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LS156

Part Number	LS156
Manufacturer	SGS
Description	TELEPHONE SPEECH CIRCUIT
Published	Sep 22, 2017
Detailed Description	LINEAR INTEGRATED CIRCUIT PRELIMINARY DATA TELEPHONE SPEECH CIRCUIT WITH MULTIFREOUENCY TONE GENERATOR INTERFACE The LS1...
Datasheet	LS156 PDF File

Overview

LINEAR INTEGRATED CIRCUIT PRELIMINARY DATA TELEPHONE SPEECH CIRCUIT WITH MULTIFREOUENCY TONE GENERATOR INTERFACE The LS156 is a monolithic integrated circuit in 16-lead dual in-line plastic package to replace the hybrid circuit in telephone set.
It works with the same type of transducers for both transmitter and receiver (typically piezoceramic capsules, but the device can work also with dynamic ones).
Many of its electrical characteristics can be controlled by means of external components to meet different specifications.
In addition to the speech operation, the LS156 acts as an interface for the MF tone signal (particularly for M761 C/MOS frequency synthesizer).
The LS156 basic functions a...

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