MC34118 - Voice Switched Speakerphone
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 Rece
MC34118 Features
* Improved Attenuator Gain Range: 52dB Between Transmit and Receive
* Low Voltage Operation for Line-Powered Application (3.0V to 6.5V)
* 4-Point Signal Sensing for Improved Sensitivity
* Background Noise Monitors for Both Transmit and Receive Paths
* Micropho
