M-984-02 Datasheet - Clare Inc.

M-984-02 Special Information Tone Detector

The M-984-02 Special Information Tone Detector is a monolithic integrated circuit designed to provide reliable detection of many common telephone network status signals. In particular, it detects the signals known as Special Information Tones (SITs) or error tones as defined by the CCITT, and single.

M-984-02 Features

* Detects single-frequency tones used for error indication and call progress in telephone systems

* Provides detection windows for: 400/425 Hz (Call Progress) 950 Hz (Special and error indication) 1400 Hz (Special and error indication) 1800 Hz (Special and error indication)

M-984-02_ClareInc..pdf