Consumer Microcircuits Limited CMX910
the CMX910 fulfils the requirements of the class A and class B marine Automatic Identification System (AIS) transponder market. The CMX910 is half duplex in operation, comprising two parallel I+Q Rx paths and one Tx path. These are configurable for AIS or DSC operation.FEATURES
:● Half-Duplex GM(F)SK, FSK and DSC Capabilities
● Slot/Sample Counter with UTC Timing Interface
● Optimum Co-channel and Adjacent-channel Performance
● Flexible Signal Channels – Two Simultaneous Rx – One Tx – Optional FSK Interface
● AIS Data Formatted and Raw Data Modes
● Supports Carrier-Sensing Channel Access (CSTDMA) Operation
● RF Device-Enable Facilities
● C-BUS Serial Interface with Expansion Port Provisional Issue
● I and Q Radio Interface
● Low-Power (3.0 to 3.6V) Operation
● Low Profile, 64-lead LQFP (L9) and Leadless VQFN (Q1) Packages
● Auxiliary ADC and DAC Functions – 5 x (10-bit) DACs – 5-Input MUX (10-bit) ADC
APPLICATIONS
:● Automatic Identification System (AIS) for Marine Safety
● Class A or B AIS Transponders
● AIS Rx-only Modules Radio Rx1: I/Q downconverter Tx: I/Q RF up- converter Rx2: I/Q downconverter Optional FSK Demod. (FX604) Aux ADC Aux DACs CMX910 Σ−Δ ADCs Σ−Δ DACs Σ−Δ ADCs GMSK/ FSK decoder GMSK/ FSK encoder GMSK/ FSK decoder HDLC/ NRZI decoder...