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Adaptive Coded Modulation Added to World leading Wireless Data Modem


Thursday 17 March 2016

CMX7164 Wireless Data Modem IC

Adaptive Coded Modulation Added to World leading Wireless Data Modem

Maldon, Essex - CML Microcircuits, a leading innovator and provider of low-power semiconductors for global wireless data and two-way radio communications markets, has added Adaptive Coded Modulation capabilities to its CMX7164 Multi-mode Wireless Data Modem, QAM modulation suite.


Adaptive Coded Modulation (ACM) features allow modulation type and block format to change on the fly to dynamically select data block size, coding rate and CRC size. Over-air commands enable a Tx host to select optimum modulation type and coding per burst to suit application message size and link channel quality. They can also relax required Rx host parsing speed. SPI Thru-Port macros speed serial slave control for shorter Tx/Rx mode transitions.


The CMX7164 covers both constant envelope and linear modulation schemes including: GMSK/GFSK, 2/4/8/16-level FSK, 4/16/32/64-QAM and V.23 to provide the ideal platform for customer-specific modulation schemes. Together these features make the CMX7164 a truly universal Wireless Data Modem solution.


Combining the CMX7164 with one of CML's RF building blocks enables the highest integration and performance radio data modem application to be developed.


The DE9941 demonstrator/evaluation board is available and enables the CMX7164, CMX994E Direct Conversion Receiver and CMX998 Cartesian Feedback Loop Transmitter to be demonstrated/evaluated.


The CMX7164 is available now, offering low power 3.3V operation in small VQFN/LQFP packaging.

 
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