HP 432A, Manual

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Table of Contents Model 432A
ii
Section Page
I GENERAL INFORMATION. . . . . . . . . . . . . 1-1
1-1.
Description . . . . . . . . . . . . . . . . . . . . . 1-1
1-5. Instrument Identification. . . . . . . . . . 1-1
1-7. Operating Environment . . . . . . . . . . . 1-3
1-11. Cooling Requirements . . . . . . . . . 1-3
1-13. Cleaning . . . . . . . . . . . . . . . . . . . . 1-3
II INSTALLATION . . . . . . . . . . . . . . . . . . . . . . 2-1
2-1.
Initial Inspection. . . . . . . . . . . . . . . . . 2-1
2-2. Mechanical Check . . . . . . . . . . . . 2-1
2-4. Performance Checks . . . . . . . . . . 2-1
2-6. Damage Claims . . . . . . . . . . . . . . 2-1
2-9. Three-Conductor Power Cable . . . . . . 2-1
2-12. Primary Power Requirements . . . . . . 2-1
2-14. Internal Battery Operation . . . . . . . . 2-1
2-16.
Battery Installation. . . . . . . . . . . 2-1
2-17. Battery Storage . . . . . . . . . . . . . . 2-1
2-19. Rack Mounting . . . . . . . . . . . . . . . . . . 2-1
2-21.
Combining Case. . . . . . . . . . . . . . 2-1
2-23. Adapter Frames . . . . . . . . . . . . . . 2-2
2-25. Repacking for Shipment . . . . . . . . . . . 2-2
III OPERATING INFORMATION. . . . . . . . . . . 3-1
3-1.
Introduction. . . . . . . . . . . . . . . . . . . . . 3-1
3-4. Controls, Connectors and Indicators . 3-1
3-12. Battery Operation. . . . . . . . . . . . . . . . 3-1
3-17. Microwave Power Measurement
Accuracy . . . . . . . . . . . . . . . . . . . . 3-2
3-23. Calibrator Factor and Effective
Efficiency . . . . . . . . . . . . . . . . . . . 3-2
3-27. Precision Power Measurement. . . . . . 3-2
3-28.
General. . . . . . . . . . . . . . . . . . . . . 3-2
3-30. Measurement Procedure . . . . . . . 3-2
IV PRINCIPLES OF OPERATION . . . . . . . . . . 4-1
4-1.
Simplified Description . . . . . . . . . . . . 4-1
4-5. Functional Block Diagram . . . . . . . . . 4-1
V MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 5-1
5-1.
Introduction. . . . . . . . . . . . . . . . . . . . . 5-1
5-3. Content . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-4. Performance Tests . . . . . . . . . . . . 5-1
5-6. Adjustments. . . . . . . . . . . . . . . . . 5-1
5-10. Test Equipment . . . . . . . . . . . . . . 5-1
5-12. Service Information . . . . . . . . . . . 5-1
Section Page
V MAINTENANCE (Cont)
5-14. 432A Performance Tests with
8477A Calibrator . . . . . . . . . . . . . . . 5-1
5-15. Initial Setup . . . . . . . . . . . . . . . . . 5-1
5-16. Meter Accuracy Test . . . . . . . . . . 5-1
5-17. Calibration Factor Test . . . . . . . . 5-2
5-18. Meter Linearity Check. . . . . . . . . 5-2
5-19. Zero Carryover Test. . . . . . . . . . . 5-2
5-20. Fine Zero Range Check . . . . . . . . 5-3
5-21. 432A Calibration Without
8477A Calibrator . . . . . . . . . . . 5-3
5-24. Calibration Procedure 1. . . . . . . . 5-3
5-26. Calibration Procedure 2. . . . . . . . 5-9
5-27. Cover Removal and Replacement. . . . 5-9
5-29.
Top Cover Removal . . . . . . . . . . . 5-9
5-30. Top Cover Replacement. . . . . . . . 5-9
5-31. Bottom Cover Removal . . . . . . . . 5-9
5-32. Bottom Cover Replacement. . . . . 5-9
5-33. Adjustment Procedures. . . . . . . . . . . 5-10
5-34.
Initial Setup . . . . . . . . . . . . . . . . 5-10
5-35. Mechanical Meter
Adjustment . . . . . . . . . . . . . . 5-10
5-36. Bridge Amplifier Tests. . . . . . . . 5-10
5-37. Meter and Recorder Output
Calibration. . . . . . . . . . . . . . . 5-10
5-38. Battery Charger Adjustment
(Option 01 Only) . . . . . . . . . . 5-11
5-39. Battery Removal . . . . . . . . . . . . 5-11
5-40. Isolating Trouble in Transistor
Circuits . . . . . . . . . . . . . . . . . . . . 5-11
5-46. Out-of-Circuit Testing . . . . . . . . 5-13
5-48. Component Replacement in
Etched Circuits . . . . . . . . . . . . . 5-13
5-50. Axial-Lead Components . . . . . . 5-13
5-52. Other Components. . . . . . . . . . . 5-14
VI REPLACEABLE PARTS . . . . . . . . . . . . . . . . 6-1
6-1.
Introduction. . . . . . . . . . . . . . . . . . . . . 6-1
6-3. Ordering Information . . . . . . . . . . . . . 6-1
VII TROUBLESHOOTING, SCHEMATICS,
AND COMPONENT LOCATIONS . . . . . 7-1
7-1. Introduction. . . . . . . . . . . . . . . . . . . . . 7-1
7-5. Troubleshooting. . . . . . . . . . . . . . . . . . 7-1
7-8. Schematics. . . . . . . . . . . . . . . . . . . . . . 7-1
7-12. A1A1 Auto Zero Assembly . . . . . . . . . 7-1
7-14. Test Conditions . . . . . . . . . . . . . . . . . . 7-1
TABLE OF CONTENTS