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SDS5000X Series Digital Oscilloscope User Manual
ERES acquisition does not require the signal to be periodic, nor does it require
stable triggering, but due to the digital filtering, the system bandwidth of the
oscilloscope will degrade in ERES mode. The higher the enhanced bits, the
lower the bandwidth. The following table shows the relationship between ERES
bits and bandwidth:
ERES Bits
-3dB bandwidth
0.5
0.25*Sample rate
1
0.115*Sample rate
1.5
0.055*Sample rate
2
0.028*Sample rate
2.5
0.014*Sample rate
3
0.007*Sample rate
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