PBL38814 Voice - switched 2-channel Circuit with loudspeaker amplifier

Ericsson

Description

PRELIMINARY May 1998 PBL 388 14 Voice - switched 2-channel Circuit with loudspeaker amplifier .
The PBL 388 14 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance voice sw.

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Datasheet Specifications

Part number: PBL38814
Manufacturer: Ericsson
File Size: 239.32 KB
Datasheet: PBL38814_Ericsson.pdf
Description: Voice - switched 2-channel Circuit with loudspeaker amplifier

Features

* the power amplifiers volume control can be implemented either as an ac. potentiometer control or as a digital control by a µprocessor (dc. control) and that the feedback loop of the power amplifier is accessible thus making it possible to add a simple external power stage driving low impedance loud

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PBL38814 Voice switched 2-channel Circuit with loudspeaker amplifier Ericsson

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