Cirrus Logic CS42528 - Manual (Page 84)

84 DS586F2
CS42528
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
0.40 0.43 0.45 0.48 0.50 0.53 0.55
Frequency (normalized to Fs)
A
m
pl
it
ude (
d B
)
-0.10
-0.08
-0.05
-0.03
0.00
0.03
0.05
0.08
0.10
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
Frequency (normalized to Fs)
A
m
pl
it
ude
( d
B
)
Figure 40. Double-Speed Mode Transition Band (Detail) Figure 41. Double-Speed Mode Passband Ripple
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Frequency (normalized to Fs)
A
m
p lit
ud
e
( d B
)
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8
Frequency (normalized to Fs)
A
m
pl
it ud
e (
d B
)
Figure 42. Quad-Speed Mode Stopband Rejection Figure 43. Quad-Speed Mode Transition Band
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6
Frequency (normalized to Fs)
Am
plit
u
d e (
d B)
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
0.00 0.05 0.10 0.15 0.20 0.25
Frequency (normalized to Fs)
Am
plit
ud
e (d
B)
Figure 44. Quad-Speed Mode Transition Band (Detail) Figure 45. Quad-Speed Mode Passband Ripple