Le79228
Data Sheet
Gain Linearity
The gain deviation relative to the gain at –10 dBm0 is within the limits shown in Figure 6 (A-law) and Figure 7 (µ-law) for either
transmission path when the input is a sine wave signal of 1014 Hz.
Figure 6. A-law Gain Linearity with Tone Input (Both Paths)
1.5
0.55
0.25
Input
Level
Acceptable Region
Gain (dB)
0
-55 -50
-40
-10
0
+3
(dBm0)
-0.25
-0.55
-1.5
Figure 7. µ-law Gain Linearity with Tone Input (Both Paths)
1.4
0.45
0.25
Input
Level
Acceptable Region
Gain (dB)
0
+3
-55 -50
-37
-10
0
(dBm0)
-0.25
-0.45
-1.4
Total Distortion Including Quantizing Distortion
The signal to total distortion ratio will exceed the limits shown in Figure 8 for either path when the input signal is a sine wave
signal of frequency 1014 Hz.
17
Zarlink Semiconductor Inc.