Keysight Technologies N5221A

Keysight N5221A/22A Service Guide 6-7
Replaceable Parts
Replaceable Parts Listings
A19 Test set motherboard Your option set determines which
assemblies are in your PNA. Refer to
“Bottom Assemblies and Cables by
Option Set:” in Table 6-2 on
page 6-8.
A20 IF multiplexer board
A21 LO Multiplier/amplifier 26.5 (HMA26.5)
A22 Splitter
A23 Mixer brick
A24 Mixer brick
A25 Port 1 receiver coupler
A26 Port 3 receiver coupler
A27 Port 4 receiver coupler
A28 Port 2 receiver coupler
A29 Port 1 port coupler Your option set determines which
assemblies are in your PNA. Refer to
“Bottom Assemblies and Cables by
Option Set:” in Table 6-2 on
page 6-8.
A30 Port 3 port coupler
A31 Port 4 port coupler
A32 Port 2 port coupler
A33 Reference mixer switch
A34 Port 1 source step attenuator
A35 Port 3 source step attenuator
A36 Port 4 source step attenuator
A37 Port 2 source step attenuator
A38 Port 1 bias tee
A39 Port 3 bias tee
A40 Port 4 bias tee
A41 Port 2 bias tee
A42 Port 1 receiver step attenuator
A43 Port 3 receiver step attenuator
A44 Port 4 receiver step attenuator
A45 Port 2 receiver step attenuator
A51 Solid state drive “Top Assemblies and Cables, All
Options” on page 6-16.
Table 6-1 Part Number Listing by Reference Designator (Continued)
Reference
Designator
Description Location