Keysight Technologies N5222B, Руководство по обслуживанию

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3-40 Keysight N5290/1A Service Guide
System Tests and Adjustments
N5292A Functional Verification Procedure
3-
Test Set Connector and Cable Verification
Equipment required:
— RF Fixture - Refer to Figure 3-21 on page 3-34 .
— S-Parameters Fixture - Refer to Figure 3-21 on page 3-34 .
— N5292A Test Set and Cable verification Launch Test application ( PNA Cal )
( )
Refer to step 3 on page 3-28 and Figure 3-27 on page 3-38 through Figure
3-30 on page 3-39 .
Procedure:
— On the PNA: Using test cables, connect ECal module between ports 1 and
2. Refer to Figure 3-20 on page 3-32 .
4. Perform base line 2-port calibration using Launch Test application ( PNA
CAL ) and ECal module. Follow the prompts.
— On the N5292A Test Set: Connect the S-Parameters fixture to the port
under test. Refer to Figure 3-21 on page 3-34 .
5. Using the Launch Test application ( Insertion Loss/Match ), perform follow
prompts and compare results to the typical plots shown in Figure 3-27 on
page 3-38 through Figure 3-30 on page 3-39 .
Figure 3-31 N5292A Front Panel Integrated Port Connector
When a defective cable or connector has been replaced and the test set
has been repaired, the following tests are required:
—
Test set and N5290A/91 A system calibration
— Insertion Loss/Match-S-parameters (Refer to Figure 3-27 on page 3-38
through Figure 3-30 on page 3-39 .)
—
LO Verify (Run after Insertion Loss/Match are verified.)
IMPORTANT! LO power verification is only required on the port that the
connector or and cabling was replaced.