Agilent Technologies 33120A Welding System User Manual


 
Calibration Procedures
This chapter contains procedures for verification of the function
generator’s performance and adjustment (calibration). The chapter is
divided into the following sections:
Agilent Calibration Services . . . . . . . . . . . . . . 51
Calibration Interval . . . . . . . . . . . . . . . . . . . 51
Time Required for Calibration . . . . . . . . . . . . . 51
Automating Calibration Procedures . . . . . . . . . . 52
Recommended Test Equipment . . . . . . . . . . . . . 52
Test Considerations . . . . . . . . . . . . . . . . . . . 53
Performance Verification Tests . . . . . . . . . . . . . 54
Frequency Verification . . . . . . . . . . . . . . . . . 56
Function Gain and Linearity Verification . . . . . . . 56
DC Function Offset Verification . . . . . . . . . . . . 57
AC Amplitude Verification . . . . . . . . . . . . . . . 57
Amplitude Flatness Verification . . . . . . . . . . . . 60
AM Modulation Depth Verification . . . . . . . . . . . 61
Optional Performance Verification Tests . . . . . . . . 62
Calibration Security Code . . . . . . . . . . . . . . . . 64
Calibration Count . . . . . . . . . . . . . . . . . . . . 66
Calibration Message . . . . . . . . . . . . . . . . . . . 66
General Calibration/Adjustment Procedure . . . . . . 67
Aborting a Calibration in Progress . . . . . . . . . . . 69
Frequency and Burst Rate Adjustment . . . . . . . . 69
Function Gain and Linearity Adjustment . . . . . . . 70
AC Amplitude Adjustment (High-Z) . . . . . . . . . . 70
Modulation Adjustment . . . . . . . . . . . . . . . . . 72
AC Amplitude Adjustment (50W) . . . . . . . . . . . . 73
DC Output Adjustment . . . . . . . . . . . . . . . . . 76
Duty Cycle Adjustment . . . . . . . . . . . . . . . . . 77
AC Amplitude Flatness Adjustment . . . . . . . . . . 77
Output Amplifier Adjustment (Optional) . . . . . . . 80
Error Messages . . . . . . . . . . . . . . . . . . . . . 81
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