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4-42
Performance Tests
11. System Trace Noise (Only for Analyzers with Option 006)
In Case of
Difficulty
1
Perform the “ADC Offset Correction Constants” procedure, located in the
“Adjustments and Correction Constants” chapter of the
Agilent 8753D
Service Guide
.
2
Repeat this performance test.
3
Suspect the A10 Digital IF board assembly if the analyzer still fails the test.
11. System Trace Noise (Only for Analyzers with Option
006)
Perform this test to measure the system trace noise at designated CW fre-
quencies in both the A/R and B/R ratioed measurements.
Required
Equipment
Cable, APC-7, 24-inch . . . . . . . . . . . . . . . . . . . . . . . . . .Agilent P/N 8120-4779
Procedure
1
Connect the equipment as shown in Figure 4-25.
Figure 4-25. System Trace Noise Test Setup
2
Press
PRESET
,
MENU
,
POWER
,
5
,
x1
,
RETURN
,
NUMBER of POINTS
,
1601
,
x1
.