Data Sheets
Easily Verify USB Electrical Parameters
The N5416A USB compliance test software for Infiniium oscilloscopes gives you a fast and reliable way to verify USB electrical specification compliance for your USB 2.0 devices, hosts and hubs. The software executes the official USB-IF software, USBET20 embedded in the oscilloscope.
With USB compliance test software, you can take the Infiniium oscilloscope you use for everyday debugging and use it to verify USB electrical parameters with the same testing scripts the USB-IF created for official compliance testing at designated workshops. The USB compliance test software has a new setup wizard that allows you to quickly and easily test all facets of electrical compliance of your device, host or hub. The setup wizard menu structure of the N5416A USB test option provides a level of simplicity not found with other vendors multi-tiered menu structures for executing tests and documenting results.
Low-, full- and high-speed tests require compliance with signal quality, inrush current, droop, drop, and backdrive voltage tests. Hi-speed USB requires compliance with an additional suite of tests. These tests are provided by the USB compliance test software. Tests can be executed directly from the scope interface under the Analyze menu.
Benefits
In the past, pre-compliance testing in a lab environment involved capturing data with an oscilloscope, transferring it to a PC and post-processing it with a software program. Keysight Technologies, Inc. has simplified the process by installing a run-time version of MATLAB software in the scope and integrating the USB test option into the Infiniium oscilloscope’s menu structure.
Once the test is executed, the test results appear on the Infiniium display in an HTML-formatted window.
Each test also automatically saves the PNG, HTML, and TSV files required by the USB-IF. The higher data rates associated with hi-speed USB 2.0 demand a measurement system that will not interfere with your device/host/hub operation by loading the system. The award-winning InfiniiMax probing system, which is compatible with Infiniium oscilloscopes, provides unmatched signal fidelity – ensuring your measurement system does not load the signals under test – so it does not compromise the specification margins for passing the electrical signal quality tests. The InfiniiMax probing system has been approved by the USB-IF for compliance testing. The set of six high-speed test fixtures are highly manageable in a test environment due to their small size. The six fixtures allow you the flexibility to run different tests concurrently when you have more than one host, hub, or device to verify for compliance.
Automation
You can completely automate execution of your application’s tests and Add-Ins from a separate PC using the included N5452A Remote Interface feature. You can even create and execute automation scripts right inside the application using a convenient built-in client.
The commands required for each task may be created using a command wizard or from “remote hints” accessible throughout the user interface. Using automation, you can accelerate complex testing scenarios and even automate manual tasks such as:
Combine the power of built-in automation and extensibility to transform your application into a complete test suite executive:
Recommended Test Equipment
The N5416A USB test option requires an Infiniium 4-channel or 4+16 channel oscilloscope. To run hi-speed USB
compliance tests, you will need E2649A/ E2649B fixtures. For low/full-speed tests, you will need a E2646B SQuIDD test fixture.
No fixtures are supplied with the N5416A software. One SQuIDD test fixture must be ordered separately as part number E2646B (for low- and full-speed testing). A set of six high-speed test fixtures for signal quality, receiver sensitivity, TDR, and host disconnect must be ordered separately as part number E2649B.
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