Anritsu company signal quality analyzer-R MP1900A supports USB4™ receiver tests

07/17/2020

Anritsu Corporation President Hirokazu Hamada announces the USB4™ receiver test solution using the company’s Signal Quality Analyzer-R MP1900A in combination with automation software from Granite River Labs or Teledyne LeCroy to control a connected oscilloscope and implement tests meeting the latest USB4 standards.

The spread of next-generation 5G mobile communications and Internet of Things (IoT) devices is driving development of various new communications and IoT services that are dramatically increasing data volumes. To increase the speed of interfaces handling these large video and data files, smartphones, tablets, and other digital devices are adopting USB Type-C® connectors. The USB Type-C connector supports 20-Gbit/s performance defined by the USB 3.2 specification, which can now be extended to 40-Gbit/s over a USB Type-C connector by implementing the USB4™ specification.

Due to the 40-Gbit/s speed of USB4, the electrical test places heavy emphasis on the Tr/Tf and intrinsic jitter performance of the test signal source because measurement-system noise and jitter cannot be ignored. Additionally, similar to previous USB tests, the test is performed by calibrating the test signal according to the minimum input performance defined by the receiver standards. This assures accurate measurement of device receiver sensitivity. Automation of the BERT and oscilloscope combination is necessary to minimize the workload of signal calibration and optimize test reproducibility.

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