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PBL3766 - Subscriber Line Interface Circuit

General Description

The PBL 3766 Subscriber Line Interface Circuit (SLIC) is a monolithic integrated circuit, manufactured in 75 V bipolar technology.

The PBL 3766 SLIC facilitates the design of cost effective, high performance on-premises (ONS) analog line interface cards for PABX systems and terminal adapters.

Key Features

  • Low cost.
  • Few external components.
  • Programmable, constant current loop feed.
  • Line feed characteristics independent of battery supply variations.
  • -24 V to -58 V battery supply voltage range.
  • Detectors.
  • programmable loop current detector.
  • ring trip detector.
  • Ring relay driver.
  • Hybrid function with conventional or programmable CODEC/filters w Ring Relay Driver 5/3.

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Datasheet Details

Part number PBL3766
Manufacturer Ericsson Components
File Size 168.13 KB
Description Subscriber Line Interface Circuit
Datasheet download datasheet PBL3766 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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September 1997 PBL 3766, PBL 3766/6 Subscriber Line Interface Circuit Description The PBL 3766 Subscriber Line Interface Circuit (SLIC) is a monolithic integrated circuit, manufactured in 75 V bipolar technology. The PBL 3766 SLIC facilitates the design of cost effective, high performance on-premises (ONS) analog line interface cards for PABX systems and terminal adapters. Small package size and few required external components result in a miniaturized design. The PBL 3766 programmable, constant current loop feed system can operate with battery supply voltages between -24 V and -58 V. The SLIC incorporates loop current and ring trip detection functions as well as a ring relay driver. The two- to four-wire and four- to two-wire voice frequency (vf) signal conversion, i.e.