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Speakerphone circuit based on MC34018

Published on Feb 08 2010 // Telephone Communication Circuits

 

MC34018 speakerphone circuit

The circuit is mainly based on MC34018 IC. The IC itself is a speaker phone integratesd IC, which helps to design a high quality hands-free speaker-phone system. The applications includes office speaker-phones, intercom systems, hand free kit for mobile phones, and others. It also includes a keypad interfacing IC. With this IC, a effective speakerphone without any noise distarctions can be designed.

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