Keysight Technologies Inc. Upgrade from 50 MHz to 120 MHz
The Keysight E4990AU-123 is an official upgrade option for the E4990A Impedance Analyzer, enabling users to extend the instrument's frequency range from 50 MHz to 120 MHz. This upgrade allows for broader measurement capabilities, supporting a wider variety of components and materials that require higher frequency analysis. The E4990AU-123 is designed and tested by Keysight to ensure seamless integration and optimal performance with the E4990A platform. This upgrade is ideal for users who need to expand their test coverage for advanced impedance measurements in research, development, or production environments.