DESCRIPTION
This 28 pins IC is an innovative approach to quality handsfreetelephonesets. It results froman extensive research onspeechsignal.

■ NOISE/SPEECH DISCRIMINATION IN EMIS SION AND RECEPTION
■ INTEGRATED SIGNAL GAIN COMPRESSOR IN BOTH MODES
■ PROGRAMMABLE ATTENUATORS IN BOTH MODES
■ ADAPTED TO ACOUSTIC PARAMETERS OF ALL CABINETS
■ LOW OPERATING VOLTAGE 2.5V
■ LOW OPERATING CURRENT 2.1mA
■ CHIP SELECT BETWEEN HANDSFREE AND MONITORING MODES