Keysight Technologies Inc. Upgrade from 20 MHz to 50 MHz
The Keysight E4990AU-051 is an official upgrade option for the E4990A Impedance Analyzer, enabling users to extend the frequency range from 20 MHz to 50 MHz. This upgrade allows for broader measurement capabilities, supporting a wider variety of components and materials. The E4990A series is designed for high-precision impedance measurements, and this frequency extension enhances its versatility for R&D and production environments. The upgrade is performed via a software license and may require a firmware update. It is a factory or field-installable option, ensuring flexibility for existing instrument owners.