The amplitude error caused by the filter can be determined fromThe amplitude error caused by the filter can be determined fromfifigugurere 4.4.55..
The phase frequency response of the filter is shown inThe phase frequency response of the filter is shown infifigugurere 4.4.66..
Figure 4.5: Amplitude error of a 3rd order Bessel low pass filter in the pass bandFigure 4.5: Amplitude error of a 3rd order Bessel low pass filter in the pass band
Figure 4.6: Phase frequency response of a 3rd order Bessel low pass filter in the pass bandFigure 4.6: Phase frequency response of a 3rd order Bessel low pass filter in the pass band