Agilent Technologies 85225F, Installation And User Manual

Page: 125 / 148

RF Subsystem Functional Verification Test
C
Installation and User’s Guide 125
Performing the RF Subsystem Functional Verification Test
If the performance of the Agilent E8364B PNA Series vector network
analyzer is in question, complete the following steps to verify operation.
To perform the RF subsystem functional verification test
Step Action Notes
1 Activate the network
analyzer.
a Connect the network analyzer to
line power.
b Switch on the line power.
2 Warm-up the network
analyzer for 1 hour.
a Wait 1 hour before continuing to
step 3.
3 Run the Operator’s Check. a In the network analyzer System
menu, point to Service and click
Operator’s Check.
b Click Configure.
c On the pull down menu, select
Automatic.
d Click Start-Port 1.
e Follow the program prompts.
f
When prompted, place a short on
Port 1 and click OK.
g Check PASS/FAIL status.
h Continue to follow the prompts for
the Attenuator Range tests.
i Check PASS/FAIL status for each
attenuator range.
j Click Start-Port 2.
k Repeat actions e through i for Port 2.
l
Click Exit to end the Operator’s
Check.
•
This opens the Operator’s Check window.
•
This selects automatic program execution. To
enable a prompted test sequence, choose
Prompted to place a prompt before the
execution of each range test for each
attenuator.
•
When the Port 1 test is complete, the
Operator’s Check window reappears showing
the test results for Port 1.
•
When the Port 2 test is complete, the
Operator’s Check window reappears showing
the test results for Port 2.
4 Test the forward reflection
mode for channel 1.
a Connect the test port cable between
the PORT 1 and PORT 2 connectors.
b Press Preset. (By default, the
instrument measures channel 1
forward reflection after instrument
preset.
c Inspect the trace shown on the
display. It should be similar to the
trace shown to the right.