5991-4167EN Physical Layer Testing of the USB 2.0 Serial Bus - Application Note c20141006 [10].pdf | | Keysight Technologies
Physical Layer Testing
of the USB 2.0 Serial Bus
Using InfiniiVision 6000 X-Series
and Infiniium Series Oscilloscopes
Application Note
Introduction
The Universal Serial Bus was developed and standardized by a group of leading companies from the
computer and electronics industries in 1995. These companies also formed the USB Implementers
Forum, Inc. (USB-IF) as a non-profit corporation to publish the specifications and provide a support
organization and forum for the advancement and adoption of USB technology.
USB 2.0 Overview
USB 2.0, which includes high-speed (480 Mbps), full-speed (12 Mbps) and low-speed(1.5 Mbps),
is used today in a broad range of computers as well as embedded designs. One example of an
embedded design is the automotive charging and sync USB port available in a variety of newer
vehicles. Beyond traditional PC computers, most other types of electronic products, such as
medical eq |