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• Waveform Leakage: If the sample rate is too low, the waveform reconstructed
from the sample data does not represent the original signal correctly.
7.4 Memory Depth
Memory depth refers to the number of points that the oscilloscope can store in a
single trigger acquisition. It reflects the storage capability of the acquisition memory.
DHO900 series oscilloscope provides up to 50 Mpts memory depth (standard).
Pre-Sample Delayed Sample
Memory Depth
Trigger Point
T
Figure 7.3 Memory Depth
The following formula shows the relations among memory depth, sample rate, and
horizontal time base:
Acquisition System
DHO900 User Guide
56
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