Fluke 5220A instruction manual

5220A

Transconductance Amplifier

Instruction Manual

PN 491936

June 1979 Rev. 3, 6/97

All product names are trademarks of their respective comp ani es.

Contents

Main Page Table of Contents 5220A Page Page List of Tables Page List of Figures 5220A Page Page Section 1 Introduction and Specifications 1-1. Introduction 1-2 1-2. Specifications Specifications for the Model 5220A are given in Table 1-2. Introduction and Specifications Specifications 1-3 1-4 Page Page Section 2 Operating Instructions 2-1. Introduction 2-2. Shipping Information 2-3. Input Power 2-4. Fuse Replacement 2-5. AC Line Fuse 2-6. Power Supply Fuses 2-7. Rack Installation 2-8. Operating Features Page 5220A 2-4 2-9. Operating Notes 2-10. AC Line Connection 2-11. Transconductance Amplifier 2-12. Input Voltage Requirements 2-13. Input Voltage Selection, Front/ Rear 2-14. Current Output, Front/Rear 2-15. Standby/Operate 2-16. Local/Remote 2-17. Status Indicators 2-18. Audible Output 2-19. Inductive Loads Page 2-20. Operation Page Section 3 Theory of Operation 3-1. Introduction 3-2 . Overall Functi onal Descri ption 3-3. General 3-4. Analog Section Page Page 3-5. Digit al Section 3-6. Circuit Analysis 3-7. Power Supply Page 3-8. Preamplifier 3-9. A6 Driver Page 3-10. A7 Output 3-11. A8 Analog Control 3-12. A9 Front Panel 3-13. A10 Logic 3-14. Reset Logic Page 3-15. Timing Logic 3-16. Standby/Operate Logic 3-17. Local/Remote Logic 3-18. Front/Rear I nput Logic 3-19. Failure Status Logic 3-20. A11 MIS Bus Interface Page Page Section 4 Maintenance 4-1. Introduction WWarning 4-2. Service Information 4-3. General Maintenance 4-4. Cleaning 4-5. Air Filter Maintenance 4-6. Access Information Page 4-7. Internal Components/Assemblies 4-8. Front Panel Removal 4-9. A9 Front Panel PCB Removal 4-10. A2 Transformer Assembly Removal 4-11. A6 Driver and A7 Output Assembly Removal 4-12. A3 Cap Bus Removal 4-13. A12 Shunt Assembly Removal 4-14. Fuse Replacement 4-15. Ac Line Fuse 4-16. Power Supply Fuses 4-17. Line Voltage Selection 4-18. Output Terminal Selection, Front/Rear 4-19. Service Tools 4-20. Performance Test 4-21. Initi al Conditions 4-22. Front Panel Tests 4-23. Zero Output 4-24. DC Accuracy and Line Regulation 4-25. Harmonic Distortion 4-26. Frequency Response 4-27. Overcurrent Trip Test 4-28. Overvoltage Trip Test 4-29. Calibration Adjustments 4-30. Initi al Conditions 4-31. Input Offs et Adjustment 4-32. Driver Offset Adjustment 4-33. Output Bias Adjustment 4-34. DC Accuracy Adjustment 4-35. Frequency Response 4-36. Overcurrent Adjustment 4-37. Overvoltage Adjustment 4-38. Replacement of Selecte d Components 4-39. Resistors R11 and R12 4-40. Resistor R13 4-41. Troubleshooting h Page Page 4-21 4-22 Note The jumper wire must be installed between the enabled output terminals. 4-23 Page 4-25 4-26 Section 5 List of Replaceable Parts 5-1. Introduction 5-2. How to Obtain Parts 5-3 . Manual St atus Information 5-4. Newer Instruments 5-5. Service Centers W Page Page 5-5 5-6 5-7 Page Page Page Page Page Page Page Page Page 5-17 5-18 5-19 Page 5-21 Page 5-23 5-24 Page 5-26 5-27 5-28 h Indicates a static-sensit ive part. Page Page 5-31 Page 5-33 Page Page Page Page 5-38 Note The A12 shunt assembly is a suggested non-repairable assembly. Page 5-40 5-41 Page Section 6 Option and Accessory Information 6-1. Introduction 6-2. Accessories 6-3. Rack Mounting Kit (M08-205-600) Page 6-4. Rack Slide Kit (M00-280-610) 6-5. Precision Y5020A Current Shunt