312 Chapter 15
Functional Tests
Scale Fidelity
7. On the analyzer, press the Single, Restart 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 15-8.
d. Check delta marker reading against the test limits.
Table 15-8 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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