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TP3406 - DASL Digital Adapter

Datasheet Summary

Description

The TP3406 is a complete monolithic transceiver for data transmission on twisted pair subscriber loops It is built on National’s double poly microCMOS process and requires only a single a 5 Volt supply Alternate Mark Inversion (AMI) line coding in which binary ‘1’s are alternately transmitted as a p

Features

  • Complete ISDN PBX 2-Wire Data Transceiver including Y 2 B plus D channel interface for PBX U Interface Y 144 kb s full-duplex on 1 twisted pair using Burst Mode Y Loop range up to 800 meters ( 24AWG) Y Alternate Mark Inversion coding with transmit filter and scrambler for low emi radiation Y Adaptive line equalizer Y On-chip timing recovery no external components Y Standard TDM interface for B channels Y Separate interface for D channel Y 2 048 MHz master clock Y Driver for line transformer Y 4.

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TP3406 DASL Digital Adapter for Subscriber Loops November 1992 TP3406 DASL Digital Adapter for Subscriber Loops General Description The TP3406 is a complete monolithic transceiver for data transmission on twisted pair subscriber loops It is built on National’s double poly microCMOS process and requires only a single a 5 Volt supply Alternate Mark Inversion (AMI) line coding in which binary ‘1’s are alternately transmitted as a positive pulse then a negative pulse is used to ensure low error rates in the presence of noise with lower emi radiation than other codes such as Bi-phase (Manchester) Full-duplex transmission at 144 kb s is achieved on a single twisted wire pair using a burst-mode technique (Time Compression Multiplexed) Thus the device operates as an ISDN ‘U’ Interface for short
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