Digital filter response plots, Figure 10. single-speed stopband rejection, Figure 11. single-speed transition band – Cirrus Logic CS4353 User Manual
Page 21: Figure 12. single-speed transition band (detail), Figure 13. single-speed passband ripple, Figure 14. double-speed stopband rejection, Figure 15. double-speed transition band
DS803F3
21
CS4353
5. DIGITAL FILTER RESPONSE PLOTS
0.4
0.5
0.6
0.7
0.8
0.9
1
−120
−100
−80
−60
−40
−20
0
Frequency(normalized to Fs)
Amplitude (dB)
0.4
0.42
0.44
0.46
0.48
0.5
0.52
0.54
0.56
0.58
0.6
−120
−100
−80
−60
−40
−20
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 10. Single-speed Stopband Rejection
Figure 11. Single-speed Transition Band
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
−10
−9
−8
−7
−6
−5
−4
−3
−2
−1
0
Frequency(normalized to Fs)
Amplitude (dB)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
−0.02
−0.015
−0.01
−0.005
0
0.005
0.01
0.015
0.02
Frequency(normalized to Fs)
Amplitude (dB)
Figure 12. Single-speed Transition Band (detail)
Figure 13. Single-speed Passband Ripple
0.4
0.5
0.6
0.7
0.8
0.9
1
120
100
80
60
40
20
0
Frequency(normalized to Fs)
Amplitude (dB)
0.4
0.42
0.44
0.46
0.48
0.5
0.52
0.54
0.56
0.58
0.6
120
100
80
60
40
20
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 14. Double-speed Stopband Rejection
Figure 15. Double-speed Transition Band