16 / 68 page

16
Am79Q02/021/031 Data Sheet
Total Distortion, Including Quantizing Distortion
The signal-to-total distortion will exceed the limits shown in Figure 4 for either transmission path when the input is
a sine wave signal of frequency 1014 Hz.
Input Level (dBm0)
30
35.5
–30
–40
–45
QSLAC Device
Specification
25
19256A-010
35.5
a. A-law
Signal-to-Total
Distortion (dB)
0
Input Level (dBm0)
31
35.5
–30
–40
–45
27
19256A-011
35.5
Signal-to-Total
Distortion (dB)
b.
µ-law
Figure 4. A-law/
µ-law Total Distortion with Tone Input (Both Paths)
QSLAC Device
Specification
+3
0
+3