Solid State Supplies offering new digital radio processor from CML Microcircuits

Solid State Supplies has made available a new digital radio processor from CML Microcircuits, an innovator in low-power semiconductors for global wireless and two-way radio communications markets. The CMX7161 is a new low-power Digital Radio Processor specifically targeted at two-slot TDMA digital radio systems, including Digital Mobile Radio (DMR).

The CMX7161 is based upon CML’s FirmASIC technology with Function Image 7161FI-1.x and implements a high-performance half-duplex digital radio modem that complies with the ETSI TS 102 361 DMR standard. The device uses root-raised cosine 4FSK modulation in a 12.5kHz radio channel to automatically handle slot timing and synchronisation. An integrated analogue interface removes the need for external audio codecs and provides maximum support to a host microcontroller, when combined with a range of intelligent auxiliary functions.

The CMX7161 provides a direct connection to the CMX994 Direct Conversion Receiver (DCRx), enabling the implementation of a highly integrated DMR radio. The CMX7161/CMX994 is a chip-combo that enables new DMR manufacturers and designs to enter into the digital PMR arena with market-leading products.

To enable a fast development path for new manufacturers entering the DMR market, the DE9943 SDR two-slot TDMA SDR demonstrator board is also available. This board combines the CMX7161 baseband device, CMX994 RF DCRx device and also includes the CMX7262 TWELP professional radio vocoder, host controller, keyboard and display, enabling DMR peer-to-per operation in a standalone configuration.

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