National Instruments NI PXI-5422 Manuale Utente

CALIBRATION PROCEDURE

NI PXI-5422

This document contains step-by-step instructions for writing a calibration
procedure for the NI PXI-5422 arbitrary waveform generator.

Contents

Conventions ............................................................................................ 1
Introduction ............................................................................................. 2

What Is Calibration? ........................................................................ 2

Self-Calibration ........................................................................ 2
External Calibration.................................................................. 2

Why Should You Calibrate? ............................................................ 2
How Often Should You Calibrate? .................................................. 3

Software and Documentation Requirements........................................... 3

Software ........................................................................................... 3
Documentation................................................................................. 5

Self-Calibration Procedures .................................................................... 5

MAX ................................................................................................ 5
FGEN Soft Front Panel.................................................................... 6
NI-FGEN ......................................................................................... 6

External Calibration Options .................................................................. 7

Complete Calibration ....................................................................... 7
Optional Calibration ........................................................................ 9

External Calibration Requirements ......................................................... 11

Test Equipment ................................................................................ 11
Test Conditions ................................................................................ 11

External Calibration Procedures ............................................................. 12

Writing Your Calibration Procedure................................................ 12

Calibration Procedures in LabVIEW........................................ 12
Calibration Procedures in LabWindows/CVI........................... 12
Calibration Procedures in C...................................................... 12

Verifying NI PXI-5422 Specifications ............................................ 13

Verifying the Oscillator Frequency Accuracy.......................... 15
Verifying the DC Gain and Offset Accuracy ........................... 17

Adjusting the NI PXI-5422.............................................................. 31

Initializing the External Calibration Session ............................ 35