VXI VT1433B User Manual
Page 59
Table of Baseband Measurement Spans (part 4 of 6)
All values are in Hertz (Hz).
sample frequency
(Fs) —>
10000
102400
128000
number of
÷2 steps
with ÷5
without ÷5
with ÷5
without ÷5
with ÷5
without ÷5
0
7812.500000
39062.500000*
8000.000000
40000.000000*
10000.000000
50000.000000*
1
3906.250000
19531.250000
2000.000000
20000.000000
5000.000000
25000.000000
2
1953.125000
9765.625000
2000.000000
10000.000000
2500.000000
12500.000000
3
976.562500
4882.812500
1000.000000
5000.000000
1250.000000
6250.000000
4
488.281250
2441.406250
500.000000
2500.000000
625.000000
3120.500000
5
244.140625
1220.703125
250.000000
1250.000000
312.500000
1562.500000
6
122.070312
610.351562
125.000000
655.000000
156.250000
781.250000
7
61.035156
305.175781
60.250000
312.500000
78.125000
390.625000
8
30.517578
152.587891
30.125000
156.250000
39.062500
195.312500
9
15.258789
76.293945
15.625000
78.125000
19.531250
97.656250
10
7.629395
38.146973
7.812500
39.062500
9.765625
48.828125
11
3.814697
19.073486
3.906250
19.531250
4.882812
24.414062
12
1.907349
9.536743
1.953125
9.765625
2.441406
12.207031
13
0.953674
4.768372
0.976562
4.882812
1.220703
6.103516
14
0.476837
2.384186
0.488281
2.441406
0.610352
3.051758
15
0.238419
1.192093
0.244141
1.220703
0.305176
1.525879
16
0.119209
0.596046
0.122070
0.610352
0.152588
0.762939
Notes:
* For the top span, the 3 dB bandwidth is 1.15 times span shown.
To select sample frequency for time domain data, first divide the desired sample
frequency by 2.56 to convert it to a measurement span. Then locate the closest
measurement span on this table and choose the corresponding sample frequency at
the top of the table.
VT1433B User's Guide
Using the VT1433B
3-21