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Welcome to Tektronix Product Support

While we’re happy to “talk tech” with you all day long, we know you’re in a hurry. So we’ve made it easy for you to download manuals, datasheets and software for all our current products, and many discontinued products as well. Just tell us which product you’re using, and we’ll show you everything we have.

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  • Datasheet Literature Number: ReleaseDate
    4 Series MSO
    The 4 Series MSO offers better visibility into complex systems by offering four and six channel models with a 13.3-inch high-definition (1,920 x 1,080) display. Many applications, such as embedded systems, three-phase power electronics, automotive …
    48W-61558-8
  • Manuals Manual Type Part Number: ReleaseDate
    4 Series MSO

    Specifications and Performance Verification

    Performance Verification 077154601
    4/5/6 Series MSO

    MSO44, MSO46, MSO54, MSO56, MSO58, MSO58LP, MSO64, LPD64, MSO64B, MSO66B, MSO68B Printable Application Help

    Primary User 077130314
    4, 5, 6 Series MSO

    Programmer Manual

    Programmer 077130513
    4, 5, 6 Series MSO

    Programmer Manual

    Programmer 077130512
    4/5/6 Series MSO Option License

    Install Instructions

    Field Install Instructions 071351903
    4 Series MSO

    Specifications and Performance Verification

    Performance Verification 077154600
    4 Series MSO Option 4-SEC

    Declassification and Security Instructions

    Declassification 077155100
    RM4

    Rackmount kit for 4 Series MSO

    Field Install Instructions 071364500
    HC4

    4 Series MSO Transit Case

    User 071364600
    4 Series MSO

    MSO44, MSO46

    User 071364400
    4/5/6 Series MSO Option License

    Install Instructions

    Field Install Instructions 071351902
  • Technical Documents Document Type ReleaseDate
    Measuring the Control Loop Response of a Power Supply Using an Oscilloscope
    Most power supplies and regulators are designed to maintain a constant voltage over a specified current range. They are essentially amplifiers with a closed feedback loop. An ideal supply needs to respond quickly and maintain a constant output, but …
    Application Note
    4 Series MSO Upgrade Guide
    Many of the features of the 4 Series MSO are field-upgradable, including bandwidth, record length, arbitrary/function generator, digital channels, and protocol support.  This fact sheet lists all available post-purchase upgrades.
    Fact Sheet
    Software for the Education Lab
    Tektronix offers a range of efficient and intuitive remote education solutions that combine with our oscilloscopes, DMMs, data acquisition systems, or other tools to help students put engineering theory into practice.  Read this flyer to learn how …
    Fact Sheet
    Comparing the Traditional Oscilloscope FFT to Spectrum View Spectrum Analysis for Measuring Power Supply Control Loop Frequency Response
    New Tektronix oscilloscopes incorporate spectrum analysis using digital downconverters in each channel. The resulting displays are called Spectrum View. Using Spectrum View to generate Bode plots for power supply control loop frequency response …
    Whitepaper
    Application Software Bundles for the 4, 5 and 6 Series MSO Oscilloscopes
    Learn about the application software bundles that are available for the 4, 5 and 6 Series MSOs.  Application bundles are a great alternative to purchasing individual software options, especially if you plan to address diverse applications with your …
    Brochure
    Characterizing Self-Generated EMI for Wireless and IoT Products with 4, 5 or 6 Series MSO Oscilloscopes
    Learn about wireless self-interference, which can cause performance issues especially in the compact wireless designs typical in IoT. Learn to use near-field probes and Spectrum View synchronized, multi-channel spectrum analysis on 4, 5 and 6 Series …
    Application Note
    Verifying ESD Simulator Performance Using an Oscilloscope
    This application note will help designers verify the shape of current pulses from electrostatic discharge (ESD) simulators prior to compliance or pre-compliance testing.  It covers some basic theory of ESD and describes a basic test system for ESD …
    Application Note
    Next-Generation Oscilloscopes Brochure - 3 Series MDO, 4 Series MSO, 5 Series MSO, 6 Series MSO
    The 3 Series MDO and 4, 5 and 6 Series MSOs offer the largest displays and the greatest user experience of any oscilloscope.  This brochure gives an overview of the platforms, with the similarities and differences between the four series.
    Brochure
    Troubleshooting ESD Failures Using an Oscilloscope
    Learn techniques for troubleshooting electrostatic discharge (ESD) failures. This application note covers some basic theory on ESD and describes a basic testing system for ESD troubleshooting, including an H-field probe, oscilloscope and ESD …
    Application Note
    4 Series MSO Included Probes and Accessories
    Photograph and listing of included probes and accessories for the 4 Series MSO Oscilloscope.
    Fact Sheet
    Step by Step EMI Troubleshooting with 4, 5 and 6 Series MSO Oscilloscopes
    This application note will help you learn the basics of EMC and EMI troubleshooting and debugging.  It introduces a 3-step troubleshooting process and introduces the basics of radiated and conducted emissions troubleshooting. It covers the …
    Application Note
    Achieve Higher Vertical Resolution for More Precise Measurements
    This white paper describes an approach in which new oscilloscope ADC technology, combined with digital signal processing and a low-noise front end, can provide even higher resolution than found in conventional high bit-rate ADC implementations. It …
    Whitepaper
    Working Remotely with Tektronix Oscilloscopes
    Most modern Tektronix oscilloscopes support one or more ways of working remotely.  These methods include simple file-sharing and offline analysis, control using PC software, custom programming in Python or other languages, and remote access over a …
    Technical Brief
    Serial Support Using Tektronix Oscilloscopes and Optional Software
    Tektronix oscilloscopes offer a portfolio of optional analysis capabilities to simplify serial bus debug or compliance verification. This selection matrix shows which serial standards are supported by each of the oscilloscope series.
    Selection Guide
    Spectrum View: A New Approach to Frequency Domain Analysis on Oscilloscopes
    Debugging embedded systems often involves looking for clues that are hard to discover just by looking at one domain at a time. The ability to look at time and frequency domains simultaneously can offer important insights. FIGURE 1. Spectrum …
    Application Note
    Power Supply Measurement and Analysis with 4/5/6-PWR Application Software
    Optimizing and validating a power supply design requires a number of important measurements.  These include: Line-side power quality measurements, such as power factor, inrush current, and harmonics Switching device measurements, such as …
    Application Note
    EMI Troubleshooting with the Latest-Generation Oscilloscopes
    This application note describes techniques using an oscilloscope that can help you determine the source of unwanted radiated emissions (EMI), especially after an out-of-limits condition has been identified through formal testing or pre-compliance …
    Application Note
    Decoding and Searching MIPI I3C Bus Activity with an Oscilloscope
    The MIPI I3C standard defines a two-wire interface with a bidirectional data bus for connecting sensors to an application processor. This application note gives a brief orientation on the physical layer and packet structures of the I3C protocol. It …
    Application Note
    Keysight 4000 X-Series Oscilloscope vs. 4 Series MSO Mixed Signal Oscilloscope Comparison
    This fact sheet compares important specifications and features of the Tektronix 4 Series MSO Mixed Signal Oscilloscope to those of the Keysight 4000 X-Series Oscilloscopes
    Competitive
    Using FastFrame Segmented Memory on the 4/5/6 Series MSO
    Communications systems, RADAR, and ultrasonic sensors all rely on signals that transfer information in bursts followed by dead time. Processor interrupt pulses can occur intermittently and infrequently. Conventional signal-shot acquisitions on …
    Technical Brief
    Probing Techniques for Accurate Voltage Measurements on Power Supplies with Oscilloscopes
    Making oscilloscope voltage measurements on power supplies is fundamental, but not without challenges. Much is  written on oscilloscopes, but probing techniques are often taken for granted. This application note focuses on probing and …
    Application Note
    Making Higher Accuracy Oscilloscope Measurements
    12-bit analog-to-digital converters deliver higher resolution on the 4, 5 and 6 Series MSO oscilloscopes Higher resolution oscilloscope measurements are becoming more important given today’s signal levels. Scopes are available with 12-bit analog-to …
    Technical Brief
    Rohde & Schwarz RTA4000 Series Oscilloscopes vs. 4 Series MSO Mixed Signal Oscilloscopes Comparison
    This fact sheet compares important specifications and features of the Tektronix 4 Series MSO Mixed Signal Oscilloscope to those of the Rohde & Schwarz RTA4000 Series Oscilloscopes
    Competitive
    Debugging CAN, LIN and FlexRay Automotive Buses with an Oscilloscope
    Explains the physical layer basics of common automotive buses - CAN, LIN, and FlexRay - to enable you to troubleshoot bus problems or system issues.  Learn how to set up and interpret the results when using automated decoding, triggering, and search …
    Application Note
    Debugging SPMI Power Management Buses with an Oscilloscope
    Designers of mobile devices and other portable systems rely on the System Power Management Interface (SPMI) protocol to monitor and dynamically control supply voltages based on real-time system demands. Enabling them to achieve lower power usage at …
    Application Note
    Debugging SENT Automotive Buses with an Oscilloscope
    The SENT bus is used in automotive sensors to transmit high-resolution measurements to electronic control units (ECUs), usually in the powertrain. Decoding the Single Edge Nibble Transmissions (SENT) by looking at the signals can be very difficult …
    Application Note
    Measuring Power Supply Switching Loss with an Oscilloscope
    Losses due to dissipation in switching devices such as MOSFET's and IGBT's contribute significantly to the overall losses in switch mode power supplies.  This application note explains how to measure switching loss and conduction loss in power supply …
    Application Note
    Troubleshooting Ethernet Problems with your Oscilloscope
    This Application Note: •     Gives a brief orientation on the physical layer and packet structure of Ethernet, with a goal of providing just enough detail to help with troubleshooting •     Explains how to set up decoding on an oscilloscope …
    Application Note
    Troubleshooting USB 2.0 Problems with Your Oscilloscope
    Learn the basics of the USB 2.0 physical layer to help you troubleshoot bus problems or system issues.  Learn how to set up and interpret the results when using automated decoding, triggering, and search on an oscilloscope equipped with USB 2.0 bus …
    Application Note
    How to Minimize Probe Loading with Low Capacitance Probes
    Probing a circuit always has some impact on signals. Probe loading changes the signal being probed and can cause measurement problems or can even cause a circuit to perform differently. Reducing capacitive loading can help minimize these effects. In …
    Application Note
    How to Troubleshoot System Problems Using an Oscilloscope with I2C and SPI Decoding
    Learn about the physical layers of the most common interchip buses - I2C and SPI - to enable you to troubleshoot bus problems or system issues.  Learn how to set up and interpret the results when you use automated decoding, triggering, and search on …
    Application Note
    Getting Started with Power Rail Measurements Application Note
    Most of today’s electronic designs require many different supply voltages to function properly. In fact, many components within a given circuit require multiple voltages. This is especially true with highly-integrated system on chip and …
    Application Note
    4 Series MSO vs MDO4000C
    This fact sheet compares important specifications and features of the Tektronix 4 Series MSO Mixed Signal Oscilloscope to those of the Tektronix MDO4000 Series Oscilloscopes.
    Fact Sheet
    Oscilloscope Selection Guide
    From basic signal-checking to high-performance analysis, this selection guide gives an overview of the complete range of oscilloscopes from Tektronix. Comparison tables give high-level specifications and features, and indicate the major differences …
    Selection Guide
    XYZs of Oscilloscopes Primer
    After reading this primer, you will be able to: Describe how oscilloscopes work Describe the differences between analog, digital storage, digital phosphor, and digital sampling oscilloscopes Describe electrical waveform types Understand basic …
    Primer