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Operation Verification Measurements
5-76 MS278XB OM
9. Turn on Marker and perform Marker Peak search. Read the marker frequency and verify that the
value is within specifications using the formula below:
± ((marker freq x reference accuracy) + span accuracy +
(0.05 x RBW) + (0.5 x last digit))
For technical specifications, refer to the Signature Technical Data Sheet, part number: 11410-
00396, located in Appendix A of the Signature operation manual.
10. Repeat steps 8 through 9 for other RBW/Span combinations listed in Table 5-4.
11. Repeat steps 7 through 10 for 7900 MHz.
Table 5-4. Frequency Readout Accuracy Test
FREQ
(MHz)
RBW
(Hz)
Span
(Hz)
Specification
(Hz)
Marker Readout
Frequency
100 100 100
100 1000
100 10,000
1000 1,000
1000 10,000
1000 100,000
10,000 10,000
10,000 100,000
10,000 1,000,000
7900 100 100
100 1,000
100 10,000
1000 1000
1000 10,000
1000 100,000
10,000 10,000
10,000 100,000
10,000 1,000,000