參數(shù)資料
型號(hào): AK2548
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 7 channel E1 Transceiver
中文描述: 7頻道E1收發(fā)器
文件頁(yè)數(shù): 27/30頁(yè)
文件大?。?/td> 158K
代理商: AK2548
ASAHI K ASEI [AK2548]
C0028-E-00 1999/9
27
RECOMMENDED EXTERNAL CIRCUIT
Transmit Circuit
75
1:2
8.2
±
1%
1uF
470pF
120
1:2.2
9.1
±
1%
1uF
470pF
Trans Rate
R1.R2
C1
C2
Received Circuit
75
20
130
100
120
82
160
R1,R2
R3,R4
Rp
*Rp is protection resistance against surge.
Rp is used for surge current limiting. (ITU-T K.41)
Recommended Transformer Specification
Turns
Ratio
(Typ)
DCR
(Max)
pri
Primary
Inductance
(Min)
Leakage
Inductance
(Max)
Interwinding
Capacitance
(Max)
sec
1:2
1:2.2
1:2
720uH
720uH
1.2mH
0.3uH
0.3uH
0.3uH
30pF
30pF
30pF
0.6
0.6
0.6
1.2
1.3
1.2
Tx 75
Rx
120
AK2548
TTIPx
TRINGx
C1
1:N
R1
R2
C2
AK2548
RTIPx
RRINGx
R1
R3
R2
2:1
R4
Rp
Rp
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