AVL F-FEM-CON - Acquisition Rate and Aliasing

Operation
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F-FEM-CON — User’s Guide
4.1.2 Acquisition Rate and Aliasing
The structure of the ADC ensures excellent data sampling. Sampling is done at a
frequency many times that of the parameterized sampling rate (oversampling)
and is reduced to the sampling rate by a digital filter.
Combined transfer function of the converter (analog and digital)
Frequency response for f
notch
=10 Hz (normalized digital filter response)
The frequency f
notch
is identical to the sampling rate. The filter cut-off frequency
is 0.262×f
notch
. The low pass filter is of type
Fig. 20
Fig. 21
sin x
x






3