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U4611A/B USB 2.0/3.0 Protocol Analyzer

Data Sheets

Overview

For today’s USB developers and integrators, ensuring that their design is compatible with the ever growing number of USB devices is a difficult task. Traditionally, those needing to capture large amounts of traffic have been faced with limited trace buffers, long waits to view the data, slow searches, and slow saving. With USB 3.0 designs moving past basic functionality, USB designers are working on getting the optimum performance from new and existing USB devices. MegaZoom™ technology analyzes the USB operations in real-time with full operational performance views. The Keysight U4611A/B USB Protocol Analyzer overcomes limitations with its ability to provide an instant display of the captured data, even at the full available trace capture depth of 18 GB. Trace data is transferred to the host computer by either Hardware Accelerated Gigabit Ethernet (up to 70 MB/s) or PCI Express (up to 550 MB/s), making full depth data available for analysis with little or no waiting. For example, a histogram of the full 18-GB trace can be obtained in 15 seconds. Pre-indexed and compressed trace data is displayed and can be analyzed with multiple processors.

Find USB Problems Faster With MegaZoom

  • MegaZoom technology in the U4611A and U4611B delivers the tools that you need quickly analyze massive amounts of data and drill into the detail you need.
  • MegaZoom delivers up to 18 GB of deep memory data capture, without the sluggish response times and complex user interfaces that users had to tolerate with traditional analyzers.
  • Thanks to patented indexing techniques performed in proprietary FPGA designs, MegaZoom is able to fully analyze the 5 Gbps bi-directional data of USB 3.0 in real time.
  • Results are displayed in seconds and provide instant access to all of the events in the capture with a single click.
  • MegaZoom is not a special mode-it performs at full bandwidth in every capture, regardless of additional triggers and analysis performed by the analyzer.

USB has truly delivered on the promise of being a universal connection for electronic devices. Starting with low-speed human interface devices like mice and keyboards, it has now been adopted as a default connection for external disk drives and adapters for high speed networks. This places greater demand on optimizing the performance of the connection.

The Keysight U4611A USB protocol analyzer supports complete time correlated analysis to allow you to find those difficult-to-find problems that affect the operation and performance of your USB implementations, starting with graphical displays containing performance and error counters that show exactly what has occurred on the USB link and continuing through to a 18-GB packet capture.

Data throughput is supported by the operation of the lower levels of the protocol to maintain link integrity and reduce power consumption. The ability to find and zero in on these events is critical to understanding the link operations.

The high-speed trace capture and display capabilities of the U4611A/B Protocol Analyzer are the product of a total system development process that encompasses all elements of USB testing, starting with the analyzer’s memory and extending to the communication link to the computer hosting the application.

The Keysight U4611A/B also features easy triggering with the Keysight USB SuperSpeed Protocol Analysis software. In addition, pre- and post-filtering, textual search and sequence search, and many different displays of the captured traffic to bring specific points of interest into focus with this software interface.

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