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New doc covers USB Type C cable assembly compliance tests

May 6, 2016 By Andrew Zistler Leave a Comment

keysight_testKeysight Technologies, Inc. has announced the availability of a new Method of Implementation (MOI) document for cable assembly compliance tests defined in Rev. 1.1 of the USB Type-C specification and Rev. 1.0 of the USB Type-C Compliance Test Specification (CTS). The USB Type-C MOI, together with a test package such as Keysight’s state file, works with the M937xA PXIe multiport vector network analyzer to provide the compliance test solution for USB Type-C cable assemblies. This step-by-step guide of measurement procedures for time and frequency domains simplifies compliance setup and testing.

Driven by the demand for more bandwidth, high-speed digital standards continue to evolve to higher data rates. The 10-Gbps USB 3.1 specification delivers more than double the practical data rate compared to the current 5-Gbps USB 3.0. This increase in data rate, results in even tougher requirements for the physical layer to ensure interoperability. One of the measurement challenges for such high-speed digital cable assemblies is to perform the multiport measurements.

Keysight’s M937xA PXIe Multiport VNA provides true multiport measurements with full N-port calibration and an inherent frequency domain measurement capability. For the USB Type-C cable assembly tests, engineers can configure the M937xA to support 12-port measurements—from 300 kHz to 15 GHz—to generate an s12p touchstone file that engineers can analyze using the USB-IF compliance tool. By generating an s12p file using the VNA’s 12-port configuration, the frequency domain measurement time is drastically reduced to just 20 seconds.

Keysight Technologies
keysight.com

Filed Under: Development Tools Tagged With: keysight

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