CMX673
Call Progress Tone Detector
D/673/5 June 2001 Provisional Issue
Features
Worldwide Tone Compatibility Single and Dual Tones Detected Wide Dynamic Signal Range Fast Response Time Low Power Operation 500µA at 3.0V 3.58MHz Xtal/Clock Oscillator
Applications
Worldwide Payphone Systems Telephone Redialling Systems Dialling Modems ...
