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Fluke Manuals
Measuring Instruments
96270A
Service manual
Fluke 96270A Service Manual
Rf reference source
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction and Specifications
Introduction
Contact Fluke Calibration
Safety Information
Symbols
General Safety Summary
Prevent Instrument Damage
Specifications
General Specifications (96040A and 96270A)
Frequency Reference Input/Output Specifications (96040A and 96270A)
Leveled Sine Specifications at Microwave Output (96270A)
Leveled Sine Specifications at Leveling Head Output (96040A and 96270A) and Microwave Output (96270A)
Modulation Specifications at Leveling Head Output (96040A and 96270A) and Microwave Output (96270A)
Frequency Sweep Specifications at Leveling Head Output (96040A and 96270A) and Microwave Output (96270A)
Frequency Counter Specifications
Power Meter Readout Specifications (96270A Only)
GPIB Command Emulation Mode Specifications
Theory of Operation
Introduction
Overall Functional Description
User Interface
Frequency Synthesis
Amplitude Control
Frequency Modulation
Amplitude Modulation
Instrument Control
Power Supplies
Performance Tests
Introduction
Recommended Tools and Equipment
Performance Test
Reference Frequency Accuracy
Frequency Accuracy (96040A and 96270A)
Harmonics and Spurious Signal Content - Levelling Head (96040A and 96270A)
Phase Noise Test (96040A and 96270A, Optional)
Modulation Test-Leveling Head (96040A and 96270A, Optional)
Frequency Counter Accuracy (96040A and 96270A)
Level Accuracy - 50 Ω Leveling Head (96040A and 96270A)
Attenuation Accuracy - 50 Ω Leveling Head (Optional 96040A and 96270A)
Level Accuracy - 75 Ω Levelling Head (96040A and 96270A)
Attenuation Accuracy - 75 Ω Leveling Head (Optional, 96040A and 96270A)
VSWR Test - 75 Ω (Optional)
Microwave Output Level Accuracy (96270A, Optional Functional Test)
Microwave Output Frequency Accuracy (96270A Only)
Microwave Output Harmonics and Spurious Signal Content (96270A)
Modulation Test (96270A, Optional)
Calibration Adjustment
Introduction
Calibration Adjustments
Rear Panel Calibration Enable Switch
Reference Frequency Adjustment
Base Adjustment - Front Panel Head RF Output
Leveling Head Adjustment - 50 Ω
Leveling Head Adjustment - 75 Ω
Microwave Output Adjustment - with Low-Level Output Option Fitted
Microwave Output Adjustment - Low-Level Output Option Not Fitted
Microwave Output Flatness Characterization
Maintenance
Operator Maintenance
Clean the Product
Clean the Air Filter
Replace the Line-Power Fuses
Troubleshooting
Disassembly and Reassembly
Before You Start
Removing External Hardware Components
Handles
Top and Bottom Covers
Bottom Feet
Shields
Remove the Air Filter
Removing Major Assemblies
RF Output PCA
X 2W Coaxial Relays
Front Panel Assembly
Display and Keypad PCA
Digital PCA
27 Ghz Control PCA (96270A)
Synthesizer PCA
Fans
Rear Panel Assemblies
Interconnection PCA
Low Voltage Transformer
Power Supply PCA
Switch Mode Power Supply Module
Leveling Head Disassembly Procedure
Leveling Head Reassembly Procedure
Reassembling the Product
Safety Test
Running Self-Test
Review the Results
Interpreting the Results
Firmware Upgrade
Equipment Required for the Restore or Upgrade
Firmware Installation
Lists of Replaceable Parts
Introduction
How to Obtain Parts
Replaceable Parts Lists
A Performance Test Record
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1
Table of Contents
2
Introduction and Specifications
3
General Specifications (96040A and 96270A)
4
Frequency Reference Input/Output Specifications (96040A and 96270A)
5
Performance Test
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96000 Series
RF Reference Source
Service Manual
September 2014
© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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