3-12 Service Guide N5230-90024
Tests and Adjustments PNA Series Microwave Network Analyzers
Preliminary Checks N5230C
The Test Port Cable Checks
A faulty test port cable can cause a failure in the verification test. The following checks are not required, but
are recommended to verify the performance of the test port cable.
• “Cable Return Loss Check” on page 3-13
• “Cable Insertion Loss Check” on page 3-14
• “Cable Magnitude and Phase Stability Check” on page 3-15
• “Cable Connector Repeatability Check” on page 3-17
Accessories Used in the Test Port Cable Checks
Equipment Type
Models
Used With
Model or
Part Number
Alternate Model
or Part Number
Calibration kit, 3.5 mm 20 GHz models 85052B 85052D
Test cable, 3.5 mm (f) to 3.5 mm (f) 20 GHz models 85131C 85131E
Calibration kit, 2.4 mm 40 and 50 GHz models 85056A 85056D
Test cable, 2.4 mm (f) to 2.4 mm (f) 40 and 50 GHz models 85133C 85133E
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