save and Recall Information 2. Push R1 or R2. (On) (Off) (R1) | (R2) | Removing a Reference Waveform from the Display. To remove a reference waveform from the display: 1. Push Ref R. 2. Push the R1 or R2 lower-bezel button to (R1) | (R2) | (On)
  • Page 135 Save and Recall Information 3. From the resulting side-bezel menu, select Save Setup the location to save the setup to or to recall it from. To File To save setup information to one of the ten internal setup memories in the oscilloscope, Edit Labels push the appropriate side-bezel button.

  • Page 136: Saving With One Button Push

    Save and Recall Information Saving with One Button Push After you have defined the save/recall parameters with the Save/Recall Menu button and menu, you can save files with a single push of the Save button. For example, if you have defined the save operation to save waveform data to a USB drive, then each push of the Save button will save current waveform data to the defined USB drive.
  • Page 137 Save and Recall Information 2. Push Assign Save to button. Save Save Save Recall Recall Assign File Waveform Setup Utilities Screen Waveform Setup Save| to Image Setup 3. Push the Setup, Image & Waveform button. Assign Save to Screen Image Waveform Setup Setup,...

  • Page 138: Printing A Hard Copy

    Save and Recall Information Printing a Hard Copy To print an image of what appears on the oscilloscope screen, do the following procedure. Connect a Printer to Your Oscilloscope When you connect the oscilloscope to a PictBridge compatible printer, the oscilloscope and printer can be powered on or off. 1.
  • Page 139 Save and Recall Information 4. Choose Ink Saver On or Off. The On selection will print out a copy with a clear (white) background. Ink Saver on Ink Saver off 5. Push PictBridge Printer Settings. 6. Set the side bezel menus to match your printer.

  • Page 140: Erasing Oscilloscope Memory

    Save and Recall Information 10. If printing fails, check that the USB cable is connected to the PictBridge port on the printer, and try again. Quick Tips Push Set To Defaults to have the oscilloscope match the print settings to the default settings of your printer. The oscilloscope displays an error message when the oscilloscope detects a mismatched setting.
  • Page 141 Save and Recall Information 3. Turn multipurpose knob a and select Config. Utility Language Set Date & TekSecure About Page Time Erase English Memory Config 4. Push TekSecure Erase Memory. 5. Push OK Erase Setup and Ref Memory Erase from the side-bezel menu. Setup &...

  • Page 142: Using Application Modules

    Refer to the DPO2000 and MSO2000 Series Oscilloscopes Application Module Installation that came with your application module for instructions on installing and testing an application module. Some modules are described in the following list. Additional modules may be available. Contact your Tektronix representative or visit our Web site at www.tektronix.com for more information.

  • Page 143: Appendix: Warranted Specifications, Safety Certifications, And Electromagnetic Compatibility

    0 °C to temperature of 0 °C to 40 °C (0 °F to 104 °F) 50 °C (0 °F to 122 °F) 20 MHz DPO2024, DC to ≥200 MHz DC to ≥160 MHz MSO2024 DPO2014, DC to ≥100 MHz...
  • Page 144 Appendix: Warranted Specifications, Safety Certifications, and Electromagnetic Compatibility DPO2000 and MSO2000 Series Oscilloscopes User Manual...
  • Page 145 Index Index Button button, 51, 52, 70 Acquire, 29, 48, 76 About, 21 display, 38, 54 Autoset, 12, 29, 33, 41, 45 Accessories, 1 menu, 31, 52 B1 / B2, 51, 70 Acquire button, 29, 48, 76 positioning and labeling, 83 B1 / B2 bus, 52 Acquisition setup, 52...
  • Page 146 Index Channel button, 30 Disable Autoset, 45 FilterVu Noise Filter acquisition Channel readout, 38 Display mode, 48 Channel vertical menu, 81 information, 35 Fine, 32 Cleaning, 7 persistence, 76 Fine button, 29, 31, 32, 33 Clearance, DPO2000 and Firmware upgrade, 18 style, 76 MSO2000, 5 XY, 77...
  • Page 147 Index Holdoff, trigger, 66 Humidity Logic trigger, defined, 69 Horizontal delay, 66 DPO2000 and MSO2000, 5 Long record length Horizontal lines P2221, 6 management, 103 Green and blue, 85 P6316, 7 Low measurement, 89 Horizontal position, 33, 47, 66, 67, 80, 100 and math waveforms, 98 I2C, 31, 51, 70...
  • Page 148 Auxiliary, 37 measurement, 88 Position and offset, 82 Channel, 38 Next button, 33 Positive Duty Cycle Cursor, 36, 96 NI LabVIEW SignalExpress Tektronix measurement, 88 Horizontal position/scale, 37 Edition software, x Positive Overshoot Timing resolution, 38 measurement, 89 Normal trigger mode, 65...
  • Page 149 Index Save / Recall Menu button, 29 TekVPI external power adapter, 3 Trigger modes Save / Recall Save button, 34, 111 Temperature Auto, 65 Save All, 116 DPO2000 and MSO2000, 5 Normal, 65 Saving P2221, 6 Trigger types, defined, 68 reference waveforms, 113 Triggering on Buses, 70 P6316, 6...
  • Page 150 Index Voltage, Input Waveform Width P2221, 6 adding, 76 DPO2000 and MSO2000, 5 Voltage, Source display style, 76 DPO2000 and MSO2000, 5 intensity, 79 pan, 103, 104 pause, 104 cursors, 97 play, 104 Wave Inspector, x, 103 display, 77 play-pause, 104 record defined, 47 removing, 76 search and mark, 105...

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