Technical data

Preparing to Take Measurements 2
Notes on USB Electrical Compliance Testing 21
Table 2 Digital Multimeter
TESTS
Equipment Required
Host
Hi-Speed
Hub
Hi-Speed
Device
Hi-Speed
Low/Full
Speed
Agilent 33401A digital multimeter or equivalent. 1111
Mini-clip DMM leads - one each of black and red color. 1111
Table 3 Digital Signal Generator
TESTS
Equipment Required
Host
Hi-Speed
Hub
Hi-Speed
Device
Hi-Speed
Low/Full
Speed
Agilent 81130A Pulse/Pattern Generator with 2 channels of Agilent
81132A (660 MHz) option.
n/a11n/a
1 MB Memory card option for 81130A (option UFJ). n/a 1 1 n/a
6dB attenuator (Agilent 8493C Option 006) – for scaling the DSG output
voltages needed for receiver sensitivity test.
n/a22n/a
50-ohm coaxial cable with male SMA connectors at both ends (Agilent
8120-4948 or equivalent).
n/a22n/a
Agilent 82357B USB/GPIB interface n/a 1 1 n/a
Table 4 Miscellaneous Cables and Devices
TESTS
Equipment Required
Host
Hi-Speed
Hub
Hi-Speed
Device
Hi-Speed
Low/Full
Speed
5 m USB cable (any listed on USB-IF web site). 111as
needed
1.5 m USB cable (any listed on USB-IF web site). 1 1 n/a n/a
1 m USB cable (any listed on USB-IF web site). as
needed
Modular AC power cord. 2 2 2
Hi-Speed USB Hub (any listed on USB-IF web site). 1 n/a n/a
Hi-Speed USB Device (any listed on USB-IF web site). 1 n/a n/a