Agilent Technologies 87020 11. System Trace Noise (Only for Analyzers with Option 006)

4-42
Performance Tests
11. System Trace Noise (Only for Analyzers with Option 006)
In Case of
Difficulty
1Perform the “ADC Offset Correction Constants” procedure, located in the
“Adjustments and Correction Constants” chapter of the Agilent8753D
Service Guide.
2Repeat this performance test.
3Suspect 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
1Connect the equipment as shown in Figure 4-25.
Figure4-25. System Trace Noise Test Setup
2Press PRESET, MENU, POWER, 5, x1, RETURN, NUMBER of POINTS, 1601, x1.