Keysight DSOX4USBSQ/DSOX6USBSQ USB 2.0 Signal Quality Analysis Electrical Test Manual

This manual provides electrical test procedures, equipment requirements, and result‑saving instructions for the Keysight DSOX4USBSQ/DSOX6USBSQ USB 2.0…


Keysight DSOX4USBSQ/DSOX6USBSQ USB 2.0 Signal Quality Analysis Electrical Test Manual - cover page
Brand
Keysight
Category
Other Electronics
Document type
User Manual
Language
Chinese
Pages
90
File format
PDF
File size
2.4 MB
Published
04 October, 2026
Updated
04 October, 2026
MD5 checksum
66A9BD2B9F112D5FA227BA55378FCC08

About this manual

The document describes how to perform electrical testing of the USBSQ USB 2.0 signal quality analysis application on Keysight InfiniiVision 4000/6000 X series oscilloscopes. It covers required hardware, probe connections, test setups, and how to save results as HTML reports.

Chapters include preparation, device testing, host testing, hub upstream and downstream testing, result export, and an appendix on using the SQiDD board as a feed‑through for high‑speed signal detection. This manual is written in Chinese.

What's inside

  • Overview
  • Preparing for Signal Quality Analysis
  • Device Signal Quality Test
  • Host Signal Quality Test
  • Hub Upstream Signal Quality Test
  • Hub Downstream Signal Quality Test
  • Saving Test Results to HTML
  • Using SQiDD as Feedthrough for High‑Speed Signal Detection

Specifications

Required oscilloscope seriesKeysight InfiniiVision 4000/6000 X series
Minimum firmware version3.10 or higher
High‑speed test bandwidth requirement1.5 GHz
Preferred channel count4‑channel oscilloscope

Frequently asked questions

What oscilloscopes are required for the USBSQ signal quality analysis?

You need a Keysight InfiniiVision 4000/6000 X series oscilloscope with firmware version 3.10 or later.

Which bandwidth is needed for high‑speed USB 2.0 signal quality testing?

A 1.5 GHz bandwidth oscilloscope is required for high‑speed testing.

How can test results be saved after a USBSQ analysis?

The detailed test results can be saved as an HTML report file.

Download PDF (2.4 MB)

More Keysight Manuals


View all Keysight manuals →