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CML Microcircuits launches its wireless data IC, the CMX990. A single-chip GMSK packet-data modem with RF transceiver, this half-duplex IC offers: a versatile baseband modem, IF and RF processing functions, programmable synthesizers, signal level-setting functions and comprehensive on-chip and peripheral control, monitoring and interfacing. Offering a data range of 4 to 16 kb/s with selectable BT values, at RF frequencies of 400 MHz to 1 GHz, the CMX990 is formattable to both freeformat and packet data schemes, is fully Mobitex compatible and can be set to comply with EN 300 113 and FCC CFR 47 Part 90 standards. FEC, CRC, data scrambling and interleaving functions are available. Automatic Rx clock extraction and signal level measurement and compensation allow the CMX990 modem to operate in all signal conditions.

CML Microcircuits

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