AM79Q4457J ETC1 [List of Unclassifed Manufacturers], AM79Q4457J Datasheet - Page 17

• Manufacturer Part Number: AM79Q4457J
• Description: Quad Subscriber Line Audio Processing Circuit-Non-Programmable (QSLAC-NP) Devices
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

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