Anritsu Series MS278XB User Manual
Page 234
Operation Verification
Measurements
5-78
MS278XB OM
12. Use the formula below to verify whether the measured result is within specifications:
13. Repeat steps 7 through 12 for the other combinations of Span and RBW settings listed in Table 5-5.
Table 5-5.
Frequency Span Accuracy Test
Span
(Hz)
RBW
(Hz)
F1
(MHz)
F2
(MHz)
F1’
F2’
Specification
(Hz)
Span Error
(F2’ – F1’)/0.8
10k
100
3999.996
4000.004
100k
1k
3999.96
4000.04
100k
10k
3999.96
4000.04
1M
50k
3999.6
4000.4
10M
100k
3996
4004
33M
100k
3986.8
4013.2
34M
100k
3986.4
4013.6
81M
100k
3967.6
4032.4
500M
20k
3800
4200
500M
1M
3800
4200
1000M
20k
3600
4400
1000M
1M
3600
4400
2000M
50k
3200
4800
2000M
1M
3200
4800
4000M
100k
2400
5600
4000M
1M
2400
5600
8000M
100k
800
7200
8000M
1M
800
7200