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National Instruments 4552 Manuals
Manuals and User Guides for National Instruments 4552. We have
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National Instruments 4552 manual available for free PDF download: User Manual
National Instruments 4552 User Manual (136 pages)
NI-DSA Software for Computer-Based Instruments
Brand:
National Instruments
| Category:
Measuring Instruments
| Size: 0.96 MB
Table of Contents
Table of Contents
6
Chapter 1 Introduction to NI-DSA
10
Getting Started with NI-DSA
10
Related Documentation
11
NI-DSA Measurement Modes
11
FFT Analyzer Mode
11
Swept-Sine Analyzer Mode (ni 4551 Only)
12
Octave Analyzer Mode (Optional)
12
Source Mode (ni 4551 Only)
13
Chapter 2 Programming with NI-DSA
14
Basic Concepts
14
Notes for C Programmers
15
Step 1-Initialize
15
C Example
15
Labview Example
15
Notes on Examples
15
Step 2-Configure
16
Labview Example
16
C Example
17
Notes on Examples
17
Step 3-Read
17
Step 4-Control
18
Step 5-Close
18
C Example
18
Labview Example
18
Chapter 3 FFT Mode Programming
19
Step 2-Configure the FFT Analyzer
22
Labview Examples
23
C Examples
23
Baseband FFT Example
23
Zoom FFT Example
24
Notes on Examples
24
Routing
24
Configuring the FFT Engine
25
Setting the Span
25
Averaging
26
Configuring the FFT Settings
26
Step 3-Read FFT Measurements
27
Reading a New Measurement
27
Labview Example
30
C Example
30
Step 4-Control
31
Using Capture Mode to Acquire Time-Domain Data
32
Using Engineering Units
33
Configure Engineering Units
33
C Example
34
Labview Example
34
Chapter 4 Swept-Sine Mode Programming
35
Step 2-Configure the Swept-Sine Analyzer
37
Configuring Inputs
37
Configuring the Source
37
Labview Example
38
C Example
38
Notes on Examples
38
Configuring Harmonics Measurements (Optional)
38
Configuring Custom Frequencies (Optional)
39
Step 3-Read Swept-Sine Measurement
39
Reading a New Measurement
39
Labview Example
41
C Example
41
Step 4-Control
43
Labview Example
44
C Example
44
Source Mode (ni 4551 Only)
45
Step 2-Configure Source
45
Labview Examples
47
C Examples
48
Step 3-Generate Signal
48
Labview Example
48
Chapter 5 Octave Analysis (Add-On) Mode Programming
49
Step 2-Configure the Octave Analyzer
51
Configuring Your Octave and Level Measurement
51
Labview Examples
52
C Example
53
Step 3-Read Octave Measurement
53
Labview Examples
55
C Examples
55
Step 4-Control
57
Chapter 6 Advanced Concepts
58
FFT Analyzer
58
FFT Measurements
59
Dual Channel FFT Analysis
62
Baseband and Zoom Frequency Spans
64
Alias-Free Bandwidth
64
Baseband Spans
65
Classical and Extended FFT Size
65
The Real Time Zoom FFT Process
66
Zoom Spans
66
Zoom Span Characteristics
68
Windowing
69
FFT Averaging
71
Swept-Sine
72
Why Swept-Sine Measurement
72
Swept-Sine Controls and Settings
74
Averaging
74
Sweep Frequency and Auto-Resolution
74
Input Auto-Ranging
75
Source Auto-Level and Ramping
76
Swept-Sine Measurements
77
Cross-Spectrum
77
Frequency Response
77
Spectrum
77
THD - Total Harmonic Distortion
77
Sinad
78
RMS Squared
79
Swept Harmonics
79
Octave Analyzer (Add-On)
80
Octave and Level Analyzers Software Architecture
81
Architecture of the Fractional-Octave Analyzer
81
Exact and Preferred Frequencies
83
Summary of NI-DSA Octave Mode Functions
86
Level Measurements
87
Averaging Modes
89
Linear Averaging
89
Exponential Averaging
91
Equal Confidence Averaging
92
Impulse + Linear Averaging
92
Peak Averaging
92
A-, B-, and C-Weighting
93
Considerations for Octave and Level Measurements
93
Configuration Limits
95
Frequency Ranges
98
Settling Time
98
Overload Detection
99
Appendix A Common Questions
101
FFT Mode
101
FFT Analysis Questions
101
Zoom FFT Analysis Questions
103
Source Mode
105
Swept-Sine Mode
107
Octave and Level Analyzer Mode (Add-On
109
Appendix B
117
Technical Support Resources
117
Glossary
119
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