An inexpensive MP3-Player based 45-kHz band noise generator for engineering and scientific applications
Daniil D. Stupin, S. V. Koniakhin, Н. А. Верлов · Journal of Physics Conference Series · 2018
In this study we propose a home-made setup based on MP3 Player for producing high quality noise-like shape voltage with 45-kHz frequency band. The proposed generator's output signal is investigated both theoretically and experimentally.