Spider DSA User’s Manual
320
The transfer function gives the frequency response that relates the input to the
output in terms of magnitude and phase.
Various analog filter types can be used as the basis for the IIR filter. The
Butterworth Filter results in the flattest pass-band and contains a moderate group
delay. Below are examples of Butterworth low-pass and band-pass filters.
Figure 187. Butterworth band-pass filter.
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