Keysight Technologies N5221A

6-6 Keysight N5221A/22A Service Guide
Replaceable Parts
Replaceable Parts Listings
6-
Replaceable Parts Listings
This section contains the replacement part numbers and their descriptions
for your Keysight microwave PNA. You can find the locations of replaceable
parts in this section:
— listed by reference designator in Table 6-1, or
— listed by the type of part in Table 6-2.
Table 6-1 Part Number Listing by Reference Designator
Reference
Designator
Description Location
A1 Front panel interface board “Front Panel Assembly, Back Side,
All Options” on page 6-12.
A2 USB board
A3 Display assembly
A4 13.5 GHz synthesizer board “Top Assemblies and Cables, All
Options” on page 6-16.
A5 26.5 GHz source board
A6 Not used
A7 Not used
A8 26.5 GHz source board
A9 Not used
A10 Frequency reference board
A11 13.5 GHz synthesizer board
A12 Signal processing ADC module (SPAM) board
A13 13.5 GHz synthesizer board
A14 System motherboard
A15 Midplane board
A16 Power supply
A17 CPU board
A18 GPIB board