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Agile Zynq-7000 EPP software-defined radio kit

6/20/2012 09:01 PM EDT
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re: Agile Zynq-7000 EPP software-defined radio kit
gah4   6/22/2012 1:08:54 AM
The idea of SDR, software defined radio, is an interesting one. Using a DSP, software, and minimal analog electronics one can build a radio receiver. Digial filters replace tuned analog filters, mixers, and other hard to calibrate circuits in conventional analog radios. But now SDR is also being done in FPGAs, with no software in sight. An FPGA is programmable hardware, though one thing that can be implemented inside is a (soft) processor. One might, though, implement a radio with SDR techniques, but no software! The defining characteristic is digital processing instead of analog processing, not software vs. hardware. Is it too late to change the name? Maybe digitally defined radio would be more accurate. Besides, everyone likes digital systems over analog. (The Zynq implementation might be software based, but I do know that there are HDL (hardware) implementations. -- glen

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