Advanced Information
WM8753L
DE-EMPHASIS FILTER RESPONSES
0.4
0.3
0.2
0.1
0
0
-2
-4
-6
-0.1
-0.2
-0.3
-0.4
-8
-10
0
2000
4000
6000
8000
10000 12000 14000 16000
0
2000
4000
6000
8000
10000 12000 14000 16000
Frequency (Fs)
Frequency (Fs)
Figure 50 De-emphasis Frequency Response (32kHz)
Figure 51 De-emphasis Error (32kHz)
0
0.4
0.3
0.2
0.1
0
-2
-4
-6
-0.1
-0.2
-0.3
-0.4
-8
-10
0
5000
10000
Frequency (Fs)
15000
20000
0
5000
10000
Frequency (Fs)
15000
20000
Figure 52 De-emphasis Frequency Response (44.1kHz)
Figure 53 De-emphasis Error (44.1kHz)
0
0.4
0.3
0.2
0.1
0
-2
-4
-6
-0.1
-0.2
-0.3
-0.4
-8
-10
0
5000
10000
Frequency (Fs)
15000
20000
0
5000
10000
Frequency (Fs)
15000
20000
Figure 54 De-emphasis Frequency Response (48kHz)
Figure 55 De-emphasis Error (48kHz)
AI Rev 3.1 June 2004
82
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
