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How long will the MSO8000 Capture a Signal

Posted on: December 16th, 2020 by James

To determine how long an oscilloscope will capture a signal when it is operated in single trigger mode is determined by taking the instrument’s memory depth and dividing it by the instrument’s sample rate.  The memory depth can be changed within the instrument’s acquire menu and then the sample rate can be changed by adjusting the horizontal scaling.  The table below lists the different memory depth and sample rate combinations that are possible on the MSO8000 series and lists the length of time the instrument is able of capturing with each possible combination.  

Note that the length of time listed is in seconds and this is for one channel. 

Memory Depth
Sample Rate 1000000 10000000 25000000 50000000 100000000 125000000 250000000 500000000
20000 50 500 1250 2500 5000 6250 12500 25000
50000 20 200 500 1000 2000 2500 5000 10000
100000 10 100 250 500 1000 1250 2500 5000
200000 5 50 125 250 500 625 1250 2500
500000 2 20 50 100 200 250 500 1000
1000000 1 10 25 50 100 125 250 500
2000000 0.5 5 12.5 25 50 62.5 125 250
5000000 0.2 2 5 10 20 25 50 100
10000000 0.1 1 2.5 5 10 12.5 25 50
20000000 0.04 0.4 1 2 4 5 10 20
50000000 0.02 0.2 0.5 1 2 2.5 5 10
125000000 0.008 0.08 0.2 0.4 0.8 1 2 4
250000000 0.004 0.04 0.1 0.2 0.4 0.5 1 2
500000000 0.002 0.02 0.05 0.1 0.2 0.25 0.5 1
1250000000 0.0008 0.008 0.02 0.04 0.08 0.1 0.2 0.4
2500000000 0.0004 0.004 0.01 0.02 0.04 0.05 0.1 0.2
5000000000 0.0002 0.002 0.005 0.01 0.02 0.025 0.05 0.1
10000000000 0.0001 0.001 0.0025 0.005 0.01 0.0125 0.025 0.05