參數(shù)資料
型號(hào): LXT363LE
英文描述: PCM TRANSCEIVER|SINGLE|T-1(DS1)|CMOS|QFP|44PIN|PLASTIC
中文描述: 的PCM收發(fā)器|單|的T 1(DS1的)|的CMOS | QFP封裝| 44PIN |塑料
文件頁數(shù): 32/52頁
文件大小: 1187K
代理商: LXT363LE
LXT361
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
32
Datasheet
5.0
Application Information
5.1
Transmit Return Loss
Table 16
shows the specification for transmit return loss in E1 applications. The G.703/CH PTT
specification is a Swiss Telecommunications Ministry specification.
Table 17
through
Table 20
show the transmit return loss values for E1 Short- and Long-Hual and
T1 applications.
Table 26
shows the receive return loss values.
5.2
Transformer Data
Specifications for transformers are listed in
Table 21
. A list of transformers recommended for use
with the LXT361 are specified in
Table 22
.
5.3
Application Circuit
Figure 11
shows a typical LXT361 application circuit.
Table 16. E1 Transmit Return Loss Requirements
Frequency
Band
Return Loss
ETS 300 166
G.703/CH PTT
51-102 kHz
6 dB
8 dB
102-2048 kHz
8 dB
14 dB
2048 - 3072 kHz
8 dB
10 dB
Table 17.
Transmit Return Loss (2.048 Mbit/s
Short-Haul)
EC4-1
Xfrmr/Rt
R
L
(
)
C
L
(pF)
Return Loss (dB)
1000
1:2/
9.1
75
0
14
470
16
120
0
12
470
13
1:2.3/9.1
120
0
13
470
16
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