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LXT334 Datasheet PDF

Intel LXT334

The LXT334 is a quad, short-haul, PCM transceiver for 2.048 MHz or 1.544 MHz transmission systems. Its low impedance transmit output drivers provide constant line impedance whether transmitting marks or spaces. The output pulse amplitudes are also constant, stabilized against supply voltage variations.
Part No. LXT334
Datasheet LXT334 Download
Manufacturer
Intel
Description Quad Short Haul Transceiver
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LXT334 datasheet page 1 preview

APPLICATIONS

s High density line cards using digital backend ASICs Product

FEATURES

s s s s s s Fully integrated quad, short-haul PCM transceiver for G.703 2.048 Mbps or 1.544 Mbps operation Single rail supply voltage of 5 V (typical) Low power consumption of 410 mW (typical) Programmable G.703 transmit pulse shaping for G.703 75 Ω, 100 Ω and 120 Ω systems High performance line drivers with constant low impedance for 20 dB return loss (typical) exceeds ETSI 300 166 On-chip band gap voltage reference for stabilized, constant output amplitude s s s s s s s s s High-performance receivers recover data with up to 12 dB cable attenuation Low frequency 1.544 or 2.048 MHz reference clock On-chip clock recovery function Programmable unipolar and bipolar PCM interface On-chip AMI and HDB3 encoder/decoder On-chip Driver Failure Monitoring circuit Local and remote loopback testing function Independent Loss of Signal processor for each channel conforms to ITU G.775 recommendation Small-footprint 64-pin QFP As of January 15, 2001, this document replaces the Level One document LXT334 — Quad Short-Haul Transceiver with Clock Recovery.
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