Cirrus Logic CS4398 - Manual (Page 41)

DS568F1 41
CS4398
11.APPENDIX
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 20. Single-Speed (fast) Stopband Rejection Figure 21. Single-Speed (fast) 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 22. Single-Speed (fast) Transition Band (detail) Figure 23. Single-Speed (fast) 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 24. Single-Speed (slow) Stopband Rejection Figure 25. Single-Speed (slow) Transition Band