AM79Q4457 Datasheet, PDF (17/44 Pages) List of Unclassifed Manufacturers – Quad Subscriber Line Audio Processing Circuit-Non-Programmable (QSLAC-NP) Devices

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.
QSLAC-NP Device
Specification
35.5
30
25
35.5 ^{Signal-to-Total}
Distortion (dB)
–45 –40 –30
+3
Input Level (dBm0)
Figure 4a. A-law Total Distortion with Tone Input (Both Paths)
20013A-010
QSLAC-NP Device
Specification
35.5
31
27
35.5 ^{Signal-to-Total}
Distortion (dB)
–45 –40 –30
+3
Input Level (dBm0)
Figure 4b. µ-law Total Distortion with Tone Input (Both Paths)
20013A-011
SLAC Products
17