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© National Instruments Corporation vii NI 5620 User Manual
Contents
Chapter 1
Taking Measurements with the NI 5620
Installing the Software and Hardware ...........................................................................1-1
Acquiring Data with Your NI 5620...............................................................................1-2
Programmatically Controlling Your NI 5620..................................................1-2
Safety Information.........................................................................................................1-2
Chapter 2
Hardware Overview
How the NI 5620 Works................................................................................................2-1
Connecting Signals..........................................................................................2-2
Conditioning the Signal—Impedance, Dither, Gain, and AC Coupling.........2-3
Input Impedance................................................................................2-3
Dither ................................................................................................2-3
Digitizing the Signal—The ADC....................................................................2-3
Incorporating the DDC....................................................................................2-4
Storing Data in Memory..................................................................................2-4
Block Diagram...............................................................................................................2-5
Other Features................................................................................................................2-6
Multiple-Record Acquisitions .........................................................................2-6
Triggering........................................................................................................2-7
Calibration .....................................................................................................................2-7
Synchronizing Multiple PXI Devices............................................................................2-8
Appendix A
Specifications
Appendix B
Technical Support Resources
Glossary
Index