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Accurate and Repeatable Noise Figure Measurement

Whether you are working with systems, subsystems, subassemblies, or discrete devices, each of your components add noise that affects the overall performance of your receiver. By measuring and reducing noise figure, you can give your components a competitive edge.

Keysight provides a range of noise figure measurements solutions to meet your needs, from the NFA series noise figure analyzers to the noise figure measurement personalities for our signal and network analyzers. We also have a range of noise sources to complete the measurement solution.

Find the Series That's Right for You

Noise Sources

Noise Sources

Range of noise sources for use with the NFA series noise figure analyzer, the X-series signal analyzer, and network analyzer.

NFA Series Noise Figure Analyzers

NFA Series Noise Figure Analyzers

Keysight's NFA series of Noise Figure Analyzers now takes the pain out of complex measurement setups, with their simple but instructive menus.
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Featured Resources

Application Notes 2019.09.30

Fundamentals of RF and Microwave Noise Figure Measurements

Fundamentals of RF and Microwave Noise Figure Measurements

Explore information on RF and Microwave noise figure measurements, starting from the concept of noise figure and noise temperature, describing the noise characteristics of two-ports networks, and highlighting the different methods used to measure noise figure, such as Y-Factor and the Direct Noise measurement method.

2019.09.30

Application Notes 2024.10.08

Noise Figure Measurement Accuracy: The Y-Factor Method

Noise Figure Measurement Accuracy: The Y-Factor Method

This app note discusses the fundamentals of noise figure measurement using Y-factor method and how to avoid noise figure mistakes.

2024.10.08

Application Notes 2024.07.04

10 Hints for Making Successful Noise Figure Measurements

10 Hints for Making Successful Noise Figure Measurements

Noise figure is often the key to characterizing a receiver and to detect weak incoming signals. Learn to minimize uncertainties in your noise figure measurements.

2024.07.04

White Papers 2022.12.26

Three Ways USB Noise Sources Help You Remove Uncertainty in Y-Factor Measurements

Three Ways USB Noise Sources Help You Remove Uncertainty in Y-Factor Measurements

USB noise sources are a fantastic alternative for noise figure measurements because of their ease, reliability, and versatility.

2022.12.26

Technical Overviews 2020.04.02

SNS Series Noise Sources

SNS Series Noise Sources

SNS Series of noise sources work in conjunction with NFA Series noise figure analyzers and X-Series signal analyzers.

2020.04.02

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