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August 2002
370544A-01
NI PXI-5600 RF DOWNCONVERTER
CALIBRATION PROCEDURE
Contents
Conventions ......................................................................................................................... 2
Introduction..........................................................................................................................2
What Is Calibration?.....................................................................................................3
Why Should You Calibrate?.........................................................................................3
How Often Should You Calibrate?...............................................................................3
Equipment and Other Test Requirements............................................................................ 3
Test Instruments............................................................................................................3
Test Conditions.............................................................................................................5
Documentation..............................................................................................................5
Software........................................................................................................................6
Connections ..................................................................................................................7
Calibration Flowchart...................................................................................................8
Verification Procedures .......................................................................................................9
Verifying the Temperature Correction Coefficient ......................................................9
Verifying Internal Reference Frequency Accuracy......................................................11
Verifying Absolute and Relative Amplitude Accuracy................................................12
Adjustment Procedures........................................................................................................15
Adjusting the Temperature Correction Coefficient......................................................16
Adjusting the Internal Reference Frequency................................................................17
Adjusting IF Frequency Response................................................................................18
Adjusting RF Frequency Response ..............................................................................20
Reverification Procedures....................................................................................................21
NI-TUNER Calibration API Function Reference................................................................ 21
Calibration Error Codes.......................................................................................................36
Technical Support Resources...............................................................................................37
NI Web Support............................................................................................................37
Worldwide Support.......................................................................................................37
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