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U7243C USB 3.1 — 5 Gbps and 10 Gbps Transmitter Compliance Software

Data Sheets

Keysight U7243C

USB 3.1 — 5 Gbps and 10 Gbps

Transmitter Compliance Software

For the Infiniium Series Oscilloscopes

Data Sheet

Verify and Debug your USB 3.1 Designs More Easily

Keysight Technologies Inc. U7243C USB 3.1 validation and compliance software provides you with a fast and easy way to verify and debug your USB 3.1 products.

The USB 3.1 transmitter compliance software allows you to automatically execute USB 3.1 transmitter compliance, and it displays the results in a flexible report format. In addition to the measurement data, the report provides a margin analysis that shows how closely your device passed or failed each test.

The U7243C USB 3.1 transmitter compliance software utilizes the prescribed test methods and algorithms as defined in the USB 3.1 rev 1.0 specification and compliance test specification.

By incorporating the USB-IF SigTest utility the U7243C USB 3.1 transmitter compliance software will provide you with consistent lab compliance test results with those generated at USB-IF workshops or test labs that use the stand-alone USB-IF SigTest tool for transmitter compliance verification. The advanced eye pattern and jitter analysis capabilities provided by the SDA electrical test option will allow product developers to quickly perform advanced eye and jitter analysis and debug to the jitter component level.

The USB 3.1 electrical performance validation and compliance software performs a wide range of electrical tests, including both normative and informative requirements, as per the USB 3.1 specification and the USB 3.1 transmitter compliance test specification.

Features

The U7243C USB 3.1 transmitter compliance software offers several features to simplify the validation of USB 3.1 designs:

Automated 1M (Gen 1 (5 Gbps)) or 2M (Gen 2 (10 Gbps)) Unit Interval (or greater) testing for highest accuracy

  • Results consistent with USB-IF SigTest software utility
  • Test setup wizard for ease-of-use
  • Wide range of electrical tests
  • USB Type-C interface control with N7018A Type-C Test Controller
  • USB 3.1 SigTest clock recovery algorithm
  • Automated scope measurement setup
  • Test results report generation
  • Pass/fail margin analysis
  • TP1 eye pattern compliance test mask
  • Gen 1 CTLE (5 Gbps) signal correction for TP1 tests
  • Gen 2 CTLE (10 Gbps) RX EQ transfer function computation
  • Gen 2 SCDx/LBPM tests
  • Gen 2 preshoot/de-emphasis tests

With the USB 3.1 transmitter compliance software, you can use the same oscilloscope you use every day to perform automated testing and margin analysis based on the USB-IF specified tests.

USB 3.1 compliance testing

To pass signal quality testing at a USB-IF-sponsored compliance workshop, your product must successfully pass “Gold Suite” testing, based on the USB-IF SigTest application. The SigTest application tests your device against the minimum signal-quality performance requirements for USB 3.1. If you are developing receivers and transmitters for devices and system motherboards, the USB 3.1 transmitter compliance software helps you execute all the SigTest tests and additional oscilloscope already completed tests.

While SigTest tests provide a good overview of USB 3.1 electrical signal quality, they address only a small subset of the electrical compliance measurements specified in the USB 3.1 specification. The SigTest application also provides minimal reporting capability with pass/fail indication and measurement values, and has limited debugging capabilities to decipher eye mask violations or excessive jitter.

For USB 3.1 measurements, the U7243C software automatically calculates deterministic jitter and total jitter at 10-12 BER. Random jitter is also reported for completeness and a voltage margin “eye” diagram is included in the final HTML report. DJ and TJ values are specified in the USB 3.1 specification and are required for compliance verification.

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