Universal Serial Bus (USB) Use Cases

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End-to-End USB Type-C Workflow

The Universal Serial Bus Type-C (USB-C) is the most widely adopted interface in today's electronic devices, providing up to 80 Gb/s data rates and dynamic power up to 240 W with USB4 Version 2.0 signaling.

We can help you thoroughly design and test your USB interfaces in accordance with the USB standard to ensure the interoperability of your devices.

USB Type-C®, USB-C® and USB4® are trademarks of the USB Implementers Forum.

USB Design-to-Test Solutions

Select the workflow stage below to learn about Keysight's end-to-end USB design and test solutions.

Design Simulation

Application Notes 2017.11.30

How to Correlate USB Type-C Simulation and Measurement

Upgrading or integrating USB Type-C into a device is complex. Learn how to perform simulation for compliance testing to avoid costly hardware prototyping cycles early.

2017.11.30

Upgrading or integrating USB interfaces into your device is complex. You need to optimize the performance of your designs early in the development process to prevent costly re-design after the first prototype. Design and simulation of a USB interface involves characterization of the clock and data signals for the transmitter, receiver, and channel using various stress signals. We can help you maximize the performance of your USB designs and ensure their compliance with the USB standard.

Transmitter Compliance Testing

How to Test USB4 Transmitter Compliance

Testing a USB4 transmitter requires a high-performance real-time oscilloscope to capture and analyze transmitted patterns. Learn how compliance test software automates the test process and provides test results, like margin analysis, to show how much your device passed or failed each test.

The USB Type-C connection includes four sets of transmit and receive (Tx/Rx) pairs. This enables one, two or all four channels to transfer data simultaneously at any time. USB4 Version 2.0 introduced asymmetrical 80 Gbps data speeds using PAM3 signaling over USB-C. These features and enhancements significantly increase the complexity of USB Tx/Rx conformance testing. Automated compliance test software can help you quickly and accurately validate your USB interfaces.

Cable and Interconnect Testing

How to Test USB-C Cable and Connector Compliance

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.

Several variations of USB cables are used to connect and power devices: USB Type-C, Type-A, Type-B, Micro, Mini, and others. USB has evolved from a simple 4-pin connection for power and data to USB Type-C, which is asymmetrical, reversible, and highly-functional 24-pin connection. We can help you understand how to ensure successful USB Type-C integration into your devices and meet compliance.

Receiver Compliance Testing

How to Test USB4 Receiver Compliance

Testing physical layer (PHY) USB4 electrical performance requires executing conformance tests defined by the Universal Serial Bus Implementers Forum (USB-IF). Learn how to tune and calibrate a bit error ratio tester's (BERT) stress signal amplitude, channel equalization, and insertion loss to achieve accurate stress conditions required for conformance testing.

The USB Type-C connection includes four sets of transmit and receive (Tx/Rx) pairs. This enables one, two or all four channels to transfer data simultaneously at any time. USB4 Version 2.0 introduced asymmetrical 80 Gbps data speeds using PAM3 signaling over USB-C. New equalization and return loss requirements also complicate USB receiver conformance testing. Automated compliance test software can help you quickly and accurately validate your USB interfaces.

USB Power Delivery (USB-PD)

How to Test USB Type-C Power Delivery

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.

USB-C incorporates a dynamic power system called power delivery (USB-PD). USB-PD's intelligent and flexible system-level power management supports bi-directional power that can switch direction for the connected provider (sourcing power) and consumer (sinking power) devices, supporting up to 240W of power delivery. We can help you ensure USB-PD safety, power integrity, efficiency, and interoperability in your devices.