Fluke 8060A - Page 6

8060A
Instruction Manual
ii
3 Applications............................................................................. 3-1
3-1. Introduction .............................................................................. 3-3
3-2. Determining Amplifier Bandwidth........................................... 3-3
3-3. Using the 8060A as a Q-Meter................................................. 3-4
3-4. Measuring Amplifier Stage Gain with Relative dB.................. 3-5
3-5. General Audio Uses.................................................................. 3-6
3-6. Using the 8060A to Measure Extremely Low Currents ........... 3-7
3-7. Making dBm or dBW Measurements with Other Reference
Impedances............................................................................... 3-7
3-8. Changing AC dB Reference Impedances with a DC Source.... 3-9
4 Theory of Operation ................................................................ 4-1
4-1. Introduction .............................................................................. 4-3
4-2. Functional Description ............................................................. 4-3
4-3. Microcomputer ..................................................................... 4-4
4-4. Measurement Acquisition Chip (MAC) ............................... 4-5
4-5. A/D Conversion Cycle ......................................................... 4-6
4-6. Voltage Measurement........................................................... 4-8
4-7. Current Measurement........................................................... 4-10
4-8. Resistance Measurement ...................................................... 4-10
4-9. Conductance Measurement................................................... 4-11
4-10. Continuity Measurement ...................................................... 4-12
4-11. Frequency Measurement ...................................................... 4-13
5 Maintenance............................................................................. 5-1
5-1. Introduction .............................................................................. 5-3
5-2. Service Information.................................................................. 5-3
5-3. General Information ................................................................. 5-4
5-4. Handling Precautions for Using Static Sensitive Devices.... 5-5
5-5. Disassembly and Reassembly............................................... 5-5
5-6. Calibration and Backup Fuse Access ............................... 5-6
5-7. Main PCB Access............................................................. 5-8
5-8. LCD and Microcomputer PCB Disassembly and
Assembly.......................................................................... 5-9
5-9. Backup Fuse Replacement.................................................... 5-12
5-10. Cleaning................................................................................ 5-12
5-11. Performance Tests .................................................................... 5-13
5-12. Initial Procedure ................................................................... 5-13
5-13. Microcomputer and Display Test ......................................... 5-13
5-14. Voltage Test.......................................................................... 5-13
5-15. Resistance Test..................................................................... 5-15
5-16. Continuity Test..................................................................... 5-16
5-17. Conductance Test ................................................................. 5-16
5-18. Current Test.......................................................................... 5-17
5-19. Diode Test ............................................................................ 5-18
5-20. Frequency Test ..................................................................... 5-18
5-21. Calibration Adjustment............................................................. 5-19
5-22. Troubleshooting........................................................................ 5-21