Receive and process global radio signals

Sean Conway provides instructions on software-defined radio (SDR) that turns your Raspberry Pi into a FM radio receiver.

This tutorial is designed to explore software-defined radio (SDR). We will cover some radio frequency (RF) theory in order to have a foundation for the article. The goal is to configure an SDR USB dongle, for this tutorial on a Pi, to receive a broadcasted FM radio signal. SDR is a radio frequency communications system built using software, rather than physical hardware circuits consisting of oscillators, filters, modulators/ demodulators and signal amplifiers, to transmit or receive a radio frequency broadcast signal. SDR devices receive analogue radio signals through an antenna, and then using an analogue-to-digital converter (ADC) they digitise the signal that can be further processed using digital signal processing. WHAT IS IN AN RF BROADCAST? An RF broadcast is a transmitted carrier signal travelling through the air. The signal…

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APC (Digital) - 1 Issue, April 2020

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