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Testing the new USB4 Type-C standard cable assemblies requires a series of integrated test parameters corresponding to the incidental and reflective behaviors over a frequency range. The increased bit rates of 80 Gbps to support USB4 protocol bring additional signal integrity challenges, making the test requirements on cables and connectors more stringent. The channel operating margin (COM) and high-speed integrated S-parameter tests include up to 44 sets of S-parameter measurements and execution of USB-IF compliance test tools to verify the results.
Testing USB-C cables using a 4-port vector network analyzer (VNA) can be very manual—calibration, measurement setup, and test execution are time-consuming and prone to user errors. Using modular multiport network analyzers such as PXIe VNA and a switch matrices system capable of handling multiport measurements with compliance test software ensures it meets compliance test requirements and is robust.
How to Test USB-C Cable and Connector Compliance
The most integrated and flexible ENA network analyzer
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Maximum Frequency | 53 GHz |
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VNA Series | ENA |
VNA Type | Benchtop |
How to Test USB-C Cable and Connector Compliance
Use the S94USBCB software to test, debug and characterize your USB Type-C cable and connector designs. The PathWave TAP based test sequencer automates the network analyzer (VNA) for each test and generates a comprehensive HTML report. When run with L8990M switch matrix, it enables 20-ports fully automated test without port re-connection.
Network Analyzer Series |
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How to Test USB-C Cable and Connector Compliance
This application enables enhanced time domain analysis for high-speed data applications.
Network Analyzer Series |
How to Test USB-C Cable and Connector Compliance
Powerful test plan creation and execution
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Additional resources for USB-C cable and connector compliance testing
Ensuring the compliance of the USB4 Type-C standard cables and connectors requires testing the channel operating margin (COM) and high-speed integrated S-parameters. Learn how to perform USB compliance testing based on test specifications set by USB-IF.
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Analyzing the USB4 Type-C link requires oscilloscopes, a link fixture, and protocol triggering and decoding software to debug and optimize the connection. Learn how to establish a high-speed, crosstalk-limited, Type-C link quickly.
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Impedance mismatch characterization in high-speed digital application design and test requires understanding the reflection signals in both the time and frequency domain. Learn how to measure hot S-parameter and hot TDR measurement, including eye diagram, using a network analyzer.
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