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N9927-90003
5-17
FieldFox Analyzer
Theory of Operation
Measurement Group
A6 SOM Board
The A6 SOM (System on Module) board plugs directly into the A5 System board as a daughter board
and contains:
•
the CPU,
•
64 MB of flash ROM,
•
128 MB of RAM
•
real time clock, and
•
I/O interface.
The interfaces on the SOM are:
•
UART to the System Monitor on the A5 System board
•
LCD interface
•
Left and right audio outputs
•
SD card bus
•
USB host interface
•
Interface to USB hub
•
LAN interface 10/100 base T
•
General purpose interface lines
The A6 SOM board is powered by the 3.3 volt digital supply.
Licenses which enable instrument options are stored in the A6 SOM flash ROM.
A7 Real Time Clock Board
The battery for the RTC (real time clock) on the A7 RTC is connected to the A6 SOM board via the A5
System board. The battery powers the RTC when the FieldFox is powered off.
provides instructions for replacing the battery on the A7 RTC board.
Main Battery
The battery is a rechargeable 10.8 V lithium-ion type. Refer to
“Battery Disposal” on page 1-7
for
important information about replacing and disposing of this battery.
Refer to
Содержание FieldFox MW N9913A
Страница 8: ...Contents 4 Service Guide N9927 90003 Contents ...
Страница 9: ...N9927 90003 1 1 1 Safety and Regulatory Information ...
Страница 16: ...1 8 N9927 90003 Safety and Regulatory Information FieldFox Analyzer Regulatory Information ...
Страница 17: ...N9927 90003 2 1 2 General Product Information ...
Страница 26: ...2 10 N9927 90003 General Product Information FieldFox Analyzer Agilent Support Services and Assistance ...
Страница 27: ...N9927 90003 3 1 3 Tests and Adjustments ...
Страница 37: ...N9927 90003 4 1 4 Troubleshooting ...
Страница 50: ...4 14 N9927 90003 Troubleshooting FieldFox Analyzer Measurement Group Troubleshooting ...
Страница 51: ...N9927 90003 5 1 5 Theory of Operation ...
Страница 58: ...5 8 N9927 90003 Theory of Operation FieldFox Analyzer Measurement Group Figure 5 2 Simplified RF Block Diagram ...
Страница 81: ...N9927 90003 6 1 6 Replaceable Parts ...
Страница 95: ...N9927 90003 7 1 7 Repair and Replacement Procedures ...
Страница 140: ...7 46 N9927 90003 Repair and Replacement Procedures FieldFox Analyzer Post Repair Procedures ...
Страница 141: ...N9927 90003 8 1 8 General Purpose Maintenance and Service Procedures ...
Страница 149: ...N9927 90003 Appendix 1 Appendix A ...
Страница 156: ...Index 4 N9927 90003 Index ...