RIGOL 
             © 2008 RIGOL Technologies, Inc. 
 User’s Guide for DS1000E, DS1000D Series 
 
Real-time Sampling:  The oscilloscope  has Real-
1GSa/s. At the time  base  5
0ns or faster, the oscilloscopes use the sine(x)/x 
interpolation to expand the horizontal time base. 
 
Equivalent  Sampling:  Known as Repetitive sampling  to  get up to 4
horizontal resolution (equivalent  25
Gsa/s). This mode is good for observing 
repetitive signals, and it is not recommended for single-shot or pulse. 
 
Normal Acquisition: Oscilloscope acquires signal by equal time interval. 
 
Average Acquisition: Apply averaging to your signal to remove uncorrelated 
noise and improve measurement accuracy. Reduces random or uncorrelated noise 
in the signal display. The averaged waveform is a running average over a specified 
number of acquisitions from 2 to 256.  
 
Peak Detect  Acquisition: 
Peak Detect mode captures the maximum and 
minimum values of a signal. Finds highest and lowest record points over many 
acquisitions. 
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