Baseband processor IC addressing Class-A/B marine AIS

14 June 2006 Telecoms, Datacoms, Wireless, IoT

CML has released to market the CMX910, an integrated baseband signalling processor IC, providing all of the required baseband processing, control and data formatting/unformatting for global designers of marine automatic identification systems (AIS).

The CMX910 is highly integrated reducing component-count, which enables very small AIS units to be conceived. An ultra-low-power IC (3,0 V), many of the on-chip functions can be powersaved when not actively required.

The device performs channel filtering and signal modulation/demodulation, along with associated AIS functions such as training sequence detection, NRZI conversion and HDLC processing (flags, bit stuffing/de-stuffing, CRC generation/checking and slot-timing). A 1200 bps FSK demodulator interface provides a third parallel decode path. The thoughtful provision of a C-Bus controlled interface expansion port, device-enable ports and versatile auxiliary ADCs and DACs, further simplify system hardware design.

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