WM8741
Product Preview
DEEMPHASIS FILTER RESPONSES
0.0
-2.0
0.4
0.3
0.2
0.1
-4.0
0.0
-6.0
-0.1
-0.2
-0.3
-0.4
-8.0
-10.0
0
5000
10000
15000
20000
0
5000
10000
15000
20000
20000
20000
Frequency (Hz)
Frequency (Hz)
Figure 70 De-emphasis frequency response (32kHz)
Figure 71 De-emphasis error (32kHz)
0.0
-2.0
0.4
0.3
0.2
0.1
-4.0
0.0
-6.0
-0.1
-0.2
-0.3
-0.4
-8.0
-10.0
0
5000
10000
15000
20000
0
5000
10000
15000
Frequency (Hz)
Frequency (Hz)
Figure 72 De-emphasis frequency response (44.1kHz)
Figure 73 De-emphasis error (44.1kHz)
0.0
-2.0
0.4
0.3
0.2
0.1
-4.0
0.0
-6.0
-0.1
-0.2
-0.3
-0.4
-8.0
-10.0
0
5000
10000
15000
20000
0
5000
10000
15000
Frequency (Hz)
Frequency (Hz)
Figure 74 De-emphasis frequency response (48kHz)
Figure 75 De-emphasis error (48kHz)
PP Rev 1.3 October 2007
60
w