Fluke 8060A Instruction Manual page 6

8060A
Instruction Manual
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.
4-4.
4-5.
4-6.
4-7.
4-8.
4-9.
4-10.
4-11.
5 Maintenance ............................................................................. 5-1
5-1. Introduction .............................................................................. 5-3
5-2. Service Information .................................................................. 5-3
5-3. General Information ................................................................. 5-4
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-11. Performance Tests .................................................................... 5-13
5-12.
5-13.
5-14.
5-15.
5-16.
5-17.
5-18.
5-19.
5-20.
5-21. Calibration Adjustment............................................................. 5-19
5-22. Troubleshooting........................................................................ 5-21
Microcomputer ..................................................................... 4-4
Measurement Acquisition Chip (MAC) ............................... 4-5
A/D Conversion Cycle ......................................................... 4-6
Voltage Measurement........................................................... 4-8
Current Measurement ........................................................... 4-10
Resistance Measurement ...................................................... 4-10
Conductance Measurement................................................... 4-11
Continuity Measurement ...................................................... 4-12
Frequency Measurement ...................................................... 4-13
Handling Precautions for Using Static Sensitive Devices.... 5-5
Disassembly and Reassembly............................................... 5-5
Calibration and Backup Fuse Access ............................... 5-6
Main PCB Access............................................................. 5-8
LCD and Microcomputer PCB Disassembly and
Assembly .......................................................................... 5-9
Backup Fuse Replacement.................................................... 5-12
Cleaning................................................................................ 5-12
Initial Procedure ................................................................... 5-13
Microcomputer and Display Test ......................................... 5-13
Voltage Test.......................................................................... 5-13
Resistance Test ..................................................................... 5-15
Continuity Test ..................................................................... 5-16
Conductance Test ................................................................. 5-16
Current Test .......................................................................... 5-17
Diode Test ............................................................................ 5-18
Frequency Test ..................................................................... 5-18
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