Fluke 96000 Series - Page 4

96000 Series
Service Manual
ii
3 Performance Tests .............................................................................. 3-1
Introduction ............................................................................................ 3-1
Recommended Tools and Equipment ................................................... 3-1
Performance Test .................................................................................. 3-4
Reference Frequency Accuracy ........................................................ 3-5
Frequency Accuracy (96040A and 96270A) ...................................... 3-6
Harmonics and Spurious Signal Content - Levelling Head
(96040A and 96270A) ....................................................................... 3-9
Phase Noise Test (96040A and 96270A, Optional) ........................... 3-12
Modulation Test-Leveling Head (96040A and 96270A, Optional) ..... 3-14
Frequency Counter Accuracy (96040A and 96270A) ........................ 3-17
Level Accuracy – 50 Ω Leveling Head (96040A and 96270A) ......... 3-18
Attenuation Accuracy – 50 Ω Leveling Head
(Optional 96040A and 96270A) ........................................................ 3-31
VSWR Test – 50 Ω Leveling Head (Optional 96040A and 96270A) 3-33
Level Accuracy – 75 Ω Levelling Head (96040A and 96270A) ......... 3-36
Attenuation Accuracy – 75 Ω Leveling Head
(Optional, 96040A and 96270A) ........................................................ 3-49
VSWR Test – 75 Ω (Optional) ........................................................... 3-51
Microwave Output Level Accuracy
(96270A, Optional Functional Test) ................................................... 3-55
Microwave Output Frequency Accuracy (96270A only) .................... 3-66
Microwave Output Harmonics and Spurious Signal Content
(96270A) ............................................................................................ 3-70
Modulation Test (96270A, Optional) .................................................. 3-75
4 Calibration Adjustment ....................................................................... 4-1
Introduction ............................................................................................ 4-1
Calibration Adjustments ........................................................................ 4-1
Rear Panel Calibration Enable Switch ............................................... 4-3
Reference Frequency Adjustment ..................................................... 4-3
Base Adjustment - Front Panel Head RF Output .............................. 4-4
Leveling Head Adjustment – 50 Ω ..................................................... 4-7
Leveling Head Adjustment – 75 Ω ..................................................... 4-10
Microwave Output Adjustment – With Low-Level
Output Option Fitted .......................................................................... 4-14
Microwave Output Adjustment – Low-Level Output
Option Not Fitted ............................................................................... 4-16
Microwave Output Flatness Characterization .................................... 4-18
5 Maintenance ......................................................................................... 5-1
Operator Maintenance ........................................................................... 5-1
Clean the Product .............................................................................. 5-1
Clean the Air Filter ............................................................................. 5-2
Replace the Line-Power Fuses ......................................................... 5-2
Troubleshooting ..................................................................................... 5-4
Disassembly and Reassembly .............................................................. 5-4
Before You Start ................................................................................ 5-5
Removing External Hardware Components ...................................... 5-5
Handles ......................................................................................... 5-5
Top and Bottom Covers ................................................................. 5-6
Bottom Feet ................................................................................... 5-6
Shields ........................................................................................... 5-6
Remove the Air Filter ......................................................................... 5-6