Service Guide N5227-90001 7-5
PNA Series Microwave Network Analyzers      Repair and Replacement Procedures
N5227A Removal and Replacement Procedures
A33
A34
A35
A36
Port 1 test port coupler
Port 3 test port coupler
Port 4 test port coupler
Port 2 test port coupler
Page  7-34
A37 Reference mixer switch
Page  7-36
A38
A39
A40
A41
Port 1 source step attenuator (Optional)
Port 3 source step attenuator (Optional)
Port 4 source step attenuator (Optional)
Port 2 source step attenuator (Optional)
Page  7-38
A42
A43
A44
A45
Port 1 bias tee (Optional)
Port 3 bias tee (Optional)
Port 4 bias tee (Optional)
Port 2 bias tee (Optional)
Page  7-40
A46
A47
A48
A49
Port 1 receiver step attenuator (Optional)
Port 3 receiver step attenuator (Optional)
Port 4 receiver step attenuator (Optional)
Port 2 receiver step attenuator (Optional)
Page  7-38
A55 Solid state drive Page  7-42
A60
A61
A62
A63
70 GHz doubler 1
70 GHz doubler 3
70 GHz doubler 4
70 GHz doubler 2
Page  7-44
Table 7-1 List of Procedures (Continued)
Reference 
Designator
Assembly Description Location