This Page is about the progress of Building my Lima SDR. It is being build in several stages. The stages consist of building up, and after each stage there is a extensive measurement of all the currents and frequencies.
Software-defined radio (SDR) is a radio communication system where components that have been typically implemented in hardware (e.g.mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer.
The Lima SDR system consists of a personal computer equipped with a sound card preceded by a RF front end. Significant amounts of signal processing are handed over to the general-purpose processor, rather than being done in special-purpose hardware. This design produces a radio which can receive and transmit widely different radio protocols (sometimes referred to as waveforms) based solely on the software used.
Below you will find the progress of building the Lima SDR
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