XR-14412 Datasheet - EXAR

XR-14412 FSK Modem System

The XR-14412 contains all the necessary circuitry to construct a complete FSK modulator/demodulator (MODEM) system. Included is circuitry for pinprogrammable frequency bands, either U.S. or foreign (CCITI) standards for low-speed MODEMS. The XR-14412 provides T2L-compatible inputs and outputs. Inclu.

XR-14412 Features

* for self-testing and an echo suppression tone generator. The XR-14412 utilizes complementary MOS technology for low-power operation. FUNCTIONAL BLOCK DIAGRAM Voo TTLD TYPE ECHO FEATURES Simplex, Half-Duplex, and Full-Duplex Operation Crystal Controlled Answer or Originate Modes Single Supply Oper

XR-14412-EXAR.pdf