Figure 10. single-speed stopband rejection, Figure 11. single-speed transition band, Figure 12. single-speed transition band (detail) – Cirrus Logic CS4354 User Manual
Page 20: Figure 13. single-speed passband ripple, Figure 14. double-speed stopband rejection, Figure 15. double-speed transition band, Combined digital and on-chip analog filter
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DS895F2
CS4354
5. COMBINED DIGITAL AND ON-CHIP ANALOG FILTER RESPONSE PLOTS
0.4
0.5
0.6
0.7
0.8
0.9
1
−120
−100
−80
−60
−40
−20
0
Single−Speed Stopband Rejection
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
Single−Speed Transition Band
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
Single−Speed Transition Band Detail
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
−0.06
−0.04
−0.02
0
0.02
0.04
0.06
Single−Speed Passband Ripple
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
Double−Speed Stopband Rejection
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
Double−Speed Transition Band
Frequency(normalized to Fs)
Amplitude(dB)
Figure 14. Double-Speed Stopband Rejection
Figure 15. Double-Speed Transition Band