Cs8422 – Cirrus Logic CS8422 User Manual
Page 72

72
DS692F2
CS8422
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
5 k
45 k
1 0k
15 k
20 k
2 5k
30 k
3 5k
4 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
Figure 44. Wideband FFT –
0 dBFS 1 kHz Tone, 192 kHz:48 kHz
Figure 45. Wideband FFT –
-60 dBFS 1 kHz Tone, 48 kHz:96 kHz
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
10 k
90 k
2 0k
30 k
40 k
5 0k
60 k
7 0k
8 0k
H z
Figure 46. Wideband FFT –
-60 dBFS 1 kHz Tone, 48 kHz:48 kHz
Figure 47. Wideband FFT –
-60 dBFS 1 kHz Tone, 44.1 kHz:192 kHz
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2 k
2 2k
4 k
6k
8k
10 k
12 k
14 k
1 6k
1 8k
20 k
H z
Figure 48. Wideband FFT –
-60 dBFS 1 kHz Tone, 44.1 kHz:48 kHz
Figure 49. Wideband FFT –
-60 dBFS 1 kHz Tone, 48 kHz:44.1 kHz