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參數(shù)資料
| 型號： | XRT7295AT |
| 廠商： | Exar Corporation |
| 英文描述： | DS3/Sonet STS-1 Integrated Line Receiver |
| 中文描述： | DS3/Sonet STS - 1的集成線路接收器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 1072K |
| 代理商： | XRT7295AT |
XRT7295AT
DS3/Sonet STS-1
Integrated Line Receiver
Rev. 1.20
E
2000
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
z
(510) 668-7000
z
FAX (510) 668-7017
December 2000-2
FEATURES
D
Fully Integrated Receive Interface for DS3 and
STS-1 Rate Signals
D
Integrated Equalization (Optional) and Timing
Recovery
D
Loss-of-Signal and Loss-of-Lock Alarms
D
Variable Input Sensitivity Control
D
5V Power Supply
D
Pin Compatible with XRT7295AE and XRT7295AC
D
Companion Device to T7296 Transmitter
APPLICATIONS
D
Interface to DS-3 Networks
D
Digital Cross-Connect Systems
D
CSU/DSU Equipment
D
PCM Test Equipment
D
Fiber Optic Terminals
GENERAL DESCRIPTION
The XRT7295AT DS3/SONET STS-1 integrated line
receiver is a fully integrated receive interface that
terminates a bipolar DS3 (44.736Mbps) or Sonet STS-1
(51.84Mbps) signal transmitted over coaxial cable. (See
Figure 13
).
The device also provides the functions of receive
equalization (optional), automatic-gain control (AGC),
clock-recovery and data retiming, loss-of-signal and
loss-of-frequency-lock detection.
interface is dual-rail, with received positive and negative
1s appearing as unipolar digital signals on separate
output leads. Theon-chipequalizerisdesignedforcable
distances of 0 to 450ft. from the cross-connect frame to
the device.
The receive input has a variable input
sensitivity control, providing three different sensitivity
The digital system
settings, to adapt longer cables. High input sensitivity
allows for significant amounts of flat loss within the
system.
Figure 1
shows the block diagram of the device.
The XRT7295AT device is manufactured using linear
CMOS technology. The XRT7295AT is available in a
20-pin plastic SOJ package for surface mounting.
Two versions of the chip are available, one is for either
DS3 or STS-1 operation (the XRT7295AT, this data
sheet),andtheotherisforE3operation(theXRT7295AE,
refer to the XRT7295AE data sheet). Both versions are
pin compatible.
For either DS3 or STS-1, an input reference clock at
44.736MHz
or
51.84MHz
reference for the device.
provides
the
frequency
ORDERING INFORMATION
Part No.
Package
Operating
Temperature Range
XRT7295ATIW
20 Lead 300 Mil JEDEC SOJ
-40
°
C to + 85
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT7295ATIW | DS3/Sonet STS-1 Integrated Line Receiver |
| XRT7295 | () |
| XRT7296 | INTEGRATED LINE TRANSMITTER |
| XRT7296IP | INTEGRATED LINE TRANSMITTER |
| XRT7296IW | INTEGRATED LINE TRANSMITTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT7295AT_10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:DS3 SONET STS1 Integrated Line Receiver |
| XRT7295ATIW | 功能描述:外圍驅(qū)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 |
| XRT7295ATIW-F | 功能描述:外圍驅(qū)動器與原件 - PCI -.5V--6.5V temp -45 to 85C 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 |
| XRT7295ATIW-F | 制造商:Exar Corporation 功能描述:T3/E3 LIU IC |
| XRT7295ATIWTR | 功能描述:外圍驅(qū)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 |
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