参数资料
型号: WJLXT361LEA2
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP44
封装: 10 X 10MM, LQFP-44
文件页数: 27/55页
文件大小: 1045K
代理商: WJLXT361LEA2
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications — LXT361
Datasheet
33
Table 18. Transmit Return Loss (2.048 Mbit/s–Long-Haul) High Return
Loss Configuration
EC4-1
Xfrmr/Rt
RL (
Ω)CL (pF)
Return Loss (dB)
1001
1:2/
15
Ω
120
019
470
28
1:1.53/15
Ω
75
018
470
28
Table 19. Transmit Return Loss (2.048 Mbit/s–Long-Haul)
EC4-1
Xfrmr/Rt
RL (
Ω)CL (pF)
Return Loss (dB)
1010
1:2/
9.1
Ω
120
012
470
13
75
016
470
18
Table 20. Transmit Return Loss (1.544 Mbit/s–Long- or Short-Haul)
EC4-1
Xfrmr/Rt
RL (
Ω)CL (pF)
Return Loss (dB)
Refer to
1:2/9.1
Ω
100
016
470
17
1:1.15
1/
0
Ω
100
02
470
2
1. A 1:1.15 transmit transformer keeps the total transceiver power
dissipation at a low level, a 0.47
μF DC blocking capacitor must
be placed on TTIP or TRING.
Table 21. Transformer Specifications for LXT361
Tx/Rx
Frequency
MHz
Turns
Ratio
Primary
Inductance
μH (minimum)
Leakage
Inductance
μH
(max)
Interwinding
Capacitance
pF
(max)
DCR
Ω
(maximum)
Dielectric
1
Breakdown
V
(minimum)
Tx
1.544
1:1.15
600
0.80
60
0.90 pri, 1.70 sec
1500 VRMS
2.048
1:2.3
600
0.80
60
0.70 pri, 1.20 sec
1500 VRMS
2
1.544/2.048
1:2
600
0.80
60
0.70 pri, 1.20 sec
1500 VRMS2
Rx
1.544/2.048
1:1
600
1.10
60
1.10 pri, 1.10 sec
1500 VRMS
2
1. Some ETSI applications may require a 2.3 kV dielectric breakdown voltage.
2. Some applications require transformers with center tap (Long-Haul applications with DC current in the E1/T1 loop).
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