MT8964 Zarlink Semiconductor, Inc., MT8964 Datasheet - Page 20

• Manufacturer Part Number: MT8964
• Description: Integrated CODEC with u-Law companding and CCITT PCM encoding (18 pin PDIP)
• Manufacturer: Zarlink Semiconductor, Inc.

MT8960/61/62/63/64/65/66/67
6-38
40
30
20
10
40
30
20
10
0
0
-60
-60
6b. CCITT Method 2
6a. CCITT Method 1
14.3
-55
12.6
-50
-50
Figure 13 - Signal to Total Distortion Ratio vs Input Level
24.3
25.4
29.3
30.4
22.0
-40
-40
29.3
27.0
27.6
33.9
Input Level (dBm0)
Input Level (dBm0)
-34
32.2
36.4
-30
-30
35.3
33.0
35.6
33.9
-27
ISO
2
-CMOS
-20
-20
-10
-10
26.3
-6
33.0
1
2
-3
Channel Spec
36.4
35.3
28.0
CCITT End-To-End
0
0
1
2
1
2
End-To-End
Channel Spec
Channel Spec
Spec
CCITT
Spec
+3
D/A
A/D