This system is designed using RDA5807 stereo FM radio, radio module, combined with MCU, the radio receiver demodulation circuit design becomes simple, realize the FM reception and display frequency. We set the frequency we need through the matrix keyboard, and set the volume size displayed by the NOKIA 5110 LCD screen, and according to the received signal strength display, signal strength to determine the location of the radio. RDA5807 module with 65-108MHz global FM receiving band compatible with the effect, noise elimination, soft mute, bass enhancement, high sensitivity, low noise, strong anti-interference ability and other functions, so the use of this module is very easy to implement, and the system is reliable and stable.

基于RDA5807的收音机.pdf

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