National Instruments NI 5620 - Manuals

Conventions The following conventions are used in this manual: < > Angle brackets that contain numbers separated by an ellipsis represent arange of values associated with a bit or signal name—for example,DBIO<3..0>. » The » symbol leads you through nested menu items and dialog box option...

© National Instruments Corporation vii NI 5620 User Manual Contents Chapter 1Taking Measurements with the NI 5620 Installing the Software and Hardware ........................................................................... 1-1Acquiring Data with Your NI 5620 ........................................

© National Instruments Corporation 1-1 NI 5620 User Manual 1 Taking Measurementswith the NI 5620 Thank you for buying a National Instruments (NI) 5620 digitizer.This chapter provides information on installing, connecting signals to,and acquiring data from the NI 5620. The NI 5620 has the following f...

Chapter 1 Taking Measurements with the NI 5620 NI 5620 User Manual 1-2 ni.com Acquiring Data with Your NI 5620 You can acquire data programmatically either by writing an application foryour NI 5620 or using one of the examples that ships with NI-SCOPE. Programmatically Controlling Your NI 5620 To he...

© National Instruments Corporation 2-1 NI 5620 User Manual 2 Hardware Overview This chapter provides an overview of the features and functionality of theNI 5620. How the NI 5620 Works A signal follows this path through the NI 5620 to your host computer: 1. The signal enters the NI 5620 through the a...

Chapter 2 Hardware Overview NI 5620 User Manual 2-2 ni.com Connecting Signals Figure 2-2 shows the NI 5620 front panel, which contains threeconnectors—two SMA connectors and an SMB connector. One of the SMA connectors, INPUT, is for attaching the analog input signalyou wish to measure. The second SM...

Chapter 2 Hardware Overview © National Instruments Corporation 2-3 NI 5620 User Manual Conditioning the Signal—Impedance, Dither, Gain, and AC Coupling To minimize distortion, signals receive a minimal amount of conditioning.There is one set gain, and all signals are AC coupled, meaning that theNI 5...

Chapter 2 Hardware Overview NI 5620 User Manual 2-4 ni.com Incorporating the DDC You may optionally route the data through the DDC before storing it inonboard memory. The DDC is a digital signal processing (DSP) chip, the IntersilHSP50214B. The first stage uses a digital quadrature mixer that shifts...

Chapter 2 Hardware Overview NI 5620 User Manual 2-6 ni.com acquisition clock in a free-running state, in which the acquisition clock isnot synchronized to any external reference. The voltage controlled crystal oscillator (VCXO) is a 64 MHz clock. The trigger and clock routing area directs clock sign...

Chapter 2 Hardware Overview © National Instruments Corporation 2-7 NI 5620 User Manual Figure 2-4. Multiple-Record Acquisition Timing Diagram Triggering You can externally trigger the NI 5620 through the digital line, PFI1. Youcan also use software to trigger it. Figure 2-5 shows the different trigg...

Chapter 2 Hardware Overview NI 5620 User Manual 2-8 ni.com Synchronizing Multiple PXI Devices The NI 5620 uses a PLL to synchronize the 64 MHz sample clock to a10 MHz reference clock. You can either supply the reference clock throughthe SMA connector (REF CLK IN) on the front panel or use the system...

© National Instruments Corporation A-1 NI 5620 User Manual A Specifications This appendix lists the specifications of the NI 5620. These specificationsare typical at 25 ° C unless otherwise specified. General Specifications Number of channels ............................... 1 Resolution ...............

Appendix A Specifications NI 5620 User Manual A-2 ni.com VSWR 0.1 to 25 MHz ..................................< 1.5:1 25 to 32 MHz ...................................< 3:1 Dither (can be disabled) Frequency range ..............................15 kHz to 3 MHz Frequency Internal Sample Clock Fre...

Appendix A Specifications © National Instruments Corporation A-3 NI 5620 User Manual Figure A-1. Frequency Response from 5 to 100 MHz Phase Group delay variation(5 to 25 MHz) ......................................... 9 ns pk-to-pk Group delay variation(0.5 to 30 MHz) ...................................

Appendix A Specifications © National Instruments Corporation A-5 NI 5620 User Manual Environmental Specifications Calibration interval ................................ 1 year Warm-up time ........................................ 10 minutes Operating environment Ambient temperature .....................

Appendix A Specifications NI 5620 User Manual A-6 ni.com Electromagnetic Compatibility CE, C-Tick, and FCC Part 15 (Class A) compliant Electrical emissions ................................EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical immunity ................................Evaluated ...

© National Instruments Corporation B-1 NI 5620 User Manual B Technical Support Resources Web Support National Instruments Web support is your first stop for help in solvinginstallation, configuration, and application problems and questions. Onlineproblem-solving and diagnostic resources include freq...

Appendix B Technical Support Resources NI 5620 User Manual B-2 ni.com Worldwide Support National Instruments has offices located around the world to help addressyour support needs. You can access our branch office Web sites from theWorldwide Offices section of ni.com . Branch office Web sites provid...

© National Instruments Corporation I-1 NI 5620 User Manual Index A AC coupling, 2-3acquiring data multiple-record acquisitions, 2-6programmatically, 1-2 ADC, 2-3amplitude specifications, A-2 to A-3 B basic signal flow (figure), 2-1block diagram for NI 5620 digitizer, 2-5 to 2-6 C calibration, 2-7cer...