Technical data
DSOX4USBSQ USB 2.0 Signal Quality Analysis Application Electrical Testing Notes 85
Index
Numerics
01131-68703 header adapter, 10
4000 X-Series oscilloscopes, 8
A
at a glance, 3
B
bandwidth (oscilloscope) requirements, 8
C
cables, USB, 15
calibrate probes, 17
calibration, 17
channel pairs, 21, 28, 34, 41, 46, 50, 55, 60,
67, 72, 76
common ground reference, 13
compensate passive probes, 17
compliance test packets, device full speed, 31
compliance test packets, device hi-speed, 26
compliance test packets, device low speed, 36
compliance test packets, host hi-speed, 44
compliance test packets, hub downstream
hi-speed, 71
compliance test packets, hub upstream full
speed, 63
compliance test packets, hub upstream
hi-speed, 59
compliance testing, additional equipment and
set up, 16
computer, high-speed electrical test bed, 16
connection, device full speed, 30
connection, device hi-speed, differential
probe, 24
connection, device hi-speed, SMA cables, 25
connection, device low speed, 35
connection, host full speed, 48
connection, host hi-speed, differential
probe, 43
connection, host hi-speed, SMA cables, 44
connection, host low speed, 52
connection, hub downstream full speed, 74
connection, hub downstream hi-speed,
differential probe, 69
connection, hub downstream hi-speed, SMA
cables, 70
connection, hub downstream low speed, 78
connection, hub upstream full speed, 62
connection, hub upstream hi-speed, differential
probe, 57
connection, hub upstream hi-speed, SMA
cables, 58
D
decode and triggering, USB2.0, 8
device full speed signal quality test, 28
device hi-speed signal quality test, 20
device low speed signal quality test, 33
device signal quality testing, 19
devices, USB, 15
differential probe connection, 12
DSOX4USBFL USB 2.0 Full/Low-Speed
triggering and decode, 8
DSOX4USBH USB 2.0 Hi-Speed triggering and
decode, 8
DSOX4USBSQ USB 2.0 Signal Quality Analysis
application, 8
E
E2646A/B SQiDD board, 10
E2646A/B SQiDD test fixture, 83
EHCI driver stack, 16
electrical test bed computer, 16
equipment required, 7
F
far-end, 21, 41, 55, 67
firmware version (oscilloscope) requirements, 8
fixture, Full/Low Speed signal quality test, 10
fixtures, Hi-Speed signal quality test, 9
G
ground reference, common, 13
H
header adapter, 01131-68703, 10
high-speed electrical test bed computer, 16
High-Speed Electrical Test Tool Kit software, 16
host full speed signal quality test, 46
host hi-speed signal quality test, 40
host low speed signal quality test, 50
host signal quality testing, 39
hub downstream full speed signal quality
test, 72
hub downstream hi-speed signal quality
test, 66
hub downstream low speed signal quality
test, 76
hub downstream signal quality testing, 65
hub upstream full speed signal quality test, 60
hub upstream hi-speed signal quality test, 54
hub upstream signal quality testing, 53
N
N2750A Series InfiniiMode probe, 83
near-end, 21, 41, 55, 67
notices, 2
O
oscilloscope requirements, 8
oscilloscope, software, and accessories, 8
overview, 3
P
passive probes, compensating, 17
prerequisites, 7
probe requirements, 12
probes, calibrating, 17
R
required equipment and software, 7
requirements, probe, 12
S
saving test results, 81
SMA cable connection, 13
SQiDD board, 10
T
test bed computer, high-speed electrical, 16
test fixtures, USB electrical, 9
test results, saving, 81
trademarks, 2
triggering and decode, USB2.0, 8
U
USB cables used in testing, 15
USB devices used in testing, 15