VXI VT1433B User Manual
Page 57
Table of Baseband Measurement Spans (part 2 of 6)
All values are in Hertz (Hz).
sample frequency
(Fs) —>
64000
65536
51200
number of
÷2 steps
with ÷5
without ÷5
with ÷5
without ÷5
with ÷5
without ÷5
0
5000.000000
25000.000000*
5120.000000
25600.000000*
6000.000000
30000.000000*
1
25000.000000
12500.000000
2560.000000
12800.000000
3000.000000
15000.000000
2
1250.000000
6250.000000
1280.000000
6400.000000
1500.000000
7500.000000
3
625.000000
3125.000000
640.000000
6200.000000
750.000000
3750.000000
4
312.5000000
1562.500000
320.000000
1600.000000
375.000000
1875.000000
5
156.250000
781.250000
160.000000
800.000000
187.500000
937.500000
6
78.125000
390.625000
80.000000
400.000000
93.750000
468.750000
7
39.062500
195.312500
40.000000
200.000000
46.875000
234.375000
8
19.531250
97.656250
20.000000
100.000000
23.437500
117.187500
9
9.765625
48.828125
10.000000
50.000000
11.718750
58.593750
10
4.882812
24.414062
5.000000
25.000000
5.859375
29.296875
11
2.441406
12.207031
2.500000
12.500000
2.929688
14.648438
12
1.220703
6.103516
1.250000
6.250000
1.464844
7.324219
13
0.610352
3.051758
0.625000
3.125000
0.732422
3.662109
14
0.305176
1.525879
0.312500
1.562500
0.366211
1.831055
15
0.152588
0.762939
0.156250
0.781250
0.183105
0.915527
16
0.076294
0.381470
0.078125
0.390625
0.091553
0.457764
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
3-19