Siglent SDS-5000X-FG User Manual

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SDS5000X Series Digital Oscilloscope User Manual

but the grid area includes 1000 horizontal pixels. In this case, the oscilloscope

needs to interpolate the original points by 20.

 X: Linear interpolation, the simplest way of interpolation, connects two

original points with a straight line.

 Sinc: Sin(x)/x interpolation, the original point is interpolated according to

the Nyquist reconstruction formula, which has a good time-domain recovery

effect for sine wave. But for step signals/fast rise times, it will introduce false

overshoot due to the Gibbs phenomenon.

X Interpolation

Sinc Interpolation

Acq mode: "Fast" is the default setting. The SDS5000X provides a very high

waveform update rate in fast mode. "Slow" mode will slow down the waveform

update on purpose.

14.2.2 Acquisition

The acquisition mode is used to determine how to acquire and process the

signal.

Normal: The oscilloscope samples the signal with equal time interval. For most

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Siglent SDS-5000X-FG Waveform Generator Software