Tabor Electronics 9250 - Page 6

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Chapter 3 - MAINTENANCE, PERFORMANCE CHECKS and ADJUSTMENTS
What’s in This Chapter..........................................................................................................................................3-2
Disassembly Instructions......................................................................................................................................3-2
Special Handling of Static Sensitive Devices ....................................................................................................3-3
Cleaning..................................................................................................................................................................3-4
Repair and Replacement......................................................................................................................................3-4
Performance Checks.............................................................................................................................................3-5
Environmental Conditions ....................................................................................................................................3-5
Warm-up Period.....................................................................................................................................................3-5
9250 Configuration for the Tests..........................................................................................................................3-5
Recommended Test Equipment..........................................................................................................................3-5
Performance Check Procedures .........................................................................................................................3-6
Input/Output Impedance .......................................................................................................................................3-6
Test Results............................................................................................................................................................3-6
Gain Accuracy........................................................................................................................................................3-6
Test Results............................................................................................................................................................3-7
Test Results............................................................................................................................................................3-7
Test Results............................................................................................................................................................3-7
Square wave Characteristics ...............................................................................................................................3-7
Test Results............................................................................................................................................................3-8
Output Distortion....................................................................................................................................................3-8
Test Results............................................................................................................................................................3-8
Output Spectral Purity...........................................................................................................................................3-9
Adjustments..........................................................................................................................................................3-10
Introduction...........................................................................................................................................................3-10
Environmental Conditions ..................................................................................................................................3-10
Required Equipment ...........................................................................................................................................3-10
Adjustment Procedures ......................................................................................................................................3-11
CH1 Low Frequency Response.........................................................................................................................3-11
CH2 Low Frequency Response.........................................................................................................................3-11
CH1 High Frequency Response........................................................................................................................3-12
CH2 Low Frequency Response.........................................................................................................................3-12
Channel 1, Auxiliary Offset Adjustment............................................................................................................3-13
Channel 2, Auxiliary Offset Adjustment............................................................................................................3-13
Appendix A - SPECIFICATIONS ................................................................................................................. A-1