Keysight Technologies Inc. PXIe Vector Network Analyzer Directional Coupler
The Keysight M9378A is a PXIe Vector Network Analyzer (VNA) Directional Coupler designed for use with the M937xA PXIe VNA modules. It enables full two-port S-parameter measurements in a compact PXIe form factor, supporting frequencies from 9 kHz up to 26.5 GHz. The M9378A is engineered for high accuracy and repeatability, making it suitable for demanding RF and microwave test applications. It features fast measurement speed, flexible multiport configurations, and seamless integration with PXIe test systems. The coupler is ideal for R&D, manufacturing, and automated test environments requiring precise vector network analysis.