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Basics of Software Defined Radio

Posted: 06 Nov 2007     Print Version  Bookmark and Share

Keywords:software-defined radio  DSPs  FPGAs 

Over the last decade as semiconductor technology has improved both in terms of performance capability and cost, new radio technologies have emerged from military and R&D labs and become mainstream technologies. One of these technologies is software-defined radio (SDR). This article provides a basic discussion on SDRs and their components such as digital signal processors (DSPs), field programmable gate arrays (FPGAs), analogue-to-digital converters (ADC), and digital-to-analogue (DAC) converters. Also discussed are the aspects of SDRs.

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