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SDS6000L User Manual
1 8 8 i n t . s i g l e n t . c o m
17.3.8 Interpolate
Between the adjacent sampling points, the waveform is interpolated according to the selected
interpolation method and interpolation coefficient. Click Acquire > Interpolation to set the
interpolation method, and the interpolation coefficient can be set to 2, 5, 10, or 20.
coefficient = 2
coefficient = 20
17.4 Filter
The filter operation in the SDS6000L provides FIR (Finite Impulse Response) filtering with the following
types: Low pass, High pass, Bandpass, and Band Reject. The filters have up to 200 taps which can
reach roll-off as fast as 0.01*fs. Users just need to set the filter type and corner frequency(s), then the
instrument will automatically calculate the coefficients needed for the filtering.
A. Choose to let the scope set the sample rate
automatically according to the filter setting or
not. See below for details
B. Filter type: Low pass, High pass, Bandpass,
and Band Reject
C. Corner frequency. For Bandpass and Band
Reject there are two corner frequencies,
separately named Lower Frequency and Upper
Frequency. The attenuation at the corner
frequency is around 3 dB
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