IL34118 - Voice Switched Speakerphone Circuit

IK Semiconductor

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Datasheet Details

Part number	IL34118
Manufacturer	IK Semiconductor
File Size	830.51 KB
Description	Voice Switched Speakerphone Circuit
Datasheet	IL34118_IKSemiconductor.pdf

IL34118 Product details

Description

INTRODUCTION The fundamental difference between the operation of a speakerphone and a handset is that of half-duplex versus full-duplex.The handset is full duplex since conversation can occur in both directions (transmit and receive) simultaneously.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 acou

Features

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

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Published: Dec 20, 2005 |