Le79228
Data Sheet
Figure 8. Total Distortion with Tone Input, Both Paths
Acceptable Region
B
A
A-Law
35.5dB 35.5dB
35.5dB 35.5dB
µ-Law
A
B
C
D
C
D
30dB
25dB
31dB
27dB
Signal-to-Total
Distortion (dB)
-45 -40
-30
0
Input Level (dBm0)
Overload Compression
Figure 9 shows the acceptable region of operation for input signal levels above the reference input power (0 dBm0). The
conditions for this figure are:
(1) 1 dB < GX ≤ +12 dB; (2) –12 dB ≤ GR < –1 dB; (3) Digital voice output connected to digital voice input; and (4) measurement
analog to analog.
Figure 9. A/A Overload Compression
9
8
7
6
Fundamental
Output Power
Acceptable
Region
5
4
3
(dBm0)
2.6
2
1
7
8
9
1
2
3
4
5
6
Fundamental Input Power (dBm0)
18
Zarlink Semiconductor Inc.
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