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Spectrum Analyzers (Signal Analyzers)

X-Series Signal Analyzers

Design, test, and deliver your next breakthrough with our most advanced signal analysis tools

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Keysight X-Series signal analyzer (spectrum analyzer), RF spectrum analyzer, frequency analyzer image

Limited Time Offer on Signal Analyzers

Save 50% on all eligible bandwidth and performance options.

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Make an Inspired Connection with X-Series Signal Analyzers (Spectrum Analyzers)

Engineering is all about connecting ideas and solving problems. This starts with accessible performance, which is at the heart of every X-Series signal analyzer. They put you closer to the signal analysis answer by easily linking cause and effect. Across the full spectrum — from our CXA to our UXA — you will find the signal analysis tools you need to design, test, and deliver your next breakthrough. Reach for the X-Series signal analyzer and make an inspired connection.

Achieve deeper signal analysis (spectrum analysis) troubleshooting and one-button measurements with the broadest set of application-specific software
Drive consistent signal analysis (spectrum analysis) measurements across your organization, no matter which signal analyzer (spectrum analyzer) instrument you choose to use, with 100% code-compatibility from research and development (R&D) to manufacturing

Simplify RF spectrum analyzer (signal analyzer) measurement setup and customize views with the new multi-touch user interface
See, capture, and understand signal analysis (spectrum analysis) for the most elusive signals — known or unknown — with real-time spectrum analysis

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Get Closer to Your Signal Analysis Answer with Accessible Performance

Measurement setup is simple with the X-Series' multi-touch user interface, customizable views, and one-button measurements. Not only are signal analysis measurements easy, but you can capture signals you could not see before with a spurious-free dynamic range of > 75 dBc. You can also use a Keysight signal analyzer to accurately measure low-level signals with noise floor extension (NFE) to reduce measurement noise by up to 10 dB.

Achieve easy, accurate, and detailed signal analysis measurements with Keysight's X-Series signal analyzers.

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The Custom Power Behind Our Instruments

Pushing the boundaries of technology requires instantaneous bandwidth, spurious-free dynamic range, and signal fidelity beyond basic measurements. Keysight powers every performance product with custom MMICs, designed in-house, manufactured in our proprietary indium phosphide (InP) and gallium arsenide (GaAs) fab with custom ASIC signal processing that ensures the industry’s fastest, most reliable measurements. Count on Keysight to accelerate your next innovation. In the MXG signal generator, Keysight semiconductors enable market-leading multi-channel EVM and output power.

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X-Series signal analyzer (spectrum analyzer) measurement applications, frequency analyzer, rf frequency analyzer

Powerful Software to Simplify Complex Signal Analysis Measurements and Deliver Repeatable Results

Understand the performance of your cellular, wireless, and aerospace/defense devices and designs with downloadable X-Series signal analysis (spectrum analysis) measurement applications.

Gain more insight into the signal analysis (spectrum analysis) of your device performance from basic measurements to the latest standards-compliant wireless measurements like 5G, IoT, LTE and WLAN with integrated applications that put consistent signal analysis (spectrum analysis) measurements at your fingertips
Share same signal analysis (spectrum analysis) measurement science and expertise across multiple hardware platforms across design, development, and production
Choose the best license type and terms according to your signal analyzer (spectrum analyzer) need and budget

Related use cases

How to Make 6G D-Band Noise Figure Measurements

Early 6G research requires exploring the D-band (110-170 GHz) for prototyping and system performance validation. Learn how to measure and characterize the whole system's performance using noise figure measurements.

How to Measure the Lowest EVM in WLAN Receiver Test

Testing the true performance of the device under test (DUT) in WLAN receivers requires a test system that can cancel out the uncorrelated noise contribution from the measurement system to get a much lower EVM for the DUT. Learn how to measure accurate and reliable EVM for the DUT in WLAN applications using the cross-correlated EVM (ccEVM) technique.

How to Measure Wi-Fi 7 Signal Quality

Measuring signal quality requires capturing a Wi-Fi signal with a signal generator, and analyzing measurements against specified standards. Learn how to use signal analysis software to test Wi-Fi 7 signals to ensure product performance and compliance.

How to Test a Satellite Transceiver with DVB-S2X Signals

Testing satellite transceivers with DVB-S2X signals for conformance and interoperability requires signal analysis under real-world conditions. Learn how to use signal creation and analysis to test your satellite transceiver.

How to Test Power Consumption in IoT Devices

Measuring the low power consumption in IoT devices requires a test system that can overcome signal and power integrity challenges to measure low-power signals in the presence of noise. Learn how to drop the noise floor using a spectrum analyzer test system to allow for measurement of very small signals in IoT devices.

How to Measure Accurate EVM for a DUT in 5G NR Systems

Measuring the true performance of a device under test (DUT) in 5G new radio (NR) receivers requires suppressing the test system’s EVM noise floor, especially at higher frequency and wider bandwidth applications. Learn how to suppress system noise using two receiver systems to get accurate and reliable DUT EVM measurement in 5G NR frequency range 1 (FR1) and FR2 applications.

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Extend Your Signal Analysis Capabilities with the Right Signal Analyzer Tools

Get more functionality out of your existing signal analyzer (spectrum analyzer) today by pairing it with the right accessories to improve productivity and the right Keysight PathWave design and test automation software to accelerate your signal analysis (spectrum analysis) and product development.