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參數資料
| 型號： | LXT332QE |
| 英文描述： | Line Interface |
| 中文描述： | 線路接口 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 395K |
| 代理商： | LXT332QE |
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LXT331
Dual T1/E1 Line Interface Unit
Datasheet
The LXT331 is a Dual Line Interface Unit (DLIU) optimized for North America 1.544 Mbps
(T1) and international 2.048 Mbps (E1/CEPT) applications. It features a constant low output
impedance transmitter for high return loss. Transmit pulse shape is selectable for various line
lengths and cable types. The data recovery circuit also offers selectable slicer ratios for T1 or E1
applications.
The LXT331 offers both a serial interface (SIO) for microprocessor control and a hardware
control mode for stand-alone operation.
The LXT331 offers a variety of advanced diagnostic and performance monitoring features. It
uses an advanced double-poly, double-metal CMOS process and requires only a single 5-volt
power supply.
Applications
Product Features
I
Digital Access and Cross-connect Systems
(DACS)
I
T1/E1 Multiplexer
I
SONET/SDH Multiplexers
I
Digital Loop Carrier (DLC) terminals
I
Cost efficient AFE for Digital Backend
ASICS
I
Analog LOS using PMRK/NMRK
I
Complete line driver and data recovery
functions
I
Constant low output impedance transmitter
with a programmable equalizer that shapes
pulses to meet the DSX-1 pulse template
from 0 to 655 ft.
I
High transmit and receive return loss
I
Meets or exceeds industry specifications
including ITU G.703 and ANSI T1. 102-
1993
I
Compatible with industry standard framers
I
Minimum receive signal of 500 mV, with
selectable slicer levels (E1/DSX-1) to
improve SNR
I
Analog loopback function
I
Transmit performance monitors with
Driver Fail Monitor (DFM) output for
transmit driver short circuit detection
I
Transmit Driver Performance Monitor
(DPM) output on external pins MTIP and
MRING
I
Available in 44-pin PLCC and 44-pin QFP
packages
As of January 15, 2001, this document replaces the Level One document
LXT331 — Dual T1/E1 Line Interface Unit
.
Order Number: 249074-001
January 2001
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| LXT334&LXT304A | LXT334 & LXT304A - LXT334 & LXT304A ?Low Cost & High Performance Quad E1 Interface Solution |
| LXT336QE | PCM RECEIVER|QUAD|CEPT PCM-30/E-1|CMOS|QFP|64PIN|PLASTIC |
| LXT350PE | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| LXT361LE | Telecommunication IC |
| LXT361PE | Telecommunication IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LXT334 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Quad Short Haul Transceiver with Clock Recovery |
| LXT334&LXT304A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LXT334 & LXT304A - LXT334 & LXT304A ?Low Cost & High Performance Quad E1 Interface Solution |
| LXT335 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Quad Short Haul PCM Analog Interface |
| LXT336QE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM RECEIVER|QUAD|CEPT PCM-30/E-1|CMOS|QFP|64PIN|PLASTIC |
| LXT350 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Integrated T1/E1 S/H Transceivers With Crystal-less Jitter Attenuation |
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