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IL34118

IK Semiconductor
Part Number IL34118
Manufacturer IK Semiconductor
Description Voice Switched Speakerphone Circuit
Published Dec 20, 2005
Detailed Description TECHNICAL DATA Voice Switched Speakerphone Circuit The IL34118 Voice Switched Speakerphone Circuit incorporates the nec...
Datasheet PDF File IL34118 PDF File

IL34118
IL34118

Overview
TECHNICAL DATA Voice Switched Speakerphone Circuit The IL34118 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.
Also included are two line driver amplifi...


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