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u8903a
Agilent Technologies u8903a User Manual
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Instrument Configura
tion
3
U8903A User’s Guide
67
Output impedance
The output impedance can be
selected as follo
ws.
Balanced and Common mode: 100
, 600
U
nbalanced: 50
, 600
88
90
Table of Contents
Default Chapter
1
Audio Analyzer
1
Safety Notices
2
Safety Symbols
3
Environmental Conditions
6
Table of Contents
13
List of Tables
21
1 Getting Started
23
Introduction
24
LXI Class-C Compliant Audio Analyzer
26
Product at a Glance
27
Product Outlook
27
Figure 1-1 U8903A Front Panel
27
Table 1-1 U8903A Front Panel Description
27
Figure 1-2 U8903A Rear Panel
29
Table 1-2 U8903A Rear Panel Description
30
Product Dimensions
31
Standard Accessories
32
Optional Accessories
32
Installation and Configuration
33
Initial Inspection
33
Ventilation
33
Rack Mounting
33
Maintenance
34
Fuse Removal/Replacement
34
Power on the U8903A
35
Table 1-3 Power Cord Types
35
Preset
36
Help System
37
Figure 1-3 Help Dialog Information Example
37
2 Operation and Features
39
Test Capabilities
40
Key Features
42
Remote Interface
42
Sweep Function
42
Frequency Domain Analysis
42
Digital Filters
43
Front Panel Operation
44
Mode
44
Figure 2-1 Mode Panel
44
Table 2-1 Mode Panel Key Description
45
Figure 2-2 Generator: Waveform (Sine, Variable Phase, and Dual Sine)
46
Figure 2-3 Generator: Waveform (Noise, DC, Multitone, Square, and Arbitrary) Menu Tree
47
Figure 2-4 Generator: Output Settings, Frequency, Amplitude, and DC Offset Menu Tree
48
Table 2-2 Generator Menu Description
49
Figure 2-5 Analyzer Function Menu Tree
52
Figure 2-6 Analyzer: Units Menu Tree
53
Figure 2-7 Analyzer: Ref/Rel Menu Tree
54
Table 2-3 Analyzer Menu Description
55
Figure 2-8 Frequency and Time Domain Menu Trees
58
Table 2-4 Graph (Frequency/Time Domain) Menu Description
59
Figure 2-9 Sweep Function Menu Tree
60
Table 2-5 Sweep Menu Description
60
Graph Functions
61
Figure 2-10 Graph Panel
61
Run/Stop and On/Off
62
Figure 2-11 Run/Stop or On/Off Option
62
Table 2-6 Graph Panel Key Description
62
Figure 2-12 Channel Selection and Status
63
System
64
Figure 2-13 System Panel
64
Table 2-7 System Panel Key Description
64
Figure 2-14 File Manager Menu for Saving the U8903A State
65
Figure 2-15 File Manager Menu for Recalling the U8903A State
66
Figure 2-16 Analyzer 8-Channel Display
67
Figure 2-17 System Function Menu Tree
68
Table 2-8 System Menu Description
69
Front Panel LCD Display
71
Figure 2-18 Power-Up Display
71
Editing Keys
72
Figure 2-19 Editing Function Keys
72
Table 2-9 Editing Key/Control Description
72
3 Instrument Configuration
75
U8903A Block Diagram
76
Figure 3-1 U8903A Block Diagram
76
Input Settings
78
Figure 3-2 Analyzer Input Settings
78
AC/DC Coupling
79
Figure 3-3 AC/DC Coupling Selection
79
AC Level Detection
80
Figure 3-4 AC Level Detector Selection
80
Digital Filters
81
Figure 3-5 Digital Filter Selection
81
Table 3-1 Filter Selection
81
Figure 3-6 Input Signal Connector Configuration
82
Input Configuration
82
Input Ranging
83
Common Settings
84
Measurement Bandwidth
84
Figure 3-7 Common Settings
84
Measurement Time
85
Figure 3-8 Measurement Bandwidth Selection
85
Figure 3-9 Measurement Time Selection First Page
86
Figure 3-10 Measurement Time Selection Second Page
86
Trigger
87
Figure 3-11 Trigger Settings Selection
87
Output Settings
88
Output Type
88
Figure 3-12 Output Settings
88
Output Impedance
89
4 Audio Generator Functions
91
Audio Generator
92
Figure 4-1 Generator Waveform Selection
93
Figure 4-2 more Generator Waveform Selection
93
Figure 4-3 Sine Waveform Menu
94
Sine Waveform
94
Figure 4-4 Typical Sine Waveform and Parameters
95
Variable Phase Waveform
95
Dual Sine Waveform
96
Figure 4-5 Variable Phase Waveform Menu
96
Figure 4-6 Dual Sine Waveform Selection
97
Figure 4-7 Dual Waveform Menu
97
Figure 4-8 more Dual Sine Waveform Parameters
98
Figure 4-9 SMPTE IMD Waveform Menu
99
Figure 4-10 DFD IEC 60118 Waveform Menu
100
Figure 4-11 DFD IEC 60268 Waveform Menu
101
Figure 4-12 Noise Signal Selection
102
Figure 4-13 Gaussian Noise Signal Menu
102
Noise Signals
102
DC Signal
103
Figure 4-14 DC Signal Menu
103
Figure 4-15 Multitone Waveform Menu
104
Figure 4-16 more Multitone Waveform Parameters
104
Multitone Waveform
104
Figure 4-17 Multitone Waveform Preview
105
Arbitrary Waveform
106
Figure 4-18 Square Waveform Menu
106
Square Waveform
106
Figure 4-19 Arbitrary Waveform Menu
107
Figure 4-20 more Arbitrary Waveform Parameters
107
Figure 4-21 Arbitrary Waveform Preview
108
5 Audio Analyzer Measurement Functions
109
Audio Analyzer
110
Figure 5-1 Analyzer Menu Functions
110
Figure 5-2 Function 1 Selection
111
Audio Analyzer Measurement Functions
111
Figure 5-3 Function 2 Selection First Page
112
Figure 5-4 Function 2 Selection Second Page
113
Figure 5-5 Function 2 Selection Third Page
113
Figure 5-6 Function 2 Selection Fourth Page
114
Measurement Functions
115
Frequency
115
AC Voltage Level (Vac)
115
DC Voltage Level (VDC)
116
THD + N Ratio and THD + N Level
116
Figure 5-7 THD + N Level Measurement
117
Sinad
118
Figure 5-8 THD + N Ratio Measurement
118
SNR and Noise Level
119
Figure 5-9 SINAD Measurement
119
Figure 5-10 SNR Measurement
120
SMPTE Intermodulation Distortion (SMPTE IMD)
121
Figure 5-11 Noise Level Measurement
121
Difference Frequency Distortion (DFD)
122
Figure 5-12 SMPTE IMD Measurement
122
Phase
123
Figure 5-13 DFD Measurement
123
Figure 5-14 Phase Measurement
124
Crosstalk (Channel Driven and Channel Measured)
125
Figure 5-15 Crosstalk: Channel Driven Mode
126
Figure 5-16 Crosstalk: Channel Measured Mode
126
6 Frequency and Time Domain Analysis
127
Frequency Domain and Time Domain
128
Figure 6-1 Frequency Domain Mode
128
Figure 6-2 Time Domain Mode
129
Figure 6-3 Monitor Settings Page
130
Monitor Settings
130
Axis Settings
133
Figure 6-4 Input Settings Page
133
Input Settings
133
Figure 6-5 Axis Settings Page
134
Figure 6-6 Harmonics Display
134
Harmonics Display
134
Graph Functions
135
Peak Search
135
Figure 6-7 Peak Search Menu
135
Marker
136
Figure 6-8 Marker Menu
136
Marker
137
Figure 6-9 Marker Measurement Data Display
137
Full Screen
138
Figure 6-10 Marker -> Menu
138
Figure 6-11 Full Screen
138
7 Sweep Function
139
Sweep
140
Figure 7-1 Sweep Menu First Page
140
Figure 7-2 Sweep Menu Second Page
141
Figure 7-3 Sweep Mode Selection
142
Sweep Mode
142
Figure 7-4 Sweep Settings Page
143
Sweep Settings
143
Figure 7-5 I/O Settings Page
144
I/O Settings
144
Axis Settings
145
Figure 7-6 Axis Settings Page
145
Figure 7-7 List View
146
List View
146
8 Specifications
147
Characteristics
148
Specifications
149
Audio Generator
149
Audio Analyzer
152
Graph Mode
154
Audio Filters
154
Sweep Capability
155
Measurement Category
157
Measurement Category Definitions
157
Index
159
Appendixes
161
Appendix A: SMPTE IMD and DFD Default Settings
162
Appendix B: Arbitrary File Format
163
Appendix C: User-Defined Filter File Format
166
Appendix D: User-Defined Sweep Points File Format
169
Appendix E: Spot Parameters
170
Other manuals for Agilent Technologies u8903a
Quick Start Guide
29 pages
Service Note
2 pages
5
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Agilent Technologies u8903a Specifications
General
Brand
Agilent Technologies
Model
u8903a
Category
Measuring Instruments
Language
English
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