32 Keysight FieldFox Handheld Analyzers Service Guide
Tests and Adjustments
Service Test Equipment
3-
Service Test Equipment
The test equipment required for the TME based N7841A test and adjustment
software is listed in the N7841A help file.
The following additional test equipment is recommended when servicing the
FieldFox analyzer:
— Main Battery—Required if the analyzer is returned for service without a
battery. Refer to the “Miscellaneous Parts” table on page 103 for part
numbers.
— USB flash drive—Used for firmware upgrades, option installation, etc. Also
known as USB memory stick. Must be 128 MB or larger.
— Small, free-standing fan—Used to cool the analyzer if internal temperature
is too high. See “DUT Warmup” in the “Getting Started” section of the
N7841A help file for usage instructions. Generic small office fan of
approximately six inches in diameter is sufficient.
— Cal kit—Cal kit compatible with port connectors.
— Mini SD flash card—Required to re-load firmware onto the A6 SOM board. A
“mini” sized Secure Digital (SD) flash memory card is between “standard”
and “micro” sizes. The memory size must be at least 64 MB and not greater
than 2 GB. This card is not available from Keysight. To identify a supplier,
search the Web for “mini sd card”.
— Stereo headphones or ear buds—May be used to troubleshoot sound output
if there is a problem with the internal speaker.
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