Why SDR (Software Defined Radio)?
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Software-defined radio (SDR) is a radio communication system where components that have been traditionally implemented in hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system.
A basic SDR system may consist of a personal computer running SDR software that interfaces with analog-to-digital converter over USB or ethernet, preceded by some form of RF front end with RF amplifiers, filters and attenuators.
f you'd like an even more advanced tool to build your own SDR transceiver, then Red Pitaya's SDRlab is the perfect choice for you! SDRlab is tailored for HF+50MHz SDR and RF applications that require DAQ systems with higher precision.