User guide

Table of Contents i
Table of Contents
Table of Contents..................................................................... i
List of Tables.......................................................................... iii
List of Figures ........................................................................ iv
1 Introduction ........................................................................ 1
1.1 Features............................................................................... 3
1.2 Applications ......................................................................... 3
1.3 Specifications....................................................................... 4
2 Getting Started ................................................................. 19
2.1 Installation Environment .................................................... 19
2.2 Package Contents ............................................................. 20
2.3 Mechanical Drawing and I/O Connectors .......................... 21
2.4 Installing the module.......................................................... 23
2.5 Software Support ............................................................... 24
Driver Support for Windows .......................................... 24
WD-DASK (Legacy Drivers and Support) ..................... 26
3 Operation Theory ............................................................. 27
3.1 Functional Block Diagram.................................................. 27
3.2 Basic AI Acquisition ........................................................... 28
Analog Input Path ......................................................... 28
Basic Acquisition Timing ............................................... 28
AI Data Format ............................................................. 30
3.3 ADC Sampling Rate and TIMEBASE Control.................... 31
Internal Oscillator .......................................................... 31
External Clock Through Front Panel ............................. 31
External Clock from PXI Interfaces ............................... 32
Sampling Rate Control .................................................. 32
Timebase Exporting ...................................................... 33
3.4 Trigger Sources ................................................................. 34
Software Trigger ........................................................... 34
External Digital Trigger ................................................. 35
Analog Trigger .............................................................. 36
PXI STAR Trigger ......................................................... 37
PXI Trigger Bus ............................................................ 37