European test lab broadens compliance testing capabilities

European test lab broadens compliance testing capabilities

Business news |
By Jean-Pierre Joosting

Granite River Labs (GRL), a global leader in compliance test and certification of high-speed digital designs, cables and connectors, and Rohde & Schwarz are broadening their partnership to build up a new European test laboratory in Karlsruhe, Germany, opened in December 2021 by GRL. The ZNB20 vector network analyzer (VNA) from Rohde & Schwarz has been added to the equipment resources of the GRL test lab. With this step, the lab’s range of industry services is being extended to VNA-based measurements for verification, debugging and compliance tests of cable assemblies and connectors for Automotive Ethernet, Automotive SerDes Alliance, USB, HDMI, and many other standards. Further, GRL can provide customer services for accurate test fixture characterization and de-embedding in high-speed digital and RF applications. Last but not least, the ZNB20 also complements the range of offered interface tests based on the RTP164 high-performance oscilloscope with additional tests like return loss and mode conversion measurements as required in host/interface testing.

Customers seeking official certification by the corresponding standards bodies can use the the same Rohde & Schwarz test systems in-house for R&D and pre-compliance testing, before getting their products officially verified and certified by GRL.

The ZNB20 provides powerful tools for test fixture characterization and deembedding. It offers a wide range of measurement results, both in frequency and in time domain, also including transmission line impedance, signal rise time and skew as well as eye diagram and automated mask testing. In combination with the ZNrun compliance automation software, it automates the complete test process from data collection, postprocessing and test report generation. The RTP is based on a real-time signal processing architecture and provides a powerful tool set for verification and debug, including real-time de-embedding, real-time eye diagram, high-speed serial pattern trigger and protocol decoding, as well as an industry leading jitter and noise separation. Utilizing the ScopeSuite Compliance Test framework the instrument executes automated tests for various high-speed digital interfaces with image-based workflow guidance and a comprehensive test report.

Granite River Labs as a leading test house for high-speed digital designs and interconnects offers customer services for compliance test and certification as well as debugging consultancy. Technologies, addressed at its recently opened location in Karlsruhe include Automotive Ethernet (up to 1000BASE-T1 and 2.5G/5G/10GBASE-T1) and USB 2.0 and USB 3.2, as well as HDMI, DisplayPort, MIPI, DDR and others.

Martin Stumpf, segment manager for digital design test at Rohde & Schwarz, says, “Pairing our expertise in test and measurement with the compliance and certification competency of Granite River Labs will help customers bring their products for current and future high-speed digital communications to market more quickly.”

Holger Kunz, President of Worldwide Services for GRL says, “Germany is the leader in innovation in the fields of automotive networking, infotainment, charging, and power management. With this relationship, GRL will be able to combine their deep technical expertise with our own extensive capabilities to support the introduction of next-generation products and solutions.”

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