CML Microcircuits White Papers

CML – Bringing the Flexibility of Software Defined Radio to Narrowband and Industrial Wireless Applications


A Software-Defined Radio (SDR) is one that implements some traditional hardware radio functions in software. For example, in the extreme case one can use a high performance Analog-to-Digital Converter (ADC) to digitize a wide swath of RF spectrum, then implement functions in software to provide the down-conversion mixer, filtering, and baseband recovery. Such a radio implementation is very powerful, as it can make “on the fly” adjustments to recover different types of radio signals across a wide range of frequencies. However, this ultimate flexibility comes at the cost of high power consumption, the expense of cutting-edge performance ADC and Digital Signal Processor (DSP) devices and the significant challenge of developing underlying software algorithms.

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