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參數(shù)資料
| 型號： | XRT83L34IV |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PQFP128 |
| 封裝： | 14 X 20 MM, 1.40 MM HEIGHT, TQFP-128 |
| 文件頁數(shù)： | 35/82頁 |
| 文件大?。?/td> | 447K |
| 代理商： | XRT83L34IV |
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XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. P1.3.4
PRELIMINARY
32
diagram for T1 (100
) in the external termination mode.
Figure 15
is a simplified block diagram for E1 (75
) in
the external termination mode.
Table 11
summarizes the transmit terminations.
REDUNDANCY APPLICATIONS
Telecommunication system design requires signal integrity and reliability. When a T1/E1 primary line card has
a failure, it must be swapped with a backup line card while maintaining connectivity to a backplane without
losing data. System designers can achieve this by implementing common redundancy schemes with the
XRT83L34 Line Interface Unit (LIU). The XRT83L34 offers features that are tailored to redundancy
applications while reducing the number of components and providing system designers with solid reference
designs. These features allow system designers to implement redundancy applications that ensure reliability.
The Internal Impedance mode eliminates the need for external relays when using the 1:1 and 1+1 redundancy
schemes.
T
ABLE
10: T
RANSMIT
T
ERMINATION
C
ONTROL
TRATIO
T
URNS
R
ATIO
0
1:2
1
1:2.45
T
ABLE
11: T
RANSMIT
T
ERMINATIONS
TERSEL1
TERSEL0
TXTSEL
TRATIO
R
int
n
R
ext
C
ext
0=
EXTERNAL
SET
BY
CONTROL
BITS
n, R
ext
,
AND
C
ext
ARE
SUGGESTED
SETTINGS
1=
INTERNAL
T1
100
0
0
0
0
0
2.45
3.1
0
0
0
0
1
0
2
3.1
0
0
0
1
x
12.5
2
0
0.68
μ
F
J1
110
0
1
0
0
0
2.45
3.1
0
0
1
0
1
0
2
3.1
0
0
1
1
x
13.75
2
0
0.68
μ
F
E1
75
1
0
0
0
0
2.45
6.2
0
1
0
0
1
0
2
9.1
0
1
0
1
x
9.4
2
0
0.68
μ
F
E1
120
1
1
0
0
0
2.45
6.2
0
1
1
0
1
0
2
9.1
0
1
1
1
x
15
2
0
0.68
μ
F
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83L34IV-F | 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT83L34IVTR | 功能描述:外圍驅動器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83L34IVTR-F | 功能描述:外圍驅動器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83L38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83L38_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
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