USB testing for USB design and compliance

USB compliance testing for interface and interconnect

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USB interface and interconnect compliance testing

Verification, debugging and USB compliance testing

Universal Serial Bus (USB) was released in 1996 and since its inception has been a dominant standard in consumer electronics. USB is primarily used to connect peripherals and transfer data between devices. Since it is a bi-directional communication standard data can flow in either direction thus making USB versatile for many applications.

There are several USB versions, most popular are USB4, USB3.2 and still USB2.0. There is a requirement by the USB standard for backwards compatibility of devices, this means legacy tests are still crucial in the design and validation of future products.

Rohde & Schwarz (R&S) provides extensive high-speed USB testing solutions. For USB Interface testing R&S has solutions for USB 2.0 Transmitter (Tx) and Receiver (Rx) testing, USB3.2 Compliance test for Tx and Rx. For USB cable and connector compliance test R&S has solutions for USB4 and USB3.2.

A key element of USB compliance testing is utilizing the right tools; all R&S test solutions are USB-IF certified. Test with confidence with the R&S solutions, whether the test is for USB Type-A, USB Type-B, or USB Type-C compliance testing R&S has a proven solution.

USB interface testing challenges

USB compliance testing for Transmitters (Tx) presents several challenges that can complicate the verification process:

  • Time-consuming test setup: Manually setting up a compliance testing can be a lengthy process and be prone to error.
  • Hardware and software requirements: Identifying the necessary hardware, software and accessories for effective testing can be complex and confusing.
  • Source output configuration: Properly configuring the USB Device Under Test (DUT) source output is critical for compliance testing but can be challenging to manage.
  • Embedding and equalization operations: Effectively operating embedding and equalization settings requires a deep understanding of the technology and its implications on signal integrity.
  • Root cause analysis for compliance failures: When compliance tests fail, conducting a thorough root cause analysis to identify and resolve issues can be a daunting task.

USB interface testing solution

Rohde & Schwarz offers a USB-IF approved testing solution to address the challenges of USB Transmitter compliance testing. Our solution includes transmitter testing for USB 3.2 Compliance testing and USB2.0 Compliance testing.

Our solutions for transmitter testing:

  • Certified USB interface testing
  • The powerful R&S®RTP oscilloscope and USB Scope Suite for compliance verification automation software simplifying the complex challenges of testing
  • USB debug and validation tools such as advanced eye and advanced jitter analysis, offer deeper insights into device performance when the need to debug arises.

Benefits of our USB interface testing solution

Rohde & Schwarz ensures USB-IF certification with comprehensive systems for automated USB testing.

Other benefits include:

  • Advanced automation: R&S®ScopeSuite test automation software simplifies the testing process, minimizes human error and enhances repeatability.
  • In-depth analysis tools: Advanced analysis features, such as eye diagram and jitter analysis, allow engineers to gain deeper insights into device performance.
  • Detailed documentation and global customer support

Discuss your USB interface testing needs with our experts.

USB interconnect testing challenges

USB Cable testing for compliance presents several challenges that can complicate the verification process:

  • Time-consuming calibration: Manual calibration and compliance testing can be a lengthy process.
  • Test configuration: Configurating tests per the Compliance Test Specification for compliance testing
  • Hardware and software requirements: Identifying the necessary hardware, software and accessories for effective testing can be complex and confusing.

USB interconnect testing solution

Rohde & Schwarz offers a comprehensive solution to address the challenges of USB cable compliance testing. Our offerings include cable testing for both USB4 and USB3.2. The testing is done with our powerful Vector Network Analyzers (VNAs) such as the R&S®ZNB3000 or our multi-port R&S®ZNBT .

Our solutions for cable testing:

  • USB-IF approved cable test solutions enable compliance to the latest standards on USB4 data rates.
  • Easy to read Method of Implementations (MOIs) give guidance in conducting the test
  • Reduce test times with the R&S®ZNBT multiport or an OSP switch matrix by allowing measurements to be made without the need to disconnect and reconnect test cables on the test point adapter (TPA)

Benefits of our USB interconnect testing solutions

Rohde & Schwarz ensures USB-IF certification with comprehensive systems for USB Cable and Connector tests

Other benefits include:

  • Method of Implementation: this detailed document explains exactly what you need, how to do each test, and the pass/fail criteria for each test.
  • In-depth analysis tools: such as the extended time domain analysis option (K20) allowing for a simulated eye diagram to be used to show what an eye would look like going through the cable under test.
  • Support for the latest standards: Solutions keep pace with the latest USB standards and its associated data rates.
  • Detailed documentation and global customer support

Discuss your USB interconnect testing needs with our experts.

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