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How long will the DS4000 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 DS4000 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 140000000
5000 2.8 28 280 2800 28000
12500 1.12 11.2 112 1120 11200
25000 0.56 5.6 56 560 5600
50000 0.28 2.8 28 280 2800
125000 0.112 1.12 11.2 112 1120
250000 0.056 0.56 5.6 56 560
500000 0.028 0.28 2.8 28 280
1250000 0.0112 0.112 1.12 11.2 112
2500000 0.0056 0.056 0.56 5.6 56
5000000 0.0028 0.028 0.28 2.8 28
12500000 0.00112 0.0112 0.112 1.12 11.2
25000000 0.00056 0.0056 0.056 0.56 5.6
50000000 0.00028 0.0028 0.028 0.28 2.8
125000000 0.000112 0.00112 0.0112 0.112 1.12
500000000 0.000028 0.00028 0.0028 0.028 0.28
1000000000 0.000014 0.00014 0.0014 0.014 .14
2000000000 0.000007 0.00007 0.0007 0.007 0.07
4000000000 0.0000035 0.000035 0.00035 0.0035 0.035
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