6-58 Service Guide N5242-90001
Replaceable Parts PNA Series Microwave Network Analyzers
Replaceable Parts Listings N5242A
Bottom Assemblies, 4-Port, Option 423 (including Option 029)
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
A19 N5240-60043 1 Test set motherboard
A20 N5240-60045 1 IF multiplexer board
A21 5087-7711 1 LO Multiplier/amplifier 26.5 (HMA26.5)
A22
5087-7139
5087-6139
1 Splitter
A23
A24
5087-7308
5087-6308
2Mixer brick
A25
A26
A27
A28
5087-7315 4
Test port 1 bridge
Test port 3 bridge
Test port 4 bridge
Test port 2 bridge
A29
A30
A31
A32
5087-7710 4
Test port 1 coupler
Test port 3 coupler
Test port 4 coupler
Test port 2 coupler
A33 N5240-60048 1 Reference mixer switch
A34
A35
A36
A37
33321-60070 4
Test port 1 source attenuator
Test port 3 source attenuator
Test port 4 source attenuator
Test port 2 source attenuator
A38
A39
A40
A41
5087-7239 4
Test port 1 bias tee (includes wire harness)
Test port 3 bias tee (includes wire harness)
Test port 4 bias tee (includes wire harness)
Test port 2 bias tee (includes wire harness)
A42
A43
A44
A45
33321-60066 4
Port 1 receiver attenuator
Port 3 receiver attenuator
Port 4 receiver attenuator
Port 2 receiver attenuator
A46
A47
A48
A49
N1811-60006 4
Port 1 source bypass switch
Port 3 source bypass switch
Port 4 source bypass switch
Port 2 source bypass switch
A50 5087-7315 1 Combiner
A52 N1811-60008 1 Test port 1 switch (Option 029 only)
A53 N1811-60006 1 Test port 2 switch (Option 029 only)
A54 5087-7315 1 Test port 2 bridge (Option 029 only)
A55 5087-7316 1 Noise downconverter (Option 029 only)
➀
N5240-60051
2
Front panel LED board