3-4 Keysight N9923A 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
N9923A analyzer:
— Main Battery—Required if the analyzer is returned for service without a
battery. Refer to
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 “UUT 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.
— Type-N male cal kit—Tee cal kit, part number 1250-3607, is recommended.
— Micro SD flash card—Required to re-load firmware onto the A6 SOM board.
A “micro” physical sized Secure Digital (SD) flash memory card is required.
This card is not available from Keysight. To identify a supplier, search the
Web for “micro sd card”.
— Stereo headphones or ear buds—May be used to troubleshoot sound output
if there is a problem with the internal speaker.