參數(shù)資料
型號(hào): PEB2265
廠商: SIEMENS AG
元件分類: Codec
英文描述: Two Channel Codec Filter with IOM㈢-2 Interface (IOM㈢-2 - SICOFI㈢-2)
中文描述: 雙信道編解碼器與國(guó)際移民組織㈢-2接口(移徙㈢-2 - SICOFI㈢-2)
文件頁數(shù): 47/77頁
文件大?。?/td> 851K
代理商: PEB2265
PEB 2265
Transmission Characteristics
Semiconductor Group
47
1997-07-01
1)
Using equal-level, 4-tone method (EIA) at a composite level of
13 dBm0 with frequencies in the range between
300 Hz and 3400 Hz.
Table 8
Parameter
Symbol
Limit Values
typ.
Unit
min
max.
Gain absolute (AGX = AGR = 0)
T
A
= 25
°
C;
V
DD
= 5 V
T
A
= 0
70
°
C;
V
DD
= 5 V
±
5 %
Gain absolute (AGX = 6.02 dB,
AGR =
6.02 dB)
T
A
= 25
°
C;
V
DD
= 5 V
T
A
= 0
70
°
C;
V
DD
= 5 V
±
5 %
Harmonic distortion, 0 dBm0;
f
= 1000 Hz; 2
nd
, 3
rd
order
Intermodulation
1)
R
2
G
– 0.15
– 0.25
±
±
0.10 + 0.15
+ 0.25
dB
dB
– 0.15
– 0.25
±
±
0.10 + 0.15
+ 0.25
– 44
dB
dB
dB
HD
– 50
R
3
IMD
IMD
– 46
– 56
– 85
dB
dB
dB
Crosstalk 0 dBm0;
f
= 200 Hz to 3400 Hz
any combination of direction and channel
Idle channel noise,
Transmit, A-law, psophometric
V
IN
= 0 V
Transmit,
μ
-law, C-message
V
IN
= 0 V
Receive, A-law, psophometric idle code + 0
Receive,
μ
-law, C-message idle code + 0
CT
– 80
N
TP
N
TC
N
RP
N
RC
– 85
5
– 67.4
17.5
– 78.0
12.0
dBm0p
dBmc
dBm0p
dBmc
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