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Table of Baseband Measurement Spans (part 3 of 6)
All values are in Hertz (Hz).
sample frequency
(Fs) —>
80000 81920 96000
number of
÷2 steps
with ÷5 without ÷5 with ÷5 without ÷5 with ÷5 without ÷5
0 6250.000000 31250.000000* 6400.000000 32000.000000* 7500.000000 37500.000000*
1 3125.000000 15625.000000 3200.000000 16000.000000 3750.000000 18750.000000
2 1562.500000 7812.500000 1600.000000 8000.000000 1875.000000 9375.000000
3 781.250000 3906.250000 800.000000 4000.000000 937.500000 4687.500000
4 390.625000 1953.125000 200.000000 2000.000000 468.750000 2343.750000
5 195.312500 976.562500 200.000000 1000.000000 234.375000 1171.87500
6 97.656250 488.281250 100.000000 500.000000 117.187500 585.937500
7 48.828125 244.140625 50.000000 250.000000 58.593750 292.968750
8 24.414062 122.070312 25.000000 125.000000 29.296875 146.484375
9 12.207031 61.035156 12.500000 65.500000 14.648438 73.242188
10 6.103516 30.517578 6.250000 31.250000 7.324219 36.621094
11 3.051758 15.258789 3.125000 15.625000 3.662109 18.310547
12 1.525879 7.629395 1.562500 7.812500 1.831055 9.155273
13 0.762939 3.814697 0.781250 3.906250 0.915527 4.577637
14 0.381470 1.907349 0.390625 1.953125 0.457764 2.288818
15 0.190735 0.953674 0.195312 0.976562 0.228882 1.144409
16 0.095367 0.476837 0.097656 0.488281 0.114441 0.572205
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
3-20