By using the Anritsu ShockLine™ MS46524B Vector Network Analyzer (VNA) along with the Tektronix® 6 Series MSO oscilloscope, the solution enables engineers to perform robust, standards-based verifications of automotive Ethernet components, including cables and connectors.
Using the Anritsu ShockLine MS46524B 4-port VNA, engineers can perform high-precision S-parameter measurements to evaluate MDI return loss and mode conversion characteristics.
These tests confirm proper impedance matching and help ensure the integrity of differential signals, meeting IEEE compliance requirements. The S-parameter data captured by the VNA is seamlessly transferred to the Tektronix 6 Series MSO oscilloscope, where TekExpress Automotive Ethernet Testing Software—based on the OPEN Alliance TC8 specification—validates the results and generates detailed compliance reports.
A typical setup for measuring MDI return loss and mode conversion loss includes an Ethernet test accessory, the automotive Ethernet device under test (DUT), a reliable common ground connection between the accessory and the DUT, a VNA, phase-stable cables, and calibration kits.
Qualification of the accessory according to OPEN Alliance specifications ensures accurate and repeatable measurements, providing reliable physical layer validation for automotive Ethernet systems.
The Anritsu ShockLine MS46524B VNA offers dynamic range, phase stability, and measurement accuracy for differential S-parameter testing up to 43.5 GHz. The instrument supports SCPI-based remote control, enabling integration into automated production validation and testing workflows. Combined with the MSO 6 Series oscilloscope and TekExpress software, the Anritsu system provides component and cable manufacturers with a flexible and scalable approach to developing high-speed Ethernet-based in-vehicle networks, accelerating the development and certification of next-generation automotive Ethernet systems.
