Signal and Spectrum Analyzers

An image of M9484C VXG and the N9042B UXA equipment

Turn Complex Signals Into Clear Insights

Signal and spectrum analyzers help engineers uncover what is really happening inside complex RF, microwave, and wireless signals. Whether you are troubleshooting interference, validating designs, characterizing performance, or preparing for compliance, you need the right measurement skills to capture, interpret, and act on signal behavior with confidence. Keysight bootcamps and courses build practical knowledge from foundational concepts to advanced signal analysis techniques.

Learn the Fundamentals of Signal and Spectrum Analyzers

A picture of an InfinjjVision Oscilloscope displaying a trigger type band.

Introduction to Signal Analyzers

Explore spectrum and signal analysis techniques to perform complex measurements with confidence and optimize analyzer performance for demanding RF applications.

Picture of engineer in front of an oscilloscope.

Best Practices for Optimizing Your EVM Measurement

Optimize EVM measurement accuracy and troubleshoot modulation performance to improve wireless system quality and reliability.

Picture of a hand holding an oscilloscope probe.

Modulation Analysis Techniques in Wireless Cellular Communications

Optimize modulation analysis and EVM performance to accurately diagnose impairments and improve wireless system quality.

Featured Courses

Bootcamp

RF Back to Basics Bootcamp

This bootcamp helps you perform accurate RF measurements and signal analysis to improve test reliability and design insight.
Course

5G Dynamic Spectrum Sharing (DSS)

Enable efficient LTE–5G coexistence with DSS to improve performance and spectrum use.
Course

Beginner FieldFox Satellite Testing

This course enables essential satellite field testing to maintain signal integrity and reduce downtime.
Course

Advanced FieldFox Satellite Testing

This course enables advanced RF validation and interference analysis to optimize ground station performance and mission readiness.

Explore Signal Analyzer Resources

Image of a colorful circuit board.

Spectrum Analyzer Basics​

Understand modern signal analyzer capabilities to accurately measure and interpret RF power for improved test confidence.

Picture of a high-perfomance oscilloscope with a colorful display.

Achieve Accurate Measurements When Using a Spectrum Analyzer

Tune spectrum analyzers for high-frequency signals to improve measurement accuracy and validation confidence.

Picture of multi-window product that exhibits different jitter characteristics on one screen.

Real-Time Analysis Techniques for Making Wireless Measurements​

Capture and analyze transient RF events in real time to accelerate wireless design and troubleshooting without missed signal behavior.

Image of a circuit board to represent what an oscilloscope's zone trigger can do for you.

Learn the Fundamentals of Noise Figure Measurement​

Measure and minimize noise figure to improve receiver sensitivity and overall RF system performance.

Image showing electrical interfaces between a Keysight transmitter and receiver.

Understanding Noise and Sensitivity in Spectrum Analyzers​

Understand spectrum analyzer sensitivity limits to accurately measure low-level signals and optimize signal detection performance.

Pictures of the Keysight Infiniium MXR0 Series oscilloscope power integrity bundle.

Faster Spectrum Measurements With Signal Analyzers

Optimize analyzer settings and measurement workflows to significantly reduce test time and improve throughput.

Discover Signal Analyzer Applications

Artistic mage of connectivity over cityscape from above

Impact of 5G Coexistence with Radar and Satellite Systems

Mitigate 5G interference with radar and satellite systems to improve shared-spectrum performance.

Image of equipment designed to take PCIe measurements.

Test High-Density EMSO Simulation from Lab to System

Design and validate realistic high-density EMSO threat simulations to improve system-level RF testing accuracy.

Wi-Fi 7

Wi-Fi 7 Signal Generation, Measurement, and Analysis

Analyze and automate Wi‑Fi 7 signal testing to accelerate design validation and performance optimization.

 
Image of an oscilloscope screen to show switch-mode power supply testing outputs.

Radar Fundamentals for Electromagnetic Spectrum Operations

Design and measure radar systems with accurate signal processing and oscilloscope validation to improve performance and measurement reliability.

 
Photograph of satellite monitoring station on top of hill

Spectrum Monitoring for Satellite Communications

Gain the ability to detect, classify, and analyze satellite RF signals and interference, enabling more reliable communications through effective, real-world spectrum monitoring workflows.

Additional Signal Analyzer Resources

Learn more about the basics, fundamentals, and essentials with resources from Keysight.

Related Use Cases

How to Perform Wi-Fi® Device Manufacturing Tests

Testing Wi-Fi® devices requires test instruments that support the latest Wi-Fi frequency bands, multiple transmit and receive antennas, and up to 800 MHz bandwidth. Learn how you can test key Wi-Fi RF performance parameters, at scale, on the manufacturing line.

Learn More

How to Conduct Electromagnetic Interference (EMI) Testing

Testing EMI pre-compliance and compliance standards requires detailed and exacting methodologies to ensure accurate emission measurements. Learn how to conduct fast and insightful EMI testing with time-domain scan (TDS) and real-time scan (RTS) that is compliant with CISPR 16-1-1:2019, MIL-STD-461G, ANSI C63.2, and FCC.

Learn More

How to Characterize 5G mmWave Air Interface

Characterizing 5G over-the-air performance requires an integrated, portable signal analyzer with a phased array antenna. Learn how to overcome key 5G network deployment challenges by characterizing millimeter-wave path loss and coverage.

Learn More

Dive Into More Insights and Resources on Signal and Spectrum Analyzers

 

Signal and Spectrum Analyzer Test Solutions

Keysight signal and spectrum analyzers support RF design validation, troubleshooting, and wireless standards compliance.

New XA5 and XA6 Signal Analyzers

Learn about the new Keysight Expert XA5 and Pro XA6 signal analyzer.

Capture more RF insight with XA5 and XA6 signal analyzers, combining faster spur search, precise EVM measurements , dual-channel analysis, and wideband visibility to accelerate signal analysis from design to validation.

contact us logo

Get in Touch with One of Our Experts

Need help finding the right solution for you?

Contact Us