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Oscilloscope

Make better measurements with award-winning Keysight oscilloscopes

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Oscilloscope Test Measurements You Can Count On

Whether you design, debug, or perform compliance tests, you need proven measurement technology to be successful. Our oscilloscope hardware, with industry-leading signal integrity, high effective number of bits (ENOB), and the fastest waveform update rates, captures the true performance of your device under test. Couple this with superior protocol decoding, analysis, and compliance software, and you’re guaranteed to get measurements you can trust.

Find the Oscilloscope That’s Right For You

Whether you need high signal integrity, a portable form factor, or an affordable oscilloscope, we’ve got you covered. With our broad range of oscilloscopes, you are sure to find the right scope no matter where you are in the development cycle.

InfiniiVision Real-Time Oscilloscopes

50 MHz to 6 GHz

Perform everyday, general debugging and capture glitches faster with an industry-leading waveform update rate

Infiniium Real-Time Oscilloscopes

Infiniium Real-Time Oscilloscopes

500 MHz to 110 GHz

Get the signal integrity you need to create next generation technology with the highest bandwidth oscilloscope, lowest noise floor, and high ENOB

DCA Equivalent-Time Oscilloscopes

DCA Equivalent-Time (Sampling) Oscilloscopes

10 GHz to >100 GHz

Achieve precise measurements on high-speed digital designs and analyze your optical devices with sampling oscilloscopes

Handheld, Modular, and USB Oscilloscopes

Handheld, Modular, and USB Oscilloscopes

100 MHz to 1 GHz

Don’t compromise quality for size. Analyze your devices with the same InfiniiVision technology in smaller or portable form factors.

Select the Oscilloscope Software That’s Right For You

Keysight offers the industry’s largest selection of compliance, debugging, and application-specific oscilloscope test software. Explore and select the oscilloscope software that completes your testing solution.

New Oscilloscope Software

Industry’s largest selection of oscilloscope test software

The software works seamlessly with your Keysight oscilloscope and provides the insight you need to quickly and easily innovate your best designs. Explore how you can create, test, and validate your designs faster with automated software testing and stay up to date on the latest standards with over 50 compliance test software packages.

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PathWave BenchVue Oscilloscope Software

PathWave BenchVue oscilloscope test software for PCs makes it easy to connect, control, capture, and view measurement data from your oscilloscopes with no additional programming. The software enables you to do the following:

– Connect and control your oscilloscopes in the cloud
– Log data, screenshots, and system status
– Export measurement data in the desired format
– Make prototypes and create automated custom test sequences
– Save and replicate instrument configurations to repeat results
– Visualize multiple types of instrument measurements simultaneously

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Over 50 Compliance Test Software Packages

High-speed digital transceivers require validation to ensure compliance with the latest standards. Pair your Keysight oscilloscope with over 50 compliance test software packages to speed up debugging and validation.

– High-speed digital: USB, DDR, MIPI, PCIe, and HDMI
– Automotive: CAN, LIN, FlexRay, and Ethernet
– Aerospace and defense: MIL-STD and ARINC 429
– General-purpose: I2C, SPI, NFC, SATA, SAS, XAUI, and more

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Which Oscilloscope Test Probe Do You Need?

Keysight offers a broad range of voltage, current, and optical probing solutions for InfiniiVision and Infiniium Series oscilloscopes. Check out this guide to see which probe is right for your testing needs.

Oscilloscope Probes Selection Guide

Understanding common probing mistakes is crucial to making accurate measurements. Probes can introduce loading, noise, and jitter into your system. The electrical behavior of your probes greatly affects your measurement results and potentially even the operation of your device. Learn how to avoid common oscilloscope probing pitfalls in this eBook.

7 Common Oscilloscope Probing Pitfalls to Avoid

Test Probing

KeysightAccess

Reduce budget challenges with KeysightAccess subscription service.

Extend Your Capabilities With The Right Tools

Get more functionality out of your test hardware today by pairing it with the right accessories to improve productivity and the right Keysight PathWave design and test automation software to accelerate your product development.

See Compatible Software See Compatible Accessories

Featured Resources

Catalogs

2024.04.09

High-Performance Digital Products Catalog

Catalogs

2022.09.30

Engineering Essentials Oscilloscopes

eBooks

2022.11.17

6 Oscilloscope Tricks to Get the Most Out of Your Scope

Application Notes

2023.05.31

Equivalent Time Sampling Oscilloscope vs. Real-Time Oscilloscope

eBoooks

2023.01.25

7 Common Oscilloscope Probing Pitfalls to Avoid

Application Notes

2022.07.07

Basic Oscilloscope Fundamentals

White Papers

2022.11.22

Journey of a Signal – Understand How an Oscilloscope Probe Works

White Papers

2018.07.02

Can Your Oscilloscope Capture Elusive Events? Why Waveform Update Rate Matters

Frequently Asked Questions – Oscilloscopes

What is an oscilloscope?

An oscilloscope, sometimes shortened to “scope” or “o-scope”, is a test instrument that captures and displays the behavior of electrical signal over time.

What are the different types of oscilloscopes?

All modern oscilloscopes are digital storage oscilloscopes (DSOs), which use digital signal processing to capture and display the analog signal. If the scope has the ability to accept digital signals, it is a mixed-signal oscilloscope (MSO). If the scope has a spectrum analyzer feature built into it, it is a mixed-domain oscilloscope (MDO), though this terminology is less common.

What is an oscilloscope used for?

Oscilloscopes play a key role across all industries for a variety of applications (troubleshooting, validation, characterization, manufacturing test) and technologies (high-speed digital electronics, optical communication, RF, power electronics). An oscilloscope is a critical test instrument to observe, analyze, or record, the behavior of an electrical signal.

How does an oscilloscope work?

An oscilloscope uses a probe to connect to a test point in a circuit and amplifies or attenuates the voltage at that point. The signal path after that depends on the scope, but in general analog circuitry conditions the signal and an analog-to-digital converter digitizes it for further evaluation, processing, and analysis.

What's the difference between an oscilloscope and a spectrum analyzer?

An oscilloscope captures and displays a signal in the time domain, while a spectrum analyze captures and displays a signal in the frequency domain. Sometimes an oscilloscope will have a spectrum analyzer feature built into it for convenience of analyzing the signal in the time and frequency domain.

How do you use an oscilloscope?

Keysight offers a wide range of free technical resources for engineers to learn about essential oscilloscope functions and specifications. Get started with the How to Use an Oscilloscope Keysight University Course, and continue your learning with free Oscilloscope Technical Resources.