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LXT307PE Datasheet

  • LXT307PE

  • Telecommunication IC

  • 30頁(yè)

  • ETC

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LXT307
Low-Power E1 Integrated Short-Haul Transceiver
Datasheet
The LXT307 is a fully integrated low-power transceiver optimized for G.703 2.048 Mbps (E1)
applications. It features a constant low output impedance transmitter allowing for high
transmitter return loss. Transmit pulse amplitudes are selectable for various cable types. It is
designed to exceed the latest international specifications, including G.775 and ETS 300 166.
The LXT307 is microprocessor controllable through a serial interface. It can also be controlled
through individual pins in Hardware Mode.
The LXT307 offers a variety of diagnostic features, including transmit and receive monitoring.
The device requires a single 2.048 MHz clock reference for the on chip high performance clock
recovery system. It uses an advanced double-poly, double-metal CMOS process and requires
only a single 5-volt power supply.
Applications
s
s
s
PCM G.703 Interfaces
E1 multiplexer
Digital Access and Cross-connect Systems
(DACS)
s
s
G.703 Trunk line cards for Public
Switching Systems and PABX
High-speed data transmission lines
Product Features
s
s
s
s
s
s
s
s
Low power dissipation 260 mW typical
Constant low output impedance transmitter
regardless of data pattern (3
鈩?/div>
typical)
Low speed reference clock to reduce PC
board noise coupling
Driver short circuit current limited to 50
mA per
OFTEL/BABT recommendations
75/120
鈩?/div>
operation without component
changes
Transmit and receive return loss exceeds
ETSI ETS 300 166 and G.703
Meets or exceeds all ITU specifications
including G.703, G.823 (03/93) and G.775
Compatible with most popular PCM
framers
s
s
s
s
s
s
s
s
s
Line driver, data recovery and clock
recovery functions
Minimum receive signal of 500 mV
Programmable transmit amplitude for 75
鈩?/div>
and 120
鈩?/div>
operation without component
changes
Local and remote loopback functions
Transmit performance monitor with DPM
detecting single line shorts for improved
reliability
Analog/digital LOS monitor per G.775
Receiver jitter tolerance 0.4 UI from 40
kHz to 100 kHz
Serial control interface
Available in 28-pin DIP or PLCC
As of January 15, 2001, this document replaces the Level One document
LXT307 鈥?Low-Power E1 Integrated Short-Haul Transceiver.
Order Number: 249069-001
January 2001

LXT307PE相關(guān)型號(hào)PDF文件下載

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  • 英文版
    Low-Power E1 Integrated Short-Haul Transceiver
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    Low-Power E1 Integrated Short-Haul Transceiver
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    LVL1 [Leve...
  • 英文版
    Low Power T1 PCM Repeaters/Transceivers
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    DECT Twitsted-Pair LIU Transceiver
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    E1 NTU/ISDN PRI Transceiver
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    E1 NTU/ISDN PRI Transceiver
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    T1/E1 Integrated Quad Receiver
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    T1/E1 Integrated Quad Receiver
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  • 英文版
    Dual T1/E1 Line Interface Unit
    LVL1

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