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Testing physical-layer (PHY) USB4 receivers for conformance or compliance requires a USB4 testbed comprised of a BERT, high-bandwidth oscilloscope, receiver test application software, and a USB4 microcontroller test module. The application software automates measurement and test case execution as specified in the USB4 Electrical Compliance Test Specification, as defined by the Universal Serial Bus Implementers Forum (USB-IF).
Precision testbed calibration is required to ensure the device under test passes conformance specification. This requires optimizing the transmitter equalizer and then finely calibrating the bit error ratio tester's (BERT) stress signal using a high-performance oscilloscope. During the receiver test, the BERT injects the stress signals on the lane under test. The test automation software and a USB4 microcontroller test module are used to perform the BER test, which validates whether or not the device under test exceeds the allowance defined by the USB compliance test specification.
How to Test USB4 Receiver Compliance
Advanced Signal Integrity Software (EQ, InfiniiSimAdv, Crosstalk)
Debug & Analysis Software | Null |
Connectivity & Usability Software | Null |
Compliance Test Applications | Null |
Select Oscilloscope Series | Null |
Software Type | Null |
Applications | Null |
Compatible Instruments | Null |
How to Test USB4 Receiver Compliance
Use the USB 4 software to test, debug and characterize your designs. It automates the oscilloscope for each test and generates a HTML report. The software reports the margin analysis with pass or fail status.
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Connectivity & Usability Software |
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Compliance Test Applications | USB |
Select Oscilloscope Series |
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How to Test USB4 Receiver Compliance
The M8040A high performance BERT covers all flavors of 400 GbE standards testing with support for PAM4 and NRZ signals and data rates up to 64 GBaud
Standards |
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Max Sample Rate | 64.8 GBd |
Module Type |
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Amplitude | 0.9 Vpp @ 58 GBd |
Clock data recovery built-in | Yes w/ adj loop bandwidth (16 MHz max) |
Equalizer |
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FEC |
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Jitter Type |
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Line Coding |
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Link Training |
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Max. Sampling Rate | 64.8 GBd |
Max. Sampling Rate | 64.8 GBd |
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How to Test USB4 Receiver Compliance
Maximize the usage of your test instruments with a fast and reliable application to automate system calibration and USB4 receiver compliance tests.
How to Test USB4 Receiver Compliance
The UXR0334A is the 33 GHz, 4 channel, Infiniium UXR-Series real-time oscilloscope.
Bandwidth | 33 GHz |
Max Memory Depth | 2 Gpts |
Max Sample Rate | 128 GSa/s |
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Additional resources for automated USB4 receiver compliance testing
Verifying Peripheral Component Interconnect Express (PCIe) 5.0 transmitter compliance involves physical layer signal quality and transmitter equalization testing using a high-bandwidth oscilloscope. Learn how to quickly test for compliance using an automated PCIe 5.0 test solution.
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Testing the USB Type-C power delivery module requires monitoring the CC lines with a 300 kHz signal and measuring the generated voltage and currents. Learn how you can analyze the resulting eye diagram with an oscilloscope to ensure the dynamically variable power provided by USB Type-C power delivery achieve compliance.
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Accelerating high-speed digital compliance test requires offloading data processing and reporting to external high-performance servers. Learn how to attain compliance results faster by offloading data processing from your oscilloscope onto high-performance computing resources that process data in parallel.
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