DS242RD1B1
9
CRD4297-1 AMR
CrystalClear™ AC '97 AMR Audio Modem Riser Reference
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
CwGRAPH 0.65
CrystalWare(tm)
20
100
1 k
10 k
20 k
-60
-65
-70
-75
-80
-85
-90
-95
-100
-105
-110
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
97-1\97-1DXL.ADX
LEFT
RIGHT
Frequency (Hz)
THD+N (
d
B FS)
THD+N (
d
B FS)
Figure 3. Full Duplex (A-D-PC-D-A): Line In/Out THD+N vs. Frequency
CwGRAPH 0.65
CrystalWare(tm)
20
100
1 k
10 k
20 k
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
6
5
4
3
2
1
0
-1
-2
-3
-4
97-1\97-1MAL.ADX
LEFT
RIGHT
Frequency (Hz)
Am
pl
it
ude (
d
B)
Am
pl
it
ude (
d
B)
Figure 4. Analog Mixer (A-A): Line In/Out Frequency Response
Summary of Contents for CRD4297-1 AMR
Page 27: ... Notes ...
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