SDR demonstration platform for linear radio systems available from Solid State Supplies

Solid State Supplies has announced the availability of a new Software Defined Radio (SDR) demonstration board from CML Microcircuits, a company that designs, develops and supplies low-power analogue, digital and mixed-signal telecommunication semiconductors.

The DE9941 is a credit card sized demonstration platform for a complete linear modulation-based SDR for wireless data applications. It is designed to be both small and low-cost with a minimal number of components/values. The small form factor of just 83mm x 55mm is possible because of the high integration of key functions provided by CML’s market-leading RF and Baseband product offerings: the CMX998, CMX994 and CMX7164.

The CMX998 is a Cartesian Loop Transmitter IC providing optimum PA linearisation for non-constant envelope/linear systems. The CMX994 is a Direct Conversion Receiver, providing direct conversion from RF down to I/Q baseband. The CMX7164 multi-mode Wireless Data Modem IC, based on FirmASIC technology, offers multiple modulation schemes that can be uploaded into the device via Function Image.

The DE9941 can be used to demonstrate transmit and receive performance with 4/16/64 QAM linear modulation and constant-envelope modulation schemes such as 2/4-level FSK and GMSK, which are also available on the CMX7164 Multi-mode Wireless Data Modem. Together with CML’s PE0002 interface board, a full transceiver can be demonstrated using a Function Image and control scripts.

Included on the board is a 1W power amplifier and RF performance is designed to be compliant with EN 302 561 and EN 300 113.

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