Figure 31. single-speed (slow) passband ripple, Figure 32. double-speed (fast) stopband rejection, Figure 33. double-speed (fast) transition band – Cirrus Logic CS4364 User Manual
Page 44: Figure 35. double-speed (fast) passband ripple, Cs4364
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DS619F1
CS4364
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)
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)
Figure 30. Single-Speed (slow) Transition Band (detail)
Figure 31. Single-Speed (slow) 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 32. Double-Speed (fast) Stopband Rejection
Figure 33. Double-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 34. Double-Speed (fast) Transition Band (detail)
Figure 35. Double-Speed (fast) Passband Ripple