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TP3406 Datasheet Dasl Digital Adapter

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: TP3406 DASL Digital Adapter for Subscriber Loops November 1992 TP3406 DASL Digital Adapter for Subscriber.

General Description

The TP3406 is a plete 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 pression Multiplexed) Thus the device operates as an ISDN ‘U’ Interface for short loop applications typically in a PBX environment providing transmission for 2 B channels and 1 D channel On 24 cable the range is up to 800 meters System timing is based on a Master Slave configuration with the line card end being the Master which controls loop timing and synchronisation All timing sequences necessary for loop activation and de-activation are generated on-chip Selection of Master and Slave mode operation is programmed via the Microwire Control Interface A 2 048 MHz clock which may be synchronized to the system clock controls all transmission-related timing functions

Key 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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More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
TP3401 DASL Digital Adapter
TP3402 DASL Digital Adapter
TP3403 DASL Digital Adapter
TP3404 Quad Digital Adapter
TP3410 TP3410 ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver
TP3420A ISDN S/T Interface Device
TP3420AJ ISDN S/T Interface Device
TP3464 MICROWIRE Interface Device (MID)
TP3465 MICROWIRE Interface Device
TP3040 PCM Monolithic Filter

TP3406 Distributor