6-50 Service Guide N5227-90001
Replaceable Parts PNA Series Microwave Network Analyzers
Replaceable Parts Listings N5227A
4-Port Configuration, Option 401
Bottom Assemblies, Option 401
Reference
Designator
Part Number
a
a. Part numbers in italic typeface are for rebuilt exchange assemblies. Refer to “Rebuilt-Exchange Assemblies” on
page 6-4.
Qty Description
A23
N5245-60157
Was N5247-60001
1 Test set motherboard
A24 N5240-60062 1 IF multiplexer board
A25 5087-7765 1 LO Multiplier/amplifier 26.5 (HMA26.5)
A26 5067-4086 1 Splitter
A27
A28
5087-7337 2
Mixer brick (1)
Mixer brick (2)
A29
A30
A31
A32
5087-7744
4
Test port 1 receiver coupler
Test port 3 receiver coupler
Test port 4 receiver coupler
Test port 2 receiver coupler
A33
A34
A35
A36
5087-7778 4
Test port 1 coupler
Test port 3 coupler
Test port 4 coupler
Test port 2 coupler
A37 5087-7759 1 Reference mixer switch
A60
A61
A62
A63
5087-7336 4
Port 1 70 GHz doubler
Port 3 70 GHz doubler
Port 4 70 GHz doubler
Port 2 70 GHz doubler
A69 08490-60037 1 3 dB attenuator
➀
N5240-60058
2
Front-panel LED board