WM8746
Production Data
DIGITAL DE-EMPHASIS CHARACTERISTICS
0
1
0.5
0
-2
-4
-0.5
-1
-6
-1.5
-2
-8
-2.5
-3
-10
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Frequency (kHz)
Frequency (kHz)
Figure 18 De-Emphasis Frequency Response (32kHz)
Figure 19 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
5
10
15
20
0
5
10
15
20
Frequency (kHz)
Frequency (kHz)
Figure 20 De-Emphasis Frequency Response (44.1kHz)
Figure 21 De-Emphasis Error (44.1kHz)
0
1
0.8
0.6
0.4
0.2
0
-2
-4
-6
-0.2
-0.4
-0.6
-0.8
-1
-8
-10
0
5
10
15
20
0
5
10
15
20
Frequency (kHz)
Frequency (kHz)
Figure 22 De-Emphasis Frequency Response (48kHz)
Figure 23 De-Emphasis Error (48kHz)
March 2006, PD Rev 4.0
27
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
