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A Full Digital FM receiver with Arduino and TEA5767 Module


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FM transmitters/receivers are among the top favorite circuits of any electronic enthusiast. In this article/video, I have introduced a complete digital FM receiver design that has equipped with an LCD screen and three push-buttons. It can search for the FM signals from 76MHz to 108MHz manually and automatically (Scan mode). The signal strength is also displayed as a bar graph on the LCD screen. The output sound is amplified by a 3W+3W Class-D stereo amplifier that handles high-quality and strong enough audio power. As a controller, I have used the cheap and popular Arduino-Nano board. So let’s get started!

 

 

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References

Article: https://www.pcbway.com/blog/technology/A_Digital_FM_Receiver_with_Arduino.html

[1]: TEA5767 Datasheet: https://www.sparkfun.com/datasheets/Wireless/General/TEA5767.pdf

[2]: TEA5767 Schematic Symbol, PCB Footprint, and 3D Model: https://componentsearchengine.com/part-view/TEA5767HN%2FV3%2C118/Nexperia

[3]: PAM8403 Datasheet: https://www.mouser.com/datasheet/2/115/PAM8403-247318.pdf

[4]: PAM8403 Schematic Symbol, PCB Footprint, and 3D Model: https://componentsearchengine.com/part-view/PAM8403DR/LITTELFUSE

[5]: TS2937 Datasheet: https://www.mouser.com/datasheet/2/395/TS2937_D13-522475.pdf

[6]: TS2937 Schematic Symbol, PCB Footprint, and 3D Model: https://componentsearchengine.com/part-view/TS2937CW-5.0%20RP/Taiwan%20Semiconductor

[7]: CAD Plugins: https://www.samacsys.com/library-loader-help

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