Tuesday, April 15, 2025 Accessible FM Radio Case Study - Part 3 - Audio Tests

[Part 1] [Part 2] [ Code and Design Files ] After some promising results with the PCB loop antenna, in this post, I'm starting to look at the audio output. The intention for the final system is to design a single PCB incorporating the power supply, radio receiver, power amplifier and antenna. But before launching in to this, I want to do as much testing and developing as possible using the modules…