PBL38541 - Universal Speech Circuit

Product Overview

Ericsson

Part number	PBL38541
Manufacturer	Ericsson
File Size	277.23 KB
Description	Universal Speech Circuit
Datasheet	PBL38541 Datasheet
Additional preview pages of the PBL38541 datasheet.

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).

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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Published: Mar 22, 2005 |