Keysight Technologies Inc. Noise figure measurements
The Keysight N9951BU-356 is a software license option for the FieldFox Handheld Analyzers, specifically enabling noise figure measurement capabilities. This option allows users to perform noise figure and gain measurements on amplifiers, mixers, and other devices directly in the field using the FieldFox platform. The N9951BU-356 supports a wide frequency range, leveraging the analyzer's hardware, and provides features such as Y-factor method, automatic uncertainty calculation, and compatibility with Keysight's noise sources. It is designed to deliver accurate, repeatable results and integrates seamlessly with the FieldFox user interface for efficient workflow.