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MC34118

Part Number	MC34118
Manufacturer	ART CHIP
Description	VOICE SWITCHED SPEAKERPHONE
Published	Oct 7, 2019
Detailed Description	MC34118 Specifications and Applications Information VOICE SWITCHED SPEAKERPHONE CIRCUIT The MC34118 Voice Switched Spe...
Datasheet	MC34118 PDF File

Overview

MC34118 Specifications and Applications Information VOICE SWITCHED SPEAKERPHONE CIRCUIT The MC34118 Voice Switched Speakerphone Circuit incorporates the necessary amplifiers, attenuators, level detectors, and control algorithm to form the heart of a high quality hands-free speakerphone system.
Included are a microphone amplifier with adjustable gain and MUTE control, transmit and Receive attenuators which operate in a complementary manner, level detectors at both input and output of both attenuators, and background noise monitors for both the transmit and receive channels.
A Dial Tone Detector prevents the dial tone from being attenuated by the Receive background noise monitor circuit.
Als...

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