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How long will the DS2000A Capture a Signal

Last Updated: Apr 04, 2019 02:37PM PDT
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 DS2000A 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  14000 140000 1400000 14000000 56000000
1000 14 140 1400 14000 56000
2000 7 70 700 7000 28000
5000 2.8 28 280 2800 11200
10000 1.4 14 140 140 5600
20000 0.7 7 70 700 2800
50000 0.28 2.8 28 280 1120
100000 0.14 1.4 14 140 560
200000 0.07 0.7 7 70 28
500000 0.028 0.28 2.8 28 112
1000000 0.014 0.14 1.4 14 56
2000000 0.007 0.07 0.7 7 28
5000000 0.0028 0.028 0.28 2.8 11.2
10000000 0.0014 0.014 0.14 1.4 5.6
20000000 0.0007 0.007 0.07 0.7 2.8
50000000 0.00028 0.0028 0.028 0.28 1.12
100000000 0.00014 0.0014 0.014 0.14 0.56
200000000 0.00007 0.0007 0.007 0.07 0.28
500000000 0.000028 0.00028 0.0028 0.028 0.112
1000000000 0.000014 0.00014 0.0014 0.014 0.056
2000000000 0.000007 0.00007 0.0007 0.007 0.028
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