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© National Instruments Corporation vii SCXI-1141/1142/1143 User Manual
Appendix B
Removing the SCXI-1141/1142/1143 Module
Appendix C
Common Questions
Glossary
Index
Figures
Figure 2-1. Ground-Referenced Signal Connection.................................................2-4
Figure 2-2. Floating Signal Connection...................................................................2-5
Figure 2-3. Ground-Referenced AC-Coupled Signal Connection...........................2-5
Figure 2-4. Ground Offset AC-Coupled Signal Connection....................................2-6
Figure 2-5. Floating AC-Coupled Signal Connection..............................................2-6
Figure 4-1. SCXI-1141/1142/1143 Module Block Diagram ...................................4-2
Figure 4-2. Ideal and Real Lowpass Filter Transfer Function Characteristics ........4-5
Figure 4-3. Real and Ideal Filter Responses to a Step Input Signal.........................4-6
Figure 4-4. Typical Magnitude Response of the SCXI-1141/1142/1143
Module Filters .......................................................................................4-7
Figure 4-5. Typical Passband Responses of the SCXI-1141/1142/1143 Module....4-8
Figure 4-6. Phase Response Characteristics of the SCXI-1141/1142/1143
Module Filters .......................................................................................4-9
Figure 4-7. Phase Error of the SCXI-1141/1142/1143 Module...............................4-10
Figure 4-8. Unit Step Response of the SCXI-1141/1142/1143 Module..................4-11
Figure 4-9. Aliasing of an Input Signal with a Frequency 0.8 Times
the Sample Rate.....................................................................................4-12
Figure 5-1. Typical Program Flowchart for Voltage Measurement Channels.........5-2
Figure A-1. SCXI-1141/1142/1143 Dimensions ......................................................A-5
Figure B-1. Removing the SCXI-1141/1142/1143 Module .....................................B-2