Agilent Technologies 33120A Service Manual page 52

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:
. . . . . . . . .
Hewlett-Packard Calibration Services 49
. . . . . . . . . . . . . . . . . . .
Calibration Interval 49
. . . . . . . . . . . . .
Time Required for Calibration
49
. . . . . . . . . .
Automating Calibration Procedures 50
. . . . . . . . . . . . .
Recommended Test Equipment
50
. . . . . . . . . . . . . . . . . . .
Test Considerations 51
. . . . . . . . . . . . .
Performance Verification Tests
52
. . . . . . . . . . . . . . . . .
Frequency Verification 54
. . . . . .
Function Gain and
Linearity
Verification
- 5 4
. . . . . . . . . . . .
DC Function OfTset Verification 55
. . . . . . . . . . . . . . .
AC Amplitude Verification 55
. . . . . . . . . . . .
Amplitude Flatness Verification 58
. . . . . . . . . . .
AM Modulation Depth Verification 59
. . . . . . . .
Optional Performance Verification Tests
60
. . . . . . . . . . . . . . . .
Calibration Security Code 62
Calibration Count . . . . . . . . . . . . . . . . . . . - 6 4
. . . . . . . . . . . . . . . . . . .
Calibration Message 64
General Calibration~A4justment Procedure
. . . . . .
65
. . . . . . . . . . .
Aborting a Calibration in Progress
67
. . . . . . . .
Frequency and Burst Rate Adjustment
67
. . . . . . .
Function Gain and Linearity Adjustment 68
. . . . . . . . . .
AC Amplitude Adjustment (High Z)
68
. . . . . . . . . . . . . . . .
Modlllation Adjijnstment 70
. . . . . . . . . . .
AC
Amplitude Adjustment
(50
Q ) 71
DC Output Adjustment
. . . . . . . . . . . . . . . . .
74
. . . . . . . . . . . . . . . .
Duty Cycle Adjustment - 7 5
. . . . . . . . . .
AC Amplitude Flatness Adjustment
75
Output Amplifier Adjustment
. . . . . . . . . . . . .
78
Error Messages
. . . . . . . . . . . . . . . . . . . . .
79