參數(shù)資料
型號(hào): AM79Q031
廠商: Electronic Theatre Controls, Inc.
英文描述: Quad Subscriber Line Audio-Processing Circuit (QSLAC) Devices
中文描述: 四用戶線路音頻處理電路(QSLAC)設(shè)備
文件頁(yè)數(shù): 14/68頁(yè)
文件大小: 1361K
代理商: AM79Q031
14
Am79Q02/021/031 Data Sheet
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.
2
1
0
Frequency (Hz)
0.75 dB
0.125
0.125
Receive curve 1 dB
QSLAC Device Specification
19256A-006
Figure 1. Attenuation Distortion
Attenuation (dB)
200
300
3000
3400
Transmit curve 1.8 dB
Transmit only
0
90
150
420
QSLAC Device Specification
(Either Path)
Frequency (Hz)
19256A-007
Delay (
μ
s)
Figure 2. Group Delay Distortion
500 600
1000
2600
2800
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