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USB4 Transmitter Compliance Test
Fully-automated USB4 transmitter compliance test made easy
USB4 Transmitter Compliance Test to USB-IF Standards
The USB4 standard doubles the bit rate of USB 3.2 to 40 Gbps with support for two 20 Gbps physical layer (PHY) lanes. A single USB Type C port handles multiple data communication protocols at once. All USB products need USB-IF authorized compliance testing for USB4 certification, which tells consumers their USB C products will work together seamlessly.
The increased bit rates bring more potential for transmitter errors, so testing USB4 devices is more challenging than prior generations. Testing a USB4 transmitter requires the device under test (DUT) to transmit test patterns. A high-performance real-time oscilloscope captures these patterns and analyzes them.
Doubling the PHY bit rate to 40 Gbps introduces additional signal integrity challenges. Signals are transferred on all four high-speed pairs at the same time, increasing the near-end and far-end crosstalk. In addition, new jitter, phase, and slew rate measurements further complicate testing. Short channel and long channel test cases each need additional test setups.
Need to bring a USB host or device to market?
Quickly Validate your Design with Automated and Accurate Testing
Have issues meeting the USB-IF compliance test specs?
Automatically Generate Test Reports and Analysis of DUT Performance
Automated USB4 Transmitter Compliance Test Solution
Keysight's automated USB4 transmitter test simplifies the time consuming and error-prone process of configuring and testing a device's compliance to the USB4 standard. This solution comprises the USB4 transmitter compliance test automation software, two waveform analysis software packages, and a UXR-Series oscilloscope on which the software runs.
Additional Resources on USB4 Testing
Reference Guides 2022.02.01
Methods of Implementation, D9040USBC USB4 Compliance Test Software
Programming Guides 2022.02.25
Remote Programmer's Reference, D9040USBC USB4 Compliance Test Software
White Papers 2022.11.01
How to Test and Troubleshoot USB4
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