參數(shù)資料
型號(hào): AM79C202
廠(chǎng)商: Electronic Theatre Controls, Inc.
英文描述: Advanced Subscriber Line Interface Circuit
中文描述: 高級(jí)用戶(hù)線(xiàn)接口電路
文件頁(yè)數(shù): 29/48頁(yè)
文件大小: 501K
代理商: AM79C202
ASLIC/ASLAC Products
29
Total Distortion, Including Quantizing Distortion
The signal-to-total distortion ratio will exceed the limits shown in Figure 5 for either path when the input signal is a
sine wave signal of frequency 1014 Hz.
Improved distortion at lower levels in LSSGR applications can be obtained by proper selection of the GX and GR
ranges.
Figure 5. Total Distortion with Tone Input (Both Paths)
Input Level (dBm0)
Signal-to-Total
Distortion (dB)
ASLAC Device Specification
0
30
40
45
C
D
A
A-law μ-law
A 35.5 dB 35.5 dB
B 35.5 dB 35.5 dB
C 30 dB 31 dB
D 25 dB 27 dB
B
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