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Tektronix TDSUSB2 User Manual
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Application
Examples
T
ypical
Equipment
Setup-Chirp
TDSUSB2
application
TDSUSBF
compliance
test
fi
x
ture
(Revisi
on
B)
T
wo
P6245
or
P6243
or
TDP1500
or
TDP3500
or
T
AP1500
single-ended
probes
T
ypical
Equipment
Setup-Chirp
T
ypical
Equipment
Setup-Chirp
The
section
used
for
this
device
test
is
Device
SQ
in
the
test
fi
xture.
T
o
set
up
the
equipment
for
the
Chirp
test,
follow
these
steps:
11
8
TDSUSB2
Universal
Serial
Bus
Measurements
Package
129
131
Table of Contents
Default Chapter
5
Table of Contents
5
Generalsafety S Ummary
13
General Safety Summary
13
Introduction
15
Welcome to the TDSUSB2 Universal Serial Bus Measurements Package
15
Online Help and Related Documentation
16
Printing from the Online Help
16
Conventions
17
Related Documentation
17
Feedback
18
Getting Started
21
Introduction and Product Description
21
Compatibility
22
Requirements and Restrictions
22
Accessories
22
Setting up the Instrument to Take Measurements
23
Installing the Application
24
Deskewing the Probes and Channels
24
Deskewing Probes and Channels on the Supported Instruments
25
Operating Basics
31
About Basic Operations
31
Application Interface
31
Application Interface Menu Controls
32
Using Basic Oscilloscope Functions
32
Minimizing and Maximizing the Application
33
Application Directories and File Names
33
File Name Extensions
34
Returning to the Application
34
Exiting the Application
34
Description of the Test Fixture
35
Setting up the Device Details
36
Setting up the Software
37
Setting Preferences
37
Table of Measurements and Options
40
Selecting a Measurement
42
Signal Quality Check
44
Inrush Current Check
45
Droop Measurement
46
Receiver Sensitivity Measurement
46
Chirp Measurement
47
Monotonic Property
48
Configuring a Measurement
48
Configure Limits
49
Configuring Signal Quality Measurements
49
Configuring Inrush Current Measurements
50
Configuring Droop Measurements
50
Configuring Receiver Sensitivity Measurements
51
Configuring Chirp Measurement
52
Configuring Resume Measurement
53
Configuring Suspend Measurement
54
Configuring Reset from Suspend Measurement
55
Configuring Packet Parameter Measurement
56
Packet Parameter Measurement
58
Suspend Measurement
58
Resume Measurement
59
Reset from Suspend Measurement
60
Reset from High Speed Measurement
61
Acquiring Data
61
Control Menu Options
63
Viewing Results
64
Generating Reports
68
Viewing Reports
70
TSV File Generator
70
How to Save and Recall a Setup
71
Saving a Setup
72
Recalling a Saved Setup
72
Recalling the Default Setup
73
Recently Saved Setup
73
Recently Recalled Setup
74
Introduction to the Tutorial
75
Starting the Application
75
Recalling a .Tsv File
75
Taking a Full Speed Signal Quality Measurement
75
Taking a Low Speed Inrush Current Measurement
76
Taking a High Speed Signal Quality Measurement
77
Taking a Low Speed Signal Quality Measurement
78
About Application Examples
79
Specifying the Equipment-Full Speed Signal Quality Downstream Tests
79
Typical Equipment Setup-Full Speed Signal Quality Downstream Tests
79
Selecting and Configuring Measurements-Full Speed Signal Quality Tests
80
Viewing Results-Full Speed Signal Quality Tests
82
Generating Reports-Full Speed Signal Quality Tests
83
Specifying the Equipment-Low Speed Droop Tests
83
Typical Equipment Setup-Low Speed Droop Tests
83
Selecting and Configuring Measurements-Droop Tests
85
Viewing Results-Droop Tests
86
Generating Reports-Droop Tests
86
Specifying the Equipment-Full Speed Signal Quality Tests for Upstream Testing
87
Typical Equipment Setup-Full Speed Signal Quality Tests for Upstream Testing
87
Selecting and Configuring Measurements-Full Speed Signal Quality Tests for Upstream Testing
88
Viewing Results-Full Speed Signal Quality Tests for Upstream Testing
90
Generating Reports-Full Speed Signal Quality Tests for Upstream Testing
90
Specifying the Equipment-Full Speed Inrush Current Test
90
Typical Equipment Setup-Inrush Current Test
91
Selecting and Configuring Measurements-Inrush Current Test
92
Viewing Results-Inrush Current Test
93
Generating Reports-Inrush Current Test
93
View Inrush Measurements Report in CSV Format
94
High Speed Report in Tektronix Format
95
View Procedural Steps from the Application
95
View Waveform Plot for Signal Quality Check High Speed Devices
98
View Chirp Measurement Results
98
Specifying the Equipment-Signal Quality Tests for High Speed Devices for Upstream Testing
99
Tutorial
75
Applicationexamples
79
Typical Equipment Setup-Signal Quality Tests for High Speed Devices for Upstream Testing
99
Testing
100
Viewing Results-Signal Quality Tests for High Speed Devices for Upstream Testing
101
Generating Reports-Signal Quality Tests for High Speed Devices for Upstream Testing
102
Specifying the Equipment-Packet Parameter Measurement
102
Selecting and Configuring Measurement-Packet Parameter Measurement
103
Viewing Results-Packet Parameter Measurement
104
Generating Reports-Packet Parameter Measurement
105
Specifying the Equipment-Resume Measurement
108
Typical Equipment Setup-Resume Measurement
109
Selecting and Configuring Measurement-Resume
110
Viewing Results-Resume Measurement
110
Generating Reports-Resume Measurement
111
Specifying the Equipment-Reset from Suspend Measurement
113
Typical Equipment Setup-Reset from Suspend Measurement
113
Selecting and Configuring Measurement-Reset from Suspend Measurement
114
Viewing Results-Reset from Suspend Measurement
115
Generating Reports-Reset from Suspend Measurement
117
Specifying the Equipment-Suspend Measurement
118
Typical Equipment Setup-Suspend Measurement
119
Selecting and Configuring Measurement-Suspend Measurement
120
Viewing Results-Suspend Measurement
120
Generating Reports-Suspend Measurement
122
Specifying the Equipment-Reset from High Speed Measurement
123
Typical Equipment Setup-Reset from High Speed Measurement
124
Selecting and Configuring Measurement-Reset from High Speed Measurement
125
Viewing Results -Reset from High Speed Measurement
126
Generating Reports-Reset from High Speed Measurement
128
Specifying the Equipment-Chirp
129
Typical Equipment Setup-Chirp
130
Selecting and Configuring Measurement-Chirp
132
Viewing Results-Chirp
132
Generating Reports-Chirp
134
View High Speed Measurement Plug-Fest SpecifiC Format
137
View Full Speed Measurements Report in Plug-Fest SpecifiC Format
138
View Signal Quality Check Eye Diagram
139
View Signal Quality Check Waveform Plot
140
View the Report for Full Speed Measurements
141
View Inrush Results Details
141
View Waveform Plot for Full Speed Signal Quality Check Measurements
142
View Signal Quality Check Details
142
View Eye Diagram for Full Speed Signal Quality Check Measurements
143
View Eye Diagram for High Speed Measurements
143
View Waveform Plot for High Speed Measurements
144
View Signal Quality Check Results Details
145
View Sample Report File for Inrush Current Check
146
R-Gpibcommands
147
About the R-GPIB Program
147
R-GPIB Reference Materials
147
Introduction to R-GPIB Commands
147
Guidelines to R-GPIB Programming
148
Launching the Application Using R-GPIB
148
Variable: Value Command
148
Variable: Value TDSUSB2 Command Arguments and Queries-Application
149
Variable: Value TDSUSB2 Command Arguments and Queries- Sequencer
149
Variable: Value TDSUSB2 Command Arguments and Queries-Confirm Waveform
149
Variable: Value TDSUSB2 Command Arguments and Queries-Save/Recall
150
Variable: Value TDSUSB2 Command Arguments and Queries- Report Generation
150
Variable: Value TDSUSB2 Command Arguments and Queries- Results
151
Sample Program
154
Reference
163
Shortcut Keys
163
USB2.0 Specifications
163
Error Codes and Warnings
166
Settings for the Supported Instruments
174
About Application Parameters
178
File Menu Parameters
179
Save and Recall Menu Parameters
179
Preferences Parameters
180
Measurement Menus
180
Measurement Parameters
180
Configure Menu
182
Configure Signal Quality Measurements Parameters
182
Configure Inrush Current Measurement Parameters
183
Configure Droop Test Parameters
183
Configure Receiver Sensitivity
184
Configure Suspend, Reset from High Speed, Resume, Reset from Suspend
184
Configure Packet Parameter
184
Configure Chirp
185
Results Menus
185
Utilities Menus Utilities Menus
185
Deskew
185
Report Generator Menu Parameters
186
TSV File Generator Menu Parameters
186
Help Menu
186
Control Menu Parameters
186
About Measurement Algorithms
187
Cross-Over Voltage for Low Speed and Full Speed Signals
187
Cross-Over Voltage for High-Speed Signals
189
Signal Rate
190
EOP Width Calculation
191
Consecutive and Paired Jitter
192
Eye Diagram
193
Eye Violation
193
Inrush Current
194
Droop Test
195
Receiver Sensitivity Test
195
Chirp Test for a Device
196
Host Chirp Test
197
Monotonic Property Test
197
Rising Edge Rate
198
Falling Edge Rate
198
Packet Parameter
199
Resume
199
Suspend
200
Reset from Suspend
201
Reset from High Speed
202
Low Speed Downstream Signal Quality Host Equipment Setup
202
Low Speed Signal Quality for HUB Downstream
203
Full Speed Signal Quality HUB Downstream Setup
204
Full Speed Downstream Host Equipment Setup
205
Full Speed Upstream Signal Quality Setup
206
High Speed Device Signal Quality Setup
208
Chirp Test Equipment Setup
208
Receiver Sensitivity Setup
210
Inrush Setup
210
Resume Test Equipment Setup
211
Reset from Suspend Test Equipment Setup
212
Suspend Test Equipment Setup
213
Reset from High Speed Test Equipment Setup
214
Packet Parameter Test Equipment Setup
215
Glossary
225
Index
229
5
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Tektronix TDSUSB2 Specifications
General
Brand
Tektronix
Model
TDSUSB2
Category
Measuring Instruments
Language
English
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