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How long will the MSO5000 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 MSO5000 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 (Points)								Deep Memory Options
Sample Rate (Sa/Sec)	1000	10000	100000	1000000	10000000	25000000	50000000	100000000	200000000
2000	0.5	5	50	500	5000	12500	25000	50000	100000
5000	0.2	2	20	200	2000	5000	10000	20000	40000
10000	0.1	1	10	100	1000	2500	5000	10000	20000
20000	0.05	0.5	5	50	500	1250	2500	5000	10000
50000	0.02	0.2	2	20	200	500	1000	2000	4000
100000	0.01	0.1	1	10	100	250	500	1000	2000
200000	0.005	0.05	0.5	5	50	125	250	500	1000
500000	0.002	0.02	0.2	2	20	50	100	200	400
1000000	0.001	0.01	0.1	1	10	25	50	100	200
2000000	0.0005	0.005	0.05	0.5	5	12.5	25	50	100
5000000	0.0002	0.002	0.02	0.2	2	5	10	20	10
10000000	0.0001	0.001	0.01	0.1	1	2.5	5	10	20
25000000	0.00004	0.0004	0.004	0.04	0.4	1	2	4	8
50000000	0.00002	0.0002	0.002	0.02	0.2	0.5	1	2	4
100000000	0.00001	0.0001	0.001	0.01	0.1	0.25	0.5	1	2
200000000	0.000005	0.00005	0.0005	0.005	0.05	0.125	0.25	0.5	1
500000000	0.000002	0.00002	0.0002	0.002	0.02	0.05	0.1	0.2	0.4
1000000000	0.000001	0.00001	0.0001	0.001	0.01	0.025	0.05	0.1	0.2
2000000000	0.0000005	0.000005	0.00005	0.0005	0.005	0.0125	0.025	0.05	0.1
4000000000	0.00000025	0.0000025	0.000025	0.00025	0.0025	0.00625	0.0125	0.025	0.05
8000000000	0.000000125	0.00000125	0.0000125	0.000125	0.00125	0.003125	0.00625	0.0125	0.025

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