WM8741
Production Data
0.1
0.08
0.06
0.04
0.02
0
0
-50
-100
-150
-0.02
-0.04
-0.06
-0.08
-0.1
-200
0
0
0.1
0.2
0.3
0.4
0.4
0.2
0.5
0.5
1
1.5
2
2.5
3
3.5
4
4
2
Frequency (fs)
Frequency (fs)
Figure 34 Low Rate PCM Filter 4 Frequency Response
Figure 35 Low Rate PCM Filter 4 Ripple
0.1
0.08
0.06
0.04
0.02
0
0
-50
-100
-150
-200
-0.02
-0.04
-0.06
-0.08
-0.1
0
0.1
0.2
0.3
0.5
0
0.5
1
1.5
2
2.5
3
3.5
Frequency (fs)
Frequency (fs)
Figure 36 Low Rate PCM Filter 5 Frequency Response
Figure 37 Low Rate PCM Filter 5 Ripple
0.1
0.08
0.06
0.04
0.02
0
0
-50
-100
-150
-200
-0.02
-0.04
-0.06
-0.08
-0.1
0
0.05
0.1
0.15
0.25
0
0.5
1
1.5
Frequency (fs)
Frequency (fs)
Figure 38 Medium Rate PCM Filter 1 Frequency Response
Figure 39 Medium Rate PCM Filter 1 Ripple
PD, Rev 4.2, October 2009
54
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
