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How long will the MSO8000 Capture a Signal

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Posted on: December 16th, 2020 by Doug Lovell

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

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