4-Level FSK Modem Data Pump

The MX919B is a low voltage CMOS device containing all of the baseband signal processing and Medium Access Control (MAC) protocol functions required for a high performance 4-level FSK Wireless Packet Data Modem. It interfaces with the modem host µC and the radio modulation/demodulation circuits to deliver reliable two-way transfer of the application data over a wireless link.

FEATUREs
• 4-Level Root Raised Cosine FSK Modulation
• Half Duplex, 4800 to 19.2kbps
• Increase Channel Bit Rate/Hz
• Full Data Packet Framing
• Impulse and NRZ Signal Modes
• Enhanced Performance in Noisy Conditions
• Error Detection and Error Correction
• Low Power 3.3V/5.0V Operation

APPLICATIONs
• Wireless Data Terminals
• Two Way Paging Systems
• Digital Radio Systems
• Wide Area Wireless Data Broadcasts
• Point to Point Wireless Data Links