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SDS2000X HD Series Digital Oscilloscope User Manual
7 2 i n t . s i g l e n t . c o m
X Interpolation Sinc Interpolation
Acq Mode: "Fast" is the default setting. The SDS2000X HD provides a very high waveform update
rate in fast mode. "Slow" mode will slow down the waveform update on purpose.
Memory Depth: The memory depth that can be supported. According to the formula "acquisition time
= sample points x sample interval", setting a larger memory depth can achieve a higher sample rate
for a given time base, but more samples require more processing time, degrading the waveform
update rate. SDS2000X HD can obtain the best waveform refresh rate with the Memory Depth of 1
kpts. Under the full Memory Depth, SDS2000X HD can still operate at full speed sampling at
timebases < 10 ms/div which provides high resolution captures for long time duration events.
The memory depth supported by the SDS2000X HD is listed in the following table:
Single Channel Mode Dual-Channel Mode
20 k 10 k
200 k 100 k
2 M 1 M
20 M 10 M
200 M 100 M
Single-channel mode: Only one of C1/C2/C3/C4 is turned on.
Dual-channel mode: One of C1&C2 or C3&C4 are turned on.
XY Mode: A frame of data input by C1 is used as the x-axis, and a frame of data input by C2 is used
as the y-axis to display the relationship between the two signals. XY mode is usually used to draw a
Lissajous diagram or volt-ampere diagram of components.
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