RIGOL Chapter 4 To Set the Sample System
4-10 MSO7000/DS7000 User Guide
——indicates the sample rate. The unit is Sa/s.
——indicates the horizontal time base scale. The unit is s/div.
——indicates the number of grids in the horizontal direction. The unit is div.
Therefore, under the same horizontal time base scale, a higher memory depth can
ensure a higher sample rate.
Press Acquire Mem Depth, then rotate the multifunction knob to switch to
the desired memory depth, and then press down the knob to select the option. You
can also press the Mem Depth key continuously or enable the touch screen to
select the memory depth. By default, the memory depth is Auto.
For analog channels:
― In single-channel mode, the memory depths available include Auto, 1 Kpts, 10
Kpts, 100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, 125 Mpts
(optional), 250 Mpts (optional), and 500 Mpts (optional).
― In dual-channel mode, the memory depths available include Auto, 1 Kpts, 10
Kpts, 100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, 125 Mpts
(optional), and 250 Mpts (optional).
― In 4-channel mode, the memory depths available include Auto, 1 Kpts, 10 Kpts,
100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, and 125 Mpts
(optional).
Note: In "Auto" mode, the oscilloscope selects the memory depth automatically
according to the current sample rate.
LA Memory Depth
Press Acquire More to view the memory depth of the current digital channel
under LA Mem Depth. The LA memory depth will change with the memory depth of
the analog channel, and cannot be set separately. The maximum LA memory depth is
62.5 Mpts.
Anti-Aliasing
At a slower sweep speed, the sample rate is reduced, and a dedicated display
algorithm can be used to minimize the possibility of aliasing.
Press Acquire Anti-aliasing to enable or disable the anti-aliasing function. By
default, anti-aliasing is disabled. In this case, it is more likely to generate waveform
aliasing.
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