590 Keysight N9010B EXA Signal Analyzer Service Guide
Functional Tests
Scale Fidelity
7. On the analyzer, press the Single key to trigger a 10 sweep average.
8. On the analyzer, activate the Marker Delta function by pressing Peak
Search, Marker Delta.
9. Perform the following steps for each attenuator setting listed in the table
below:
a. Select the next External attenuator setting.
b. Press the Restart key to trigger a 10 sweep average.
c. Enter the delta marker value into Table 17-10.
d. Check delta marker reading against the test limits.
Table 17-10 Scale Fidelity Results
External Attenuator Setting
Minimum
(dB)
Marker Delta Value
(dB)
Maximum
(dB)
0 N/A Reference N/A
10 –11.0 –9.0
20 –21.0 –19.0
30 –31.0 –29.0
40 –41.0 –39.0
50 –51.0 –49.0
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