參數(shù)資料
型號: PEF24902H
英文描述: ?Quad ISDN Echocancellation Circuit Analog Front End - 2B1Q/4B3T Code?
中文描述: ?四整體數(shù)位服務(wù)網(wǎng)路Echocancellation電路模擬前端- 2B1Q/4B3T代碼?
文件頁數(shù): 34/73頁
文件大?。?/td> 1618K
代理商: PEF24902H
PEB 2466
PEF 2466
Operational Description
Hardware Reference Manual
25
2001-02-20
4.2.17
Out-of-Band Idle Channel Noise at Analog Output
With an idle code (any sequence of constant PCM octets) applied to the digital input, the
level of any resulting out-of-band power spectral density at the analog output, measured
with 3 kHz bandwidth, will be not greater than the limit curve shown in
Figure 15
.
Figure 15
Analog Output: Out-of-Band Idle Channel Noise
-100
f
10
1
2
10
3
10
4
10
kHz
-90
-80
-70
-60
-50
-55
-40
dBm0
-78
O
2466_216
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