PBL38570 - Universal Speech Circuit

Product Overview

Ericsson

Part number	PBL38570
Manufacturer	Ericsson
File Size	238.00 KB
Description	Universal Speech Circuit
Datasheet	PBL38570 Datasheet
Additional preview pages of the PBL38570 datasheet.

PBL 38570 is a monolithic integrated speech transmission circuit for use in electronic telephones.

Minimum number of external components, 7 capacitors and 11 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. A separate input for DTMF tones controlled by mute. Transmitter and receiver gain regulation for automatic loop loss compensation. Extended current and voltage range 5 - 130 mA, down to 2 V. Differential microphone input for good balance to ground. Balanced receiver output stage. Stabilized DC - supplies for low current CM.

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Published: Mar 22, 2005 |