SL34118 - Voice Switched Speakerphone Circuit

Product Overview

System Logic Semiconductor

Datasheet Details

Part number	SL34118
Manufacturer	System Logic Semiconductor
File Size	136.75 KB
Description	Voice Switched Speakerphone Circuit
Datasheet	SL34118 Datasheet
Additional preview pages of the SL34118 datasheet.

Product details

Description

INTRODUCTION The fundamental difference between the operation of a speakerphone and a handset is that of halfduplex versus full-duplex.The handset is full duplex since conversation can occur in both directions (transmit and receive) simultaneousiy.A speakerphone has higher gain levels in both paths, and attempting to converse full duplex results in oscillatory problems due to the loop that exists within the system.The loop is formed by the receive and transmit paths, the hybrid, and the acous

Features

of a featurephone.
Improved Attenuator Gain Range: 52 dB Between Transmit and Receive Low Voltage Operation for Line-Powered.

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Published: Apr 8, 2005 |