AM79Q031 ETC1 [List of Unclassifed Manufacturers], AM79Q031 Datasheet - Page 14

• Manufacturer Part Number: AM79Q031
• Description: Quad Subscriber Line Audio-Processing Circuit (QSLAC) Devices
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

Attenuation Distortion
Group Delay Distortion
For either transmission path, the group delay distortion is within the limits shown in Figure 2. The minimum value
of the group delay is taken as the reference. The signal level should be 0 dBm0.
14
Attenuation (dB)
Delay (µs)
– 0.125
0.125
1
0
2
420
150
200
90
0
300
Transmit only
500 600
Figure 2. Group Delay Distortion
Figure 1. Attenuation Distortion
Receive curve 1 dB
Am79Q02/021/031 Data Sheet
Transmit curve 1.8 dB
QSLAC Device Specification
1000
Frequency (Hz)
Frequency (Hz)
QSLAC Device Specification
(Either Path)
3000
2600
2800
3400
0.75 dB
19256A-007
19256A-006