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Performance Tests – Option 011
13. Receiver Phase Dynamic Accuracy
a
Perform the "IF Amplifier Correction Constants" and "ADC Offset Correction
Constants" procedures (located in the "Adjustments and Correction Con-
stants" chapter of the
Agilent 8753D Option 011 Service Guide
).
b
Repeat this performance test.
c
If it still fails, replace the A10 Digital IF assembly.
d
Repeat the two adjustment procedures mentioned in this step and then re-
peat this performance test.
13. Receiver Phase Dynamic Accuracy
Perform this test to measure phase dynamic accuracy of each receiver chan-
nel.
Figure 6-25. Dynamic Accuracy (Phase)
Procedure Channel A Phase Dynamic Accuracy
1
Refer to the " Receiver Dynamic Accuracy-Magnitude " portion of the
"Performance Test Record," for the values in the "Magnitude Value" column.
2
Copy the values in the "Magnitude Value" column to the "Magnitude Value"
column of the "Receiver Dynamic Accuracy-Phase" portion of the
"Performance Test Record."
3
For every receiver input power level, calculate "A" using the following formula: