PBL38541 Datasheet Universal Speech Circuit

Manufacturer: Ericsson

Overview: PBL 385 41 November 1998 PBL 385 41 Universal Speech Circuit.

Datasheet Details

Part number	PBL38541
Manufacturer	Ericsson
File Size	277.23 KB
Description	Universal Speech Circuit
Datasheet	PBL38541_Ericsson.pdf

General Description

PBL 38541 is a monolithic integrated speech transmission circuit for use in electronic telephones or in any other line interface application.

High settable supply current for auxiliary functions, up to 6.0 mA (at high line currents).

Key Features

Minimum number of external components, with two filtered DCsupplies, 7 capacitors and 11 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. A separate signaling input for payphone and DTMF tones controlled by mute. Transmitter and receiver gain regulation for automatic loop loss compensation. Extended current and voltage range 4 - 130 mA, down to 2 .2V. Differential microphone input for good balance to ground. Balanced receiver ou.

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