Digital IC CMX983
programmable

digital IC
digital IC
digital IC
digital IC
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Characteristics

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programmable, digital

Description

The CMX983 is an Analogue Front End (AFE) IC that bridges the gap between a digital radio’s RF section and the DSP/FPGA. Specifically designed to meet the needs of a Software Defined Radio (SDR). It is suitable for radio systems employing modulation bandwidths up to 50kHz in wideband mode and up to 25kHz in narrowband mode. The CMX983 connects seamlessly with CML’s CMX994 Direct Conversion Receiver and the CMX998 Cartesian Feedback Loop Transmitter, to provide a complete small form factor, RF-to-digitised baseband solution. The device is widely used in high performance wireless data systems including: military and satellite communication, professional two-way radio and wireless telemetry applications. Rx channel – Two 16-bit Σ-Δ A/D Converters – Programmable Channel Filter Tx Channel – Two 14-bit Σ-Δ D/A Converters – Programmable Channel Filter RF Support – Two 2.1GHz Fractional-N Synthesisers Auxiliary Functions – 10-bit A/D Converter supporting (8-inputs) – Five Analogue Comparators – Nine 10-bit D/A Converters DSP Interface – BUS Control and Configuration Port – Fast Serial Interface for Rx/Tx Data Duplex and Half duplex operation Direct connection to: – CMX998 Cartesian Loop Transmitter – CMX994 Direct Conversion Receiver Low power operation – 3.3V and 1.8v supplies Small 64-lead VQFN Package
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