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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

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.

X-Series Signal Analyzers

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N9042B

N9042B UXA Signal Analyzer, 2 Hz to 50 GHz

Starting from

Frequency: 50 GHz

Bandwidth Options:

1 GHz

1.5 GHz

2 GHz

4 GHz

DANL @1 GHz: -168 dBm

Overall Amplitude Accuracy: ± 0.24 dB

Phase Noise @1 GHz (10 kHz offset): -135 dBc/Hz

N9041B

N9041B UXA Signal Analyzer, 2 Hz to 110 GHz

Starting from

Frequency: 110 GHz

Bandwidth Options:

25 MHz

40 MHz

1 GHz

DANL @1 GHz: -174 dBm

Overall Amplitude Accuracy: ±0.16 dB

Phase Noise @1 GHz (10 kHz offset): -135 dBc/Hz

N9040B

N9040B UXA Signal Analyzer, 2 Hz to 50 GHz

Starting from

Frequency: 50 GHz

Bandwidth Options:

25 MHz

40 MHz

255 MHz

510 MHz

1 GHz

DANL @1 GHz: -174 dBm

Overall Amplitude Accuracy: ±0.16 dB

Phase Noise @1 GHz (10 kHz offset): -135 dBc/Hz

N9032B

N9032B PXA Signal Analyzer, 2 Hz to 55 GHz

Starting from

Frequency: 55 GHz

Bandwidth Options:

1 GHz

1.5 GHz

2 GHz

DANL @1 GHz: -167 dBm

Overall Amplitude Accuracy: ±0.20 dB

Phase Noise @1 GHz (10 kHz offset): -136 dBc/Hz

N9030B

N9030B PXA Signal Analyzer, 2 Hz to 50 GHz

Starting from

Frequency: 50 GHz

Bandwidth Options:

25 MHz

40 MHz

85 MHz

125 MHz

160 MHz

255 MHz

510 MHz

DANL @1 GHz: -166 dBm

Overall Amplitude Accuracy: ±0.19 dB

Phase Noise @1 GHz (10 kHz offset): -136 dBc/Hz

N9021B

N9021B MXA Signal Analyzer, 10 Hz to 50 GHz

Starting from

Frequency: 50 GHz

Bandwidth Options:

255 MHz

510 MHz

DANL @1 GHz: -167 dBm

Overall Amplitude Accuracy: ±0.19 dB

Phase Noise @1 GHz (10 kHz offset): -130 dBc/Hz

N9020B

N9020B MXA Signal Analyzer, 10 Hz to 50 GHz

Starting from

Frequency: 50 GHz

Bandwidth Options:

25 MHz

40 MHz

85 MHz

125 MHz

160 MHz

DANL @1 GHz: -172 dBm

Overall Amplitude Accuracy: ±0.23 dB

Phase Noise @1 GHz (10 kHz offset): -114 dBc/Hz

N9010B

N9010B EXA Signal Analyzer, 10 Hz to 44 GHz

Starting from

Frequency: 44 GHz

Bandwidth Options:

10 MHz

25 MHz

40 MHz

DANL @1 GHz: -165 dBm

Overall Amplitude Accuracy: ±0.27 dB

Phase Noise @1 GHz (10 kHz offset): -109 dBc/Hz

N9000B

N9000B CXA Signal Analyzer, 9 kHz to 26.5 GHz

Starting from

Frequency: 26.5 GHz

Bandwidth Options:

10 MHz

25 MHz

DANL @1 GHz: -163 dBm

Overall Amplitude Accuracy: ±0.50 dB

Phase Noise @1 GHz (10 kHz offset): -110 dBc/Hz

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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 Simulate Interference for Automotive Radar Testing

Performing in-depth automotive radar module interference immunity testing requires the ability to simulate various types of interference signals. Learn how to simulate radar targets and interference signals in the lab to effectively test your radar modules.

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.

See all use cases

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.