Voice Switched Speakerphone with Microprocessor Interface

文件：481.91 Kbytes 页数：28 Pages

Motorola

摩托罗拉

Voice Switched Speakerphone with Microprocessor Interface

文件：481.91 Kbytes 页数：28 Pages

Motorola

摩托罗拉

Voice Switched Speakerphone with Microprocessor Interface

文件：481.91 Kbytes 页数：28 Pages

Motorola

摩托罗拉

ARCHIVED - Voice Switched Speakerphone with Microprocessor Interface

Overview The NXP® MC33218A 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 mute, transmit and receive attenuator \n\n•Supply Voltage Range: 2.7 to 6.5 V\n\n•Attenuator Range: 53 or 27 dB (Selectable)\n\n•2 Point Sensing with Background Noise Monitor in Each Path\n\n•Microprocessor Port for Control of:\n\n•Volume Control (40 dB Range over 16 Levels)\n\n•Mute Microphone Amplifier\nForce to Receive, Transmit, or ;

恩XP

恩智浦