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6-4
Performance Tests – Option 011
1. Source Frequency Range and Accuracy
Figure 6-1. Source Frequency Range and Accuracy Test Setup
2
Press
PRESET
,
MENU
,
CW FREQ
.
3
Press
300
,
k/m
and write the frequency counter reading on the "Performance
Test Record."
4
Repeat Step 3 for each instrument frequency listed in the “Performance Test
Record.”
In Case of
Difficulty
1
If any measured frequency is close to the specification limits, check the time
base accuracy of the counter used.
2
If the analyzer fails by a significant margin at
all
frequencies (especially if the
deviation increases with frequency), the master time base probably needs
adjustment. In this case, refer to “Frequency Accuracy Adjustment” in the
“Adjustments and Correction Constants” chapter in the
Agilent 8753D Option
011 Service Guide
. The “Fractional-N Frequency Range Adjustment” could
also affect the frequency accuracy.
3
Refer to the
Agilent 8753D Option 011 Service Guide
for further
troubleshooting information.