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Contents

About This Manual

Conventions Used in This Manual.................................................................................

ix

Related Documentation..................................................................................................

x

Chapter 1

Introduction

About Your NI 5102 ......................................................................................................

1-1

Acquiring Data with Your NI 5102 ...............................................................................

1-2

Interactively Controlling your NI 5102 with the Scope Soft Front Panel.......

1-3

NI-SCOPE Driver............................................................................................

1-4

NI-DAQ API ...................................................................................................

1-4

NI Application Software..................................................................................

1-4

Using PXI with CompactPCI.........................................................................................

1-5

Optional Equipment.......................................................................................................

1-6

Chapter 2

Installation and Configuration

What You Need to Get Started ......................................................................................

2-1

Unpacking......................................................................................................................

2-2

Installing the NI 5102 ....................................................................................................

2-3

Hardware Configuration ................................................................................................

2-4

Chapter 3

Digitizer Basics

Understanding Digitizers ...............................................................................................

3-1

Nyquist Theorem .............................................................................................

3-1

Analog Bandwidth...........................................................................................

3-2

Sample Rate.....................................................................................................

3-3

Vertical Sensitivity ..........................................................................................

3-4

ADC Resolution ..............................................................................................

3-4

Record Length .................................................................................................

3-4

Triggering Options ..........................................................................................

3-5

Making Accurate Measurements ...................................................................................

3-5

Understanding the Probe and Its Effects on Your Waveform .......................................

3-8

Passive Probe...................................................................................................

3-8

How to Compensate Your Probe ......................................................

3-9

Active and Current Probes...............................................................................

3-11

© National Instruments Corporation

vii

NI 5102 User Manual

Contents

Chapter 4

Hardware Overview

I/O Connector ................................................................................................................

4-2

Signal Connections........................................................................................................

4-5

Serial Communications Port (AUX) ...............................................................

4-6

Analog Input..................................................................................................................

4-6

ADC Pipeline Delay........................................................................................

4-8

Acquisition Modes ..........................................................................................

4-8

Posttrigger Acquisition .....................................................................

4-8

Pretrigger Acquisition.......................................................................

4-11

Trigger Sources ...............................................................................................

4-14

Analog Trigger Circuit....................................................................................

4-15

Trigger Hold-off..............................................................................................

4-15

Random Interleaved Sampling ......................................................................................

4-17

Calibration .....................................................................................................................

4-17

RTSI Bus Trigger and Clock Lines ...............................................................................

4-18

PFI Lines .......................................................................................................................

4-20

PFI Lines as Inputs..........................................................................................

4-20

PFI Lines as Outputs .......................................................................................

4-20

Master/Slave Operation .................................................................................................

4-22

Restrictions......................................................................................................

4-22

Connecting Devices ........................................................................................

4-22

Appendix A

Specifications

Appendix B

Technical Support Resources

Glossary

Index

NI 5102 User Manual

viii

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