The RDA3118E28 is a highly integrated FM receiver chip that is popular among DIY enthusiasts for creating compact and efficient FM radio projects. Designed specifically for consumer electronics, the RDA3118E28 offers excellent signal reception and minimal interference, making it a solid choice for those looking to build their own FM radio receiver. In this article, we’ll guide you through designing and constructing a DIY FM radio using the RDA3118E28, covering the necessary components, circuit design, assembly, and testing.