Keysight Technologies Inc. Upgrade from 500 MHz to 3 GHz
The Keysight E4991BU-301 is an official hardware upgrade option for the E4991B Impedance Analyzer, enabling the instrument's frequency range to be extended from the standard 500 MHz up to 3 GHz. This upgrade is designed and manufactured by Keysight Technologies and allows users to perform impedance measurements over a much broader frequency spectrum, enhancing the analyzer's versatility for advanced component characterization. The E4991BU-301 is installed by authorized service personnel and ensures full compatibility and performance as specified by Keysight. This upgrade is ideal for users requiring high-frequency impedance analysis for research, development, or quality assurance applications.